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f950af3c43
All the page headers work correctly also on the site course. On the site page the modules don't require login unless necessary or required by $CFG->forcelogin.
514 lines
19 KiB
PHP
514 lines
19 KiB
PHP
<?PHP // $Id$
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// Edit and save a new post to a discussion
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require_once("../../config.php");
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require_once("lib.php");
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if (isguest()) {
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error(get_string("noguestpost", "forum"), $_SERVER["HTTP_REFERER"]);
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}
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require_login(0, false); // Script is useless unless they're logged in
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if ($post = data_submitted()) {
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if (!empty($post->course)) {
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if ($course = get_record('course', 'id', $post->course)) {
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if (!empty($course->lang)) {
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$CFG->courselang = $course->lang;
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}
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}
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}
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if (empty($SESSION->fromurl)) {
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$errordestination = "$CFG->wwwroot/mod/forum/view.php?f=$post->forum";
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} else {
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$errordestination = $SESSION->fromurl;
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}
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$post->subject = strip_tags($post->subject, '<lang>'); // Strip all tags except lang
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$post->subject = break_up_long_words($post->subject);
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//$post->message = clean_text($post->message, $post->format); // Clean up any bad tags
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$post->attachment = isset($_FILES['attachment']) ? $_FILES['attachment'] : NULL;
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if (!$cm = get_coursemodule_from_instance("forum", $post->forum, $post->course)) { // For the logs
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$cm->id = 0;
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}
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if (!$post->subject or !$post->message) {
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$post->error = get_string("emptymessage", "forum");
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} else if ($post->edit) { // Updating a post
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$post->id = $post->edit;
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if (forum_update_post($post)) {
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add_to_log($post->course, "forum", "update post",
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"discuss.php?d=$post->discussion&parent=$post->id", "$post->id", $cm->id);
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$message = get_string("postupdated", "forum");
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$timemessage = 1;
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if ($subscribemessage = forum_post_subscription($post)) {
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$timemessage = 2;
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}
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redirect(forum_go_back_to("discuss.php?d=$post->discussion#$post->id"), $message.$subscribemessage, $timemessage);
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} else {
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error(get_string("couldnotupdate", "forum"), $errordestination);
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}
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exit;
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} else if ($post->discussion) { // Adding a new post to an existing discussion
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if ($post->id = forum_add_new_post($post)) {
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add_to_log($post->course, "forum", "add post",
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"discuss.php?d=$post->discussion&parent=$post->id", "$post->id", $cm->id);
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$message = get_string("postadded", "forum", format_time($CFG->maxeditingtime));
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$timemessage = 2;
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if ($subscribemessage = forum_post_subscription($post)) {
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$timemessage = 4;
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}
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redirect(forum_go_back_to("discuss.php?d=$post->discussion#$post->id"), $message.$subscribemessage, $timemessage);
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} else {
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error(get_string("couldnotadd", "forum"), $errordestination);
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}
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exit;
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} else { // Adding a new discussion
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$discussion = $post;
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$discussion->name = $post->subject;
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$discussion->intro = $post->message;
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if ($discussion->id = forum_add_discussion($discussion)) {
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add_to_log($post->course, "forum", "add discussion",
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"discuss.php?d=$discussion->id", "$discussion->id", $cm->id);
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$message = get_string("postadded", "forum", format_time($CFG->maxeditingtime));
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$timemessage = 2;
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if ($subscribemessage = forum_post_subscription($discussion)) {
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$timemessage = 4;
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}
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redirect(forum_go_back_to("view.php?f=$post->forum"), $message.$subscribemessage, $timemessage);
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} else {
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error(get_string("couldnotadd", "forum"), $errordestination);
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}
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exit;
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}
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}
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if ($usehtmleditor = can_use_richtext_editor()) {
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$defaultformat = FORMAT_HTML;
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} else {
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$defaultformat = FORMAT_MOODLE;
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}
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if (isset($post->error)) { // User is re-editing a failed posting
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// Set up all the required objects again, and reuse the same $post
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if (! $forum = get_record("forum", "id", $post->forum)) {
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error("The forum number was incorrect ($post->forum)");
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}
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if (! $course = get_record("course", "id", $forum->course)) {
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error("The course number was incorrect ($forum->course)");
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}
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if (!empty($post->parent)) {
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if (! $parent = forum_get_post_full($post->parent)) {
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error("Parent post ID was incorrect ($post->parent)");
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}
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}
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if (!empty($post->discussion)) {
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if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
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error("This post is not part of a discussion! ($post->discussion)");
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}
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}
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} else if (isset($forum)) { // User is starting a new discussion in a forum
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$SESSION->fromurl = $_SERVER["HTTP_REFERER"];
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if (! $forum = get_record("forum", "id", $forum)) {
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error("The forum number was incorrect ($forum)");
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}
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if (! $course = get_record("course", "id", $forum->course)) {
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error("The course number was incorrect ($forum->course)");
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}
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if (! forum_user_can_post_discussion($forum)) {
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error("Sorry, but you can not post a new discussion in this forum.");
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}
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if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
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if (!$cm->visible and !isteacher($course->id)) {
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error(get_string("activityiscurrentlyhidden"));
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}
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}
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// Load up the $post variable.
