<?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);
$this_blog_id = Database::insert_id();
//update item_property (update)
api_item_property_update(api_get_course_info(), TOOL_BLOGS, intval($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($sql);
//update item_property (delete)
api_item_property_update(api_get_course_info(), TOOL_BLOGS, intval($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)
{
$_user = api_get_user_info();
$_course = api_get_course_info();
$course_id = api_get_course_int_id();
$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$upload_ok=true;
$has_attachment=false;
$current_date = api_get_utc_datetime();
if (!empty($_FILES['user_upload']['name'])) {
$upload_ok = process_uploaded_file($_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
$new_file_name = add_ext_on_mime(stripslashes($_FILES['user_upload']['name']), $_FILES['user_upload']['type']);
// user's file name
$file_name =$_FILES['user_upload']['name'];
if (!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)."', '".$comment."', '".Database::escape_string($new_file_name)."' , '".$last_post_id."', '".intval($_FILES['user_upload']['size'])."', '".$blog_id."', '0' )";
Database::query($sql);
//Display::display_confirmation_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')
{
$_user = api_get_user_info();
$_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'])) {
$upload_ok = process_uploaded_file($_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
$last_id = Database::insert_id();
if ($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
$new_file_name = add_ext_on_mime(
stripslashes($_FILES['user_upload']['name']),
$_FILES['user_upload']['type']
);
// user's file name
$file_name =$_FILES['user_upload']['name'];
if (!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)."', '".$comment."', '".Database::escape_string($new_file_name)."' , '".$post_id."', '".$_FILES['user_upload']['size']."', '".$blog_id."', '".$last_id."' )";
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)
{
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$blog_id = intval($blog_id);
$post_id = intval($post_id);
$comment_id = intval($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 = $course_id AND blog_id = '".$blog_id."' AND item_id = '".$comment_id."' AND rating_type = 'comment'";
Database::query($sql);
// select comments that have the selected comment as their parent
$sql = "SELECT comment_id FROM $tbl_blogs_comments
WHERE c_id = $course_id AND parent_comment_id = '".$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 = $course_id AND comment_id = '".$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)
{
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
$course_id = api_get_course_int_id();
// Create the task
$sql = "UPDATE $tbl_blogs_tasks SET
title = '".Database::escape_string($title)."',
description = '".Database::escape_string($description)."',
color = '".Database::escape_string($color)."'
WHERE c_id = $course_id AND task_id ='".(int)$task_id."' LIMIT 1";
Database::query($sql);
$tool = 'BLOG_' . $blog_id;
$sql = "DELETE FROM " . $tbl_tasks_permissions . "
WHERE c_id = $course_id AND task_id = '" . (int)$task_id."'";
Database::query($sql);
if ($articleDelete == 'on') {
$sql = "INSERT INTO " . $tbl_tasks_permissions . " ( c_id, task_id, tool, action) VALUES (
'" . (int)$course_id . "',
'" . (int)$task_id . "',
'" . Database::escape_string($tool) . "',
'article_delete'
)";
Database::query($sql);
}
if($articleEdit == 'on') {
$sql = "INSERT INTO " . $tbl_tasks_permissions . " (c_id, task_id, tool, action) VALUES (
'" . (int)$course_id . "',
'" . (int)$task_id . "',
'" . Database::escape_string($tool) . "',
'article_edit'
)";
Database::query($sql);
}
if($commentsDelete == 'on') {
$sql = " INSERT INTO " . $tbl_tasks_permissions . " (c_id, task_id, tool, action) VALUES (
'" . (int)$course_id . "',
'" . (int)$task_id . "',
'" . Database::escape_string($tool) . "',
'article_comments_delete'
)";
Database::query($sql);
}
}
/**
* Deletes a task from a blog
* @param Integer $blog_id
* @param Integer $task_id
*/
public static function delete_task ($blog_id, $task_id) {
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$course_id = api_get_course_int_id();
// Delete posts
$sql = "DELETE FROM $tbl_blogs_tasks
WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND task_id = '".(int)$task_id."'";
Database::query($sql);
}
/**
* Deletes an assigned task from a blog
* @param Integer $blog_id
* @param Integer $assignment_id
*/
public static function delete_assigned_task ($blog_id, $task_id, $user_id)
{
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
// Delete posts
$sql = "DELETE FROM $tbl_blogs_tasks_rel_user
WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND task_id = '".(int)$task_id."' AND user_id = '".(int)$user_id."'";
Database::query($sql);
}
/**
* Get personal task list
* @author Toon Keppens
* @return Returns an unsorted list (< ul > < / ul > ) with the users' tasks
*/
public static function get_personal_task_list () {
global $_user;
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$course_id = api_get_course_int_id();
if($_user['user_id']) {
$sql = "SELECT task_rel_user.*, task.title, blog.blog_name FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_blogs blog ON task_rel_user.blog_id = blog.blog_id
AND blog.blog_id = ".intval($_GET['blog_id'])."
WHERE
task.c_id = $course_id AND
blog.c_id = $course_id AND
task_rel_user.c_id = $course_id AND
task_rel_user.user_id = ".(int)$_user['user_id']."
ORDER BY target_date ASC";
$result = Database::query($sql);
if (Database::num_rows($result) > 0) {
echo '< ul > ';
while($mytask = Database::fetch_array($result)) {
echo '< li > < a href = "blog.php?action=execute_task&blog_id=' . $mytask['blog_id'] . '&task_id='.stripslashes($mytask['task_id']) . '" title = "[Blog: '.stripslashes($mytask['blog_name']) . '] ' . get_lang('ExecuteThisTask') . '" > '.stripslashes($mytask['title']) . '< / a > < / li > ';
}
echo '< ul > ';
} else {
echo get_lang('NoTasks');
}
} else {
echo get_lang('NoTasks');
}
}
/**
* Changes the visibility of a blog
* @author Toon Keppens
* @param Integer $blog_id
*/
public static function change_blog_visibility($blog_id)
{
// Init
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_tool = Database::get_course_table(TABLE_TOOL_LIST);
$course_id = api_get_course_int_id();
// Get blog properties
$sql = "SELECT blog_name, visibility FROM $tbl_blogs
WHERE c_id = $course_id AND blog_id='".(int)$blog_id."'";
$result = Database::query($sql);
$blog = Database::fetch_array($result);
$visibility = $blog['visibility'];
$title = $blog['blog_name'];
if($visibility == 1)
{
// Change visibility state, remove from course home.
$sql = "UPDATE $tbl_blogs SET visibility = '0' WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."' LIMIT 1";
$result = Database::query($sql);
$sql = "DELETE FROM $tbl_tool WHERE c_id = $course_id AND name = '".Database::escape_string($title)."' LIMIT 1";
$result = Database::query($sql);
}
else
{
// Change visibility state, add to course home.
$sql = "UPDATE $tbl_blogs SET visibility = '1' WHERE c_id = $course_id AND blog_id ='".(int)$blog_id."' LIMIT 1";
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')";
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'];
$blog_post_text = make_clickable(stripslashes($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)
$words = 0;
$blog_post_text_cut = cut($blog_post_text, $limit) ;
$words = strlen($blog_post_text);
if ($words >= $limit) {
$readMoreLink = ' < div class = "link" onclick = "document.getElementById(\'blogpost_text_' . $blog_post_id . '\').style.display=\'block\'; document.getElementById(\'blogpost_introduction_' . $blog_post_id . '\').style.display=\'none\'" > ' . get_lang('ReadMore') . '< / div > ';
$introduction_text = $blog_post_text_cut;
} else {
$introduction_text = $blog_post_text;
$readMoreLink = '';
}
$introduction_text = stripslashes($introduction_text);
echo '< div class = "blogpost" > ';
echo '< span class = "blogpost_title" > < a href = "blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" title = "' . get_lang('ReadPost') . '" > '.stripslashes($blog_post['title']) . '< / a > < / span > ';
echo '< span class = "blogpost_date" > < a href = "blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" title = "' . get_lang('ReadPost') . '" > ' . $blog_post_date . '< / a > < / span > ';
echo '< div class = "blogpost_introduction" id = "blogpost_introduction_'.$blog_post_id.'" > ' . $introduction_text.$readMoreLink.'< / div > ';
echo '< div class = "blogpost_text" id = "blogpost_text_' . $blog_post_id . '" style = "display: none" > ' . $blog_post_text . '< / div > ';
$file_name_array = get_blog_attachment($blog_id,$blog_post_id,0);
if (!empty($file_name_array)) {
echo '< br / > < br / > ';
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '< a href = "download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' < / a > < br / > ';
echo '< / span > ';
}
$username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
echo '< span class = "blogpost_info" > ' . get_lang('Author') . ': ' . Display::tag('span', api_get_person_name($blog_post['firstname'], $blog_post['lastname']), array('title'=>$username)) .' - < a href = "blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" title = "' . get_lang('ReadPost') . '" > ' . get_lang('Comments') . ': ' . $blog_post_comments['number_of_comments'] . '< / a > < / span > '."\n";
echo '< / div > ';
}
} else {
if($filter == '1=1') {
echo get_lang('NoArticles');
} else {
echo get_lang('NoArticleMatches');
}
}
}
/**
* Display the search results
*
* @param Integer $blog_id
* @param String $query_string
*/
public static function display_search_results ($blog_id, $query_string) {
// Init
$query_string = Database::escape_string($query_string);
$query_string_parts = explode(' ',$query_string);
$query_string = array();
foreach ($query_string_parts as $query_part) {
$query_string[] = " full_text LIKE '%" . $query_part."%' OR title LIKE '%" . $query_part."%' ";
}
$query_string = '('.implode('OR',$query_string) . ')';
// Display the posts
echo '< span class = "blogpost_title" > ' . get_lang('SearchResults') . '< / span > ';
Blog::display_blog_posts($blog_id, $query_string);
}
/**
* Display posts from a certain date
*
* @param Integer $blog_id
* @param String $query_string
*/
public static function display_day_results ($blog_id, $query_string) {
// Init
$date_output = $query_string;
$date = explode('-',$query_string);
$query_string = ' DAYOFMONTH(date_creation) =' . intval($date[2]) . ' AND MONTH(date_creation) =' . intval($date[1]) . ' AND YEAR(date_creation) =' . intval($date[0]);
// Put date in correct output format
$date_output = api_format_date($date_output, DATE_FORMAT_LONG);
// Display the posts
echo '< span class = "blogpost_title" > ' . get_lang('PostsOf') . ': ' . $date_output . '< / span > ';
Blog::display_blog_posts($blog_id, $query_string);
}
/**
* Displays a post and his comments
*
* @param Integer $blog_id
* @param Integer $post_id
*/
public static function display_post ($blog_id, $post_id) {
// Init
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
global $charset,$dateFormatLong;
$course_id = api_get_course_int_id();
// Get posts and author
$sql = "SELECT post.*, user.lastname, user.firstname, user.username FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE
post.c_id = $course_id AND
post.blog_id = '".(int)$blog_id."' AND
post.post_id = '".(int)$post_id."'
