<?php
/* For licensing terms, see /license.txt */
/**
* Blog class
* Contains several functions dealing with displaying,
* editing,... of a blog
*
* @version 1.0
* @package chamilo.blogs
* @author Toon Keppens < toon @ vi-host . net >
* @author Julio Montoya - Cleaning code
*
*/
/**
* Class
* @package chamilo.blogs
*/
class Blog
{
/**
* Get the title of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return String Blog Title
*/
public static function get_blog_title($blog_id)
{
$course_id = api_get_course_int_id();
if (is_numeric($blog_id)) {
// init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "SELECT blog_name
FROM ".$tbl_blogs."
WHERE c_id = $course_id AND blog_id = ".intval($blog_id);
$result = Database::query($sql);
$blog = Database::fetch_array($result);
return stripslashes($blog['blog_name']);
}
}
/**
* Get the description of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return String Blog description
*/
public static function get_blog_subtitle($blog_id)
{
// init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$course_id = api_get_course_int_id();
$sql = "SELECT blog_subtitle FROM $tbl_blogs WHERE c_id = $course_id AND blog_id ='".intval($blog_id)."'";
$result = Database::query($sql);
$blog = Database::fetch_array($result);
return stripslashes($blog['blog_subtitle']);
}
/**
* Get the users of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Array Returns an array with [userid]=>[username]
*/
public static function get_blog_users($blog_id)
{
// Database table definitions
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$course_id = api_get_course_int_id();
// Get blog members
$sql = "SELECT user.user_id, user.firstname, user.lastname
FROM ".$tbl_blogs_rel_user." blogs_rel_user INNER JOIN ".$tbl_users." user ON blogs_rel_user.user_id = user.user_id
WHERE blogs_rel_user.c_id = $course_id AND
blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = Database::query($sql);
$blog_members = array();
while ($user = Database::fetch_array($result)) {
$blog_members[$user['user_id']] = api_get_person_name($user['firstname'], $user['lastname']);
}
return $blog_members;
}
/**
* Creates a new blog in the given course
* @author Toon Keppens
* @param Integer $course_id Id
* @param String $title
* @param Text $description
*/
public static function create_blog($title, $subtitle)
{
global $_user;
$course_id = api_get_course_int_id();
$current_date = date('Y-m-d H:i:s', time());
$session_id = api_get_session_id();
// Tabel definitions
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
//verified if exist blog
$sql = 'SELECT COUNT(*) as count FROM '.$tbl_blogs.' WHERE c_id = '.$course_id.' AND blog_name="'.Database::escape_string(
$title
).'" AND blog_subtitle="'.Database::escape_string($subtitle).'";';
$res = Database::query($sql);
$info_count = Database::result($res, 0, 0);
if ($info_count == 0) {
// Create the blog
$sql = "INSERT INTO $tbl_blogs (c_id, blog_name, blog_subtitle, date_creation, visibility, session_id )
VALUES ($course_id, '".Database::escape_string($title)."', '".Database::escape_string(
$subtitle
)."', '".$current_date."', '1', '$session_id');";
Database::query($sql);
$this_blog_id = Database::insert_id();
if ($this_blog_id > 0) {
//insert into item_property
api_item_property_update(
api_get_course_info(),
TOOL_BLOGS,
$this_blog_id,
'BlogAdded',
api_get_user_id()
);
}
// Make first post. :)
$sql = "INSERT INTO $tbl_blogs_posts (c_id, title, full_text, date_creation, blog_id, author_id )
VALUES ($course_id, '".get_lang("Welcome")."', '".get_lang(
'FirstPostText'
)."','".$current_date."', '".Database::escape_string((int)$this_blog_id)."', '".Database::escape_string(
(int)$_user['user_id']
)."');";
Database::query($sql);
// Put it on course homepage
$sql = "INSERT INTO $tbl_tool (c_id, name, link, image, visibility, admin, address, added_tool, session_id)
VALUES ($course_id, '".Database::escape_string(
$title
)."','blog/blog.php?blog_id=".(int)$this_blog_id."','blog.gif','1','0','pastillegris.gif',0,'$session_id')";
Database::query($sql);
// Subscribe the teacher to this blog
Blog::set_user_subscribed((int)$this_blog_id, (int)$_user['user_id']);
}
}
/**
* Update title and subtitle of a blog in the given course
* @author Toon Keppens
* @param Integer $course_id Id
* @param String $title
* @param Text $description
*/
public static function edit_blog($blog_id, $title, $subtitle)
{
global $_user;
// Table definitions
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$course_id = api_get_course_int_id();
// Update the blog
$sql = "UPDATE $tbl_blogs SET blog_name = '".Database::escape_string(
$title
)."', blog_subtitle = '".Database::escape_string($subtitle)."'
WHERE c_id = $course_id AND blog_id ='".Database::escape_string((int)$blog_id)."' LIMIT 1";
Database::query($sql);
$this_blog_id = Database::insert_id();
//update item_property (update)
api_item_property_update(
api_get_course_info(),
TOOL_BLOGS,
Database::escape_string($blog_id),
'BlogUpdated',
api_get_user_id()
);
// Update course homepage link
$sql = "UPDATE $tbl_tool SET name = '".Database::escape_string(
$title
)."' WHERE c_id = $course_id AND link = 'blog/blog.php?blog_id=".Database::escape_string(
(int)$blog_id
)."' LIMIT 1";
Database::query($sql);
}
/**
* Deletes a blog and it's posts from the course database
* @author Toon Keppens
* @param Integer $blog_id
*/
public static function delete_blog($blog_id)
{
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comment = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$tbl_blogs_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$course_id = api_get_course_int_id();
// Delete posts from DB and the attachments
delete_all_blog_attachment($blog_id);
//Delete comments
$sql = "DELETE FROM $tbl_blogs_comment WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."'";
Database::query($sql);
// Delete posts
$sql = "DELETE FROM $tbl_blogs_posts WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."'";
Database::query($sql);
// Delete tasks
$sql = "DELETE FROM $tbl_blogs_tasks WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."'";
Database::query($sql);
// Delete ratings
$sql = "DELETE FROM $tbl_blogs_rating WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."'";
Database::query($sql);
// Delete blog
$sql = "DELETE FROM $tbl_blogs WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."'";
Database::query($sql);
// Delete from course homepage
$sql = "DELETE FROM $tbl_tool WHERE c_id = $course_id AND link = 'blog/blog.php?blog_id=".(int)$blog_id."'";
Database::query($sql);
//update item_property (delete)
api_item_property_update(
api_get_course_info(),
TOOL_BLOGS,
Database::escape_string($blog_id),
'delete',
api_get_user_id()
);
}
/**
* Creates a new post in a given blog
* @author Toon Keppens
* @param String $title
* @param String $full_text
* @param Integer $blog_id
*/
public static function create_post($title, $full_text, $file_comment, $blog_id)
{
global $_user;
$_course = api_get_course_info();
$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$upload_ok = true;
$has_attachment = false;
$current_date = date('Y-m-d H:i:s', time());
$course_id = api_get_course_int_id();
if (!empty($_FILES['user_upload']['name'])) {
$upload_ok = FileManager::process_uploaded_file($_FILES['user_upload']);
$has_attachment = true;
}
if ($upload_ok) {
// Table Definitions
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
// Create the post
$sql = "INSERT INTO $tbl_blogs_posts (c_id, title, full_text, date_creation, blog_id, author_id )
VALUES ($course_id, '".Database::escape_string($title)."', '".Database::escape_string(
$full_text
)."','".$current_date."', '".(int)$blog_id."', '".(int)$_user['user_id']."');";
Database::query($sql);
$last_post_id = Database::insert_id();
if ($has_attachment) {
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
// Try to add an extension to the file if it hasn't one
$new_file_name = FileManager::add_ext_on_mime(
stripslashes($_FILES['user_upload']['name']),
$_FILES['user_upload']['type']
);
// user's file name
$file_name = $_FILES['user_upload']['name'];
if (!FileManager::filter_extension($new_file_name)) {
Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
} else {
$new_file_name = uniqid('');
$new_path = $updir.'/'.$new_file_name;
$result = @move_uploaded_file($_FILES['user_upload']['tmp_name'], $new_path);
$comment = Database::escape_string($file_comment);
// Storing the attachments if any
if ($result) {
$sql = 'INSERT INTO '.$blog_table_attachment.'(c_id, filename,comment, path, post_id,size, blog_id,comment_id) '.
"VALUES ($course_id, '".Database::escape_string($file_name)."', '".Database::escape_string(
$comment
)."', '".Database::escape_string($new_file_name)."' , '".$last_post_id."', '".intval(
$_FILES['user_upload']['size']
)."', '".$blog_id."', '0' )";
$result = Database::query($sql);
$message .= ' / '.get_lang('AttachmentUpload');
}
}
}
} else {
Display::display_error_message(get_lang('UplNoFileUploaded'));
}
}
/**
* Edits a post in a given blog
* @author Toon Keppens
* @param Integer $blog_id
* @param String $title
* @param String $full_text
* @param Integer $blog_id
*/
public static function edit_post($post_id, $title, $full_text, $blog_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$course_id = api_get_course_int_id();
// Create the post
$sql = "UPDATE $tbl_blogs_posts SET title = '".Database::escape_string(
$title
)."', full_text = '".Database::escape_string($full_text)."'
WHERE c_id = $course_id AND post_id ='".(int)$post_id."' AND blog_id ='".(int)$blog_id."' LIMIT 1 ;";
Database::query($sql);
}
/**
* Deletes an article and it's comments
* @author Toon Keppens
* @param Integer $blog_id
* @param Integer $post_id
*/
public static function delete_post($blog_id, $post_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
// Delete ratings on this comment
$sql = "DELETE FROM $tbl_blogs_rating WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND item_id = '".(int)$post_id."' AND rating_type = 'post'";
Database::query($sql);
// Delete the post
$sql = "DELETE FROM $tbl_blogs_posts WHERE c_id = $course_id AND post_id = '".(int)$post_id."'";
Database::query($sql);
// Delete the comments
$sql = "DELETE FROM $tbl_blogs_comments WHERE c_id = $course_id AND post_id = '".(int)$post_id."' AND blog_id = '".(int)$blog_id."'";
Database::query($sql);
// Delete posts and attachments
delete_all_blog_attachment($blog_id, $post_id);
}
/**
* Creates a comment on a post in a given blog
* @author Toon Keppens
* @param String $title
* @param String $full_text
* @param Integer $blog_id
* @param Integer $post_id
* @param Integer $parent_id
*/
public static function create_comment(
$title,
$full_text,
$file_comment,
$blog_id,
$post_id,
$parent_id,
$task_id = 'NULL'
) {
global $_user;
$_course = api_get_course_info();
global $blog_table_attachment;
$upload_ok = true;
$has_attachment = false;
$current_date = date('Y-m-d H:i:s', time());
$course_id = api_get_course_int_id();
if (!empty($_FILES['user_upload']['name'])) {
$upload_ok = FileManager::process_uploaded_file($_FILES['user_upload']);
$has_attachment = true;
}
if ($upload_ok) {
// Table Definition
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
// Create the comment
$sql = "INSERT INTO $tbl_blogs_comments (c_id, title, comment, author_id, date_creation, blog_id, post_id, parent_comment_id, task_id )
VALUES ($course_id, '".Database::escape_string($title)."', '".Database::escape_string(
$full_text
)."', '".(int)$_user['user_id']."','".$current_date."', '".(int)$blog_id."', '".(int)$post_id."', '".(int)$parent_id."', '".(int)$task_id."')";
Database::query($sql);
// Empty post values, or they are shown on the page again
$_POST['comment_title'] = "";
$_POST['comment_text'] = "";
$last_id = Database::insert_id();
if ($has_attachment) {
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
// Try to add an extension to the file if it hasn't one
$new_file_name = FileManager::add_ext_on_mime(
stripslashes($_FILES['user_upload']['name']),
$_FILES['user_upload']['type']
);
// user's file name
$file_name = $_FILES['user_upload']['name'];
if (!FileManager::filter_extension($new_file_name)) {
Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
} else {
$new_file_name = uniqid('');
$new_path = $updir.'/'.$new_file_name;
$result = @move_uploaded_file($_FILES['user_upload']['tmp_name'], $new_path);
$comment = Database::escape_string($file_comment);
// Storing the attachments if any
if ($result) {
$sql = 'INSERT INTO '.$blog_table_attachment.'(c_id, filename,comment, path, post_id,size,blog_id,comment_id) '.