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$post->course = $course->id;
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$post->forum = $forum->id;
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$post->discussion = 0; // ie discussion # not defined yet
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$post->parent = 0;
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$post->subject = "";
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$post->userid = $USER->id;
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$post->message = "";
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$post->format = $defaultformat;
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$post->groupid = get_current_group($course->id);
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if (isteacheredit($course->id) and $post->groupid == 0) {
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$post->groupid = -1;
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}
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forum_set_return();
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} else if (isset($reply)) { // User is writing a new reply
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if (! $parent = forum_get_post_full($reply)) {
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error("Parent post ID was incorrect");
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}
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if (! $discussion = get_record("forum_discussions", "id", $parent->discussion)) {
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error("This post is not part of a discussion!");
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}
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if (! $forum = get_record("forum", "id", $discussion->forum)) {
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error("The forum number was incorrect ($discussion->forum)");
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}
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if (! $course = get_record("course", "id", $discussion->course)) {
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error("The course number was incorrect ($discussion->course)");
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}
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if (! forum_user_can_post($forum)) {
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error("Sorry, but you can not post in this forum.");
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}
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if ($cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
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if (groupmode($course, $cm) and !isteacheredit($course->id)) { // Make sure user can post here
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if (mygroupid($course->id) != $discussion->groupid) {
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error("Sorry, but you can not post in this discussion.");
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}
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}
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if (!$cm->visible and !isteacher($course->id)) {
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error(get_string("activityiscurrentlyhidden"));
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}
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}
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// Load up the $post variable.
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$post->course = $course->id;
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$post->forum = $forum->id;
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$post->discussion = $parent->discussion;
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$post->parent = $parent->id;
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$post->subject = $parent->subject;
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$post->userid = $USER->id;
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$post->message = "";
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$post->format = $defaultformat;
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$strre = get_string('re', 'forum');
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if (!(substr($post->subject, 0, strlen($strre)) == $strre)) {
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$post->subject = $strre.' '.$post->subject;
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}
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unset($SESSION->fromdiscussion);
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} else if (isset($edit)) { // User is editing their own post
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$adminedit = (isadmin() and !empty($CFG->admineditalways));
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if (! $post = forum_get_post_full($edit)) {
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error("Post ID was incorrect");
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}
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if (($post->userid <> $USER->id) and !$adminedit) {
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error("You can't edit other people's posts!");
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}
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if (((time() - $post->created) > $CFG->maxeditingtime) and !$adminedit) {
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error( get_string("maxtimehaspassed", "forum", format_time($CFG->maxeditingtime)) );
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}
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if ($post->parent) {
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if (! $parent = forum_get_post_full($post->parent)) {
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error("Parent post ID was incorrect ($post->parent)");
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}
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}
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if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
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error("This post is not part of a discussion! ($reply)");
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}
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if (! $forum = get_record("forum", "id", $discussion->forum)) {
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error("The forum number was incorrect ($discussion->forum)");
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}
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if (! $course = get_record("course", "id", $discussion->course)) {
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error("The course number was incorrect ($discussion->course)");
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}
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// Load up the $post variable.
