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('../config.php');
10 require_once($CFG->dirroot
.'/blog/lib.php');
11 require_once($CFG->libdir
.'/blocklib.php');
13 $id = optional_param('id', 0, PARAM_INT
);
14 $start = optional_param('formstart', 0, PARAM_INT
);
15 $userid = optional_param('userid', 0, PARAM_INT
);
16 $tag = optional_param('tag', '', PARAM_NOTAGS
);
17 $tagid = optional_param('tagid', 0, PARAM_INT
);
18 $postid = optional_param('postid', 0, PARAM_INT
);
19 $filtertype = optional_param('filtertype', '', PARAM_ALPHA
);
20 $filterselect = optional_param('filterselect', 0, PARAM_INT
);
22 $edit = optional_param('edit', -1, PARAM_BOOL
);
23 $courseid = optional_param('courseid', 0, PARAM_INT
); // needed for user tabs and course tracking
26 if (empty($CFG->bloglevel
)) {
27 error('Blogging is disabled!');
30 $sitecontext = get_context_instance(CONTEXT_SYSTEM
, SITEID
);
33 // change block edit staus if not guest and logged in
34 if (isloggedin() and !isguest() and $edit != -1) {
35 $SESSION->blog_editing_enabled
= $edit;
38 if (empty($filtertype)) {
39 if ($userid) { // default to user if specified
41 $filterselect = $userid;
42 } else if (has_capability('moodle/blog:view', $sitecontext) and $CFG->bloglevel
> BLOG_USER_LEVEL
) {
45 if (!$postobject = get_record('post', 'module', 'blog', 'id', $postid)) {
46 error('No such blog entry');
48 $filterselect = $postobject->userid
;
54 // user might have capability to write blogs, but not read blogs at site level
55 // users might enter this url manually without parameters
57 $filterselect = $USER->id
;
60 /// check access and prepare filters
62 switch ($filtertype) {
65 if ($CFG->bloglevel
< BLOG_SITE_LEVEL
) {
66 error('Site blogs is not enabled');
68 if ($CFG->bloglevel
< BLOG_GLOBAL_LEVEL
) {
71 if (!has_capability('moodle/blog:view', $sitecontext)) {
72 error('You do not have the required permissions to view all site blogs');
77 if ($CFG->bloglevel
< BLOG_COURSE_LEVEL
) {
78 error('Course blogs is not enabled');
80 if (!$course = get_record('course', 'id', $filterselect)) {
81 error('Incorrect course id specified');
83 $courseid = $course->id
;
84 $coursecontext = get_context_instance(CONTEXT_COURSE
, $course->id
);
85 require_login($course);
86 if (!has_capability('moodle/blog:view', $coursecontext)) {
87 error('You do not have the required permissions to view blogs in this course');
92 if ($CFG->bloglevel
< BLOG_GROUP_LEVEL
) {
93 error('Group blogs is not enabled');
97 if (! $group = groups_get_group($filterselect)) { //TODO:check.
98 error('Incorrect group id specified');
100 if (!$course = get_record('course', 'id', $group->courseid
)) {
101 error('Incorrect course id specified');
103 $coursecontext = get_context_instance(CONTEXT_COURSE
, $course->id
);
104 $courseid = $course->id
;
105 require_login($course);
106 if (!has_capability('moodle/blog:view', $coursecontext)) {
107 error('You do not have the required permissions to view blogs in this course/group');
109 if (groups_get_course_groupmode($course) == SEPARATEGROUPS
110 and !has_capability('moodle/site:accessallgroups', $coursecontext)) {
111 if (!groups_is_member($filterselect)) {
112 error ('You are not a member of this course group');
119 if ($CFG->bloglevel
< BLOG_USER_LEVEL
) {
120 error('Blogs is not enabled');
122 if (!$user = get_record('user', 'id', $filterselect)) {
123 error('Incorrect user id');
125 if ($USER->id
== $filterselect) {
126 if (!has_capability('moodle/blog:create', $sitecontext)
127 and !has_capability('moodle/blog:view', $sitecontext)) {
128 error('You do not have your own blog, sorry.');
131 $personalcontext = get_context_instance(CONTEXT_USER
, $filterselect);
132 if (!has_capability('moodle/blog:view', $sitecontext)
133 and !has_capability('moodle/user:readuserblogs', $personalcontext)) {
134 error('You do not have the required permissions to read user blogs');
136 if (!blog_user_can_view_user_post($filterselect)) {
137 error('You can not view blog of this user, sorry.');
140 $userid = $filterselect;
142 if (!empty($courseid)) {
143 require_login($courseid);
149 error('Incorrect blog filter type specified');
153 if (empty($courseid)) {
157 include($CFG->dirroot
.'/blog/header.php');
159 blog_print_html_formatted_entries($postid, $filtertype, $filterselect, $tagid, $tag);
161 add_to_log($courseid, 'blog', 'view', 'index.php?filtertype='.$filtertype.'&filterselect='.$filterselect.'&postid='.$postid.'&tagid='.$tagid.'&tag='.$tag, 'view blog entry');
163 include($CFG->dirroot
.'/blog/footer.php');