"VALUES ($course_id, '".Database::escape_string($file_name)."', '".Database::escape_string(
$comment
)."', '".Database::escape_string(
$new_file_name
)."' , '".$post_id."', '".$_FILES['user_upload']['size']."', '".$blog_id."', '".$last_id."' )";
$result = Database::query($sql);
$message .= ' / '.get_lang('AttachmentUpload');
}
}
}
}
}
/**
* Deletes a comment from a blogpost
* @author Toon Keppens
* @param Integer $blog_id
* @param Integer $comment_id
*/
public static function delete_comment($blog_id, $post_id, $comment_id)
{
// Init
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$blog_id = Database::escape_string($blog_id);
$post_id = Database::escape_string($post_id);
$comment_id = Database::escape_string($comment_id);
$course_id = api_get_course_int_id();
delete_all_blog_attachment($blog_id, $post_id, $comment_id);
// Delete ratings on this comment
$sql = "DELETE FROM $tbl_blogs_rating WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND item_id = '".(int)$comment_id."' AND rating_type = 'comment'";
Database::query($sql);
// select comments that have the selected comment as their parent
$sql = "SELECT comment_id FROM $tbl_blogs_comments WHERE c_id = $course_id AND parent_comment_id = '".(int)$comment_id."'";
$result = Database::query($sql);
// Delete them recursively
while ($comment = Database::fetch_array($result)) {
Blog::delete_comment($blog_id, $post_id, $comment['comment_id']);
}
// Finally, delete the selected comment to
$sql = "DELETE FROM $tbl_blogs_comments WHERE c_id = $course_id AND comment_id = '".(int)$comment_id."'";
Database::query($sql);
}
/**
* Creates a new task in a blog
* @author Toon Keppens
* @param Integer $blog_id
* @param String $title
* @param String $description
* @param String $color
*/
public static function create_task(
$blog_id,
$title,
$description,
$articleDelete,
$articleEdit,
$commentsDelete,
$color
) {
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
$course_id = api_get_course_int_id();
// Create the task
$sql = "INSERT INTO $tbl_blogs_tasks (c_id, blog_id, title, description, color, system_task )
VALUES ($course_id , '".(int)$blog_id."', '".Database::escape_string(
$title
)."', '".Database::escape_string($description)."', '".Database::escape_string($color)."', '0');";
Database::query($sql);
$task_id = Database::insert_id();
$tool = 'BLOG_'.$blog_id;
if ($articleDelete == 'on') {
$sql = " INSERT INTO ".$tbl_tasks_permissions." ( c_id, task_id, tool, action) VALUES (
'".(int)$course_id."',
'".(int)$task_id."',
'".Database::escape_string($tool)."',
'article_delete'
)";
Database::query($sql);
}
if ($articleEdit == 'on') {
$sql = "
INSERT INTO ".$tbl_tasks_permissions." (c_id, task_id, tool, action ) VALUES (
'".(int)$course_id."',
'".(int)$task_id."',
'".Database::escape_string($tool)."',
'article_edit'
)";
Database::query($sql);
}
if ($commentsDelete == 'on') {
$sql = "
INSERT INTO ".$tbl_tasks_permissions." (c_id, task_id, tool, action ) VALUES (
'".(int)$course_id."',
'".(int)$task_id."',
'".Database::escape_string($tool)."',
'article_comments_delete'
)";
Database::query($sql);
}
}
/**
* Edit a task in a blog
* @author Toon Keppens
* @param Integer $task_id
* @param String $title
* @param String $description
* @param String $color
*/
public static function edit_task(
$blog_id,
$task_id,
$title,
$description,
$articleDelete,
$articleEdit,
$commentsDelete,
$color
) {
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
$course_id = api_get_course_int_id();
// Create the task
$sql = "UPDATE $tbl_blogs_tasks SET
title = '".Database::escape_string($title)."',
description = '".Database::escape_string($description)."',
color = '".Database::escape_string($color)."'
WHERE c_id = $course_id AND task_id ='".(int)$task_id."' LIMIT 1";
Database::query($sql);
$tool = 'BLOG_'.$blog_id;
$sql = "DELETE FROM ".$tbl_tasks_permissions." WHERE c_id = $course_id AND task_id = '".(int)$task_id."'";
Database::query($sql);
if ($articleDelete == 'on') {
$sql = "INSERT INTO ".$tbl_tasks_permissions." ( c_id, task_id, tool, action) VALUES (
'".(int)$course_id."',
'".(int)$task_id."',
'".Database::escape_string($tool)."',
'article_delete'
)";
Database::query($sql);
}
if ($articleEdit == 'on') {
$sql = "INSERT INTO ".$tbl_tasks_permissions." (c_id, task_id, tool, action) VALUES (
'".(int)$course_id."',
'".(int)$task_id."',
'".Database::escape_string($tool)."',
'article_edit'
)";
Database::query($sql);
}
if ($commentsDelete == 'on') {
$sql = " INSERT INTO ".$tbl_tasks_permissions." (c_id, task_id, tool, action) VALUES (
'".(int)$course_id."',
'".(int)$task_id."',
'".Database::escape_string($tool)."',
'article_comments_delete'
)";
Database::query($sql);
}
}
/**
* Deletes a task from a blog
* @param Integer $blog_id
* @param Integer $task_id
*/
public static function delete_task($blog_id, $task_id)
{
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$course_id = api_get_course_int_id();
// Delete posts
$sql = "DELETE FROM $tbl_blogs_tasks WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND task_id = '".(int)$task_id."'";
Database::query($sql);
}
/**
* Deletes an assigned task from a blog
* @param Integer $blog_id
* @param Integer $assignment_id
*/
public static function delete_assigned_task($blog_id, $task_id, $user_id)
{
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
// Delete posts
$sql = "DELETE FROM $tbl_blogs_tasks_rel_user WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND task_id = '".(int)$task_id."' AND user_id = '".(int)$user_id."'";
Database::query($sql);
}
/**
* Get personal task list
* @author Toon Keppens
* @return Returns an unsorted list (< ul > < / ul > ) with the users' tasks
*/
public static function get_personal_task_list()
{
global $_user;
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$course_id = api_get_course_int_id();
if ($_user['user_id']) {
$sql = "SELECT task_rel_user.*, task.title, blog.blog_name FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_blogs blog ON task_rel_user.blog_id = blog.blog_id
AND blog.blog_id = ".intval($_GET['blog_id'])."
WHERE
task.c_id = $course_id AND
blog.c_id = $course_id AND
task_rel_user.c_id = $course_id AND
task_rel_user.user_id = ".(int)$_user['user_id']."
ORDER BY target_date ASC";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
echo '< ul > ';
while ($mytask = Database::fetch_array($result)) {
echo '< li > < a href = "blog.php?action=execute_task&blog_id='.$mytask['blog_id'].'&task_id='.stripslashes(
$mytask['task_id']
).'" title="[Blog: '.stripslashes($mytask['blog_name']).'] '.get_lang(
'ExecuteThisTask'
).'">'.stripslashes($mytask['title']).'< / a > < / li > ';
}
echo '< ul > ';
} else {
echo get_lang('NoTasks');
}
} else {
echo get_lang('NoTasks');
}
}
/**
* Changes the visibility of a blog
* @author Toon Keppens
* @param Integer $blog_id
*/
public static function change_blog_visibility($blog_id)
{
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$course_id = api_get_course_int_id();
// Get blog properties
$sql = "SELECT blog_name, visibility FROM $tbl_blogs WHERE c_id = $course_id AND blog_id='".(int)$blog_id."'";
$result = Database::query($sql);
$blog = Database::fetch_array($result);
$visibility = $blog['visibility'];
$title = $blog['blog_name'];
if ($visibility == 1) {
// Change visibility state, remove from course home.
$sql = "UPDATE $tbl_blogs SET visibility = '0' WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."' LIMIT 1";
$result = Database::query($sql);
$sql = "DELETE FROM $tbl_tool WHERE c_id = $course_id AND name = '".Database::escape_string(
$title
)."' LIMIT 1";
$result = Database::query($sql);
} else {
// Change visibility state, add to course home.
$sql = "UPDATE $tbl_blogs SET visibility = '1' WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."' LIMIT 1";
$result = Database::query($sql);
$sql = "INSERT INTO $tbl_tool (c_id, name, link, image, visibility, admin, address, added_tool, target )
VALUES ($course_id, '".Database::escape_string(
$title
)."', 'blog/blog.php?blog_id=".(int)$blog_id."', 'blog.gif', '1', '0', 'pastillegris.gif', '0', '_self')";
$result = Database::query($sql);
}
}
/**
* Shows the posts of a blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_blog_posts($blog_id, $filter = '1=1', $max_number_of_posts = 20)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
global $dateFormatLong;
$course_id = api_get_course_int_id();
// Get posts and authors
$sql = "SELECT post.*, user.lastname, user.firstname, user.username FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."' AND
post.c_id = $course_id AND
$filter
ORDER BY post_id DESC LIMIT 0,".(int)$max_number_of_posts;
$result = Database::query($sql);
// Display
if (Database::num_rows($result) > 0) {
$limit = 200;
while ($blog_post = Database::fetch_array($result)) {
// Get number of comments
$sql = "SELECT COUNT(1) as number_of_comments FROM $tbl_blogs_comments WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND post_id = '".(int)$blog_post['post_id']."'";
$tmp = Database::query($sql);
$blog_post_comments = Database::fetch_array($tmp);
// Prepare data
$blog_post_id = $blog_post['post_id'];
$blog_post_text = Text::make_clickable(stripslashes($blog_post['full_text']));
$blog_post_date = api_convert_and_format_date(
$blog_post['date_creation'],
null,
date_default_timezone_get()
);
// Create an introduction text (but keep FULL sentences)
$introduction_text = "";
$words = 0;
$blog_post_text_cut = Text::cut($blog_post_text, $limit);
$words = strlen($blog_post_text);
if ($words >= $limit) {
$readMoreLink = ' < div class = "link" onclick = "document.getElementById(\'blogpost_text_'.$blog_post_id.'\').style.display=\'block\'; document.getElementById(\'blogpost_introduction_'.$blog_post_id.'\').style.display=\'none\'" > '.get_lang(
'ReadMore'
).'< / div > ';
$introduction_text = $blog_post_text_cut;
} else {
$introduction_text = $blog_post_text;
$readMoreLink = '';
}
$introduction_text = stripslashes($introduction_text);
echo '< div class = "blogpost" > ';
echo '< span class = "blogpost_title" > < a href = "blog.php?action=view_post&blog_id='.$blog_id.'&post_id='.$blog_post['post_id'].'#add_comment" title = "'.get_lang(
'ReadPost'
).'" >'.stripslashes($blog_post['title']).'< / a > < / span > ';
echo '< span class = "blogpost_date" > < a href = "blog.php?action=view_post&blog_id='.$blog_id.'&post_id='.$blog_post['post_id'].'#add_comment" title = "'.get_lang(
'ReadPost'
).'" >'.$blog_post_date.'< / a > < / span > ';
echo '< div class = "blogpost_introduction" id = "blogpost_introduction_'.$blog_post_id.'" > '.$introduction_text.$readMoreLink.'< / div > ';
echo '< div class = "blogpost_text" id = "blogpost_text_'.$blog_post_id.'" style = "display: none" > '.$blog_post_text.'< / div > ';
$file_name_array = get_blog_attachment($blog_id, $blog_post_id, 0);
if (!empty($file_name_array)) {
echo '< br / > < br / > ';
echo Display::return_icon('attachment.gif', get_lang('Attachment'));
echo '< a href = "download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' < / a > < br / > ';
echo '< / span > ';
}
$username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
echo '< span class = "blogpost_info" > '.get_lang('Author').': '.Display::tag(
'span',
api_get_person_name($blog_post['firstname'], $blog_post['lastname']),
array('title' => $username)
).' - < a href = "blog.php?action=view_post&blog_id='.$blog_id.'&post_id='.$blog_post['post_id'].'#add_comment" title = "'.get_lang(
'ReadPost'
).'" >'.get_lang('Comments').': '.$blog_post_comments['number_of_comments'].'< / a > < / span > '."\n";
echo '< / div > ';
}
} else {
if ($filter == '1=1') {
echo get_lang('NoArticles');
} else {
echo get_lang('NoArticleMatches');
}
}
}
/**
* Display the search results
*
* @param Integer $blog_id
* @param String $query_string
*/
public static function display_search_results($blog_id, $query_string)
{
// Init
$query_string = Database::escape_string($query_string);
$query_string_parts = explode(' ', $query_string);
$query_string = array();
foreach ($query_string_parts as $query_part) {
$query_string[] = " full_text LIKE '%".$query_part."%' OR title LIKE '%".$query_part."%' ";
}
$query_string = '('.implode('OR', $query_string).')';
// Display the posts
echo '< span class = "blogpost_title" > '.get_lang('SearchResults').'< / span > ';
Blog::display_blog_posts($blog_id, $query_string);
}
/**
* Display posts from a certain date
*
* @param Integer $blog_id
* @param String $query_string
*/
public static function display_day_results($blog_id, $query_string)
{
// Init
$date_output = $query_string;
$date = explode('-', $query_string);
$query_string = ' DAYOFMONTH(date_creation) ='.intval($date[2]).' AND MONTH(date_creation) ='.intval(
$date[1]
).' AND YEAR(date_creation) ='.intval($date[0]);
// Put date in correct output format
$date_output = api_format_date($date_output, DATE_FORMAT_LONG);
// Display the posts
echo '< span class = "blogpost_title" > '.get_lang('PostsOf').': '.$date_output.'< / span > ';
Blog::display_blog_posts($blog_id, $query_string);
}
/**
* Displays a post and his comments
*
* @param Integer $blog_id
* @param Integer $post_id
*/
public static function display_post($blog_id, $post_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
global $charset, $dateFormatLong;
$course_id = api_get_course_int_id();
// Get posts and author
$sql = "SELECT post.*, user.lastname, user.firstname, user.username FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE
post.c_id = $course_id AND
post.blog_id = '".(int)$blog_id."' AND
post.post_id = '".(int)$post_id."'