ORDER BY post_id DESC";
$result = Database::query($sql);
$blog_post = Database::fetch_array($result);
// Get number of comments
$sql = "SELECT COUNT(1) as number_of_comments FROM $tbl_blogs_comments WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND post_id = '".(int)$post_id."'";
$result = Database::query($sql);
$blog_post_comments = Database::fetch_array($result);
// Prepare data
$blog_post_text = make_clickable(stripslashes($blog_post['full_text']));
$blog_post_date = api_convert_and_format_date($blog_post['date_creation'], null, date_default_timezone_get());
$blog_post_actions = "";
$task_id = (isset($_GET['task_id']) & & is_numeric($_GET['task_id'])) ? intval($_GET['task_id']) : 0;
if(api_is_allowed('BLOG_' . $blog_id, 'article_edit', $task_id))
$blog_post_actions .= '< a href = "blog.php?action=edit_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '&article_id=' . $blog_post['post_id'] . '&task_id=' . $task_id . '" title = "' . get_lang('EditThisPost') . '" > < img src = "../img/edit.gif" / > < / a > ';
if(api_is_allowed('BLOG_' . $blog_id, 'article_delete', $task_id))
$blog_post_actions .= '< a href = "blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '&do=delete_article&article_id=' . $blog_post['post_id'] . '&task_id=' . $task_id . '" title = "' . get_lang('DeleteThisArticle') . '" onclick = "javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang(" ConfirmYourChoice " ) , ENT_QUOTES , $ charset ) ) . ' \ ' ) ) return false ; " > < img src = "../img/delete.gif" border = "0" / > < / a > ';
if(api_is_allowed('BLOG_' . $blog_id, 'article_rate'))
$rating_select = Blog::display_rating_form('post',$blog_id,$post_id);
$blog_post_text=stripslashes($blog_post_text);
// Display post
echo '< div class = "blogpost" > ';
echo '< span class = "blogpost_title" > < a href = "blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $blog_post['post_id'] . '" title = "' . get_lang('ReadPost') . '" > '.stripslashes($blog_post['title']) . '< / a > < / span > ';
echo '< span class = "blogpost_date" > ' . $blog_post_date . '< / span > ';
echo '< span class = "blogpost_text" > ' . $blog_post_text . '< / span > < br / > ';
$file_name_array=get_blog_attachment($blog_id,$post_id);
if (!empty($file_name_array))
{
echo ' < br / > ';
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '< a href = "download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' < / a > ';
echo '< / span > ';
echo '< span class = "attachment_comment" > ';
echo $file_name_array['comment'];
echo '< / span > ';
echo '< br / > ';
}
$username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
echo '< span class = "blogpost_info" > '.get_lang('Author').': ' .Display::tag('span', api_get_person_name($blog_post['firstname'], $blog_post['lastname']), array('title'=>$username)).' - '.get_lang('Comments').': '.$blog_post_comments['number_of_comments'].' - '.get_lang('Rating').': '.Blog::display_rating('post',$blog_id,$post_id).$rating_select.'< / span > ';
echo '< span class = "blogpost_actions" > ' . $blog_post_actions . '< / span > ';
echo '< / div > ';
// Display comments if there are any
if($blog_post_comments['number_of_comments'] > 0)
{
echo '< div class = "comments" > ';
echo '< span class = "blogpost_title" > ' . get_lang('Comments') . '< / span > < br / > ';
Blog::get_threaded_comments(0, 0, $blog_id, $post_id, $task_id);
echo '< / div > ';
}
// Display comment form
if(api_is_allowed('BLOG_' . $blog_id, 'article_comments_add'))
{
Blog::display_new_comment_form($blog_id, $post_id, $blog_post['title']);
}
}
/**
* Adds rating to a certain post or comment
* @author Toon Keppens
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
* @param Integer $rating
*
* @return Boolean success
*/
public static function add_rating ($type, $blog_id, $item_id, $rating) {
global $_user;
// Init
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
// Check if the user has already rated this post/comment
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE c_id = $course_id AND
blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$item_id."'
AND rating_type = '".Database::escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = Database::query($sql);
if(Database::num_rows($result) == 0) // Add rating
{
$sql = "INSERT INTO $tbl_blogs_rating (c_id, blog_id, rating_type, item_id, user_id, rating )
VALUES ($course_id, '".(int)$blog_id."', '".Database::escape_string($type)."', '".(int)$item_id."', '".(int)$_user['user_id']."', '".Database::escape_string($rating)."')";
$result = Database::query($sql);
return true;
}
else // Return
{
return false;
}
}
/**
* Shows the rating of user
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
*
* @return array()
*/
public static function display_rating ($type, $blog_id, $item_id) {
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
// Calculate rating
$sql = "SELECT AVG(rating) as rating FROM $tbl_blogs_rating WHERE c_id = $course_id AND blog_id = '".(int)$blog_id."' AND item_id = '".(int)$item_id."' AND rating_type = '".Database::escape_string($type)."' ";
$result = Database::query($sql);
$result = Database::fetch_array($result);
return round($result['rating'], 2);
}
/**
* Shows the rating form if not already rated by that user
* @author Toon Keppens
*
* @param String $type
* @param Integer $blog_id
* @param Integer $item_id
*
*@return String
*/
public static function display_rating_form ($type, $blog_id, $post_id, $comment_id = NULL) {
global $_user;
$tbl_blogs_rating = Database::get_course_table(TABLE_BLOGS_RATING);
$course_id = api_get_course_int_id();
if($type == 'post')
{
// Check if the user has already rated this post
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE c_id = $course_id AND
blog_id = '".(int)$blog_id."'
AND item_id = '".(int)$post_id."'
AND rating_type = '".Database::escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = Database::query($sql);
if(Database::num_rows($result) == 0) // Add rating
{
return ' - ' . get_lang('RateThis') . ': < form method = "get" action = "blog.php" style = "display: inline" id = "frm_rating_' . $type . '_' . $post_id . '" name = "frm_rating_' . $type . '_' . $post_id . '" > < select name = "rating" onchange = "document.forms[\'frm_rating_' . $type . '_' . $post_id . '\'].submit()" > < option value = "" > -< / option > < option value = "1" > 1< / option > < option value = "2" > 2< / option > < option value = "3" > 3< / option > < option value = "4" > 4< / option > < option value = "5" > 5< / option > < option value = "6" > 6< / option > < option value = "7" > 7< / option > < option value = "8" > 8< / option > < option value = "9" > 9< / option > < option value = "10" > 10< / option > < / select > < input type = "hidden" name = "action" value = "view_post" / > < input type = "hidden" name = "type" value = "' . $type . '" / > < input type = "hidden" name = "do" value = "rate" / > < input type = "hidden" name = "blog_id" value = "' . $blog_id . '" / > < input type = "hidden" name = "post_id" value = "' . $post_id . '" / > < / form > ';
}
else // Return
{
return '';
}
}
if($type = 'comment')
{
// Check if the user has already rated this comment
$sql = "SELECT rating_id FROM $tbl_blogs_rating
WHERE c_id = $course_id AND blog_id = '".(int)$blog_id ."'
AND item_id = '".(int)$comment_id."'
AND rating_type = '".Database::escape_string($type)."'
AND user_id = '".(int)$_user['user_id']."'";
$result = Database::query($sql);
if(Database::num_rows($result) == 0) // Add rating
{
return ' - ' . get_lang('RateThis') . ': < form method = "get" action = "blog.php" style = "display: inline" id = "frm_rating_' . $type . '_' . $comment_id . '" name = "frm_rating_' . $type . '_' . $comment_id . '" > < select name = "rating" onchange = "document.forms[\'frm_rating_' . $type . '_' . $comment_id . '\'].submit()" > < option value = "" > -< / option > < option value = "1" > 1< / option > < option value = "2" > 2< / option > < option value = "3" > 3< / option > < option value = "4" > 4< / option > < option value = "5" > 5< / option > < option value = "6" > 6< / option > < option value = "7" > 7< / option > < option value = "8" > 8< / option > < option value = "9" > 9< / option > < option value = "10" > 10< / option > < / select > < input type = "hidden" name = "action" value = "view_post" / > < input type = "hidden" name = "type" value = "' . $type . '" / > < input type = "hidden" name = "do" value = "rate" / > < input type = "hidden" name = "blog_id" value = "' . $blog_id . '" / > < input type = "hidden" name = "post_id" value = "' . $post_id . '" / > < input type = "hidden" name = "comment_id" value = "' . $comment_id . '" / > < / form > ';
}
else // Return
{
return '';
}
}
}
/**
* This functions gets all replys to a post, threaded.