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$post->edit = $edit;
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$post->course = $course->id;
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$post->forum = $forum->id;
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unset($SESSION->fromdiscussion);
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} else if (isset($delete)) { // User is deleting a post
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if (! $post = forum_get_post_full($delete)) {
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error("Post ID was incorrect");
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}
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if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
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error("This post is not part of a discussion!");
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}
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if (! $forum = get_record("forum", "id", $discussion->forum)) {
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error("The forum number was incorrect ($discussion->forum)");
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}
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if (($post->userid <> $USER->id) and !isteacher($forum->course)) {
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error("You can't delete other people's posts!");
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}
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if (!empty($forum->course)) {
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if ($course = get_record('course', 'id', $forum->course)) {
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if (!empty($course->lang)) {
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$CFG->courselang = $course->lang;
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}
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}
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}
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if (isset($confirm)) { // User has confirmed the delete
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if ($post->totalscore) {
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notice(get_string("couldnotdeleteratings", "forum"),
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forum_go_back_to("discuss.php?d=$post->discussion"));
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} else if (record_exists("forum_posts", "parent", $delete)) {
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error(get_string("couldnotdeletereplies", "forum"),
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forum_go_back_to("discuss.php?id=$post->discussion"));
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} else {
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if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $forum->course)) { // For the logs
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$cm->id = 0;
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}
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if (! $post->parent) { // post is a discussion topic as well, so delete discussion
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if ($forum->type == "single") {
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notice("Sorry, but you are not allowed to delete that discussion!",
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forum_go_back_to("discuss.php?d=$post->discussion"));
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}
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forum_delete_discussion($discussion);
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add_to_log($discussion->course, "forum", "delete discussion",
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"view.php?id=$cm->id", "$forum->id", $cm->id);
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redirect("view.php?f=$discussion->forum",
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get_string("deleteddiscussion", "forum"), 1);
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} else if (forum_delete_post($post)) {
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add_to_log($discussion->course, "forum", "delete post",
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"discuss.php?d=$post->discussion", "$post->id", $cm->id);
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redirect(forum_go_back_to("discuss.php?d=$post->discussion"),
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get_string("deletedpost", "forum"), 1);
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} else {
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error("An error occurred while deleting record $post->id");
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}
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}
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} else { // User just asked to delete something
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forum_set_return();
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print_header();
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notice_yesno(get_string("deletesure", "forum"),
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"post.php?delete=$delete&confirm=$delete",
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$_SERVER["HTTP_REFERER"]);
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echo "<CENTER><HR>";
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forum_print_post($post, $forum->course, $ownpost=false, $reply=false, $link=false);
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}
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die;
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} else if (isset($prune)) { // Teacher is pruning
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if (! $post = forum_get_post_full($prune)) {
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error("Post ID was incorrect");
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}
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if (! $discussion = get_record("forum_discussions", "id", $post->discussion)) {
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error("This post is not part of a discussion!");
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}
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if (! $forum = get_record("forum", "id", $discussion->forum)) {
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error("The forum number was incorrect ($discussion->forum)");
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}
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if (!isteacher($forum->course)) {
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error("You can't split discussions!");
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}
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if (!$post->parent) {
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error('This is already the first post in the discussion');
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}
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if (isset($_REQUEST['name'])) { // User has confirmed the prune
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$newdiscussion->course = $discussion->course;
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$newdiscussion->forum = $discussion->forum;
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$newdiscussion->name = $name;
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$newdiscussion->firstpost = $post->id;
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$newdiscussion->userid = $discussion->userid;
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$newdiscussion->groupid = $discussion->groupid;
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$newdiscussion->assessed = $discussion->assessed;
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$newdiscussion->usermodified = $post->userid;
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if (!$newid = insert_record('forum_discussions', $newdiscussion)) {
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error('Could not create new discussion');
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}
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$newpost->id = $post->id;
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$newpost->parent = 0;
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$newpost->subject = $name;
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if (!update_record("forum_posts", $newpost)) {
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error('Could not update the original post');
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}
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forum_change_discussionid($post->id, $newid);
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// set timemodified to time of last post in each discussion
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$lastpost = get_record_sql("SELECT MAX(modified) AS time
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FROM {$CFG->prefix}forum_posts
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WHERE discussion = '$discussion->id'");
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set_field('forum_discussions', 'timemodified', $lastpost->time, 'id', $discussion->id);
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$lastpost = get_record_sql("SELECT MAX(modified) AS time
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FROM {$CFG->prefix}forum_posts
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WHERE discussion = '$newid'");
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set_field('forum_discussions', 'timemodified', $lastpost->time, 'id', $newid);
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if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $forum->course)) { // For the logs
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$cm->id = 0;
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}
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add_to_log($discussion->course, "forum", "prune post",
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"discuss.php?d=$newid", "$post->id", $cm->id);
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redirect(forum_go_back_to("discuss.php?d=$newid"), get_string("prunedpost", "forum"), 1);
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} else { // User just asked to prune something
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$course = get_record('course', 'id', $forum->course);
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$strforums = get_string("modulenameplural", "forum");
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print_header_simple("$discussion->name: $post->subject", "",
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"<a href=\"../forum/index.php?id=$course->id\">$strforums</a> ->
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<a href=\"view.php?f=$forum->id\">$forum->name</a> ->
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<a href=\"discuss.php?d=$discussion->id\">$post->subject</a> -> ".