ORDER BY post_id DESC";
$result = Database::query($sql);
$blog_post = Database::fetch_array($result);
// Get number of comments
$sql = "SELECT COUNT(1) as number_of_comments FROM $tbl_blogs_comments WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND post_id = '".(int)$post_id."'";
$result = Database::query($sql);
$blog_post_comments = Database::fetch_array($result);
// Prepare data
$blog_post_text = Text::make_clickable(stripslashes($blog_post['full_text']));
$blog_post_date = api_convert_and_format_date($blog_post['date_creation'], null, date_default_timezone_get());
$blog_post_actions = "";
$task_id = (isset($_GET['task_id']) & & is_numeric($_GET['task_id'])) ? intval($_GET['task_id']) : 0;
if (api_is_allowed('BLOG_'.$blog_id, 'article_edit', $task_id)) {
$blog_post_actions .= '< a href = "blog.php?action=edit_post&blog_id='.$blog_id.'&post_id='.$post_id.'&article_id='.$blog_post['post_id'].'&task_id='.$task_id.'" title = "'.get_lang(
'EditThisPost'
).'">< img src = "../img/edit.gif" / > < / a > ';
}
if (api_is_allowed('BLOG_'.$blog_id, 'article_delete', $task_id)) {
$blog_post_actions .= '< a href = "blog.php?action=view_post&blog_id='.$blog_id.'&post_id='.$post_id.'&do=delete_article&article_id='.$blog_post['post_id'].'&task_id='.$task_id.'" title = "'.get_lang(
'DeleteThisArticle'
).'" onclick="javascript:if(!confirm(\''.addslashes(
api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES, $charset)
).'\')) return false;">< img src = "../img/delete.gif" border = "0" / > < / a > ';
}
if (api_is_allowed('BLOG_'.$blog_id, 'article_rate')) {
$rating_select = Blog::display_rating_form('post', $blog_id, $post_id);
}
$blog_post_text = stripslashes($blog_post_text);
// Display post
echo '< div class = "blogpost" > ';
echo '< span class = "blogpost_title" > < a href = "blog.php?action=view_post&blog_id='.$blog_id.'&post_id='.$blog_post['post_id'].'" title = "'.get_lang(
'ReadPost'
).'" >'.stripslashes($blog_post['title']).'< / a > < / span > ';
echo '< span class = "blogpost_date" > '.$blog_post_date.'< / span > ';
echo '< span class = "blogpost_text" > '.$blog_post_text.'< / span > < br / > ';
$file_name_array = get_blog_attachment($blog_id, $post_id);
if (!empty($file_name_array)) {
echo ' < br / > ';
echo Display::return_icon('attachment.gif', get_lang('Attachment'));
echo '< a href = "download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' < / a > ';
echo '< / span > ';
echo '< span class = "attachment_comment" > ';
echo $file_name_array['comment'];
echo '< / span > ';
echo '< br / > ';
}
$username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
echo '< span class = "blogpost_info" > '.get_lang('Author').': '.Display::tag(
'span',
api_get_person_name($blog_post['firstname'], $blog_post['lastname']),
array('title' => $username)
).' - '.get_lang('Comments').': '.$blog_post_comments['number_of_comments'].' - '.get_lang(
'Rating'
).': '.Blog::display_rating('post', $blog_id, $post_id).$rating_select.'< / span > ';
echo '< span class = "blogpost_actions" > '.$blog_post_actions.'< / span > ';
echo '< / div > ';
// Display comments if there are any
if ($blog_post_comments['number_of_comments'] > 0) {
echo '< div class = "comments" > ';
echo '< span class = "blogpost_title" > '.get_lang('Comments').'< / span > < br / > ';
Blog::get_threaded_comments(0, 0, $blog_id, $post_id, $task_id);
echo '< / div > ';
}
// Display comment form
if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_add')) {
Blog::display_new_comment_form($blog_id, $post_id, $blog_post['title']);
}
}
/**
* Adds rating to a certain post or comment
* @author Toon Keppens
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
* @param Integer $rating
*
* @return Boolean success
*/
public static function add_rating($type, $blog_id, $item_id, $rating)
{
global $_user;
// Init
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
// Check if the user has already rated this post/comment
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE c_id = $course_id AND
blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$item_id."'
AND rating_type = '".Database::escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = Database::query($sql);
if (Database::num_rows($result) == 0) // Add rating
{
$sql = "INSERT INTO $tbl_blogs_rating (c_id, blog_id, rating_type, item_id, user_id, rating )
VALUES ($course_id, '".(int)$blog_id."', '".Database::escape_string(
$type
)."', '".(int)$item_id."', '".(int)$_user['user_id']."', '".Database::escape_string($rating)."')";
$result = Database::query($sql);
return true;
} else // Return
{
return false;
}
}
/**
* Shows the rating of user
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
*
* @return array()
*/
public static function display_rating($type, $blog_id, $item_id)
{
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
// Calculate rating
$sql = "SELECT AVG(rating) as rating FROM $tbl_blogs_rating WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND item_id = '".(int)$item_id."' AND rating_type = '".Database::escape_string(
$type
)."' ";
$result = Database::query($sql);
$result = Database::fetch_array($result);
return round($result['rating'], 2);
}
/**
* Shows the rating form if not already rated by that user
* @author Toon Keppens
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
*
* @return String
*/
public static function display_rating_form($type, $blog_id, $post_id, $comment_id = null)
{
global $_user;
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
if ($type == 'post') {
// Check if the user has already rated this post
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE c_id = $course_id AND
blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$post_id."'
AND rating_type = '".Database::escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = Database::query($sql);
if (Database::num_rows($result) == 0) // Add rating
{
return ' - '.get_lang(
'RateThis'
).': < form method = "get" action = "blog.php" style = "display: inline" id = "frm_rating_'.$type.'_'.$post_id.'" name = "frm_rating_'.$type.'_'.$post_id.'" > < select name = "rating" onchange = "document.forms[\'frm_rating_'.$type.'_'.$post_id.'\'].submit()" > < option value = "" > -< / option > < option value = "1" > 1< / option > < option value = "2" > 2< / option > < option value = "3" > 3< / option > < option value = "4" > 4< / option > < option value = "5" > 5< / option > < option value = "6" > 6< / option > < option value = "7" > 7< / option > < option value = "8" > 8< / option > < option value = "9" > 9< / option > < option value = "10" > 10< / option > < / select > < input type = "hidden" name = "action" value = "view_post" / > < input type = "hidden" name = "type" value = "'.$type.'" / > < input type = "hidden" name = "do" value = "rate" / > < input type = "hidden" name = "blog_id" value = "'.$blog_id.'" / > < input type = "hidden" name = "post_id" value = "'.$post_id.'" / > < / form > ';
} else // Return
{
return '';
}
}
if ($type = 'comment') {
// Check if the user has already rated this comment
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$comment_id."'
AND rating_type = '".Database::escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = Database::query($sql);
if (Database::num_rows($result) == 0) // Add rating
{
return ' - '.get_lang(
'RateThis'
).': < form method = "get" action = "blog.php" style = "display: inline" id = "frm_rating_'.$type.'_'.$comment_id.'" name = "frm_rating_'.$type.'_'.$comment_id.'" > < select name = "rating" onchange = "document.forms[\'frm_rating_'.$type.'_'.$comment_id.'\'].submit()" > < option value = "" > -< / option > < option value = "1" > 1< / option > < option value = "2" > 2< / option > < option value = "3" > 3< / option > < option value = "4" > 4< / option > < option value = "5" > 5< / option > < option value = "6" > 6< / option > < option value = "7" > 7< / option > < option value = "8" > 8< / option > < option value = "9" > 9< / option > < option value = "10" > 10< / option > < / select > < input type = "hidden" name = "action" value = "view_post" / > < input type = "hidden" name = "type" value = "'.$type.'" / > < input type = "hidden" name = "do" value = "rate" / > < input type = "hidden" name = "blog_id" value = "'.$blog_id.'" / > < input type = "hidden" name = "post_id" value = "'.$post_id.'" / > < input type = "hidden" name = "comment_id" value = "'.$comment_id.'" / > < / form > ';
} else // Return
{
return '';
}
}
}
/**
* This functions gets all replys to a post, threaded.
*
* @param Integer $current
* @param Integer $current_level
* @param Integer $blog_id
* @param Integer $post_id
*/
public static function get_threaded_comments($current = 0, $current_level = 0, $blog_id, $post_id, $task_id = 0)
{
// Init
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
global $charset, $dateFormatLong;
$course_id = api_get_course_int_id();
// Select top level comments
$next_level = $current_level + 1;
$sql = "SELECT comments.*, user.lastname, user.firstname, user.username, task.color
FROM $tbl_blogs_comments comments
INNER JOIN $tbl_users user ON comments.author_id = user.user_id
LEFT JOIN $tbl_blogs_tasks task ON comments.task_id = task.task_id AND task.c_id = $course_id
WHERE comments.c_id = $course_id AND
parent_comment_id = $current AND
comments.blog_id = '".(int)$blog_id."' AND
comments.post_id = '".(int)$post_id."'";
$result = Database::query($sql);
while ($comment = Database::fetch_array($result)) {
// Select the children recursivly
$tmp = "SELECT comments.*, user.lastname, user.firstname, user.username FROM $tbl_blogs_comments comments
INNER JOIN $tbl_users user ON comments.author_id = user.user_id
WHERE
comments.c_id = $course_id AND
comment_id = $current
AND blog_id = '".(int)$blog_id."'
AND post_id = '".(int)$post_id."'";
$tmp = Database::query($tmp);
$tmp = Database::fetch_array($tmp);
$parent_cat = $tmp['parent_comment_id'];
$border_color = '';
// Prepare data
$comment_text = Text::make_clickable(stripslashes($comment['comment']));
$blog_comment_date = api_convert_and_format_date(
$comment['date_creation'],
null,
date_default_timezone_get()
);
$blog_comment_actions = "";
if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_delete', $task_id)) {
$blog_comment_actions .= '< a href = "blog.php?action=view_post&blog_id='.$blog_id.'&post_id='.$post_id.'&do=delete_comment&comment_id='.$comment['comment_id'].'&task_id='.$task_id.'" title = "'.get_lang(
'DeleteThisComment'
).'" onclick="javascript:if(!confirm(\''.addslashes(
api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES, $charset)
).'\')) return false;">< img src = "../img/delete.gif" border = "0" / > < / a > ';
}
if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_rate')) {
$rating_select = Blog::display_rating_form('comment', $blog_id, $post_id, $comment['comment_id']);
}
if (!is_null($comment['task_id'])) {
$border_color = ' border-left: 3px solid #'.$comment['color'];
}
$comment_text = stripslashes($comment_text);
// Output...
$margin = $current_level * 30;
echo '< div class = "blogpost_comment" style = "margin-left: '.$margin.'px;'.$border_color.'" > ';
echo '< span class = "blogpost_comment_title" > < a href = "#add_comment" onclick = "document.getElementById(\'comment_parent_id\').value=\''.$comment['comment_id'].'\'; document . getElementById ( \ ' comment_title \ ' ) . value = \'Re: ' . addslashes (
$comment['title']
).'\'" title="'.get_lang('ReplyToThisComment').'" >'.stripslashes($comment['title']).'< / a > < / span > ';
echo '< span class = "blogpost_comment_date" > '.$blog_comment_date.'< / span > ';
echo '< span class = "blogpost_text" > '.$comment_text.'< / span > ';
$file_name_array = get_blog_attachment($blog_id, $post_id, $comment['comment_id']);
if (!empty($file_name_array)) {
echo '< br / > < br / > ';
echo Display::return_icon('attachment.gif', get_lang('Attachment'));
echo '< a href = "download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' < / a > ';
echo '< span class = "attachment_comment" > ';
echo $file_name_array['comment'];
echo '< / span > < br / > ';
}
$username = api_htmlentities(sprintf(get_lang('LoginX'), $comment['username']), ENT_QUOTES);
echo '< span class = "blogpost_comment_info" > '.get_lang('Author').': '.Display::tag(
'span',
api_get_person_name($comment['firstname'], $comment['lastname']),
array('title' => $username)
).' - '.get_lang('Rating').': '.Blog::display_rating(
'comment',
$blog_id,
$comment['comment_id']
).$rating_select.'< / span > ';
echo '< span class = "blogpost_actions" > '.$blog_comment_actions.'< / span > ';
echo '< / div > ';
// Go further down the tree.