*
* @param Integer $current
* @param Integer $current_level
* @param Integer $blog_id
* @param Integer $post_id
*/
public static function get_threaded_comments ($current = 0, $current_level = 0, $blog_id, $post_id, $task_id = 0) {
// Init
$tbl_blogs_comments = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
global $charset,$dateFormatLong;
$course_id = api_get_course_int_id();
// Select top level comments
$next_level = $current_level + 1;
$sql = "SELECT comments.*, user.lastname, user.firstname, user.username, task.color
FROM $tbl_blogs_comments comments
INNER JOIN $tbl_users user ON comments.author_id = user.user_id
LEFT JOIN $tbl_blogs_tasks task ON comments.task_id = task.task_id AND task.c_id = $course_id
WHERE comments.c_id = $course_id AND
parent_comment_id = $current AND
comments.blog_id = '".(int)$blog_id."' AND
comments.post_id = '".(int)$post_id."'";
$result = Database::query($sql);
while($comment = Database::fetch_array($result)) {
// Select the children recursivly
$tmp = "SELECT comments.*, user.lastname, user.firstname, user.username FROM $tbl_blogs_comments comments
INNER JOIN $tbl_users user ON comments.author_id = user.user_id
WHERE
comments.c_id = $course_id AND
comment_id = $current
AND blog_id = '".(int)$blog_id."'
AND post_id = '".(int)$post_id."'";
$tmp = Database::query($tmp);
$tmp = Database::fetch_array($tmp);
$parent_cat = $tmp['parent_comment_id'];
$border_color = '';
// Prepare data
$comment_text = make_clickable(stripslashes($comment['comment']));
$blog_comment_date = api_convert_and_format_date($comment['date_creation'], null, date_default_timezone_get());
$blog_comment_actions = "";
if(api_is_allowed('BLOG_' . $blog_id, 'article_comments_delete', $task_id)) { $blog_comment_actions .= '< a href = "blog.php?action=view_post&blog_id=' . $blog_id . '&post_id=' . $post_id . '&do=delete_comment&comment_id=' . $comment['comment_id'] . '&task_id=' . $task_id . '" title = "' . get_lang('DeleteThisComment') . '" onclick = "javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang(" ConfirmYourChoice " ) , ENT_QUOTES , $ charset ) ) . ' \ ' ) ) return false ; " > < img src = "../img/delete.gif" border = "0" / > < / a > '; }
if(api_is_allowed('BLOG_' . $blog_id, 'article_comments_rate')) { $rating_select = Blog::display_rating_form('comment', $blog_id, $post_id, $comment['comment_id']); }
if(!is_null($comment['task_id'])) {
$border_color = ' border-left: 3px solid #' . $comment['color'];
}
$comment_text=stripslashes($comment_text);
// Output...
$margin = $current_level * 30;
echo '< div class = "blogpost_comment" style = "margin-left: ' . $margin . 'px;' . $border_color . '" > ';
echo '< span class = "blogpost_comment_title" > < a href = "#add_comment" onclick = "document.getElementById(\'comment_parent_id\').value=\'' . $comment['comment_id'] . '\'; document.getElementById(\'comment_title\').value=\'Re: '.addslashes($comment['title']) . '\'" title = "' . get_lang('ReplyToThisComment') . '" > '.stripslashes($comment['title']) . '< / a > < / span > ';
echo '< span class = "blogpost_comment_date" > ' . $blog_comment_date . '< / span > ';
echo '< span class = "blogpost_text" > ' . $comment_text . '< / span > ';
$file_name_array=get_blog_attachment($blog_id,$post_id, $comment['comment_id']);
if (!empty($file_name_array))
{
echo '< br / > < br / > ';
echo Display::return_icon('attachment.gif',get_lang('Attachment'));
echo '< a href = "download.php?file=';
echo $file_name_array['path'];
echo ' "> '.$file_name_array['filename'].' < / a > ';
echo '< span class = "attachment_comment" > ';
echo $file_name_array['comment'];
echo '< / span > < br / > ';
}
$username = api_htmlentities(sprintf(get_lang('LoginX'), $comment['username']), ENT_QUOTES);
echo '< span class = "blogpost_comment_info" > '.get_lang('Author').': '.Display::tag('span', api_get_person_name($comment['firstname'], $comment['lastname']), array('title'=>$username)).' - '.get_lang('Rating').': '.Blog::display_rating('comment', $blog_id, $comment['comment_id']).$rating_select.'< / span > ';
echo '< span class = "blogpost_actions" > ' . $blog_comment_actions . '< / span > ';
echo '< / div > ';
// Go further down the tree.
Blog::get_threaded_comments( $comment['comment_id'], $next_level, $blog_id, $post_id);
}
}
/**
* Displays the form to create a new post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_form_new_post($blog_id)
{
if (api_is_allowed('BLOG_' . $blog_id, 'article_add')) {
$form = new FormValidator(
'add_post',
'post',
api_get_path(WEB_CODE_PATH)."blog/blog.php?action=new_post& blog_id=" . $blog_id . "& " . api_get_cidreq(),
null,
array('enctype' => 'multipart/form-data')
);
$form->addHidden('post_title_edited', 'false');
$form->addHeader(get_lang('NewPost'));
$form->addText('title', get_lang('Title'));
$config = array();
if (!api_is_allowed_to_edit()) {
$config['ToolbarSet'] = 'ProjectStudent';
} else {
$config['ToolbarSet'] = 'Project';
}
$form->addHtmlEditor('full_text', get_lang('Content'), false, false, $config);
$form->addFile('user_upload', get_lang('AddAnAttachment'));
$form->addTextarea('post_file_comment', get_lang('FileComment'));
$form->addHidden('new_post_submit', 'true');
$form->addButton('save', get_lang('Save'));
$form->display();
} 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)
{
$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);
// Form
$form = new FormValidator(
'edit_post',
'post',
api_get_path(WEB_CODE_PATH).'blog/blog.php?action=edit_post& post_id=' . intval($_GET['post_id']) . '& blog_id=' . intval($blog_id) . '& article_id='.intval($_GET['article_id']).'& task_id='.intval($_GET['task_id'])
);
$form->addHeader(get_lang('EditPost'));
$form->addText('title', get_lang('Title'));
if (!api_is_allowed_to_edit()) {
$config['ToolbarSet'] = 'ProjectStudent';
} else {
$config['ToolbarSet'] = 'Project';
}
$form->addHtmlEditor('full_text', get_lang('Content'), false, false, $config);
$form->addHidden('action', '');
$form->addHidden('edit_post_submit', 'true');
$form->addHidden('post_id', intval($_GET['post_id']));
$form->addButton('save', get_lang('Save'));
$form->setDefaults($blog_post);
$form->display();
}
/**
* Displays a list of tasks in this blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_task_list ($blog_id) {
global $charset;
$course_id = api_get_course_int_id();
if(api_is_allowed('BLOG_' . $blog_id, 'article_add')) {
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$counter = 0;
global $color2;
echo '< div class = "actions" > ';
echo '< a href = "' .api_get_self(). '?action=manage_tasks&blog_id=' . $blog_id . '&do=add" > < img src = "../img/blog_newtasks.gif" border = "0" align = "middle" alt = "'.get_lang('AddTasks').'" / > ' . get_lang('AddTasks') . '< / a > ';
echo '< a href = "' .api_get_self(). '?action=manage_tasks&blog_id=' . $blog_id . '&do=assign" > < img src = "../img/blog_task.gif" border = "0" align = "middle" alt = "'.get_lang('AssignTasks').'" / > ' . get_lang('AssignTasks') . '< / a > ';
?>
< a href = " <?php echo api_get_self (); ?> ?action=manage_rights&blog_id= <?php echo $blog_id ?> " title = " <?php echo get_lang ( 'ManageRights' ) ?> " > <?php echo Display :: return_icon ( 'blog_admin_users.png' , get_lang ( 'RightsManager' ), '' , ICON_SIZE_SMALL ) . get_lang ( 'RightsManager' ) ?> </ a >
<?php
echo '< / div > ';
echo '< span class = "blogpost_title" > ' . get_lang('TaskList') . '< / span > < br / > ';
echo "< table class = \"data_table\" > ";
echo "< tr bgcolor = \"$color2\" align = \"center\" valign = \"top\" > ",
"< th width = '240' > < b > ",get_lang('Title'),"< / b > < / th > \n",
"< th > < b > ",get_lang('Description'),"< / b > < / th > \n",
"< th > < b > ",get_lang('Color'),"< / b > < / th > \n",
"< th width = '50' > < b > ",get_lang('Modify'),"< / b > < / th > \n",
"< / tr > \n";
$sql = " SELECT
blog_id,
task_id,
blog_id,
title,
description,
color,
system_task
FROM " . $tbl_blogs_tasks . "
WHERE c_id = $course_id AND blog_id = " . (int)$blog_id . "
ORDER BY system_task, title";
$result = Database::query($sql);
while($task = Database::fetch_array($result))
{
$counter++;
$css_class = (($counter % 2) == 0) ? "row_odd" : "row_even";
$delete_icon = ($task['system_task'] == '1') ? "delete_na.gif" : "delete.gif";
$delete_title = ($task['system_task'] == '1') ? get_lang('DeleteSystemTask') : get_lang('DeleteTask');
$delete_link = ($task['system_task'] == '1') ? '#' : api_get_self() . '?action=manage_tasks& blog_id=' . $task['blog_id'] . '& do=delete& task_id=' . $task['task_id'];
$delete_confirm = ($task['system_task'] == '1') ? '' : 'onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"';
echo '< tr class = "' . $css_class . '" valign = "top" > ',
'< td width = "240" > ' . Security::remove_XSS($task['title']) . '< / td > ',
'< td > ' . Security::remove_XSS($task['description']) . '< / td > ',
'< td > < span style = "background-color: #' . $task['color'] . '" > < / span > < / td > ',
'< td width = "50" > ',
'< a href = "' .api_get_self(). '?action=manage_tasks&blog_id=' . $task['blog_id'] . '&do=edit&task_id=' . $task['task_id'] . '" > ',
'< img src = "../img/edit.gif" border = "0" title = "' . get_lang('EditTask') . '" / > ',
"< / a > \n",
'< a href = "' . $delete_link . '" ' ,
$delete_confirm,
'>< img src = "../img/' . $delete_icon . '" border = "0" title = "' . $delete_title . '" / > ',
"< / a > \n",
'< / td > ',
'< / tr > ';
}
echo "< / table > ";
}
}
/**
* Displays a list of tasks assigned to a user in this blog
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_assigned_task_list ($blog_id) {
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$counter = 0;
global $charset,$color2;
echo '< span class = "blogpost_title" > ' . get_lang('AssignedTasks') . '< / span > < br / > ';
echo "< table class = \"data_table\" > ";
echo "< tr bgcolor = \"$color2\" align = \"center\" valign = \"top\" > ",
"< th width = '240' > < b > ",get_lang('Member'),"< / b > < / th > \n",
"< th > < b > ",get_lang('Task'),"< / b > < / th > \n",
"< th > < b > ",get_lang('Description'),"< / b > < / th > \n",
"< th > < b > ",get_lang('TargetDate'),"< / b > < / th > \n",
"< th width = '50' > < b > ",get_lang('Modify'),"< / b > < / th > \n",
"< / tr > ";
$course_id = api_get_course_int_id();
$sql = "SELECT task_rel_user.*, task.title, user.firstname, user.lastname, user.username, task.description, task.system_task, task.blog_id, task.task_id
FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_users user ON task_rel_user.user_id = user.user_id
WHERE task_rel_user.c_id = $course_id AND
task.c_id = $course_id AND
task_rel_user.blog_id = '".(int)$blog_id."'