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get_string("prune", "forum"), '', "", true, "", navmenu($course, $cm));
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print_heading(get_string('pruneheading', 'forum'));
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echo '<center>';
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include('prune.html');
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forum_print_post($post, $forum->course, $ownpost=false, $reply=false, $link=false);
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}
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die;
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} else {
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error("No operation specified");
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}
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// To get here they need to edit a post, and the $post
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// variable will be loaded with all the particulars,
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// so bring up the form.
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// $course, $forum are defined. $discussion is for edit and reply only.
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require_login($course->id);
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if ($post->discussion) {
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if (! $toppost = get_record("forum_posts", "discussion", $post->discussion, "parent", 0)) {
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error("Could not find top parent of post $post->id");
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}
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} else {
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$toppost->subject = get_string("yournewtopic", "forum");
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}
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if (empty($post->subject)) {
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$formstart = "theform.subject";
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} else {
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$formstart = "";
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}
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if ($post->parent) {
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$navtail = "<A HREF=\"discuss.php?d=$discussion->id\">$toppost->subject</A> -> ".get_string("editing", "forum");
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} else {
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$navtail = "$toppost->subject";
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}
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if (empty($post->edit)) {
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$post->edit = "";
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}
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$strforums = get_string("modulenameplural", "forum");
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$navmiddle = "<A HREF=\"../forum/index.php?id=$course->id\">$strforums</A> -> <A HREF=\"view.php?f=$forum->id\">$forum->name</A>";
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$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id);
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if (empty($discussion->name)) {
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$discussion->name = $forum->name;
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}
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if ($course->category) {
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print_header("$course->shortname: $discussion->name: $toppost->subject", "$course->fullname",
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"<A HREF=../../course/view.php?id=$course->id>$course->shortname</A> ->
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$navmiddle -> $navtail", $formstart, "", true, "", navmenu($course, $cm));
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} else {
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print_header("$course->shortname: $discussion->name: $toppost->subject", "$course->fullname",
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"$navmiddle -> $navtail", "$formstart", "", true, "", navmenu($course, $cm));
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}
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if (!empty($parent)) {
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forum_print_post($parent, $course->id, $ownpost=false, $reply=false, $link=false);
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if (empty($post->edit)) {
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forum_print_posts_threaded($parent->id, $course, 0, false, false);
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}
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echo "<center>";
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echo "<H2>".get_string("yourreply", "forum").":</H2>";
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} else {
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echo "<center>";
|
|
echo "<H2>".get_string("yournewtopic", "forum")."</H2>";
|
|
}
|
|
if (!empty($post->error)) {
|
|
notify($post->error);
|
|
}
|
|
echo "</center>";
|
|
|
|
print_simple_box_start("center", "", "$THEME->cellheading");
|
|
require("post.html");
|
|
print_simple_box_end();
|
|
|
|
if ($usehtmleditor) {
|
|
use_html_editor("message");
|
|
}
|
|
|
|
print_footer($course);
|
|
|
|
|
|
?>
|