Blog::get_threaded_comments($comment['comment_id'], $next_level, $blog_id, $post_id);
}
}
/**
* Displays the form to create a new post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_form_new_post($blog_id)
{
if (api_is_allowed('BLOG_'.$blog_id, 'article_add')) {
echo '< script type = "text/javascript" >
function FCKeditor_OnComplete( editorInstance )
{
editorInstance.Events.AttachEvent( \'OnSelectionChange\', check_for_title ) ;
}
function check_for_title()
{
// This functions shows that you can interact directly with the editor area
// DOM. In this way you have the freedom to do anything you want with it.
// Get the editor instance that we want to interact with.
var oEditor = FCKeditorAPI.GetInstance(\'post_full_text\') ;
// Get the Editor Area DOM (Document object).
var oDOM = oEditor.EditorDocument ;
var iLength ;
var contentText ;
var contentTextArray;
var bestandsnaamNieuw = "";
var bestandsnaamOud = "";
// The are two diffent ways to get the text (without HTML markups).
// It is browser specific.
if( document.all ) // If Internet Explorer.
{
contentText = oDOM.body.innerText ;
}
else // If Gecko.
{
var r = oDOM.createRange() ;
r.selectNodeContents( oDOM.body ) ;
contentText = r.toString() ;
}
// Compose title if there is none
contentTextArray = contentText.split(\' \') ;
var x=0;
for(x=0; (x< 5 & & x < contentTextArray . length ) ; x + + )
{
if(x < 4 )
{
bestandsnaamNieuw += contentTextArray[x] + \' \';
}
else
{
bestandsnaamNieuw += contentTextArray[x] + \'...\';
}
}
if(document.getElementById(\'post_title_edited\').value == "false")
{
document.getElementById(\'post_title\').value = bestandsnaamNieuw;
}
}
function trim(s) {
while(s.substring(0,1) == \' \') {
s = s.substring(1,s.length);
}
while(s.substring(s.length-1,s.length) == \' \') {
s = s.substring(0,s.length-1);
}
return s;
}
function check_if_still_empty()
{
if(trim(document.getElementById(\'post_title\').value) != "")
{
document.getElementById(\'post_title_edited\').value = "true";
}
}
< / script > ';
echo '< form name = "add_post" enctype = "multipart/form-data" method = "post" action = "blog.php?action=new_post&blog_id='.$blog_id.'" > ';
echo '< input type = "hidden" name = "post_title_edited" id = "post_title_edited" value = "false" / > ';
// form title
echo '< legend > '.get_lang('NewPost').'< / legend > ';
// article title
echo '< div > < span class = "form_required" > *< / span > '.get_lang(
'Title'
).': < input name = "post_title" id = "post_title" type = "text" size = "60" onblur = "check_if_still_empty()" / > < / div > < br / > ';
// article text
$oFCKeditor = new FCKeditor('post_full_text');
$oFCKeditor->Width = '100%';
$oFCKeditor->Height = '200';
if (!api_is_allowed_to_edit()) {
$oFCKeditor->ToolbarSet = 'ProjectStudent';
} else {
$oFCKeditor->ToolbarSet = 'Project';
}
$oFCKeditor->Value = isset($_POST['post_full_text']) ? stripslashes($_POST['post_full_text']) : '';
echo '< div class = "control-group" > ';
$oFCKeditor->Create();
echo '< / div > ';
// attachment
echo '< div class = "control-group" >
< label class = "control-label" >
'.get_lang('AddAnAttachment').'
< / label >
< div class = "controls" >
< input type = "file" name = "user_upload" / >
< / div >
< / div > ';
// comment
echo '< div class = "control-group" >
< label class = "control-label" >
'.get_lang('FileComment').'
< / label >
< div class = "controls" >
< textarea name = "post_file_comment" cols = "34" / > < / textarea >
< / div >
< / div > ';
// submit
echo '< div class = "control-group" >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "new_post_submit" value = "true" / >
< button class = "save" type = "submit" name = "Submit" > '.get_lang('Save').'< / button >
< / div >
< / div > ';
echo '< / form > ';
} else {
api_not_allowed();
}
}
/**
* Displays the form to edit a post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_form_edit_post($blog_id, $post_id)
{
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$course_id = api_get_course_int_id();
// Get posts and author
$sql = "SELECT post.*, user.lastname, user.firstname FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE
post.c_id = $course_id AND
post.blog_id = '".(int)$blog_id."'
AND post.post_id = '".(int)$post_id."'
ORDER BY post_id DESC";
$result = Database::query($sql);
$blog_post = Database::fetch_array($result);
// Prepare data
$blog_post_text = stripslashes($blog_post['full_text']);
echo '< form name = "edit_post" method = "post" action = "blog.php?action=edit_post&post_id='.Security::remove_XSS(
$_GET['post_id']
).'& blog_id='.Security::remove_XSS($blog_id).'& article_id='.Security::remove_XSS(
$_GET['article_id']
).'&task_id='.Security::remove_XSS($_GET['task_id']).'">';
// form title
echo '< legend > '.get_lang('EditPost').'< / legend > ';
// article title
echo '< div > < span class = "form_required" > *< / span > '.get_lang(
'Title'
).': < input name = "post_title" id = "post_title" type = "text" size = "60" value = "'.stripslashes(
$blog_post['title']
).'" />< br / > < / div > ';
// article text
$oFCKeditor = new FCKeditor('post_full_text');
$oFCKeditor->Width = '100%';
$oFCKeditor->Height = '200';
if (!api_is_allowed_to_edit()) {
$oFCKeditor->ToolbarSet = 'ProjectStudent';
} else {
$oFCKeditor->ToolbarSet = 'Project';
}
$oFCKeditor->Value = isset($_POST['post_full_text']) ? stripslashes($_POST['post_full_text']) : $blog_post_text;
echo '< div class = "controls" > ';
echo $oFCKeditor->Create();
echo '< / div > ';
// submit
echo ' < div class = "control-group" >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "edit_post_submit" value = "true" / >
< input type = "hidden" name = "post_id" value = "'.(int)$_GET['post_id'].'" / >
< button class = "save" type = "submit" name = "Submit" > '.get_lang('Save').'< / button >
< / div >
< / div > ';
echo '< / form > ';
}
/**
* Displays a list of tasks in this blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_task_list($blog_id)
{
global $charset;
$course_id = api_get_course_int_id();
if (api_is_allowed('BLOG_'.$blog_id, 'article_add')) {
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$counter = 0;
global $color2;
echo '< div class = "actions" > ';
echo '< a href = "'.api_get_self(
).'?action=manage_tasks& blog_id='.$blog_id.'& do=add">< img src = "../img/blog_newtasks.gif" border = "0" align = "middle" alt = "'.get_lang(
'AddTasks'
).'" />'.get_lang('AddTasks').'< / a > ';
echo '< a href = "'.api_get_self(
).'?action=manage_tasks& blog_id='.$blog_id.'& do=assign">< img src = "../img/blog_task.gif" border = "0" align = "middle" alt = "'.get_lang(
'AssignTasks'
).'" />'.get_lang('AssignTasks').'< / a > ';
?>
< a href = " <?php echo api_get_self (); ?> ?action=manage_rights&blog_id= <?php echo $blog_id ?> "
title="<?php echo get_lang ( 'ManageRights' ) ?> "><?php echo Display :: return_icon (
'blog_admin_users.png',
get_lang('RightsManager'),
'',
ICON_SIZE_SMALL
).get_lang('RightsManager') ?>< / a >
<?php
echo '< / div > ';
echo '< span class = "blogpost_title" > '.get_lang('TaskList').'< / span > < br / > ';
echo "< table class = \"data_table\" > ";
echo "< tr bgcolor = \"$color2\" align = \"center\" valign = \"top\" > ",
"< th width = '240' > < b > ", get_lang('Title'), "< / b > < / th > \n",
"< th > < b > ", get_lang('Description'), "< / b > < / th > \n",
"< th > < b > ", get_lang('Color'), "< / b > < / th > \n",
"< th width = '50' > < b > ", get_lang('Modify'), "< / b > < / th > \n",
"< / tr > \n";
$sql = " SELECT
blog_id,
task_id,
blog_id,
title,
description,
color,
system_task
FROM ".$tbl_blogs_tasks."
WHERE c_id = $course_id AND blog_id = ".(int)$blog_id."
ORDER BY system_task, title";
$result = Database::query($sql);
while ($task = Database::fetch_array($result)) {
$counter++;
$css_class = (($counter % 2) == 0) ? "row_odd" : "row_even";
$delete_icon = ($task['system_task'] == '1') ? "delete_na.gif" : "delete.gif";
$delete_title = ($task['system_task'] == '1') ? get_lang('DeleteSystemTask') : get_lang('DeleteTask');
$delete_link = ($task['system_task'] == '1') ? '#' : api_get_self(
).'?action=manage_tasks& blog_id='.$task['blog_id'].'& do=delete& task_id='.$task['task_id'];
$delete_confirm = ($task['system_task'] == '1') ? '' : 'onclick="javascript:if(!confirm(\''.addslashes(
api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES, $charset)
).'\')) return false;"';
echo '< tr class = "'.$css_class.'" valign = "top" > ',
'< td width = "240" > '.Security::remove_XSS($task['title']).'< / td > ',
'< td > '.Security::remove_XSS($task['description']).'< / td > ',
'< td > < span style = "background-color: #'.$task['color'].'" > < / span > < / td > ',
'< td width = "50" > ',
'< a href = "'.api_get_self(
).'?action=manage_tasks& blog_id='.$task['blog_id'].'& do=edit& task_id='.$task['task_id'].'">',
'< img src = "../img/edit.gif" border = "0" title = "'.get_lang('EditTask').'" / > ',
"< / a > \n",
'< a href = "'.$delete_link.'" ' ,
$delete_confirm,
'>< img src = "../img/'.$delete_icon.'" border = "0" title = "'.$delete_title.'" / > ',
"< / a > \n",
'< / td > ',
'< / tr > ';
}
echo "< / table > ";
}
}
/**
* Displays a list of tasks assigned to a user in this blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_assigned_task_list($blog_id)
{
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$counter = 0;
global $charset, $color2;
echo '< span class = "blogpost_title" > '.get_lang('AssignedTasks').'< / span > < br / > ';
echo "< table class = \"data_table\" > ";
echo "< tr bgcolor = \"$color2\" align = \"center\" valign = \"top\" > ",
"< th width = '240' > < b > ", get_lang('Member'), "< / b > < / th > \n",
"< th > < b > ", get_lang('Task'), "< / b > < / th > \n",
"< th > < b > ", get_lang('Description'), "< / b > < / th > \n",
"< th > < b > ", get_lang('TargetDate'), "< / b > < / th > \n",
"< th width = '50' > < b > ", get_lang('Modify'), "< / b > < / th > \n",
"< / tr > ";
$course_id = api_get_course_int_id();
$sql = "SELECT task_rel_user.*, task.title, user.firstname, user.lastname, user.username, task.description, task.system_task, task.blog_id, task.task_id
FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_users user ON task_rel_user.user_id = user.user_id
WHERE task_rel_user.c_id = $course_id AND
task.c_id = $course_id AND
task_rel_user.blog_id = '".(int)$blog_id."'
ORDER BY target_date ASC";
$result = Database::query($sql);
while ($assignment = Database::fetch_array($result)) {
$counter++;
$css_class = (($counter % 2) == 0) ? "row_odd" : "row_even";
$delete_icon = ($assignment['system_task'] == '1') ? "delete_na.gif" : "delete.gif";
$delete_title = ($assignment['system_task'] == '1') ? get_lang('DeleteSystemTask') : get_lang('DeleteTask');
$delete_link = ($assignment['system_task'] == '1') ? '#' : api_get_self(
).'?action=manage_tasks& blog_id='.$assignment['blog_id'].'& do=delete& task_id='.$assignment['task_id'];
$delete_confirm = ($assignment['system_task'] == '1') ? '' : 'onclick="javascript:if(!confirm(\''.addslashes(
api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES, $charset)
).'\')) return false;"';
$username = api_htmlentities(sprintf(get_lang('LoginX'), $assignment['username']), ENT_QUOTES);
echo '< tr class = "'.$css_class.'" valign = "top" > ',
'< td width = "240" > '.Display::tag(
'span',
api_get_person_name($assignment['firstname'], $assignment['lastname']),
array('title' => $username)
).'< / td > ',
'< td > '.stripslashes($assignment['title']).'< / td > ',
'< td > '.stripslashes($assignment['description']).'< / td > ',
'< td > '.$assignment['target_date'].'< / td > ',
'< td width = "50" > ',
'< a href = "'.api_get_self(
).'?action=manage_tasks& blog_id='.$assignment['blog_id'].'& do=edit_assignment& task_id='.$assignment['task_id'].'& user_id='.$assignment['user_id'].'">',
'< img src = "../img/edit.gif" border = "0" title = "'.get_lang('EditTask').'" / > ',
"< / a > \n",
'< a href = "'.api_get_self(
).'?action=manage_tasks& blog_id='.$assignment['blog_id'].'& do=delete_assignment& task_id='.$assignment['task_id'].'& user_id='.$assignment['user_id'].'" ',
'onclick="javascript:if(!confirm(\''.addslashes(
api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES, $charset)
).'\')) return false;"',
'< img src = "../img/'.$delete_icon.'" border = "0" title = "'.$delete_title.'" / > ',
"< / a > \n",
'< / td > ',
'< / tr > ';
}
echo "< / table > ";
}
/**
* Displays new task form
* @author Toon Keppens
*
*/
public static function display_new_task_form($blog_id)
{
// Init
$colors = array(
'FFFFFF',
'FFFF99',
'FFCC99',
'FF9933',
'FF6699',
'CCFF99',
'CC9966',
'66FF00',
'9966FF',
'CF3F3F',
'990033',
'669933',
'0033FF',
'003366',
'000000'
);
// form
echo '< form name = "add_task" method = "post" action = "blog.php?action=manage_tasks&blog_id='.$blog_id.'" > ';
// form title
echo '< legend > '.get_lang('AddTask').'< / legend > ';
// task title
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > '.get_lang('Title').'
