5 * index page to view blogs. if no blog is specified then site wide entries are shown
6 * if a blog id is specified then the latest entries from that blog are shown
9 require_once(dirname(dirname(__FILE__
)).'/config.php');
10 require_once($CFG->dirroot
.'/blog/lib.php');
11 require_once($CFG->dirroot
.'/blog/locallib.php');
12 require_once($CFG->dirroot
.'/course/lib.php');
13 require_once($CFG->dirroot
.'/tag/lib.php');
14 require_once($CFG->dirroot
.'/comment/lib.php');
16 $id = optional_param('id', null, PARAM_INT
);
17 $start = optional_param('formstart', 0, PARAM_INT
);
18 $tag = optional_param('tag', '', PARAM_NOTAGS
);
19 $userid = optional_param('userid', null, PARAM_INT
);
20 $tagid = optional_param('tagid', null, PARAM_INT
);
21 $modid = optional_param('modid', null, PARAM_INT
);
22 $entryid = optional_param('entryid', null, PARAM_INT
);
23 $groupid = optional_param('groupid', null, PARAM_INT
);
24 $courseid = optional_param('courseid', null, PARAM_INT
);
25 $search = optional_param('search', null, PARAM_RAW
);
29 $url_params = compact('id', 'start', 'tag', 'userid', 'tagid', 'modid', 'entryid', 'groupid', 'courseid', 'search');
30 foreach ($url_params as $var => $val) {
32 unset($url_params[$var]);
35 $PAGE->set_url('/blog/index.php', $url_params);
37 if (empty($CFG->enableblogs
)) {
38 print_error('blogdisable', 'blog');
41 //correct tagid if a text tag is provided as a param
43 if ($tagrec = $DB->get_record('tag', array('name' => $tag))) {
50 // add courseid if modid or groupid is specified: This is used for navigation and title
51 if (!empty($modid) && empty($courseid)) {
52 $courseid = $DB->get_field('course_modules', 'course', array('id'=>$modid));
55 if (!empty($groupid) && empty($courseid)) {
56 $courseid = $DB->get_field('groups', 'courseid', array('id'=>$groupid));
59 $sitecontext = context_system
::instance();
60 // Blogs are always in system context.
61 $PAGE->set_context($sitecontext);
63 // check basic permissions
64 if ($CFG->bloglevel
== BLOG_GLOBAL_LEVEL
) {
65 // everybody can see anything - no login required unless site is locked down using forcelogin
66 if ($CFG->forcelogin
) {
70 } else if ($CFG->bloglevel
== BLOG_SITE_LEVEL
) {
71 // users must log in and can not be guests
74 // they must have entered the url manually...
75 print_error('blogdisable', 'blog');
78 } else if ($CFG->bloglevel
== BLOG_USER_LEVEL
) {
79 // users can see own blogs only! with the exception of ppl with special cap
84 print_error('blogdisable', 'blog');
88 if (!$userid && has_capability('moodle/blog:view', $sitecontext) && $CFG->bloglevel
> BLOG_USER_LEVEL
) {
90 if (!$entryobject = $DB->get_record('post', array('id'=>$entryid))) {
91 print_error('nosuchentry', 'blog');
93 $userid = $entryobject->userid
;
95 } else if (!$userid) {
100 if ($CFG->bloglevel
< BLOG_SITE_LEVEL
) {
101 print_error(get_string('nocourseblogs', 'blog'));
103 if (!$mod = $DB->get_record('course_modules', array('id' => $modid))) {
104 print_error(get_string('invalidmodid', 'blog'));
106 $courseid = $mod->course
;
109 if ((empty($courseid) ?
true : $courseid == SITEID
) && empty($userid)) {
110 if ($CFG->bloglevel
< BLOG_SITE_LEVEL
) {
111 print_error('siteblogdisable', 'blog');
113 if (!has_capability('moodle/blog:view', $sitecontext)) {
114 print_error('cannotviewsiteblog', 'blog');
117 $COURSE = $DB->get_record('course', array('format'=>'site'));
118 $courseid = $COURSE->id
;
121 if (!empty($courseid)) {
122 if (!$course = $DB->get_record('course', array('id'=>$courseid))) {
123 print_error('invalidcourseid');
126 $courseid = $course->id
;
127 require_login($course);
129 if (!has_capability('moodle/blog:view', $sitecontext)) {
130 print_error('cannotviewcourseblog', 'blog');
133 $coursecontext = context_course
::instance(SITEID
);
136 if (!empty($groupid)) {
137 if ($CFG->bloglevel
< BLOG_SITE_LEVEL
) {
138 print_error('groupblogdisable', 'blog');
141 if (! $group = groups_get_group($groupid)) {
142 print_error(get_string('invalidgroupid', 'blog'));
145 if (!$course = $DB->get_record('course', array('id'=>$group->courseid
))) {
146 print_error('invalidcourseid');
149 $coursecontext = context_course
::instance($course->id
);
150 $courseid = $course->id
;
151 require_login($course);
153 if (!has_capability('moodle/blog:view', $sitecontext)) {
154 print_error(get_string('cannotviewcourseorgroupblog', 'blog'));
157 if (groups_get_course_groupmode($course) == SEPARATEGROUPS
&& !has_capability('moodle/site:accessallgroups', $coursecontext)) {
158 if (!groups_is_member($groupid)) {
159 print_error('notmemberofgroup');
164 if (!empty($userid)) {
165 if ($CFG->bloglevel
< BLOG_USER_LEVEL
) {
166 print_error('blogdisable', 'blog');
169 if (!$user = $DB->get_record('user', array('id'=>$userid))) {
170 print_error('invaliduserid');
173 if ($user->deleted
) {
174 echo $OUTPUT->header();
175 echo $OUTPUT->heading(get_string('userdeleted'));
176 echo $OUTPUT->footer();
180 if ($USER->id
== $userid) {
181 if (!has_capability('moodle/blog:create', $sitecontext)
182 && !has_capability('moodle/blog:view', $sitecontext)) {
183 print_error('donothaveblog', 'blog');
186 if (!has_capability('moodle/blog:view', $sitecontext) ||
!blog_user_can_view_user_entry($userid)) {
187 print_error('cannotviewcourseblog', 'blog');
190 $PAGE->navigation
->extend_for_user($user);
194 $courseid = (empty($courseid)) ? SITEID
: $courseid;
197 $blogheaders = blog_get_headers();
199 if ($CFG->enablerssfeeds
) {
203 list($thingid, $rsscontext, $filtertype) = blog_rss_get_params($blogheaders['filters']);
204 if (empty($rsscontext)) {
205 $rsscontext = context_system
::instance();
207 $rsstitle = $blogheaders['heading'];
209 //check we haven't started output by outputting an error message
210 if ($PAGE->state
== moodle_page
::STATE_BEFORE_HEADER
) {
211 blog_rss_add_http_header($rsscontext, $rsstitle, $filtertype, $thingid, $tagid);
214 //this works but there isn't a great place to put the link
215 //blog_rss_print_link($rsscontext, $filtertype, $thingid, $tagid);
218 echo $OUTPUT->header();
220 echo $OUTPUT->heading($blogheaders['heading'], 2);
222 $bloglisting = new blog_listing($blogheaders['filters']);
223 $bloglisting->print_entries();
225 echo $OUTPUT->footer();
227 add_to_log($courseid, 'blog', 'view', 'index.php?entryid='.$entryid.'&tagid='.@$tagid.'&tag='.$tag, 'view blog entry');