MDL-37009 Display list of tagged courses using new renderer

course/renderer.php

@@ -1720,6 +1720,36 @@ public function search_courses($searchcriteria) {
         }
         return $content;
     }
+
+    /**
+     * Renders html to print list of courses tagged with particular tag
+     *
+     * @param int $tagid id of the tag
+     * @return string empty string if no courses are marked with this tag or rendered list of courses
+     */
+    public function tagged_courses($tagid) {
+        global $CFG;
+        $displayoptions = array('limit' => $CFG->coursesperpage);
+        $displayoptions['viewmoreurl'] = new moodle_url('/course/search.php',
+                array('tagid' => $tagid, 'page' => 1, 'perpage' => $CFG->coursesperpage));
+        $displayoptions['viewmoretext'] = new lang_string('findmorecourses');
+        $chelper = new coursecat_helper();
+        $searchcriteria = array('tagid' => $tagid);
+        $chelper->set_show_courses(self::COURSECAT_SHOW_COURSES_EXPANDED_WITH_CAT)->
+                set_search_criteria(array('tagid' => $tagid))->
+                set_courses_display_options($displayoptions)->
+                set_attributes(array('class' => 'course-search-result course-search-result-tagid'));
+                // (we set the same css class as in search results by tagid)
+        $courses = coursecat::search_courses($searchcriteria, $chelper->get_courses_display_options());
+        $totalcount = coursecat::search_courses_count($searchcriteria);
+        $content = $this->coursecat_courses($chelper, $courses, $totalcount);
+        if ($totalcount) {
+            require_once $CFG->dirroot.'/tag/lib.php';
+            $heading = get_string('courses') . ' ' . get_string('taggedwith', 'tag', tag_get_name($tagid)) .': '. $totalcount;
+            return $this->heading($heading, 3). $content;
+        }
+        return '';
+    }
 }
 
 /**

course/search.php

@@ -31,6 +31,7 @@
 $perpage   = optional_param('perpage', '', PARAM_RAW); // how many per page, may be integer or 'all'
 $blocklist = optional_param('blocklist', 0, PARAM_INT);
 $modulelist= optional_param('modulelist', '', PARAM_PLUGIN);
+$tagid     = optional_param('tagid', '', PARAM_INT);   // searches for courses tagged with this tag id
 
 // List of minimum capabilities which user need to have for editing/moving course
 $capabilities = array('moodle/course:create', 'moodle/category:manage');
@@ -43,7 +44,7 @@
 $site = get_site();
 
 $searchcriteria = array();
-foreach (array('search', 'blocklist', 'modulelist') as $param) {
+foreach (array('search', 'blocklist', 'modulelist', 'tagid') as $param) {
     if (!empty($$param)) {
         $searchcriteria[$param] = $$param;
     }

tag/index.php

@@ -76,6 +76,7 @@
 $PAGE->set_title($title);
 $PAGE->set_heading($COURSE->fullname);
 $PAGE->set_button($button);
+$courserenderer = $PAGE->get_renderer('core', 'course');
 echo $OUTPUT->header();
 
 // Manage all tags links
@@ -94,7 +95,7 @@
 tag_print_description_box($tag);
 // Check what type of results are avaialable
 require_once($CFG->dirroot.'/tag/coursetagslib.php');
-$courses = coursetag_get_tagged_courses($tag->id);
+$courses = $courserenderer->tagged_courses($tag->id);
 
 if (!empty($CFG->enableblogs) && has_capability('moodle/blog:view', $systemcontext)) {
     require_once($CFG->dirroot.'/blog/lib.php');
@@ -138,16 +139,10 @@
 // Display courses tagged with the tag
 if (!empty($courses)) {
 
-    $totalcount = count( $courses );
     echo $OUTPUT->box_start('generalbox', 'tag-blogs'); //could use an id separate from tag-blogs, but would have to copy the css style to make it look the same
 
-    $heading = get_string('courses') . ' ' . get_string('taggedwith', 'tag', $tagname) .': '. $totalcount;
     echo "<a name='course'></a>";
-    echo $OUTPUT->heading($heading, 3);
-
-    foreach ($courses as $course) {
-        print_course($course);
-    }
+    echo $courses;
 
     echo $OUTPUT->box_end();
 }