< / label >
< div class = "controls" >
< input name = "task_name" type = "text" size = "70" / >
< / div >
< / div > ';
// task comment
echo ' < div class = "control-group" >
< label class = "control-label" >
'.get_lang('Description').'
< / label >
< div class = "controls" >
< textarea name = "task_description" cols = "45" > < / textarea >
< / div >
< / div > ';
// task management
echo ' < div class = "control-group" >
< label class = "control-label" >
'.get_lang('TaskManager').'
< / label >
< div class = "controls" > ';
echo "\t\t\t".'< table class = "data_table" cellspacing = "0" style = "border-collapse:collapse; width:446px;" > ';
echo "\t\t\t\t".'< tr > '."\n";
echo "\t\t\t\t\t".'< th colspan = "2" style = "width:223px;" > '.get_lang('ArticleManager').'< / th > '."\n";
echo "\t\t\t\t\t".'< th width:223px ; > '.get_lang('CommentManager').'< / th > '."\n";
echo "\t\t\t\t".'< / tr > '."\n";
echo "\t\t\t\t".'< tr > '."\n";
echo "\t\t\t\t\t".'< th style = "width:111px;" > < label for = "articleDelete" > '.get_lang(
'Delete'
).'< / label > < / th > '."\n";
echo "\t\t\t\t\t".'< th style = "width:112px;" > < label for = "articleEdit" > '.get_lang('Edit').'< / label > < / th > '."\n";
echo "\t\t\t\t\t".'< th style = "width:223px;" > < label for = "commentsDelete" > '.get_lang(
'Delete'
).'< / label > < / th > '."\n";
echo "\t\t\t\t".'< / tr > '."\n";
echo "\t\t\t\t".'< tr > '."\n";
echo "\t\t\t\t\t".'< td style = "text-align:center;" > < input id = "articleDelete" name = "chkArticleDelete" type = "checkbox" / > < / td > '."\n";
echo "\t\t\t\t\t".'< td style = "text-align:center;" > < input id = "articleEdit" name = "chkArticleEdit" type = "checkbox" / > < / td > '."\n";
echo "\t\t\t\t\t".'< td style = "border:1px dotted #808080; text-align:center;" > < input id = "commentsDelete" name = "chkCommentsDelete" type = "checkbox" / > < / td > '."\n";
echo "\t\t\t\t".'< / tr > '."\n";
echo "\t\t\t".'< / table > '."\n";
echo ' < / div >
< / div > ';
// task color
echo ' < div class = "control-group" >
< label class = "control-label" >
'.get_lang('Color').'
< / label >
< div class = "controls" > ';
echo ' < select name = "task_color" id = "color" style = "width: 150px; background-color: #eeeeee" onchange = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" onkeypress = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" > ';
foreach ($colors as $color) {
$style = 'style="background-color: #'.$color.'"';
echo '< option value = "'.$color.'" ' . $ style . ' > < / option > ';
}
echo ' < / select > ';
echo ' < / div >
< / div > ';
// submit
echo ' < div class = "control-group" >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "new_task_submit" value = "true" / >
< button class = "save" type = "submit" name = "Submit" > '.get_lang('Save').'< / button >
< / div >
< / div > ';
echo '< / form > ';
echo '< div style = "clear:both; margin-bottom: 10px;" > < / div > ';
}
/**
* Displays edit task form
* @author Toon Keppens
*
*/
public static function display_edit_task_form($blog_id, $task_id)
{
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$course_id = api_get_course_int_id();
$colors = array(
'FFFFFF',
'FFFF99',
'FFCC99',
'FF9933',
'FF6699',
'CCFF99',
'CC9966',
'66FF00',
'9966FF',
'CF3F3F',
'990033',
'669933',
'0033FF',
'003366',
'000000'
);
$sql = "SELECT blog_id, task_id, title, description, color FROM $tbl_blogs_tasks WHERE c_id = $course_id AND task_id = '".(int)$task_id."'";
$result = Database::query($sql);
$task = Database::fetch_array($result);
// Display
echo '< form name = "edit_task" method = "post" action = "blog.php?action=manage_tasks&blog_id='.$blog_id.'" >
< legend > '.get_lang('EditTask').'< / legend >
< table width = "100%" border = "0" cellspacing = "2" >
< tr >
< td align = "right" > '.get_lang('Title').': < / td >
< td > < input name = "task_name" type = "text" size = "70" value = "'.Security::remove_XSS($task['title']).'" / > < / td >
< / tr >
< tr >
< td align = "right" > '.get_lang('Description').': < / td >
< td > < textarea name = "task_description" cols = "45" > '.Security::remove_XSS($task['description']).'< / textarea > < / td >
< / tr > ';
/* edit by Kevin Van Den Haute (kevin@develop-it.be) */
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
$sql = " SELECT id, action FROM ".$tbl_tasks_permissions."
WHERE c_id = $course_id AND task_id = '".(int)$task_id."'";
$result = Database::query($sql);
$arrPermissions = array();
while ($row = Database::fetch_array($result)) {
$arrPermissions[] = $row['action'];
}
echo "\t".'< tr > '."\n";
echo "\t\t".'< td style = "text-align:right; vertical-align:top;" > '.get_lang(
'TaskManager'
).': < / td > '."\n";
echo "\t\t".'< td > '."\n";
echo "\t\t\t".'< table class = "data_table" cellspacing = "0" style = "border-collapse:collapse; width:446px;" > ';
echo "\t\t\t\t".'< tr > '."\n";
echo "\t\t\t\t\t".'< th colspan = "2" style = "width:223px;" > '.get_lang('ArticleManager').'< / th > '."\n";
echo "\t\t\t\t\t".'< th width:223px ; > '.get_lang('CommentManager').'< / th > '."\n";
echo "\t\t\t\t".'< / tr > '."\n";
echo "\t\t\t\t".'< tr > '."\n";
echo "\t\t\t\t\t".'< th style = "width:111px;" > < label for = "articleDelete" > '.get_lang(
'Delete'
).'< / label > < / th > '."\n";
echo "\t\t\t\t\t".'< th style = "width:112px;" > < label for = "articleEdit" > '.get_lang('Edit').'< / label > < / th > '."\n";
echo "\t\t\t\t\t".'< th style = "width:223px;" > < label for = "commentsDelete" > '.get_lang(
'Delete'
).'< / label > < / th > '."\n";
echo "\t\t\t\t".'< / tr > '."\n";
echo "\t\t\t\t".'< tr > '."\n";
echo "\t\t\t\t\t".'< td style = "text-align:center;" > < input ' . ( ( in_array (
'article_delete',
$arrPermissions
)) ? 'checked ' : '').'id="articleDelete" name="chkArticleDelete" type="checkbox" />< / td > '."\n";
echo "\t\t\t\t\t".'< td style = "text-align:center;" > < input ' . ( ( in_array (
'article_edit',
$arrPermissions
)) ? 'checked ' : '').'id="articleEdit" name="chkArticleEdit" type="checkbox" />< / td > '."\n";
echo "\t\t\t\t\t".'< td style = "text-align:center;" > < input ' . ( ( in_array (
'article_comments_delete',
$arrPermissions
)) ? 'checked ' : '').'id="commentsDelete" name="chkCommentsDelete" type="checkbox" />< / td > '."\n";
echo "\t\t\t\t".'< / tr > '."\n";
echo "\t\t\t".'< / table > '."\n";
echo "\t\t".'< / td > '."\n";
echo "\t".'< / tr > '."\n";
/* end of edit */
echo '< tr >
< td align = "right" > '.get_lang('Color').': < / td >
< td >
< select name = "task_color" id = "color" style = "width: 150px; background-color: #'.$task['color'].'" onchange = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" onkeypress = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" > ';
foreach ($colors as $color) {
$selected = ($color == $task['color']) ? ' selected' : '';
$style = 'style="background-color: #'.$color.'"';
echo '< option value = "'.$color.'" ' . $ style . ' ' . $ selected . ' > < / option > ';
}
echo ' < / select >
< / td >
< / tr >
< tr >
< td align = "right" > < / td >
< td > < br / > < input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "edit_task_submit" value = "true" / >
< input type = "hidden" name = "task_id" value = "'.$task['task_id'].'" / >
< input type = "hidden" name = "blog_id" value = "'.$task['blog_id'].'" / >
< button class = "save" type = "submit" name = "Submit" > '.get_lang('Save').'< / button > < / td >
< / tr >
< / table >
< / form > ';
}
/**
* Displays assign task form
* @author Toon Keppens
*
*/
public static function display_assign_task_form($blog_id)
{
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$day = date("d");
$month = date("m");
$year = date("Y");
global $MonthsLong;
$course_id = api_get_course_int_id();
// Get users in this blog / make select list of it
$sql = "SELECT user.user_id, user.firstname, user.lastname, user.username FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = Database::query($sql);
$select_user_list = '< select name = "task_user_id" > ';
while ($user = Database::fetch_array($result)) {
$username = api_htmlentities(sprintf(get_lang('LoginX'), $user['username']), ENT_QUOTES);
$select_user_list .= '< option title = "'.$username.'" value = "'.$user['user_id'].'" > '.api_get_person_name(
$user['firstname'],
$user['lastname']
).'< / option > ';
}
$select_user_list .= '< / select > ';
// Get tasks in this blog / make select list of it
$sql = "
SELECT
blog_id,
task_id,
blog_id,
title,
description,
color,
system_task
FROM ".$tbl_blogs_tasks."
WHERE c_id = $course_id AND blog_id = ".(int)$blog_id."
ORDER BY system_task, title";
$result = Database::query($sql);
$select_task_list = '< select name = "task_task_id" > ';
while ($task = Database::fetch_array($result)) {
$select_task_list .= '< option value = "'.$task['task_id'].'" > '.stripslashes($task['title']).'< / option > ';
}
$select_task_list .= '< / select > ';
// form
echo '< form name = "assign_task" method = "post" action = "blog.php?action=manage_tasks&blog_id='.$blog_id.'" > ';
// form title
echo '< legend > '.get_lang('AssignTask').'< / legend > ';
// user
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > '.get_lang('SelectUser').'
< / label >
< div class = "controls" >
'.$select_user_list.'
< / div >
< / div > ';
// task
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > '.get_lang('SelectTask').'
< / label >
< div class = "controls" >
'.$select_task_list.'
< / div >
< / div > ';
// date
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > '.get_lang('SelectTargetDate').'