ORDER BY target_date ASC";
$result = Database::query($sql);
while($assignment = Database::fetch_array($result)) {
$counter++;
$css_class = (($counter % 2)==0) ? "row_odd" : "row_even";
$delete_icon = ($assignment['system_task'] == '1') ? "delete_na.gif" : "delete.gif";
$delete_title = ($assignment['system_task'] == '1') ? get_lang('DeleteSystemTask') : get_lang('DeleteTask');
$delete_link = ($assignment['system_task'] == '1') ? '#' : api_get_self() . '?action=manage_tasks& blog_id=' . $assignment['blog_id'] . '& do=delete& task_id=' . $assignment['task_id'];
$delete_confirm = ($assignment['system_task'] == '1') ? '' : 'onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"';
$username = api_htmlentities(sprintf(get_lang('LoginX'), $assignment['username']), ENT_QUOTES);
echo '< tr class = "' . $css_class . '" valign = "top" > ',
'< td width = "240" > ' . Display::tag('span', api_get_person_name($assignment['firstname'], $assignment['lastname']), array('title'=>$username)) . '< / td > ',
'< td > '.stripslashes($assignment['title']) . '< / td > ',
'< td > '.stripslashes($assignment['description']) . '< / td > ',
'< td > ' . $assignment['target_date'] . '< / td > ',
'< td width = "50" > ',
'< a href = "' .api_get_self(). '?action=manage_tasks&blog_id=' . $assignment['blog_id'] . '&do=edit_assignment&task_id=' . $assignment['task_id'] . '&user_id=' . $assignment['user_id'] . '" > ',
'< img src = "../img/edit.gif" border = "0" title = "' . get_lang('EditTask') . '" / > ',
"< / a > \n",
'< a href = "' .api_get_self(). '?action=manage_tasks&blog_id=' . $assignment['blog_id'] . '&do=delete_assignment&task_id=' . $assignment['task_id'] . '&user_id=' . $assignment['user_id'] . '" ' ,
'onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;"',
'< img src = "../img/' . $delete_icon . '" border = "0" title = "' . $delete_title . '" / > ',
"< / a > \n",
'< / td > ',
'< / tr > ';
}
echo "< / table > ";
}
/**
* Displays new task form
* @author Toon Keppens
*
*/
public static function display_new_task_form ($blog_id) {
// Init
$colors = array('FFFFFF','FFFF99','FFCC99','FF9933','FF6699','CCFF99','CC9966','66FF00', '9966FF', 'CF3F3F', '990033','669933','0033FF','003366','000000');
// form
echo '< form name = "add_task" method = "post" action = "blog.php?action=manage_tasks&blog_id=' . $blog_id . '" > ';
// form title
echo '< legend > '.get_lang('AddTask').'< / legend > ';
// task title
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > ' . get_lang('Title') . '
< / label >
< div class = "controls" >
< input name = "task_name" type = "text" size = "70" / >
< / div >
< / div > ';
// task comment
echo ' < div class = "control-group" >
< label class = "control-label" >
' . get_lang('Description') . '
< / label >
< div class = "controls" >
< textarea name = "task_description" cols = "45" > < / textarea >
< / div >
< / div > ';
// task management
echo ' < div class = "control-group" >
< label class = "control-label" >
' . get_lang('TaskManager') . '
< / label >
< div class = "controls" > ';
echo "\t\t\t" . '< table class = "data_table" cellspacing = "0" style = "border-collapse:collapse; width:446px;" > ';
echo "\t\t\t\t" . '< tr > ' . "\n";
echo "\t\t\t\t\t" . '< th colspan = "2" style = "width:223px;" > ' . get_lang('ArticleManager') . '< / th > ' . "\n";
echo "\t\t\t\t\t" . '< th width:223px ; > ' . get_lang('CommentManager') . '< / th > ' . "\n";
echo "\t\t\t\t" . '< / tr > ' . "\n";
echo "\t\t\t\t" . '< tr > ' . "\n";
echo "\t\t\t\t\t" . '< th style = "width:111px;" > < label for = "articleDelete" > ' . get_lang('Delete') . '< / label > < / th > ' . "\n";
echo "\t\t\t\t\t" . '< th style = "width:112px;" > < label for = "articleEdit" > ' . get_lang('Edit') . '< / label > < / th > ' . "\n";
echo "\t\t\t\t\t" . '< th style = "width:223px;" > < label for = "commentsDelete" > ' . get_lang('Delete') . '< / label > < / th > ' . "\n";
echo "\t\t\t\t" . '< / tr > ' . "\n";
echo "\t\t\t\t" . '< tr > ' . "\n";
echo "\t\t\t\t\t" . '< td style = "text-align:center;" > < input id = "articleDelete" name = "chkArticleDelete" type = "checkbox" / > < / td > ' . "\n";
echo "\t\t\t\t\t" . '< td style = "text-align:center;" > < input id = "articleEdit" name = "chkArticleEdit" type = "checkbox" / > < / td > ' . "\n";
echo "\t\t\t\t\t" . '< td style = "border:1px dotted #808080; text-align:center;" > < input id = "commentsDelete" name = "chkCommentsDelete" type = "checkbox" / > < / td > ' . "\n";
echo "\t\t\t\t" . '< / tr > ' . "\n";
echo "\t\t\t" . '< / table > ' . "\n";
echo ' < / div >
< / div > ';
// task color
echo ' < div class = "control-group" >
< label class = "control-label" >
' . get_lang('Color') . '
< / label >
< div class = "controls" > ';
echo ' < select name = "task_color" id = "color" style = "width: 150px; background-color: #eeeeee" onchange = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" onkeypress = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" > ';
foreach ($colors as $color)
{
$style = 'style="background-color: #' . $color . '"';
echo '< option value = "' . $color . '" ' . $ style . ' > < / option > ';
}
echo ' < / select > ';
echo ' < / div >
< / div > ';
// submit
echo ' < div class = "control-group" >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "new_task_submit" value = "true" / >
< button class = "save" type = "submit" name = "Submit" > ' . get_lang('Save') . '< / button >
< / div >
< / div > ';
echo '< / form > ';
echo '< div style = "clear:both; margin-bottom: 10px;" > < / div > ';
}
/**
* Displays edit task form
* @author Toon Keppens
*
*/
public static function display_edit_task_form ($blog_id, $task_id) {
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$course_id = api_get_course_int_id();
$colors = array('FFFFFF','FFFF99','FFCC99','FF9933','FF6699','CCFF99','CC9966','66FF00', '9966FF', 'CF3F3F', '990033','669933','0033FF','003366','000000');
$sql = "SELECT blog_id, task_id, title, description, color FROM $tbl_blogs_tasks WHERE c_id = $course_id AND task_id = '".(int)$task_id."'";
$result = Database::query($sql);
$task = Database::fetch_array($result);
// Display
echo '< form name = "edit_task" method = "post" action = "blog.php?action=manage_tasks&blog_id=' . $blog_id . '" >
< legend > ' . get_lang('EditTask') . '< / legend >
< table width = "100%" border = "0" cellspacing = "2" >
< tr >
< td align = "right" > ' . get_lang('Title') . ': < / td >
< td > < input name = "task_name" type = "text" size = "70" value = "'.Security::remove_XSS($task['title']) . '" / > < / td >
< / tr >
< tr >
< td align = "right" > ' . get_lang('Description') . ': < / td >
< td > < textarea name = "task_description" cols = "45" > '.Security::remove_XSS($task['description']).'< / textarea > < / td >
< / tr > ';
/* edit by Kevin Van Den Haute (kevin@develop-it.be) */
$tbl_tasks_permissions = Database::get_course_table(TABLE_BLOGS_TASKS_PERMISSIONS);
$sql = " SELECT id, action FROM " . $tbl_tasks_permissions . "
WHERE c_id = $course_id AND task_id = '" . (int)$task_id."'";
$result = Database::query($sql);
$arrPermissions = array();
while ($row = Database::fetch_array($result))
$arrPermissions[] = $row['action'];
echo "\t" . '< tr > ' . "\n";
echo "\t\t" . '< td style = "text-align:right; vertical-align:top;" > ' . get_lang('TaskManager') . ': < / td > ' . "\n";
echo "\t\t" . '< td > ' . "\n";
echo "\t\t\t" . '< table class = "data_table" cellspacing = "0" style = "border-collapse:collapse; width:446px;" > ';
echo "\t\t\t\t" . '< tr > ' . "\n";
echo "\t\t\t\t\t" . '< th colspan = "2" style = "width:223px;" > ' . get_lang('ArticleManager') . '< / th > ' . "\n";
echo "\t\t\t\t\t" . '< th width:223px ; > ' . get_lang('CommentManager') . '< / th > ' . "\n";
echo "\t\t\t\t" . '< / tr > ' . "\n";
echo "\t\t\t\t" . '< tr > ' . "\n";
echo "\t\t\t\t\t" . '< th style = "width:111px;" > < label for = "articleDelete" > ' . get_lang('Delete') . '< / label > < / th > ' . "\n";
echo "\t\t\t\t\t" . '< th style = "width:112px;" > < label for = "articleEdit" > ' . get_lang('Edit') . '< / label > < / th > ' . "\n";
echo "\t\t\t\t\t" . '< th style = "width:223px;" > < label for = "commentsDelete" > ' . get_lang('Delete') . '< / label > < / th > ' . "\n";
echo "\t\t\t\t" . '< / tr > ' . "\n";
echo "\t\t\t\t" . '< tr > ' . "\n";
echo "\t\t\t\t\t" . '< td style = "text-align:center;" > < input ' . ( ( in_array ( ' article_delete ' , $ arrPermissions ) ) ? ' checked ' : ' ' ) . ' id = "articleDelete" name = "chkArticleDelete" type = "checkbox" / > < / td > ' . "\n";
echo "\t\t\t\t\t" . '< td style = "text-align:center;" > < input ' . ( ( in_array ( ' article_edit ' , $ arrPermissions ) ) ? ' checked ' : ' ' ) . ' id = "articleEdit" name = "chkArticleEdit" type = "checkbox" / > < / td > ' . "\n";
