Plugin: BigBlueButton: Add pagination to conferences listing

Authored-By: @juan-cortizas-ponte

plugin/bbb/lib/bbb.lib.php

@@ -900,6 +900,8 @@ class bbb
      * @param int   $groupId
      * @param bool  $isAdminReport Optional. Set to true then the report is for admins
      * @param array $dateRange     Optional
+     * @param int   $start         Optional
+     * @param int   $limit         Optional
      *
      * @return array Array of current open meeting rooms
      * @throws Exception
@@ -909,7 +911,9 @@ class bbb
         $sessionId = 0,
         $groupId = 0,
         $isAdminReport = false,
-        $dateRange = []
+        $dateRange = [],
+        $start = 0,
+        $limit = 0
     ) {
         $em = Database::getManager();
         $manager = $this->isConferenceManager();
@@ -973,6 +977,10 @@ class bbb
 
         $conditions['order'] = 'created_at ASC';
 
+        if ($limit) {
+            $conditions['limit'] = "$start , $limit";
+        }
+
         $meetingList = Database::select(
             '*',
             $this->table,
@@ -1140,6 +1148,80 @@ class bbb
         return $newMeetingList;
     }
 
+    /**
+     * Counts all the course meetings saved in the plugin_bbb_meeting table.
+     *
+     * @param int   $courseId
+     * @param int   $sessionId
+     * @param int   $groupId
+     * @param array $dateRange
+     *
+     * @return int Count of meetings
+     * @throws Exception
+     */
+    public function getCountMeetings(
+        $courseId = 0,
+        $sessionId = 0,
+        $groupId = 0,
+        $dateRange = []
+    ) {
+        $conditions = [];
+        if ($courseId || $sessionId || $groupId) {
+            $conditions = array(
+                'where' => array(
+                    'c_id = ? AND session_id = ? ' => array($courseId, $sessionId),
+                ),
+            );
+
+            if ($this->hasGroupSupport()) {
+                $conditions = array(
+                    'where' => array(
+                        'c_id = ? AND session_id = ? AND group_id = ? ' => array(
+                            $courseId,
+                            $sessionId,
+                            $groupId,
+                        ),
+                    ),
+                );
+            }
+
+            if ($this->isGlobalConferencePerUserEnabled()) {
+                $conditions = array(
+                    'where' => array(
+                        'c_id = ? AND session_id = ? AND user_id = ?' => array(
+                            $courseId,
+                            $sessionId,
+                            $this->userId,
+                        ),
+                    ),
+                );
+            }
+        }
+
+        if (!empty($dateRange)) {
+            $dateStart = date_create($dateRange['search_meeting_start']);
+            $dateStart = date_format($dateStart, 'Y-m-d H:i:s');
+            $dateEnd = date_create($dateRange['search_meeting_end']);
+            $dateEnd = $dateEnd->add(new DateInterval('P1D'));
+            $dateEnd = date_format($dateEnd, 'Y-m-d H:i:s');
+
+            $conditions = array(
+                'where' => array(
+                    'created_at BETWEEN ? AND ? ' => array($dateStart, $dateEnd),
+                ),
+            );
+        }
+
+        $row = Database::select(
+            'count(*) as count',
+            $this->table,
+            $conditions,
+            'first'
+        );
+
+        return $row['count'];
+    }
+
     /**
      * @param array $meeting
      *

plugin/bbb/listing.php

@@ -357,11 +357,39 @@ if ($conferenceManager && $allowToEdit) {
     }
 }
 
+if (isset($_GET['page_id'])) {
+    $pageId = (int) $_GET['page_id'];
+}
+
+$meetingsCount = $bbb->getCountMeetings(
+    api_get_course_int_id(),
+    api_get_session_id(),
+    api_get_group_id()
+);
+
+$limit = 10;
+$pageNumber = ceil($meetingsCount / $limit);
+
+if (!isset($pageId)) {
+    $pageId = 1;
+}
+
+$start = ($pageId - 1) * $limit;
+
 $meetings = $bbb->getMeetings(
     api_get_course_int_id(),
     api_get_session_id(),
-    $groupId
+    api_get_group_id(),
+    false,
+    [],
+    $start,
+    $limit
 );
+
+if (empty($meetings)) {
+    $pageId = 0;
+}
+
 if (!empty($meetings)) {
     $meetings = array_reverse($meetings);
 }
@@ -460,6 +488,8 @@ $tpl->assign('show_join_button', $showJoinButton);
 $tpl->assign('message', $message);
 $tpl->assign('form', $formToString);
 $tpl->assign('enter_conference_links', $urlList);
+$tpl->assign('page_number', $pageNumber);
+$tpl->assign('page_id', $pageId);
 
 $content = $tpl->fetch('bbb/view/listing.tpl');
 

plugin/bbb/view/listing.tpl

@@ -111,6 +111,30 @@
             {% endfor %}
         </table>
     </div>
+    <nav>
+        <ul class="pagination">
+            <li class="page-item {% if page_id <= 1   %} disabled {% endif %} ">
+                <a class="page-link"
+                href=  "{{ _p.web_self_query_vars ~ '&' ~ {'page_id' : page_id - 1 }|url_encode() }}"  >
+                    Anterior
+                </a>
+            </li>
+            {% if page_number > 0 %}
+                {% for i in 1..page_number %}
+                    <li class="page-item {% if page_id == i %} active {% endif %} ">
+                        <a class="page-link" href="{{ _p.web_self_query_vars ~ '&' ~ {'page_id': i  }|url_encode() }}" >
+                        {{ i }}
+                        </a>
+                    </li>
+                {% endfor %}
+            {% endif %}
+            <li class="page-item {% if page_number <= page_id   %} disabled {% endif %} ">
+                <a class="page-link" href=  "{{ _p.web_self_query_vars ~ '&' ~ {'page_id' : page_id + 1 }|url_encode() }}">
+                Siguiente
+                </a>
+            </li>
+        </ul>
+    </nav>
 {% else %}
     <div class ="col-md-12" style="text-align:center">
         {{ 'ServerIsNotRunning' | get_plugin_lang('BBBPlugin') | return_message('warning') }}