Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/blog.lib.php

3179 lines
123 KiB

<?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($result)) {
echo '<li><a href="blog.php?action=execute_task&amp;blog_id='.$mytask['blog_id'].'&amp;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&amp;blog_id='.$blog_id.'&amp;post_id='.$blog_post['post_id'].'#add_comment" title="'.get_lang(
'ReadPost'
).'" >'.stripslashes($blog_post['title']).'</a></span>';
echo '<span class="blogpost_date"><a href="blog.php?action=view_post&amp;blog_id='.$blog_id.'&amp;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' => $username)
).' - <a href="blog.php?action=view_post&amp;blog_id='.$blog_id.'&amp;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)) {
$blog_post_actions .= '<a href="blog.php?action=edit_post&amp;blog_id='.$blog_id.'&amp;post_id='.$post_id.'&amp;article_id='.$blog_post['post_id'].'&amp;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)) {
$blog_post_actions .= '<a href="blog.php?action=view_post&amp;blog_id='.$blog_id.'&amp;post_id='.$post_id.'&amp;do=delete_article&amp;article_id='.$blog_post['post_id'].'&amp;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&amp;blog_id='.$blog_id.'&amp;post_id='.$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)) {
$blog_comment_actions .= '<a href="blog.php?action=view_post&amp;blog_id='.$blog_id.'&amp;post_id='.$post_id.'&amp;do=delete_comment&amp;comment_id='.$comment['comment_id'].'&amp;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 $color2;
echo '<div class="actions">';
echo '<a href="'.api_get_self(
).'?action=manage_tasks&amp;blog_id='.$blog_id.'&amp;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&amp;blog_id='.$blog_id.'&amp;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&amp;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&amp;blog_id='.$task['blog_id'].'&amp;do=delete&amp;task_id='.$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: #'.$task['color'].'">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span></td>',
'<td width="50">',
'<a href="'.api_get_self(
).'?action=manage_tasks&amp;blog_id='.$task['blog_id'].'&amp;do=edit&amp;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&amp;blog_id='.$assignment['blog_id'].'&amp;do=delete&amp;task_id='.$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&amp;blog_id='.$assignment['blog_id'].'&amp;do=edit_assignment&amp;task_id='.$assignment['task_id'].'&amp;user_id='.$assignment['user_id'].'">',
'<img src="../img/edit.gif" border="0" title="'.get_lang('EditTask').'" />',
"</a>\n",
'<a href="'.api_get_self(
).'?action=manage_tasks&amp;blog_id='.$assignment['blog_id'].'&amp;do=delete_assignment&amp;task_id='.$assignment['task_id'].'&amp;user_id='.$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
$colors = array(
'FFFFFF',
'FFFF99',
'FFCC99',
'FF9933',
'FF6699',
'CCFF99',
'CC9966',
'66FF00',
'9966FF',
'CF3F3F',
'990033',
'669933',
'0033FF',
'003366',
'000000'
);
// form
echo '<form name="add_task" method="post" action="blog.php?action=manage_tasks&amp;blog_id='.$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.'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</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&amp;blog_id='.$blog_id.'">
<legend>'.get_lang('EditTask').'</legend>
<table width="100%" border="0" cellspacing="2">
<tr>
<td align="right">'.get_lang('Title').':&nbsp;&nbsp;</td>
<td><input name="task_name" type="text" size="70" value="'.Security::remove_XSS($task['title']).'" /></td>
</tr>
<tr>
<td align="right">'.get_lang('Description').':&nbsp;&nbsp;</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'
).':&nbsp;&nbsp;</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',
$arrPermissions
)) ? 'checked ' : '').'id="commentsDelete" name="chkCommentsDelete" type="checkbox" /></td>'."\n";
echo "\t\t\t\t".'</tr>'."\n";
echo "\t\t\t".'</table>'."\n";
echo "\t\t".'</td>'."\n";
echo "\t".'</tr>'."\n";
/* end of edit */
echo '<tr>
<td align="right">'.get_lang('Color').':&nbsp;&nbsp;</td>
<td>
<select name="task_color" id="color" style="width: 150px; background-color: #'.$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.' '.$selected.' >&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</option>';
}
echo ' </select>
</td>
</tr>
<tr>
<td align="right">&nbsp;</td>
<td><br /><input type="hidden" name="action" value="" />