< / label >
< div class = "controls" > ';
echo ' < select name = "task_day" > ';
for ($i = 1; $i < = 31; $i++) {
// values need to have double digits
$value = ($i < = 9 ? "0".$i : $i);
// the current day is indicated with [] around the date
if ($value == $day) {
echo "\t\t\t\t < option value = \"".$value."\" selected > ".$i." < / option > \n";
} else {
echo "\t\t\t\t < option value = \"".$value."\" > ".$i."< / option > \n";
}
}
echo '< / select >
< select name = "task_month" > ';
for ($i = 1; $i < = 12; $i++) {
// values need to have double digits
$value = ($i < = 9 ? "0".$i : $i);
if ($value == $month) {
echo "\t\t\t\t < option value = \"".$value."\" selected > ".$MonthsLong[$i - 1]."< / option > \n";
} else {
echo "\t\t\t\t < option value = \"".$value."\" > ".$MonthsLong[$i - 1]."< / option > \n";
}
}
echo '< / select >
< select name = "task_year" >
< option value = "'.($year - 1).'" > '.($year - 1).'< / option >
< option value = "'.$year.'" selected > '.$year.' < / option > ';
for ($i = 1; $i < = 5; $i++) {
$value = $year + $i;
echo "\t\t\t\t< option value = \"".$value."\" > ".$value."< / option > \n";
}
echo '< / select >
< a title = "Kalender" href = "javascript:openCalendar(\'assign_task\', \'task_\')" > < img src = "../img/calendar_select.gif" border = "0" align = "absmiddle" / > < / a > ';
echo ' < / div >
< / div > ';
// submit
echo ' < div class = "control-group" >
< label class = "control-label" >
< / div >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "assign_task_submit" value = "true" / >
< button class = "save" type = "submit" name = "Submit" > '.get_lang('Ok').'< / button >
< / div >
< / div > ';
echo '< / form > ';
echo '< div style = "clear: both; margin-bottom:10px;" > < / div > ';
}
/**
* Displays assign task form
* @author Toon Keppens
*
*/
public static function display_edit_assigned_task_form($blog_id, $task_id, $user_id)
{
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
$year = date("Y");
global $MonthsLong;
// Get assignd date;
$sql = "
SELECT target_date
FROM $tbl_blogs_tasks_rel_user
WHERE c_id = $course_id AND
blog_id = '".(int)$blog_id."' AND
user_id = '".(int)$user_id."' AND
task_id = '".(int)$task_id."'";
$result = Database::query($sql);
$row = Database::fetch_assoc($result);
$old_date = $row['target_date'];
$date = explode('-', $row['target_date']);
// Get users in this blog / make select list of it
$sql = "
SELECT user.user_id, user.firstname, user.lastname, user.username
FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = Database::query($sql);
$select_user_list = '< select name = "task_user_id" > ';
while ($user = Database::fetch_array($result)) {
$username = api_htmlentities(sprintf(get_lang('LoginX'), $user['username']), ENT_QUOTES);
$select_user_list .= '< option title = "'.$username.'" ' . ( ( $ user_id = = $ user [ ' user_id ' ] ) ? ' selected = "selected " ' : ' ' ) . ' value = "'.$user['user_id'].'" > '.api_get_person_name(
$user['firstname'],
$user['lastname']
).'< / option > ';
}
$select_user_list .= '< / select > ';
// Get tasks in this blog / make select list of it
$sql = "
SELECT
blog_id,
task_id,
title,
description,
color,
system_task
FROM ".$tbl_blogs_tasks."
WHERE c_id = $course_id AND blog_id = ".(int)$blog_id."
ORDER BY system_task, title";
$result = Database::query($sql);
$select_task_list = '< select name = "task_task_id" > ';
while ($task = Database::fetch_array($result)) {
//if(!in_array($task['task_id'], $arrUserTasks) || $task_id == $task['task_id'])
$select_task_list .= '< option ' . ( ( $ task_id = = $ task [ ' task_id ' ] ) ? ' selected = "selected " ' : ' ' ) . ' value = "'.$task['task_id'].'" > '.stripslashes(
$task['title']
).'< / option > ';
}
$select_task_list .= '< / select > ';
// Display
echo '< form name = "assign_task" method = "post" action = "blog.php?action=manage_tasks&blog_id='.$blog_id.'" >
< table width = "100%" border = "0" cellspacing = "2" cellpadding = "0" style = "background-color: #f6f6f6; border: 1px solid #dddddd" >
< tr >
< td width = "200" > < / td >
< td > < b > '.get_lang('AssignTask').'< / b > < br / > < br / > < / td >
< / tr >
< tr >
< td align = "right" > '.get_lang('SelectUser').': < / td >
< td > '.$select_user_list.'< / td >
< / tr >
< tr >
< td align = "right" > '.get_lang('SelectTask').': < / td >
< td > '.$select_task_list.'< / td >
< / tr >
< tr >
< td align = "right" > '.get_lang('SelectTargetDate').': < / td >
< td >
< select name = "task_day" > ';
for ($i = 1; $i < = 31; $i++) {
// values need to have double digits
$value = ($i < = 9 ? "0".$i : $i);
echo "\t\t\t\t< option " . ( ( $ date [ 2 ] = = $ value ) ? ' selected = "selected " ' : ' ' ) . " value = \"".$value."\" > ".$i."< / option > \n";
}
echo '< / select >
< select name = "task_month" > ';
for ($i = 1; $i < = 12; $i++) {
// values need to have double digits
$value = ($i < = 9 ? "0".$i : $i);
echo "\t\t\t\t< option " . ( ( $ date [ 1 ] = = $ value ) ? ' selected = "selected " ' : ' ' ) . " value = \"".$value."\" > ".$MonthsLong[$i - 1]."< / option > \n";
}
echo '< / select >
< select name = "task_year" >
< option value = "'.($year - 1).'" > '.($year - 1).'< / option >
< option value = "'.$year.'" selected > '.$year.' < / option > ';
for ($i = 1; $i < = 5; $i++) {
$value = $year + $i;
echo "\t\t\t\t< option " . ( ( $ date [ 0 ] = = $ value ) ? ' selected = "selected " ' : ' ' ) . " value = \"".$value."\" > ".$value."< / option > \n";
}
echo '< / select >
< a title = "Kalender" href = "javascript:openCalendar(\'assign_task\', \'task_\')" > < img src = "../img/calendar_select.gif" border = "0" align = "absmiddle" / > < / a >
< / td >
< / tr >
< tr >
< td align = "right" > < / td >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "old_task_id" value = "'.$task_id.'" / >
< input type = "hidden" name = "old_user_id" value = "'.$user_id.'" / >
< input type = "hidden" name = "old_target_date" value = "'.$old_date.'" / >
< input type = "hidden" name = "assign_task_edit_submit" value = "true" / >
< td > < br / > < button class = "save type=" submit " name = "Submit" > '.get_lang('Ok').'< / button > < / td >
< / tr >
< / table >
< / form > ';
}
/**
* Assigns a task to a user in a blog
*
* @param Integer $blog_id
* @param Integer $user_id
* @param Integer $task_id
* @param Date $target_date
*/
public static function assign_task($blog_id, $user_id, $task_id, $target_date)
{
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
$sql = "
SELECT COUNT(*) as 'number'
FROM ".$tbl_blogs_tasks_rel_user."
WHERE c_id = $course_id AND
blog_id = ".(int)$blog_id."
AND user_id = ".(int)$user_id."
AND task_id = ".(int)$task_id."
";
$result = @Database::query($sql);
$row = Database::fetch_assoc($result);
if ($row['number'] == 0) {
$sql = "
INSERT INTO ".$tbl_blogs_tasks_rel_user." (
c_id,
blog_id,
user_id,
task_id,
target_date
) VALUES (
'".(int)$course_id."',
'".(int)$blog_id."',
'".(int)$user_id."',
'".(int)$task_id."',
'".Database::escape_string($target_date)."'
)";
$result = @Database::query($sql);
}
}
public static function edit_assigned_task(
$blog_id,
$user_id,
$task_id,
$target_date,
$old_user_id,
$old_task_id,
$old_target_date
) {
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
$sql = "SELECT COUNT(*) as 'number'
FROM ".$tbl_blogs_tasks_rel_user."
WHERE
c_id = $course_id AND
blog_id = ".(int)$blog_id." AND
user_id = ".(int)$user_id." AND
task_id = ".(int)$task_id."
";
$result = @Database::query($sql);
$row = Database::fetch_assoc($result);
if ($row['number'] == 0 || ($row['number'] != 0 & & $task_id == $old_task_id & & $user_id == $old_user_id)) {
$sql = "
UPDATE ".$tbl_blogs_tasks_rel_user."
SET
user_id = ".(int)$user_id.",
task_id = ".(int)$task_id.",
target_date = '".Database::escape_string($target_date)."'
WHERE
c_id = $course_id AND
blog_id = ".(int)$blog_id." AND
user_id = ".(int)$old_user_id." AND
task_id = ".(int)$old_task_id." AND
target_date = '".Database::escape_string($old_target_date)."'
";
$result = @Database::query($sql);
}
}
/**
* Displays a list with posts a user can select to execute his task.
*
* @param Integer $blog_id
* @param unknown_type $task_id
*/
public static function display_select_task_post($blog_id, $task_id)
{
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$course_id = api_get_course_int_id();
$sql = "SELECT title, description FROM $tbl_blogs_tasks
WHERE task_id = '".(int)$task_id."'
AND c_id = $course_id";
$result = Database::query($sql);
$row = Database::fetch_assoc($result);
// Get posts and authors
$sql = "SELECT post.*, user.lastname, user.firstname, user.username
FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."' AND post.c_id = $course_id
ORDER BY post_id DESC
LIMIT 0, 100";
$result = Database::query($sql);
// Display
echo '< span class = "blogpost_title" > '.get_lang('SelectTaskArticle').' "'.stripslashes($row['title']).'"< / span > ';
echo '< span style = "font-style: italic;" " > '.stripslashes($row['description']).'< / span > < br > < br > ';
if (Database::num_rows($result) > 0) {
while ($blog_post = Database::fetch_array($result)) {
$username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
echo '< a href = "blog.php?action=execute_task&blog_id='.$blog_id.'&task_id='.$task_id.'&post_id='.$blog_post['post_id'].'#add_comment" > '.stripslashes(
$blog_post['title']
).'< / a > , '.get_lang('WrittenBy').' '.stripslashes(
Display::tag(
'span',
api_get_person_name($blog_post['firstname'], $blog_post['lastname']),
array('title' => $username)
)
).'< br / > ';
}
} else {
echo get_lang('NoArticles');
}
}
/**
* Subscribes a user to a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $user_id
*/
public static function set_user_subscribed($blog_id, $user_id)
{
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_user_permissions = Database::get_course_table(TABLE_PERMISSION_USER);
$course_id = api_get_course_int_id();
// Subscribe the user
$sql = "INSERT INTO $tbl_blogs_rel_user (c_id, blog_id, user_id ) VALUES ($course_id, '".(int)$blog_id."', '".(int)$user_id."');";
$result = Database::query($sql);
// Give this user basic rights
$sql = "INSERT INTO $tbl_user_permissions (c_id, user_id,tool,action) VALUES ($course_id, '".(int)$user_id."','BLOG_".(int)$blog_id."','article_add')";
$result = Database::query($sql);
$sql = "INSERT INTO $tbl_user_permissions (c_id, user_id,tool,action) VALUES ($course_id, '".(int)$user_id."','BLOG_".(int)$blog_id."','article_comments_add')";
$result = Database::query($sql);
}
/**
* Unsubscribe a user from a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $user_id
*/
public static function set_user_unsubscribed($blog_id, $user_id)
{
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_user_permissions = Database::get_course_table(TABLE_PERMISSION_USER);
// Unsubscribe the user
$sql = "DELETE FROM $tbl_blogs_rel_user WHERE blog_id = '".(int)$blog_id."' AND user_id = '".(int)$user_id."'";
$result = @Database::query($sql);
// Remove this user's permissions.
$sql = "DELETE FROM $tbl_user_permissions WHERE user_id = '".(int)$user_id."'";
$result = Database::query($sql);
}
/**
* Displays the form to register users in a blog (in a course)
* The listed users are users subcribed in the course.
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Html Form with sortable table with users to subcribe in a blog, in a course.
*/
public static function display_form_user_subscribe($blog_id)
{
// Init
$_course = api_get_course_info();
$is_western_name_order = api_is_western_name_order();
$currentCourse = $_course['sysCode'];
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '< legend > '.get_lang('SubscribeMembers').'< / legend > ';
$course_id = api_get_course_int_id();
$properties["width"] = "100%";
// Get blog members' id.
$sql = "SELECT user.user_id FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".intval($blog_id)."'";
$result = Database::query($sql);
$blog_member_ids = array();
while ($user = Database::fetch_array($result)) {
$blog_member_ids[] = $user['user_id'];
}
// Set table headers
$column_header[] = array('', false, '');
if ($is_western_name_order) {
$column_header[] = array(get_lang('FirstName'), true, '');
$column_header[] = array(get_lang('LastName'), true, '');
} else {
$column_header[] = array(get_lang('LastName'), true, '');
$column_header[] = array(get_lang('FirstName'), true, '');
}
$column_header[] = array(get_lang('Email'), false, '');
$column_header[] = array(get_lang('Register'), false, '');
if (isset($_SESSION['session_id'])) {
$session_id = intval($_SESSION['session_id']);
} else {
$session_id = 0;
}
$student_list = CourseManager :: get_student_list_from_course_code(api_get_course_int_id(), false, $session_id);
$user_data = array();
// Add users that are not in this blog to the list.
foreach ($student_list as $key => $user) {
if (isset($user['id_user'])) {
$user['user_id'] = $user['id_user'];
}
if (!in_array($user['user_id'], $blog_member_ids)) {
$a_infosUser = UserManager :: get_user_info_by_id($user['user_id']);
$row = array();
$row[] = '< input type = "checkbox" name = "user[]" value = "'.$a_infosUser['user_id'].'" ' . ( ( $ _GET [ ' selectall ' ] = = " subscribe " ) ? ' checked = "checked" ' : ' ' ) . ' / > ';
$username = api_htmlentities(sprintf(get_lang('LoginX'), $a_infosUser["username"]), ENT_QUOTES);
if ($is_western_name_order) {
$row[] = $a_infosUser["firstname"];
$row[] = Display::tag('span', $a_infosUser["lastname"], array('title' => $username));
} else {
$row[] = Display::tag('span', $a_infosUser["lastname"], array('title' => $username));
$row[] = $a_infosUser["firstname"];
}
$row[] = Display::icon_mailto_link($a_infosUser["email"]);
//Link to register users
if ($a_infosUser["user_id"] != $_SESSION['_user']['user_id']) {
$row[] = "< a class = \"btn \ " href = \"".api_get_self(
)."?action=manage_members& blog_id=$blog_id& register=yes& user_id=".$a_infosUser["user_id"]."\">".get_lang(
'Register'
)."< / a > ";
} else {
$row[] = '';
}
$user_data[] = $row;
}
}
// Display
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '< form method = "post" action = "blog.php?action=manage_members&blog_id='.$blog_id.'" > ';
Display::display_sortable_table($column_header, $user_data, null, null, $query_vars);
$link = '';
$link .= isset ($_GET['action']) ? 'action='.Security::remove_XSS($_GET['action']).'& ' : '';
$link .= "blog_id=$blog_id& ";
echo '< a href = "blog.php?'.$link.'selectall=subscribe" > '.get_lang('SelectAll').'< / a > - ';
echo '< a href = "blog.php?'.$link.'" > '.get_lang('UnSelectAll').'< / a > ';
echo get_lang('WithSelected').' : ';
echo '< select name = "action" > ';
echo '< option value = "select_subscribe" > '.get_lang('Register').'< / option > ';
echo '< / select > ';
echo '< input type = "hidden" name = "register" value = "true" / > ';
echo '< button class = "save" type = "submit" > '.get_lang('Ok').'< / button > ';
echo '< / form > ';
}
/**
* Displays the form to register users in a blog (in a course)
* The listed users are users subcribed in the course.
