MBS-7377: Fix workflowoverview for big instances

lang/de/tool_lifecycle.php

@@ -34,6 +34,10 @@
 $string['config_delay_duration_desc'] = 'Diese Einstellung definiert den Standardlänge einer Kursausschlusses in einem Workflow
  falls ein Prozess des Workflows zurückgesetzt oder beendigt wird. Die Länge des Kursausschlusses besagt, wie lange es dauert, bis
  der Kurs wieder vom Workflow bearbeitet wird.';
+$string['config_showcoursecounts'] = 'Zeige Anzahl der Kurse, die getriggert werden';
+$string['config_showcoursecounts_desc'] = 'Die Workflow-Konfigurationsseite zeigt normalerweise die Anzahl an Kursen, die durch
+die konfigurierten Trigger getriggert werden, was Performance-Probleme verursachen kann. Bei Performance-Problemen kann dies hiermit
+deaktiviert werden';
 $string['find_course_list_header'] = 'Kurse finden';
 $string['adminsettings_heading'] = 'Workflow-Einstellungen';
 $string['active_manual_workflows_heading'] = 'Aktive manuelle Workflows';

lang/en/tool_lifecycle.php

@@ -38,6 +38,10 @@
 $string['config_backup_path'] = 'Path of the lifecycle backup folder';
 $string['config_backup_path_desc'] = 'This settings defines the storage location of the backups created by the backup step.
 The path has to be specified as an absolute path on your server.';
+$string['config_showcoursecounts'] = 'Show amount of courses which will be triggered';
+$string['config_showcoursecounts_desc'] = 'The workflow overview page by default shows the amount of courses which will be
+triggered by the configured triggers which can be load heavy. Disable this option if you experience issues loading the workflow
+overview.';
 $string['find_course_list_header'] = 'Find courses';
 $string['adminsettings_heading'] = 'Workflow settings';
 $string['active_manual_workflows_heading'] = 'Active manual workflows';

settings.php

@@ -42,6 +42,11 @@
         get_string('config_backup_path_desc', 'tool_lifecycle'),
         $CFG->dataroot . DIRECTORY_SEPARATOR . 'lifecycle_backups'));
 
+    $settings->add(new admin_setting_configcheckbox('tool_lifecycle/showcoursecounts',
+        get_string('config_showcoursecounts', 'tool_lifecycle'),
+        get_string('config_showcoursecounts_desc', 'tool_lifecycle'),
+        1));
+
     $ADMIN->add('lifecycle_category', new admin_externalpage('tool_lifecycle_workflow_drafts',
         get_string('workflow_drafts_header', 'tool_lifecycle'),
         new moodle_url(\tool_lifecycle\urls::WORKFLOW_DRAFTS)));

templates/workflowoverview.mustache

@@ -84,12 +84,14 @@
         <div class="mt-5 mb-3">{{{addinstance}}}</div>
         <div class="wf-trigger-block workflow-item">
             <h5 class="my-2">{{#str}} trigger, tool_lifecycle{{/str}} {{{triggerhelp}}}</h5>
-            {{#automatic}}
+            {{#showcoursecounts}}
+              {{#automatic}}
                 <div class="mb-2 mx-2">
                     {{#str}} courses_will_be_triggered_total, tool_lifecycle, {{coursestriggered}} {{/str}}<br>
                     {{#str}} courses_will_be_excluded_total, tool_lifecycle, {{coursesexcluded}} {{/str}}<br>
                 </div>
-            {{/automatic}}
+              {{/automatic}}
+            {{/showcoursecounts}}
             <div class="workflow wf-trigger-wrapper">
                 {{#trigger}}
                     <div class="workflow-trigger">
@@ -103,10 +105,12 @@
                             </div>
                         </div>
                         <div class="wf-content">
+                          {{#showcoursecounts}}
                             {{#automatic}}
-                                <span>{{#str}} courses_will_be_triggered, tool_lifecycle, {{triggeredcourses}} {{/str}}</span><br>
-                                <span>{{#str}} courses_will_be_excluded, tool_lifecycle, {{excludedcourses}} {{/str}}</span>
+                              <span>{{#str}} courses_will_be_triggered, tool_lifecycle, {{triggeredcourses}} {{/str}}</span><br>
+                              <span>{{#str}} courses_will_be_excluded, tool_lifecycle, {{excludedcourses}} {{/str}}</span>
                             {{/automatic}}
+                          {{/showcoursecounts}}
                         </div>
                     </div>
                 {{/trigger}}
@@ -140,4 +144,4 @@
         {{{ table }}}
     </div>
 {{/table}}
-</div>
+</div>

workflowoverview.php

@@ -87,8 +87,15 @@
     'move_down' => get_string('move_down', 'tool_lifecycle')
 ];
 
-$amounts = (new \tool_lifecycle\processor())->get_count_of_courses_to_trigger_for_workflow($workflow->id);
-$displaytotaltriggered = !empty($triggers);
+$showcoursecounts = get_config('tool_lifecycle', 'showcoursecounts');
+if ($showcoursecounts) {
+    // On moodle instances with many courses the following call can be fatal, because each trigger
+    // check function will be called for every single course of the instance to determine how many
+    // courses will be triggered by the workflow/the specific trigger. This count is only being
+    // used to show the admin how many courses will be triggered, it has no functional aspect.
+    $amounts = (new \tool_lifecycle\processor())->get_count_of_courses_to_trigger_for_workflow($workflow->id);
+    $displaytotaltriggered = !empty($triggers);
+}
 
 foreach ($triggers as $trigger) {
     // The array from the DB Function uses ids as keys.
@@ -108,11 +115,13 @@
         );
     }
     $trigger->actionmenu = $OUTPUT->render($actionmenu);
-    $trigger->automatic = $amounts[$trigger->sortindex]->automatic;
-    $displaytotaltriggered &= $trigger->automatic;
-    if ($trigger->automatic) {
-        $trigger->triggeredcourses = $amounts[$trigger->sortindex]->triggered;
-        $trigger->excludedcourses = $amounts[$trigger->sortindex]->excluded;
+    if ($showcoursecounts) {
+        $trigger->automatic = $amounts[$trigger->sortindex]->automatic;
+        $displaytotaltriggered &= $trigger->automatic;
+        if ($trigger->automatic) {
+            $trigger->triggeredcourses = $amounts[$trigger->sortindex]->triggered;
+            $trigger->excludedcourses = $amounts[$trigger->sortindex]->excluded;
+        }
     }
 }
 
@@ -176,10 +185,11 @@
     'finishdelay' => format_time($workflow->finishdelay),
     'delayglobally' => $workflow->delayforallworkflows,
     'trigger' => array_values($triggers),
-    'automatic' => $displaytotaltriggered,
-    'coursestriggered' => $amounts['all']->triggered,
-    'coursesexcluded' => $amounts['all']->excluded,
-    'coursesetsize' => $amounts['all']->coursesetsize,
+    'showcoursecounts' => $showcoursecounts,
+    'automatic' => $showcoursecounts ?? $displaytotaltriggered,
+    'coursestriggered' => $showcoursecounts ?? $amounts['all']->triggered,
+    'coursesexcluded' => $showcoursecounts ?? $amounts['all']->excluded,
+    'coursesetsize' => $showcoursecounts ?? $amounts['all']->coursesetsize,
     'steps' => array_values($steps),
     'listofcourses' => $arrayofcourses,
     'nosteplink' => $nosteplink,