echo "\t\t\t\t\t" . '< td style = "text-align:center;" > < input ' . ( ( in_array ( ' article_comments_delete ' , $ arrPermissions ) ) ? ' checked ' : ' ' ) . ' id = "commentsDelete" name = "chkCommentsDelete" type = "checkbox" / > < / td > ' . "\n";
echo "\t\t\t\t" . '< / tr > ' . "\n";
echo "\t\t\t" . '< / table > ' . "\n";
echo "\t\t" . '< / td > ' . "\n";
echo "\t" . '< / tr > ' . "\n";
/* end of edit */
echo '< tr >
< td align = "right" > ' . get_lang('Color') . ': < / td >
< td >
< select name = "task_color" id = "color" style = "width: 150px; background-color: #' . $task['color'] . '" onchange = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" onkeypress = "document.getElementById(\'color\').style.backgroundColor=\'#\'+document.getElementById(\'color\').value" > ';
foreach ($colors as $color)
{
$selected = ($color == $task['color']) ? ' selected' : '';
$style = 'style="background-color: #' . $color . '"';
echo '< option value = "' . $color . '" ' . $ style . ' ' . $ selected . ' > < / option > ';
}
echo ' < / select >
< / td >
< / tr >
< tr >
< td align = "right" > < / td >
< td > < br / > < input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "edit_task_submit" value = "true" / >
< input type = "hidden" name = "task_id" value = "' . $task['task_id'] . '" / >
< input type = "hidden" name = "blog_id" value = "' . $task['blog_id'] . '" / >
< button class = "save" type = "submit" name = "Submit" > ' . get_lang('Save') . '< / button > < / td >
< / tr >
< / table >
< / form > ';
}
/**
* Displays assign task form
* @author Toon Keppens
*
*/
public static function display_assign_task_form ($blog_id) {
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$day = date("d");
$month = date("m");
$year = date("Y");
global $MonthsLong;
$course_id = api_get_course_int_id();
// Get users in this blog / make select list of it
$sql = "SELECT user.user_id, user.firstname, user.lastname, user.username FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = Database::query($sql);
$select_user_list = '< select name = "task_user_id" > ';
while($user = Database::fetch_array($result))
{
$username = api_htmlentities(sprintf(get_lang('LoginX'), $user['username']), ENT_QUOTES);
$select_user_list .= '< option title = "'.$username.'" value = "' . $user['user_id'] . '" > ' . api_get_person_name($user['firstname'], $user['lastname']).'< / option > ';
}
$select_user_list .= '< / select > ';
// Get tasks in this blog / make select list of it
$sql = "
SELECT
blog_id,
task_id,
blog_id,
title,
description,
color,
system_task
FROM " . $tbl_blogs_tasks . "
WHERE c_id = $course_id AND blog_id = " . (int)$blog_id . "
ORDER BY system_task, title";
$result = Database::query($sql);
$select_task_list = '< select name = "task_task_id" > ';
while($task = Database::fetch_array($result))
{
$select_task_list .= '< option value = "' . $task['task_id'] . '" > '.stripslashes($task['title']) . '< / option > ';
}
$select_task_list .= '< / select > ';
// form
echo '< form name = "assign_task" method = "post" action = "blog.php?action=manage_tasks&blog_id=' . $blog_id . '" > ';
// form title
echo '< legend > '.get_lang('AssignTask').'< / legend > ';
// user
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > ' . get_lang('SelectUser') . '
< / label >
< div class = "controls" >
'.$select_user_list.'
< / div >
< / div > ';
// task
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > ' . get_lang('SelectTask') . '
< / label >
< div class = "controls" >
'.$select_task_list.'
< / div >
< / div > ';
// date
echo ' < div class = "control-group" >
< label class = "control-label" >
< span class = "form_required" > *< / span > ' . get_lang('SelectTargetDate') . '
< / label >
< div class = "controls" > ';
echo ' < select name = "task_day" > ';
for($i=1; $i< =31; $i++)
{
// values need to have double digits
$value = ($i < = 9 ? "0" . $i : $i);
// the current day is indicated with [] around the date
if($value==$day)
{ echo "\t\t\t\t < option value = \"" . $ value . " \ " selected > " . $i." < / option > \n";}
else
{ echo "\t\t\t\t < option value = \"" . $ value . " \ " > " . $i."< / option > \n"; }
}
echo '< / select >
< select name = "task_month" > ';
for($i=1; $i< =12; $i++)
{
// values need to have double digits
$value = ($i < = 9 ? "0" . $i : $i);
if($value==$month)
{ echo "\t\t\t\t < option value = \"" . $ value . " \ " selected > " . $MonthsLong[$i-1]."< / option > \n"; }
else
{ echo "\t\t\t\t < option value = \"" . $ value . " \ " > " . $MonthsLong[$i-1]."< / option > \n"; }
}
echo '< / select >
< select name = "task_year" >
< option value = "'.($year-1) . '" > '.($year-1) . '< / option >
< option value = "' . $year . '" selected > ' . $year . ' < / option > ';
for($i=1; $i< =5; $i++)
{
$value=$year+$i;
echo "\t\t\t\t< option value = \"" . $ value . " \ " > " . $value."< / option > \n";
}
echo '< / select >
< a title = "Kalender" href = "javascript:openCalendar(\'assign_task\', \'task_\')" > < img src = "../img/calendar_select.gif" border = "0" align = "absmiddle" / > < / a > ';
echo ' < / div >
< / div > ';
// submit
echo ' < div class = "control-group" >
< label class = "control-label" >
< / div >
< div class = "controls" >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "assign_task_submit" value = "true" / >
< button class = "save" type = "submit" name = "Submit" > ' . get_lang('Ok') . '< / button >
< / div >
< / div > ';
echo '< / form > ';
echo '< div style = "clear: both; margin-bottom:10px;" > < / div > ';
}
/**
* Displays assign task form
* @author Toon Keppens
*
*/
public static function display_edit_assigned_task_form ($blog_id, $task_id, $user_id) {
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
$year = date("Y");
global $MonthsLong;
// Get assignd date;
$sql = "
SELECT target_date
FROM $tbl_blogs_tasks_rel_user
WHERE c_id = $course_id AND
blog_id = '".(int)$blog_id."' AND
user_id = '".(int)$user_id."' AND
task_id = '".(int)$task_id."'";
$result = Database::query($sql);
$row = Database::fetch_assoc($result);
$old_date = $row['target_date'];
$date = explode('-', $row['target_date']);
// Get users in this blog / make select list of it
$sql = "
SELECT user.user_id, user.firstname, user.lastname, user.username
FROM $tbl_users user
INNER JOIN $tbl_blogs_rel_user blogs_rel_user ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".(int)$blog_id."'";
$result = Database::query($sql);
$select_user_list = '< select name = "task_user_id" > ';
while($user = Database::fetch_array($result)) {
$username = api_htmlentities(sprintf(get_lang('LoginX'), $user['username']), ENT_QUOTES);
$select_user_list .= '< option title = "'.$username.'" ' . ( ( $ user_id = = $ user [ ' user_id ' ] ) ? ' selected = "selected " ' : ' ' ) . ' value = "' . $user['user_id'] . '" > ' . api_get_person_name($user['firstname'], $user['lastname']) . '< / option > ';
}
$select_user_list .= '< / select > ';
// Get tasks in this blog / make select list of it
$sql = "
SELECT
blog_id,
task_id,
title,
description,
color,
system_task
FROM " . $tbl_blogs_tasks . "
WHERE c_id = $course_id AND blog_id = " . (int)$blog_id . "
ORDER BY system_task, title";
$result = Database::query($sql);
$select_task_list = '< select name = "task_task_id" > ';
while($task = Database::fetch_array($result)) {
//if(!in_array($task['task_id'], $arrUserTasks) || $task_id == $task['task_id'])
$select_task_list .= '< option ' . ( ( $ task_id = = $ task [ ' task_id ' ] ) ? ' selected = "selected " ' : ' ' ) . ' value = "' . $task['task_id'] . '" > '.stripslashes($task['title']) . '< / option > ';
}
$select_task_list .= '< / select > ';
// Display
echo '< form name = "assign_task" method = "post" action = "blog.php?action=manage_tasks&blog_id=' . $blog_id . '" >
< table width = "100%" border = "0" cellspacing = "2" cellpadding = "0" style = "background-color: #f6f6f6; border: 1px solid #dddddd" >
< tr >
< td width = "200" > < / td >
< td > < b > ' . get_lang('AssignTask') . '< / b > < br / > < br / > < / td >
< / tr >
< tr >
< td align = "right" > ' . get_lang('SelectUser') . ': < / td >
< td > ' . $select_user_list . '< / td >
< / tr >
< tr >
< td align = "right" > ' . get_lang('SelectTask') . ': < / td >
< td > ' . $select_task_list . '< / td >
< / tr >
< tr >
< td align = "right" > ' . get_lang('SelectTargetDate') . ': < / td >
< td >
< select name = "task_day" > ';
for($i=1; $i< =31; $i++)
{
// values need to have double digits
$value = ($i < = 9 ? "0" . $i : $i);
echo "\t\t\t\t< option " . ( ( $ date [ 2 ] = = $ value ) ? ' selected = "selected " ' : ' ' ) . " value = \"" . $ value . " \ " > " . $i . "< / option > \n";
}
echo '< / select >
< select name = "task_month" > ';
for($i=1; $i< =12; $i++)
{
// values need to have double digits
$value = ($i < = 9 ? "0" . $i : $i);