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Html Form with sortable table with users to unsubcribe from a blog.
*/
public static function display_form_user_unsubscribe($blog_id)
{
global $_user;
$is_western_name_order = api_is_western_name_order();
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '< legend > '.get_lang('UnsubscribeMembers').'< / legend > ';
$properties["width"] = "100%";
//table column titles
$column_header[] = array('', false, '');
if ($is_western_name_order) {
$column_header[] = array(get_lang('FirstName'), true, '');
$column_header[] = array(get_lang('LastName'), true, '');
} else {
$column_header[] = array(get_lang('LastName'), true, '');
$column_header[] = array(get_lang('FirstName'), true, '');
}
$column_header[] = array(get_lang('Email'), false, '');
$column_header[] = array(get_lang('TaskManager'), true, '');
$column_header[] = array(get_lang('UnRegister'), false, '');
$course_id = api_get_course_int_id();
$sql_query = "SELECT user.user_id, user.lastname, user.firstname, user.email, user.username
FROM $tbl_users user INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".(int)$blog_id."'";
if (!($sql_result = Database::query($sql_query))) {
return false;
}
$user_data = array();
while ($myrow = Database::fetch_array($sql_result)) {
$row = array();
$row[] = '< input type = "checkbox" name = "user[]" value = "'.$myrow['user_id'].'" ' . ( ( $ _GET [ ' selectall ' ] = = " unsubscribe " ) ? ' checked = "checked" ' : ' ' ) . ' / > ';
$username = api_htmlentities(sprintf(get_lang('LoginX'), $myrow["username"]), ENT_QUOTES);
if ($is_western_name_order) {
$row[] = $myrow["firstname"];
$row[] = Display::tag('span', $myrow["lastname"], array('title' => $username));
} else {
$row[] = Display::tag('span', $myrow["lastname"], array('title' => $username));
$row[] = $myrow["firstname"];
}
$row[] = Display::icon_mailto_link($myrow["email"]);
$sql = "SELECT bt.title task
FROM ".Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER)." btu
INNER JOIN ".Database::get_course_table(TABLE_BLOGS_TASKS)." bt ON btu.task_id = bt.task_id
WHERE btu.c_id = $course_id AND
bt.c_id = $course_id AND
btu.blog_id = $blog_id AND
btu.user_id = ".$myrow['user_id'];
if (!($sql_res = Database::query($sql))) {
die(Database::error());
}
$task = '';
while ($r = Database::fetch_array($sql_res)) {
$task .= stripslashes($r['task']).', ';
}
//echo $task;
$task = (api_strlen(trim($task)) != 0) ? api_substr($task, 0, api_strlen($task) - 2) : get_lang('Reader');
$row[] = $task;
//Link to register users
if ($myrow["user_id"] != $_user['user_id']) {
$row[] = "< a class = \"btn\" href = \"".api_get_self(
)."?action=manage_members& blog_id=$blog_id& unregister=yes& user_id=".$myrow[user_id]."\">".get_lang(
'UnRegister'
)."< / a > ";
} else {
$row[] = '';
}
$user_data[] = $row;
}
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '< form method = "post" action = "blog.php?action=manage_members&blog_id='.$blog_id.'" > ';
Display::display_sortable_table($column_header, $user_data, null, null, $query_vars);
$link = '';
$link .= isset ($_GET['action']) ? 'action='.Security::remove_XSS($_GET['action']).'& ' : '';
$link .= "blog_id=$blog_id& ";
echo '< a href = "blog.php?'.$link.'selectall=unsubscribe" > '.get_lang('SelectAll').'< / a > - ';
echo '< a href = "blog.php?'.$link.'" > '.get_lang('UnSelectAll').'< / a > ';
echo get_lang('WithSelected').' : ';
echo '< select name = "action" > ';
echo '< option value = "select_unsubscribe" > '.get_lang('UnRegister').'< / option > ';
echo '< / select > ';
echo '< input type = "hidden" name = "unregister" value = "true" / > ';
echo '< button class = "save" type = "submit" > '.get_lang('Ok').'< / button > ';
echo '< / form > ';
}
/**
* Displays a matrix with selectboxes. On the left: users, on top: possible rights.
* The blog admin can thus select what a certain user can do in the current blog
*
* @param Integer $blog_id
*/
public static function display_form_user_rights($blog_id)
{
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '< legend > '.get_lang('RightsManager').'< / legend > ';
echo '< br / > ';
// Integration of patricks permissions system.
require_once api_get_path(SYS_CODE_PATH).'permissions/blog_permissions.inc.php';
}
/**
* Displays the form to create a new post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_new_comment_form($blog_id, $post_id, $title)
{
echo '< form name = "add_post" enctype = "multipart/form-data" method = "post" action = "blog.php?action=view_post&blog_id='.intval(
$blog_id
).'& post_id='.intval($post_id).'">';
// form title
echo '< legend > ';
echo (isset($_GET['task_id']) ? get_lang('ExecuteThisTask') : get_lang('AddNewComment'));
echo '< / legend > ';
// comment title
echo '< div > < span class = "form_required" > *< / span > '.get_lang(
'Title'
).': < input name = "comment_title" id = "comment_title" type = "text" size = "60" value = "Re: ' . stripslashes (
$title
).'" />< / div > < br / > ';
// comment text
$oFCKeditor = new FCKeditor('comment_text');
$oFCKeditor->Width = '100%';
$oFCKeditor->Height = '200';
if (!api_is_allowed_to_edit()) {
$oFCKeditor->ToolbarSet = 'ProjectCommentStudent';
} else {
$oFCKeditor->ToolbarSet = 'ProjectComment';
}
$oFCKeditor->Value = isset($_POST['comment_text']) ? stripslashes($_POST['comment_text']) : '';
echo '< div class = "controls" > ';
echo $oFCKeditor->Create();
echo '
< / div > ';
// attachment
echo ' < div class = "control-group" >
< label class = "control-label" >
'.get_lang('AddAnAttachment').'
< / label >
< div class = "controls" >
< input type = "file" name = "user_upload" / >
< / div >
< / div > ';
// attachment comment
echo ' < div class = "control-group" >
< label class = "control-label" >
'.get_lang('FileComment').'
< / label >
< div class = "controls" >
< textarea name = "post_file_comment" cols = "34" / > < / textarea >
< / div >
< / div > ';
// attachment comment
echo ' < div class = "control-group" >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "comment_parent_id" id = "comment_parent_id" value = "0" / > ';
if (isset($_GET['task_id'])) {
echo ' < input type = "hidden" name = "new_task_execution_submit" value = "true" / > ';
echo ' < input type = "hidden" name = "task_id" value = "'.intval($_GET['task_id']).'" / > ';
} else {
echo ' < input type = "hidden" name = "new_comment_submit" value = "true" / > ';
}
echo ' < button class = "save" type = "submit" name = "Submit" > '.get_lang('Save').'< / button >
< / div >
< / div > ';
echo '< / form > ';
}
/**
* show the calender of the given month
* @author Patrick Cool
* @author Toon Keppens
*
* @param Array $blogitems an array containing all the blog items for the given month
* @param Integer $month: the integer value of the month we are viewing
* @param Integer $year: the 4-digit year indication e.g. 2005
* @param String $monthName: the language variable for the mont name
*
* @return html code
*/
public static function display_minimonthcalendar($month, $year, $blog_id)
{
// Init
global $_user;
global $DaysShort;
global $MonthsLong;
$posts = array();
$tasks = array();
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$course_id = api_get_course_int_id();
//Handle leap year
$numberofdays = array(0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31);
if (($year % 400 == 0) or ($year % 4 == 0 and $year % 100 < > 0)) {
$numberofdays[2] = 29;
}
//Get the first day of the month
$dayone = getdate(mktime(0, 0, 0, $month, 1, $year));
$monthName = $MonthsLong[$month - 1];
//Start the week on monday
$startdayofweek = $dayone['wday'] < > 0 ? ($dayone['wday'] - 1) : 6;
$backwardsURL = api_get_self()."?blog_id=".(int)$_GET['blog_id']."& filter=".Security::remove_XSS(
$_GET['filter']
)."& month=".($month == 1 ? 12 : $month - 1)."& year=".($month == 1 ? $year - 1 : $year);
$forewardsURL = api_get_self()."?blog_id=".(int)$_GET['blog_id']."& filter=".Security::remove_XSS(
$_GET['filter']
)."& month=".($month == 12 ? 1 : $month + 1)."& year=".($month == 12 ? $year + 1 : $year);
// Get posts for this month
$sql = "SELECT post.*, DAYOFMONTH(date_creation) as post_day, user.lastname, user.firstname FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user
ON post.author_id = user.user_id
WHERE post.c_id = $course_id AND
post.blog_id = '".(int)$blog_id."' AND
MONTH(date_creation) = '".(int)$month."' AND
YEAR(date_creation) = '".(int)$year."'
ORDER BY date_creation";
$result = Database::query($sql);
// We will create an array of days on which there are posts.
if (Database::num_rows($result) > 0) {
while ($blog_post = Database::fetch_array($result)) {
// If the day of this post is not yet in the array, add it.
if (!in_array($blog_post['post_day'], $posts)) {
$posts[] = $blog_post['post_day'];
}
}
}
// Get tasks for this month
if ($_user['user_id']) {
$sql = " SELECT task_rel_user.*, DAYOFMONTH(target_date) as task_day, task.title, blog.blog_name
FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_blogs blog ON task_rel_user.blog_id = blog.blog_id
WHERE
task_rel_user.c_id = $course_id AND
task.c_id = $course_id AND
blog.c_id = $course_id AND
task_rel_user.user_id = '".(int)$_user['user_id']."'
AND MONTH(target_date) = '".(int)$month."'
AND YEAR(target_date) = '".(int)$year."'