<input type="hidden" name="edit_task_submit" value="true" />
<input type="hidden" name="task_id" value="'.$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>';
}
$select_task_list .= '</select>';
// form
echo '<form name="assign_task" method="post" action="blog.php?action=manage_tasks&amp;blog_id='.$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>';
}
$select_task_list .= '</select>';
// Display
echo '<form name="assign_task" method="post" action="blog.php?action=manage_tasks&amp;blog_id='.$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').':&nbsp;&nbsp;</td>
<td>'.$select_user_list.'</td>
</tr>
<tr>
<td align="right">'.get_lang('SelectTask').':&nbsp;&nbsp;</td>
<td>'.$select_task_list.'</td>
</tr>
<tr>
<td align="right">'.get_lang('SelectTargetDate').':&nbsp;&nbsp;</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."\">".$value."</option>\n";
}
echo '</select>
<a title="Kalender" href="javascript:openCalendar(\'assign_task\', \'task_\')"><img src="../img/calendar_select.gif" border="0" align="absmiddle"/></a>
</td>
</tr>
<tr>
<td align="right">&nbsp;</td>
<input type="hidden" name="action" value="" />
<input type="hidden" name="old_task_id" value="'.$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'), $blog_post['username']), ENT_QUOTES);
echo '<a href="blog.php?action=execute_task&amp;blog_id='.$blog_id.'&amp;task_id='.$task_id.'&amp;post_id='.$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']) {
$row[] = "<a class=\"btn \" href=\"".api_get_self(
)."?action=manage_members&amp;blog_id=$blog_id&amp;register=yes&amp;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'] = $blog_id;
echo '<form method="post" action="blog.php?action=manage_members&amp;blog_id='.$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']).'&amp;' : '';
$link .= "blog_id=$blog_id&amp;";
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']) {
$row[] = "<a class=\"btn\" href=\"".api_get_self(
)."?action=manage_members&amp;blog_id=$blog_id&amp;unregister=yes&amp;user_id=".$myrow[user_id]."\">".get_lang(
'UnRegister'
)."</a>";
} else {
$row[] = '';
}
$user_data[] = $row;
}
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '<form method="post" action="blog.php?action=manage_members&amp;blog_id='.$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']).'&amp;' : '';
$link .= "blog_id=$blog_id&amp;";
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&amp;blog_id='.intval(
$blog_id
).'&amp;post_id='.intval($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']."&amp;filter=".Security::remove_XSS(
$_GET['filter']
)."&amp;month=".($month == 1 ? 12 : $month - 1)."&amp;year=".($month == 1 ? $year - 1 : $year);
$forewardsURL = api_get_self()."?blog_id=".(int)$_GET['blog_id']."&amp;filter=".Security::remove_XSS(
$_GET['filter']
)."&amp;month=".($month == 12 ? 1 : $month + 1)."&amp;year=".($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&amp;blog_id=' . $mytask['blog_id'] . '&amp;task_id='.stripslashes($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, "\">&laquo;</a></th>\n",
"<th align=\"center\" width=\"80%\" colspan=\"5\">", $monthName, " ", $year, "</th>\n",
"<th width=\"10%\" align=\"right\"><a href=\"", $forewardsURL, "\">&raquo;</a></th>\n", "</tr>\n";
echo "<tr>\n";
for ($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.'&amp;filter='.$year.'-'.$month.'-'.$curday.'&amp;month='.$month.'&amp;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 $task) {
echo '<a href="blog.php?action=execute_task&amp;blog_id='.$task['blog_id'].'&amp;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>&nbsp;</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]."&amp;".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';
$my_image .= '<a href="'.api_get_self().'?action=edit&amp;blog_id='.$info_log[3].'">';
$my_image .= '<img src="../img/edit.gif" border="0" title="'.get_lang('EditBlog').'" />';
$my_image .= "</a>\n";
$my_image .= '<a href="'.api_get_self().'?action=delete&amp;blog_id='.$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";
$my_image .= '<a href="'.api_get_self().'?action=visibility&amp;blog_id='.$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'].'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<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'].'&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<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;
}
?>