echo "\t\t\t\t< option " . ( ( $ date [ 1 ] = = $ value ) ? ' selected = "selected " ' : ' ' ) . " value = \"" . $ value . " \ " > " . $MonthsLong[$i-1]."< / option > \n";
}
echo '< / select >
< select name = "task_year" >
< option value = "' . ($year - 1) . '" > ' . ($year - 1) . '< / option >
< option value = "' . $year . '" selected > ' . $year . ' < / option > ';
for($i=1; $i< =5; $i++)
{
$value = $year + $i;
echo "\t\t\t\t< option " . ( ( $ date [ 0 ] = = $ value ) ? ' selected = "selected " ' : ' ' ) . " value = \"" . $ value . " \ " > " . $value . "< / option > \n";
}
echo '< / select >
< a title = "Kalender" href = "javascript:openCalendar(\'assign_task\', \'task_\')" > < img src = "../img/calendar_select.gif" border = "0" align = "absmiddle" / > < / a >
< / td >
< / tr >
< tr >
< td align = "right" > < / td >
< input type = "hidden" name = "action" value = "" / >
< input type = "hidden" name = "old_task_id" value = "' . $task_id . '" / >
< input type = "hidden" name = "old_user_id" value = "' . $user_id . '" / >
< input type = "hidden" name = "old_target_date" value = "' . $old_date . '" / >
< input type = "hidden" name = "assign_task_edit_submit" value = "true" / >
< td > < br / > < button class = "save type=" submit " name = "Submit" > ' . get_lang('Ok') . '< / button > < / td >
< / tr >
< / table >
< / form > ';
}
/**
* Assigns a task to a user in a blog
*
* @param Integer $blog_id
* @param Integer $user_id
* @param Integer $task_id
* @param Date $target_date
*/
public static function assign_task ($blog_id, $user_id, $task_id, $target_date) {
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
$sql = "
SELECT COUNT(*) as 'number'
FROM " . $tbl_blogs_tasks_rel_user . "
WHERE c_id = $course_id AND
blog_id = " . (int)$blog_id . "
AND user_id = " . (int)$user_id . "
AND task_id = " . (int)$task_id . "
";
$result = @Database::query($sql);
$row = Database::fetch_assoc($result);
if($row['number'] == 0) {
$sql = "
INSERT INTO " . $tbl_blogs_tasks_rel_user . " (
c_id,
blog_id,
user_id,
task_id,
target_date
) VALUES (
'" . (int)$course_id . "',
'" . (int)$blog_id . "',
'" . (int)$user_id . "',
'" . (int)$task_id . "',
'" . Database::escape_string($target_date) . "'
)";
$result = @Database::query($sql);
}
}
public static function edit_assigned_task ($blog_id, $user_id, $task_id, $target_date, $old_user_id, $old_task_id, $old_target_date) {
// Init
$tbl_blogs_tasks_rel_user = Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$course_id = api_get_course_int_id();
$sql = "SELECT COUNT(*) as 'number'
FROM " . $tbl_blogs_tasks_rel_user . "
WHERE
c_id = $course_id AND
blog_id = " . (int)$blog_id . " AND
user_id = " . (int)$user_id . " AND
task_id = " . (int)$task_id . "
";
$result = @Database::query($sql);
$row = Database::fetch_assoc($result);
if($row['number'] == 0 || ($row['number'] != 0 & & $task_id == $old_task_id & & $user_id == $old_user_id)) {
$sql = "
UPDATE " . $tbl_blogs_tasks_rel_user . "
SET
user_id = " . (int)$user_id . ",
task_id = " . (int)$task_id . ",
target_date = '" . Database::escape_string($target_date) . "'
WHERE
c_id = $course_id AND
blog_id = " . (int)$blog_id . " AND
user_id = " . (int)$old_user_id . " AND
task_id = " . (int)$old_task_id . " AND
target_date = '" . Database::escape_string($old_target_date) . "'
";
$result = @Database::query($sql);
}
}
/**
* Displays a list with posts a user can select to execute his task.
*
* @param Integer $blog_id
* @param unknown_type $task_id
*/
public static function display_select_task_post ($blog_id, $task_id) {
// Init
$tbl_blogs_tasks = Database::get_course_table(TABLE_BLOGS_TASKS);
$tbl_blogs_posts = Database::get_course_table(TABLE_BLOGS_POSTS);
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$course_id = api_get_course_int_id();
$sql = "SELECT title, description FROM $tbl_blogs_tasks
WHERE task_id = '".(int)$task_id."'
AND c_id = $course_id";
$result = Database::query($sql);
$row = Database::fetch_assoc($result);
// Get posts and authors
$sql = "SELECT post.*, user.lastname, user.firstname, user.username
FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user ON post.author_id = user.user_id
WHERE post.blog_id = '".(int)$blog_id."' AND post.c_id = $course_id
ORDER BY post_id DESC
LIMIT 0, 100";
$result = Database::query($sql);
// Display
echo '< span class = "blogpost_title" > ' . get_lang('SelectTaskArticle') . ' "' . stripslashes($row['title']) . '"< / span > ';
echo '< span style = "font-style: italic;" " > '.stripslashes($row['description']) . '< / span > < br > < br > ';
if(Database::num_rows($result) > 0) {
while($blog_post = Database::fetch_array($result)) {
$username = api_htmlentities(sprintf(get_lang('LoginX'), $blog_post['username']), ENT_QUOTES);
echo '< a href = "blog.php?action=execute_task&blog_id=' . $blog_id . '&task_id=' . $task_id . '&post_id=' . $blog_post['post_id'] . '#add_comment" > '.stripslashes($blog_post['title']) . '< / a > , ' . get_lang('WrittenBy') . ' ' . stripslashes(Display::tag('span', api_get_person_name($blog_post['firstname'], $blog_post['lastname']), array('title'=>$username))) . '< br / > ';
}
} else
echo get_lang('NoArticles');
}
/**
* Subscribes a user to a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $user_id
*/
public static function set_user_subscribed ($blog_id,$user_id) {
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_user_permissions = Database::get_course_table(TABLE_PERMISSION_USER);
$course_id = api_get_course_int_id();
// Subscribe the user
$sql = "INSERT INTO $tbl_blogs_rel_user (c_id, blog_id, user_id ) VALUES ($course_id, '".(int)$blog_id."', '".(int)$user_id."');";
$result = Database::query($sql);
// Give this user basic rights
$sql="INSERT INTO $tbl_user_permissions (c_id, user_id,tool,action) VALUES ($course_id, '".(int)$user_id."','BLOG_" . (int)$blog_id."','article_add')";
$result = Database::query($sql);
$sql="INSERT INTO $tbl_user_permissions (c_id, user_id,tool,action) VALUES ($course_id, '".(int)$user_id."','BLOG_" . (int)$blog_id."','article_comments_add')";
$result = Database::query($sql);
}
/**
* Unsubscribe a user from a given blog
* @author Toon Keppens
*
* @param Integer $blog_id
* @param Integer $user_id
*/
public static function set_user_unsubscribed ($blog_id, $user_id) {
// Init
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
$tbl_user_permissions = Database::get_course_table(TABLE_PERMISSION_USER);
// Unsubscribe the user
$sql = "DELETE FROM $tbl_blogs_rel_user WHERE blog_id = '".(int)$blog_id."' AND user_id = '".(int)$user_id."'";
$result = @Database::query($sql);
// Remove this user's permissions.
$sql = "DELETE FROM $tbl_user_permissions WHERE user_id = '".(int)$user_id."'";
$result = Database::query($sql);
}
/**
* Displays the form to register users in a blog (in a course)
* The listed users are users subcribed in the course.
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Html Form with sortable table with users to subcribe in a blog, in a course.
*/
public static function display_form_user_subscribe ($blog_id) {
// Init
global $_course;
$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);
$table_course_user = Database::get_main_table(TABLE_MAIN_COURSE_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;
}
$student_list = CourseManager :: get_student_list_from_course_code($currentCourse, 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'])
{
$row[] = "< a class = \"btn btn-primary \ " href = \"" . api_get_self ( ) . " ? action = manage_members&blog_id=$blog_id&register=yes&user_id=" . $ a_infosUser [ " user_id " ] . " \ " > " . get_lang('Register')."< / a > ";
}
else
{
$row[] = '';
}
$user_data[] = $row;
}
}
// Display
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '< form method = "post" action = "blog.php?action=manage_members&blog_id=' . $blog_id . '" > ';
Display::display_sortable_table($column_header, $user_data,null,null,$query_vars);
$link = '';
$link .= isset ($_GET['action']) ? 'action=' . Security::remove_XSS($_GET['action']) . '& ' : '';
$link .= "blog_id=$blog_id& ";
echo '< a href = "blog.php?' . $link . 'selectall=subscribe" > ' . get_lang('SelectAll') . '< / a > - ';
echo '< a href = "blog.php?' . $link . '" > ' . get_lang('UnSelectAll') . '< / a > ';
echo get_lang('WithSelected') . ' : ';
echo '< select name = "action" > ';
echo '< option value = "select_subscribe" > ' . get_lang('Register') . '< / option > ';
echo '< / select > ';
echo '< input type = "hidden" name = "register" value = "true" / > ';
echo '< button class = "save" type = "submit" > ' . get_lang('Ok') . '< / button > ';
echo '< / form > ';
}
/**
* Displays the form to register users in a blog (in a course)
* The listed users are users subcribed in the course.
* @author Toon Keppens
*
* @param Integer $blog_id
*
* @return Html Form with sortable table with users to unsubcribe from a blog.