ORDER BY target_date ASC";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
while ($mytask = Database::fetch_array($result)) {
$tasks[$mytask['task_day']][$mytask['task_id']]['task_id'] = $mytask['task_id'];
$tasks[$mytask['task_day']][$mytask['task_id']]['title'] = $mytask['title'];
$tasks[$mytask['task_day']][$mytask['task_id']]['blog_id'] = $mytask['blog_id'];
$tasks[$mytask['task_day']][$mytask['task_id']]['blog_name'] = $mytask['blog_name'];
$tasks[$mytask['task_day']][$mytask['task_id']]['day'] = $mytask['task_day'];
//echo '< li > < a href = "blog.php?action=execute_task&blog_id=' . $mytask['blog_id'] . '&task_id='.stripslashes($mytask['task_id']) . '" title = "[Blog: ' . $mytask['blog_name'] . '] ' . get_lang('ExecuteThisTask') . '" > '.stripslashes($mytask['title']) . '< / a > < / li > ';
}
}
}
echo '< table id = "smallcalendar" class = "data_table" > ',
"< tr id = \"title\" > \n",
"< th width = \"10%\" > < a href = \"", $ backwardsURL , " \ " > « < / a > < / th > \n",
"< th align = \"center\" width = \"80%\" colspan = \"5\" > ", $monthName, " ", $year, "< / th > \n",
"< th width = \"10%\" align = \"right\" > < a href = \"", $ forewardsURL , " \ " > » < / a > < / th > \n", "< / tr > \n";
echo "< tr > \n";
for ($ii = 1; $ii < 8 ; $ ii + + ) {
echo "< td class = \"weekdays\" > ", $DaysShort[$ii % 7], "< / td > \n";
}
echo "< / tr > \n";
$curday = -1;
$today = getdate();
while ($curday < = $numberofdays[$month]) {
echo "< tr > \n";
for ($ii = 0; $ii < 7 ; $ ii + + ) {
if (($curday == -1) & & ($ii == $startdayofweek)) {
$curday = 1;
}
if (($curday > 0) & & ($curday < = $numberofdays[$month])) {
$bgcolor = $ii < 5 ? $ class = "class=\" days_week \ " " : $ class = "class=\" days_weekend \ " " ;
$dayheader = "$curday";
if (($curday == $today[mday]) & & ($year == $today[year]) & & ($month == $today[mon])) {
$dayheader = "$curday";
$class = "class=\"days_today\"";
}
echo "\t< td " . $ class . " > ";
// If there are posts on this day, create a filter link.
if (in_array($curday, $posts)) {
echo '< a href = "blog.php?blog_id='.$blog_id.'&filter='.$year.'-'.$month.'-'.$curday.'&month='.$month.'&year='.$year.'" title = "'.get_lang(
'ViewPostsOfThisDay'
).'">'.$curday.'< / a > ';
} else {
echo $dayheader;
}
if (count($tasks) > 0) {
if (is_array($tasks[$curday])) {
// Add tasks to calendar
foreach ($tasks[$curday] as $task) {
echo '< a href = "blog.php?action=execute_task&blog_id='.$task['blog_id'].'&task_id='.stripslashes(
$task['task_id']
).'" title="'.$task['title'].' : '.get_lang(
'InBlog'
).' : '.$task['blog_name'].' - '.get_lang(
'ExecuteThisTask'
).'">< img src = "../img/blog_task.gif" alt = "Task" title = "'.get_lang(
'ExecuteThisTask'
).'" />< / a > ';
}
}
}
echo "< / td > \n";
$curday++;
} else {
echo "< td > < / td > \n";
}
}
echo "< / tr > \n";
}
echo "< / table > \n";
}
/**
* Blog admin | Display the form to add a new blog.
*
*/
public static function display_new_blog_form()
{
$form = new FormValidator('add_blog', 'post', 'blog_admin.php?action=add');
$form->addElement('header', get_lang('AddBlog'));
$form->addElement('text', 'blog_name', get_lang('Title'));
$form->addElement('textarea', 'blog_subtitle', get_lang('Subtitle'));
$form->addElement('hidden', 'new_blog_submit', 'true');
$form->addElement('style_submit_button', null, get_lang('SaveProject'));
$defaults = array();
$defaults['blog_name'] = Security::remove_XSS($_POST['blog_name']);
$defaults['blog_subtitle'] = Security::remove_XSS($_POST['blog_subtitle']);
$form->setDefaults($defaults);
$form->display();
}
/**
* Blog admin | Display the form to edit a blog.
*
*/
public static function display_edit_blog_form($blog_id)
{
$course_id = api_get_course_int_id();
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "SELECT blog_id, blog_name, blog_subtitle FROM $tbl_blogs WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."'";
$result = Database::query($sql);
$blog = Database::fetch_array($result);
// the form contained errors but we do not want to lose the changes the user already did
if ($_POST) {
$blog['blog_name'] = Security::remove_XSS($_POST['blog_name']);
$blog['blog_subtitle'] = Security::remove_XSS($_POST['blog_subtitle']);
}
$form = new FormValidator('edit_blog', 'post', 'blog_admin.php?action=edit& blog_id='.Security::remove_XSS(
$_GET['blog_id']
));
$form->addElement('header', get_lang('EditBlog'));
$form->addElement('text', 'blog_name', get_lang('Title'));
$form->addElement('textarea', 'blog_subtitle', get_lang('Subtitle'));
$form->addElement('hidden', 'edit_blog_submit', 'true');
$form->addElement('hidden', 'blog_id', $blog['blog_id']);
$form->addElement('style_submit_button', null, get_lang('Save'));
$defaults = array();
$defaults['blog_name'] = $blog['blog_name'];
$defaults['blog_subtitle'] = $blog['blog_subtitle'];
$form->setDefaults($defaults);
$form->display();
}
/**
* Blog admin | Returns table with blogs in this course
*/
public static function display_blog_list()
{
global $charset, $_user;
$course_id = api_get_course_int_id();
// Init
$counter = 0;
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
//condition for the session
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id, false);
$sql = "SELECT blog_name,blog_subtitle,visibility,blog_id FROM $tbl_blogs WHERE c_id = $course_id ORDER BY date_creation DESC";
$result = Database::query($sql);
if (Database::num_rows($result)) {
while ($row_project = Database::fetch_row($result)) {
$list_info[] = $row_project;
}
}
$list_content_blog = array();
$list_body_blog = array();
if (is_array($list_info)) {
foreach ($list_info as $key => $info_log) {
//validacion when belongs to a session
$session_img = api_get_session_image($info_log[4], $_user['status']);
$url_start_blog = 'blog.php'."?"."blog_id=".$info_log[3]."& ".api_get_cidreq();
$title = $info_log[0];
$image = '< img src = "../img/blog.gif" border = "0" align = "absmiddle" alt = "'.$title.'" > '."\n";
$list_name = '< div style = "float: left; width: 35px; height: 22px;" > < a href = "'.$url_start_blog.'" > '.$image.'< / a > < / div > < a href = "'.$url_start_blog.'" > '.$title.'< / a > '.$session_img."\n";
$list_body_blog[] = $list_name;
$list_body_blog[] = $info_log[1];
$visibility_icon = ($info_log[2] == 0) ? 'invisible' : 'visible';
$visibility_info = ($info_log[2] == 0) ? 'Visible' : 'Invisible';
$my_image .= '< a href = "'.api_get_self().'?action=edit&blog_id='.$info_log[3].'" > ';
$my_image .= '< img src = "../img/edit.gif" border = "0" title = "'.get_lang('EditBlog').'" / > ';
$my_image .= "< / a > \n";
$my_image .= '< a href = "'.api_get_self().'?action=delete&blog_id='.$info_log[3].'" ' ;
$my_image .= 'onclick="javascript:if(!confirm(\''.addslashes(
api_htmlentities(get_lang("ConfirmYourChoice"), ENT_QUOTES, $charset)
).'\')) return false;" >';
$my_image .= '< img src = "../img/delete.gif" border = "0" title = "'.get_lang('DeleteBlog').'" / > ';
$my_image .= "< / a > \n";
$my_image .= '< a href = "'.api_get_self().'?action=visibility&blog_id='.$info_log[3].'" > ';
$my_image .= '< img src = "../img/'.$visibility_icon.'.gif" border = "0" title = "'.get_lang(
$visibility_info
).'" />';
$my_image .= "< / a > \n";
$list_body_blog[] = $my_image;
$my_image = '';
$list_content_blog[] = $list_body_blog;
$list_body_blog = array();
}
$parameters = '';
//$parameters=array('action'=>Security::remove_XSS($_GET['action']));
$table = new SortableTableFromArrayConfig($list_content_blog, 1, 20, 'project');
//$table->set_additional_parameters($parameters);
$table->set_header(0, get_lang('Title'));
$table->set_header(1, get_lang('Subtitle'));
$table->set_header(2, get_lang('Modify'));
$table->display();
}
}
}
/**
*
* END CLASS BLOG
*
*/
/**
* Show a list with all the attachments according the parameter's
* @param the blog's id
* @param the post's id
* @param the comment's id
* @return array with the post info according the parameters
* @author Julio Montoya Dokeos
* @version avril 2008, dokeos 1.8.5
*/
function get_blog_attachment($blog_id, $post_id = null, $comment_id = null)
{
$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$blog_id = Database::escape_string($blog_id);
$comment_id = Database::escape_string($comment_id);
$post_id = Database::escape_string($post_id);
$row = array();
$where = '';
if (!empty ($post_id) & & is_numeric($post_id)) {
$where .= ' AND post_id ="'.$post_id.'" ';
}
if (!empty ($comment_id) & & is_numeric($comment_id)) {
if (!empty ($post_id)) {
$where .= ' AND ';
}
$where .= ' comment_id ="'.$comment_id.'" ';
}
$course_id = api_get_course_int_id();
$sql = 'SELECT path, filename, comment FROM '.$blog_table_attachment.' WHERE c_id = '.$course_id.' AND blog_id ="'.intval(
$blog_id
).'" '.$where;
$result = Database::query($sql);
if (Database::num_rows($result) != 0) {
$row = Database::fetch_array($result);
}
return $row;
}
/**
* Delete the all the attachments according the parameters.
* @param the blog's id
* @param the post's id
* @param the comment's id
* @author Julio Montoya Dokeos
* @version avril 2008, dokeos 1.8.5
*/
function delete_all_blog_attachment($blog_id, $post_id = null, $comment_id = null)
{
$_course = api_get_course_info();
$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$blog_id = Database::escape_string($blog_id);
$comment_id = Database::escape_string($comment_id);
$post_id = Database::escape_string($post_id);
$course_id = api_get_course_int_id();
// delete files in DB
if (!empty ($post_id) & & is_numeric($post_id)) {
$where .= ' AND post_id ="'.$post_id.'" ';
}
if (!empty ($comment_id) & & is_numeric($comment_id)) {
if (!empty ($post_id)) {
$where .= ' AND ';
}
$where .= ' comment_id ="'.$comment_id.'" ';
}
// delete all files in directory
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
$sql = 'SELECT path FROM '.$blog_table_attachment.' WHERE c_id = '.$course_id.' AND blog_id ="'.intval(
$blog_id
).'" '.$where;
$result = Database::query($sql);
while ($row = Database::fetch_row($result)) {
$file = $updir.'/'.$row[0];
if (Security::check_abs_path($file, $updir)) {
@ unlink($file);
}
}
$sql = 'DELETE FROM '.$blog_table_attachment.' WHERE c_id = '.$course_id.' AND blog_id ="'.intval(
$blog_id
).'" '.$where;
Database::query($sql);
}
/**
* Gets all the post from a given user id
* @param string db course name
* @param int user id
*/
function get_blog_post_from_user($course_code, $user_id)
{
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blog_post = Database::get_course_table(TABLE_BLOGS_POSTS);
$course_info = api_get_course_info($course_code);
$course_id = $course_info['real_id'];
$sql = "SELECT DISTINCT blog.blog_id, post_id, title, full_text, post.date_creation
FROM $tbl_blogs blog INNER JOIN $tbl_blog_post post
ON (blog.blog_id = post.blog_id)
WHERE
blog.c_id = $course_id AND
post.c_id = $course_id AND
author_id = $user_id AND visibility = 1
ORDER BY post.date_creation DESC ";
$result = Database::query($sql);
$return_data = '';
if (Database::num_rows($result) != 0) {
while ($row = Database::fetch_array($result)) {
$return_data .= '< div class = "clear" > < / div > < br / > ';
$return_data .= '< div class = "actions" style = "margin-left:5px;margin-right:5px;" > '.Display::return_icon(
'blog_article.png',
get_lang('BlogPosts')
).' '.$row['title'].' < div style = "float:right;margin-top:-18px" > < a href = "../blog/blog.php?blog_id='.$row['blog_id'].'&gidReq=&cidReq='.$my_course_id.' " > '.get_lang(
'SeeBlog'
).'< / a > < / div > < / div > ';
$return_data .= '< br / > ';
$return_data .= $row['full_text'];
$return_data .= '< br / > < br / > ';
}
}
return $return_data;
}
/**
* Gets all the post comments from a given user id
* @param string db course name
* @param int user id
*/
function get_blog_comment_from_user($course_code, $user_id)
{
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blog_comment = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$user_id = Database::escape_string($user_id);
$course_info = api_get_course_info($course_code);
$course_id = $course_info['real_id'];
$sql = "SELECT DISTINCT blog.blog_id, comment_id, title, comment, comment.date_creation
FROM $tbl_blogs blog INNER JOIN $tbl_blog_comment comment
ON (blog.blog_id = comment.blog_id)
WHERE blog.c_id = $course_id AND
comment.c_id = $course_id AND
author_id = $user_id AND
visibility = 1
ORDER BY blog_name";
$result = Database::query($sql);
$return_data = '';
if (Database::num_rows($result) != 0) {
while ($row = Database::fetch_array($result)) {
$return_data .= '< div class = "clear" > < / div > < br / > ';
$return_data .= '< div class = "actions" style = "margin-left:5px;margin-right:5px;" > '.$row['title'].' < div style = "float:right;margin-top:-18px" > < a href = "../blog/blog.php?blog_id='.$row['blog_id'].'&gidReq=&cidReq='.Security::remove_XSS(
$course_code
).' " >'.get_lang('SeeBlog').'< / a > < / div > < / div > ';
$return_data .= '< br / > ';
//$return_data.= '< strong > '.$row['title'].'< / strong > '; echo '< br > ';*/
$return_data .= $row['comment'];
$return_data .= '< br / > ';
}
}
return $return_data;
}
?>