*/
public static function display_form_user_unsubscribe ($blog_id) {
global $_user;
$is_western_name_order = api_is_western_name_order();
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '< legend > '.get_lang('UnsubscribeMembers').'< / legend > ';
$properties["width"] = "100%";
//table column titles
$column_header[] = array ('', false, '');
if ($is_western_name_order) {
$column_header[] = array (get_lang('FirstName'), true, '');
$column_header[] = array (get_lang('LastName'), true, '');
} else {
$column_header[] = array (get_lang('LastName'), true, '');
$column_header[] = array (get_lang('FirstName'), true, '');
}
$column_header[] = array (get_lang('Email'), false, '');
$column_header[] = array (get_lang('TaskManager'), true, '');
$column_header[] = array (get_lang('UnRegister'), false, '');
$course_id = api_get_course_int_id();
$sql_query = "SELECT user.user_id, user.lastname, user.firstname, user.email, user.username
FROM $tbl_users user INNER JOIN $tbl_blogs_rel_user blogs_rel_user
ON user.user_id = blogs_rel_user.user_id
WHERE blogs_rel_user.c_id = $course_id AND blogs_rel_user.blog_id = '".(int)$blog_id."'";
if (!($sql_result = Database::query($sql_query))) {
return false;
}
$user_data = array ();
while($myrow = Database::fetch_array($sql_result)) {
$row = array ();
$row[] = '< input type = "checkbox" name = "user[]" value = "' . $myrow['user_id'] . '" ' . ( ( $ _GET [ ' selectall ' ] = = " unsubscribe " ) ? ' checked = "checked" ' : ' ' ) . ' / > ';
$username = api_htmlentities(sprintf(get_lang('LoginX'), $myrow["username"]), ENT_QUOTES);
if ($is_western_name_order) {
$row[] = $myrow["firstname"];
$row[] = Display::tag('span', $myrow["lastname"], array('title'=>$username));
} else {
$row[] = Display::tag('span', $myrow["lastname"], array('title'=>$username));
$row[] = $myrow["firstname"];
}
$row[] = Display::icon_mailto_link($myrow["email"]);
$sql = "SELECT bt.title task
FROM " . Database::get_course_table(TABLE_BLOGS_TASKS_REL_USER) . " btu
INNER JOIN " . Database::get_course_table(TABLE_BLOGS_TASKS) . " bt ON btu.task_id = bt.task_id
WHERE btu.c_id = $course_id AND
bt.c_id = $course_id AND
btu.blog_id = $blog_id AND
btu.user_id = " . $myrow['user_id'];
if (!($sql_res = Database::query($sql))) {
die(Database::error());
}
$task = '';
while($r = Database::fetch_array($sql_res)) {
$task .= stripslashes($r['task']) . ', ';
}
//echo $task;
$task = (api_strlen(trim($task)) != 0) ? api_substr($task, 0, api_strlen($task) - 2) : get_lang('Reader');
$row[] = $task;
//Link to register users
if($myrow["user_id"] != $_user['user_id']) {
$row[] = "< a class = \"btn btn-primary \ " href = \"" . api_get_self ( ) . " ? action = manage_members&blog_id=$blog_id&unregister=yes&user_id=" . $ myrow [ user_id ] . " \ " > " . get_lang('UnRegister')."< / a > ";
} else {
$row[] = '';
}
$user_data[] = $row;
}
$query_vars['action'] = 'manage_members';
$query_vars['blog_id'] = $blog_id;
echo '< form method = "post" action = "blog.php?action=manage_members&blog_id=' . $blog_id . '" > ';
Display::display_sortable_table($column_header, $user_data,null,null,$query_vars);
$link = '';
$link .= isset ($_GET['action']) ? 'action=' . Security::remove_XSS($_GET['action']). '& ' : '';
$link .= "blog_id=$blog_id& ";
echo '< a href = "blog.php?' . $link . 'selectall=unsubscribe" > ' . get_lang('SelectAll') . '< / a > - ';
echo '< a href = "blog.php?' . $link . '" > ' . get_lang('UnSelectAll') . '< / a > ';
echo get_lang('WithSelected') . ' : ';
echo '< select name = "action" > ';
echo '< option value = "select_unsubscribe" > ' . get_lang('UnRegister') . '< / option > ';
echo '< / select > ';
echo '< input type = "hidden" name = "unregister" value = "true" / > ';
echo '< button class = "save" type = "submit" > ' . get_lang('Ok') . '< / button > ';
echo '< / form > ';
}
/**
* Displays a matrix with selectboxes. On the left: users, on top: possible rights.
* The blog admin can thus select what a certain user can do in the current blog
*
* @param Integer $blog_id
*/
public static function display_form_user_rights ($blog_id) {
// Init
$tbl_users = Database::get_main_table(TABLE_MAIN_USER);
$tbl_blogs_rel_user = Database::get_course_table(TABLE_BLOGS_REL_USER);
echo '< legend > '.get_lang('RightsManager').'< / legend > ';
echo '< br / > ';
// Integration of patricks permissions system.
require_once api_get_path(SYS_CODE_PATH).'permissions/blog_permissions.inc.php';
}
/**
* Displays the form to create a new post
* @author Toon Keppens
*
* @param Integer $blog_id
*/
public static function display_new_comment_form($blog_id, $post_id, $title)
{
$form = new FormValidator(
'add_post',
'post',
api_get_path(WEB_CODE_PATH)."blog/blog.php?action=view_post& blog_id=" . intval($blog_id) . "& post_id=".intval($post_id)."& ".api_get_cidreq(),
null,
array('enctype' => 'multipart/form-data')
);
$header = get_lang('AddNewComment');
if (isset($_GET['task_id'])) {
$header = get_lang('ExecuteThisTask');
}
$form->addHeader($header);
$form->addText('title', get_lang('Title'));
$config = array();
if (!api_is_allowed_to_edit()) {
$config['ToolbarSet'] = 'ProjectComment';
} else {
$config['ToolbarSet'] = 'ProjectCommentStudent';
}
$form->addHtmlEditor('comment', get_lang('Comment'), false, false, $config);
$form->addFile('user_upload', get_lang('AddAnAttachment'));
$form->addTextarea('post_file_comment', get_lang('FileComment'));
$form->addHidden('action', null);
$form->addHidden('comment_parent_id', 0);
if (isset($_GET['task_id'])) {
$form->addHidden('new_task_execution_submit', 'true');
$form->addHidden('task_id', intval($_GET['task_id']));
} else {
$form->addHidden('new_comment_submit', 'true');
}
$form->addButton('save', get_lang('Save'));
$form->display();
}
/**
* 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;
$blogId = isset($_GET['blog_id']) ? intval($_GET['blog_id']) : null;
$filter = isset($_GET['filter']) ? Security::remove_XSS($_GET['filter']) : null;
$backwardsURL = api_get_self()."?blog_id=" . $blogId."& filter=" . $filter."& month=". ($month == 1 ? 12 : $month -1)."& year=". ($month == 1 ? $year -1 : $year);
$forewardsURL = api_get_self()."?blog_id=" . $blogId."& filter=" . $filter."& month=". ($month == 12 ? 1 : $month +1)."& year=". ($month == 12 ? $year +1 : $year);
// Get posts for this month
$sql = "SELECT post.*, DAYOFMONTH(date_creation) as post_day, user.lastname, user.firstname
FROM $tbl_blogs_posts post
INNER JOIN $tbl_users user
ON post.author_id = user.user_id
WHERE
post.c_id = $course_id AND
post.blog_id = '".(int)$blog_id."' AND
MONTH(date_creation) = '".(int)$month."' AND
YEAR(date_creation) = '".(int)$year."'
ORDER BY date_creation";
$result = Database::query($sql);
// We will create an array of days on which there are posts.
if( Database::num_rows($result) > 0) {
while($blog_post = Database::fetch_array($result)) {
// If the day of this post is not yet in the array, add it.
if(!in_array($blog_post['post_day'], $posts))
$posts[] = $blog_post['post_day'];
}
}
// Get tasks for this month
if($_user['user_id']) {
$sql = " SELECT task_rel_user.*, DAYOFMONTH(target_date) as task_day, task.title, blog.blog_name
FROM $tbl_blogs_tasks_rel_user task_rel_user
INNER JOIN $tbl_blogs_tasks task ON task_rel_user.task_id = task.task_id
INNER JOIN $tbl_blogs blog ON task_rel_user.blog_id = blog.blog_id
WHERE
task_rel_user.c_id = $course_id AND
task.c_id = $course_id AND
blog.c_id = $course_id AND
task_rel_user.user_id = '".(int)$_user['user_id']."'
AND MONTH(target_date) = '".(int)$month."'
AND YEAR(target_date) = '".(int)$year."'
ORDER BY target_date ASC";
$result = Database::query($sql);
if (Database::num_rows($result) > 0)
{
while($mytask = Database::fetch_array($result))
{
$tasks[$mytask['task_day']][$mytask['task_id']]['task_id'] = $mytask['task_id'];
$tasks[$mytask['task_day']][$mytask['task_id']]['title'] = $mytask['title'];
$tasks[$mytask['task_day']][$mytask['task_id']]['blog_id'] = $mytask['blog_id'];
$tasks[$mytask['task_day']][$mytask['task_id']]['blog_name'] = $mytask['blog_name'];
$tasks[$mytask['task_day']][$mytask['task_id']]['day'] = $mytask['task_day'];
//echo '< li > < a href = "blog.php?action=execute_task&blog_id=' . $mytask['blog_id'] . '&task_id='.stripslashes($mytask['task_id']) . '" title = "[Blog: ' . $mytask['blog_name'] . '] ' . get_lang('ExecuteThisTask') . '" > '.stripslashes($mytask['title']) . '< / a > < / li > ';
}
}
}
echo '< table id = "smallcalendar" class = "data_table" > ',
"< tr id = \"title\" > \n",
"< th width = \"10%\" > < a href = \"", $ backwardsURL , " \ " > « < / a > < / th > \n",
"< th align = \"center\" width = \"80%\" colspan = \"5\" > ", $monthName, " ", $year, "< / th > \n",
"< th width = \"10%\" align = \"right\" > < a href = \"", $ forewardsURL , " \ " > » < / a > < / th > \n", "< / tr > \n";
echo "< tr > \n";
for($ii = 1; $ii < 8 ; $ ii + + )
echo "< td class = \"weekdays\" > ", $DaysShort[$ii % 7], "< / td > \n";
echo "< / tr > \n";
$curday = -1;
$today = getdate();
while($curday < = $numberofdays[$month])
{
echo "< tr > \n";
for($ii = 0; $ii < 7 ; $ ii + + )
{
if(($curday == -1) & & ($ii == $startdayofweek))
$curday = 1;
if(($curday > 0) & & ($curday < = $numberofdays[$month])) {
$bgcolor = $ii < 5 ? $ class = "class=\" days_week \ " " : $ class = "class=\" days_weekend \ " " ;
$dayheader = "$curday";
if(($curday == $today['mday']) & & ($year == $today['year']) & & ($month == $today['mon']))
{
$dayheader = "$curday";
$class = "class=\"days_today\"";
}
echo "\t< td " . $ class . " > ";
// If there are posts on this day, create a filter link.
if(in_array($curday, $posts))
echo '< a href = "blog.php?blog_id=' . $blog_id . '&filter=' . $year . '-' . $month . '-' . $curday . '&month=' . $month . '&year=' . $year . '" title = "' . get_lang('ViewPostsOfThisDay') . '" > ' . $curday . '< / a > ';
else
echo $dayheader;
if (count($tasks) > 0)
{
if (is_array($tasks[$curday]))
{
// Add tasks to calendar
foreach ($tasks[$curday] as $task)
{
echo '< a href = "blog.php?action=execute_task&blog_id=' . $task['blog_id'] . '&task_id='.stripslashes($task['task_id']) . '" title = "' . $task['title'] . ' : ' . get_lang('InBlog') . ' : ' . $task['blog_name'] . ' - ' . get_lang('ExecuteThisTask') . '" > < img src = "../img/blog_task.gif" alt = "Task" title = "' . get_lang('ExecuteThisTask') . '" / > < / a > ';
}
}
}
echo "< / td > \n";
$curday ++;
}
else
echo "< td > < / td > \n";
}
echo "< / tr > \n";
}
echo "< / table > \n";
}
/**
* Blog admin | Display the form to add a new blog.
*
*/
public static function display_new_blog_form()
{
$form = new FormValidator('add_blog', 'post', 'blog_admin.php?action=add');
$form->addElement('header', get_lang('AddBlog'));
$form->addElement('text', 'blog_name', get_lang('Title'));
$form->addElement('textarea', 'blog_subtitle', get_lang('SubTitle'));
$form->addElement('hidden', 'new_blog_submit', 'true');
$form->addButtonSave(get_lang('SaveProject'));
$defaults = array(
'blog_name' => isset($_POST['blog_name']) ? Security::remove_XSS($_POST['blog_name']) : null,
'blog_subtitle' => isset($_POST['blog_subtitle']) ? Security::remove_XSS($_POST['blog_subtitle']) : null
);
$form->setDefaults($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();
$blog_id= intval($blog_id);
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$sql = "SELECT blog_id, blog_name, blog_subtitle FROM $tbl_blogs WHERE c_id = $course_id AND blog_id = '".$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']);
}
$form = new FormValidator('edit_blog', 'post','blog_admin.php?action=edit&blog_id='.intval($_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->addButtonSave(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, session_id
FROM $tbl_blogs WHERE c_id = $course_id
ORDER BY date_creation DESC";
$result = Database::query($sql);
$list_info = array();
if (Database::num_rows($result)) {
while ($row_project=Database::fetch_row($result)) {
$list_info[]=$row_project;
}
}
$list_content_blog = array();
$list_body_blog = array();
$_user = api_get_user_info();
if (is_array($list_info)) {
foreach ($list_info as $key => $info_log) {
// Validation when belongs to a session
$session_img = api_get_session_image($info_log[4], $_user['status']);
$url_start_blog = 'blog.php' ."?". "blog_id=".$info_log[3]. "& ".api_get_cidreq();
$title = $info_log[0];
$image = '< img src = "../img/blog.gif" border = "0" align = "absmiddle" alt = "' . $title . '" > '."\n";
$list_name = '< div style = "float: left; width: 35px; height: 22px;" > < a href = "'.$url_start_blog.'" > ' . $image . '< / a > < / div > < a href = "'.$url_start_blog.'" > ' .$title. '< / a > ' . $session_img . "\n";
$list_body_blog[] = $list_name;
$list_body_blog[] = $info_log[1];
$visibility_icon=($info_log[2]==0) ? 'invisible' : 'visible';
$visibility_info=($info_log[2]==0) ? 'Visible' : 'Invisible';
$my_image = '< a href = "' .api_get_self(). '?action=edit&blog_id=' . $info_log[3] . '" > ';
$my_image.= '< img src = "../img/edit.gif" border = "0" title = "' . get_lang('EditBlog') . '" / > ';
$my_image.= "< / a > \n";
$my_image.= '< a href = "' .api_get_self(). '?action=delete&blog_id=' . $info_log[3] . '" ' ;
$my_image.= 'onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang("ConfirmYourChoice"),ENT_QUOTES,$charset)). '\')) return false;" >';
$my_image.= '< img src = "../img/delete.gif" border = "0" title = "' . get_lang('DeleteBlog') . '" / > ';
$my_image.= "< / a > \n";
$my_image.= '< a href = "' .api_get_self(). '?action=visibility&blog_id=' . $info_log[3] . '" > ';
$my_image.= '< img src = "../img/' . $visibility_icon . '.gif" border = "0" title = "' . get_lang($visibility_info) . '" / > ';
$my_image.= "< / a > \n";
$list_body_blog[]=$my_image;
$list_content_blog[]=$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);
$blog_id = intval($blog_id);
$comment_id = intval($comment_id);
$post_id = intval($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)
{
global $_course;
$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$blog_id = intval($blog_id);
$comment_id = intval($comment_id);
$post_id = intval($post_id);
$course_id = api_get_course_int_id();
// delete files in DB
if (!empty ($post_id) & & is_numeric($post_id) )
{
$where.=' AND post_id ="'.$post_id.'" ';
}
if (!empty ($comment_id) & & is_numeric($comment_id) )
{
if (!empty ($post_id) )
{
$where.= ' AND ';
}
$where.=' comment_id ="'.$comment_id.'" ';
}
// delete all files in directory
$courseDir = $_course['path'].'/upload/blog';
$sys_course_path = api_get_path(SYS_COURSE_PATH);
$updir = $sys_course_path.$courseDir;
$sql= 'SELECT path FROM '.$blog_table_attachment.' WHERE c_id = '.$course_id.' AND blog_id ="'.intval($blog_id).'" '.$where;
$result=Database::query($sql);
while ($row=Database::fetch_row($result))
{
$file=$updir.'/'.$row[0];
if (Security::check_abs_path($file,$updir) )
{
@ unlink($file);
}
}
$sql = 'DELETE FROM '. $blog_table_attachment.' WHERE c_id = '.$course_id.' AND blog_id ="'.intval($blog_id).'" '.$where;
Database::query($sql);
}
/**
* Gets all the post from a given user id
* @param string db course name
* @param int user id
*/
function get_blog_post_from_user($course_code, $user_id) {
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blog_post = Database::get_course_table(TABLE_BLOGS_POSTS);
$course_info = api_get_course_info($course_code);
$course_id = $course_info['real_id'];
$sql = "SELECT DISTINCT blog.blog_id, post_id, title, full_text, post.date_creation
FROM $tbl_blogs blog INNER JOIN $tbl_blog_post post
ON (blog.blog_id = post.blog_id)
WHERE
blog.c_id = $course_id AND
post.c_id = $course_id AND
author_id = $user_id AND visibility = 1
ORDER BY post.date_creation DESC ";
$result = Database::query($sql);
$return_data = '';
if (Database::num_rows($result)!=0) {
while ($row=Database::fetch_array($result)) {
$return_data.= '< div class = "clear" > < / div > < br / > ';
$return_data.= '< div class = "actions" style = "margin-left:5px;margin-right:5px;" > '.Display::return_icon('blog_article.png',get_lang('BlogPosts')).' '.$row['title'].' < div style = "float:right;margin-top:-18px" > < a href = "../blog/blog.php?blog_id='.$row['blog_id'].'&gidReq=&cidReq='.$my_course_id.' " > '.get_lang('SeeBlog').'< / a > < / div > < / div > ';
$return_data.= '< br / > ';
$return_data.= $row['full_text'];
$return_data.= '< br / > < br / > ';
}
}
return $return_data;
}
/**
* Gets all the post comments from a given user id
* @param string db course name
* @param int user id
*/
function get_blog_comment_from_user($course_code, $user_id) {
$tbl_blogs = Database::get_course_table(TABLE_BLOGS);
$tbl_blog_comment = Database::get_course_table(TABLE_BLOGS_COMMENTS);
$user_id = intval($user_id);
$course_info = api_get_course_info($course_code);
$course_id = $course_info['real_id'];
$sql = "SELECT DISTINCT blog.blog_id, comment_id, title, comment, comment.date_creation
FROM $tbl_blogs blog INNER JOIN $tbl_blog_comment comment
ON (blog.blog_id = comment.blog_id)
WHERE blog.c_id = $course_id AND
comment.c_id = $course_id AND
author_id = $user_id AND
visibility = 1
ORDER BY blog_name";
$result = Database::query($sql);
$return_data = '';
if (Database::num_rows($result)!=0) {
while ($row=Database::fetch_array($result)) {
$return_data.= '< div class = "clear" > < / div > < br / > ';
$return_data.= '< div class = "actions" style = "margin-left:5px;margin-right:5px;" > '.$row['title'].' < div style = "float:right;margin-top:-18px" > < a href = "../blog/blog.php?blog_id='.$row['blog_id'].'&gidReq=&cidReq='.Security::remove_XSS($course_code).' " > '.get_lang('SeeBlog').'< / a > < / div > < / div > ';
$return_data.= '< br / > ';
//$return_data.= '< strong > '.$row['title'].'< / strong > '; echo '< br > ';*/
$return_data.= $row['comment'];
$return_data.= '< br / > ';
}
}
return $return_data;
}
?>
