FOUR-28520 Added getUsersFromProcessVariable() to ProcessRequestToken to extract user IDs from form data (assignedUsers/assignedGroups variables).

Uses Process::getConsolidatedUsers() to get users from groups recursively.
Validates array inputs and filters invalid IDs. Includes PHPUnit tests.

Author: gproly

ProcessMaker/Http/Controllers/Api/UserController.php

@@ -260,6 +260,9 @@ public function getUsersTaskCount(Request $request)
             if ($assignmentRule === 'rule_expression' && $request->has('form_data')) {
                 $include_ids = $processRequestToken->getAssigneesFromExpression($request->input('form_data'));
             }
+            if ($assignmentRule === 'process_variable' && $request->has('form_data')) {
+                $include_ids = $processRequestToken->getUsersFromProcessVariable($request->input('form_data'));
+            }
         }
 
         if (!empty($include_ids)) {

ProcessMaker/Models/ProcessRequestToken.php

@@ -2,6 +2,7 @@
 
 namespace ProcessMaker\Models;
 
+use AWS\CRT\Log as CRTLog;
 use Carbon\Carbon;
 use DB;
 use DOMXPath;
@@ -991,6 +992,60 @@ public function getAssignmentRule()
         return $assignment;
     }
 
+    /**
+     * Get user IDs from process variables for task assignment.
+     *
+     * Extracts user IDs and group IDs from form data based on the activity's
+     * assignedUsers and assignedGroups properties. Retrieves all users from
+     * specified groups (including subgroups recursively) and combines them
+     * with directly assigned users.
+     *
+     * Used when assignment rule is 'process_variable'.
+     *
+     * @param array $form_data Form data containing process variable values.
+     *                         Keys must match activity's assignedUsers and
+     *                         assignedGroups properties. Values must be arrays.
+     *
+     * @return array Unique numeric user IDs (direct users + users from groups).
+     */
+    public function getUsersFromProcessVariable(array $form_data)
+    {
+        $activity = $this->getBpmnDefinition()->getBpmnElementInstance();
+        $assignedUsers = $activity->getProperty('assignedUsers', null);
+        $assignedGroups = $activity->getProperty('assignedGroups', null);
+
+        $usersIds = [];
+        $groupsIds = [];
+
+        // Validate and get user IDs from form_data
+        if ($assignedUsers && isset($form_data[$assignedUsers]) && is_array($form_data[$assignedUsers])) {
+            $usersIds = $form_data[$assignedUsers];
+        }
+
+        // Validate and get group IDs from form_data
+        if ($assignedGroups && isset($form_data[$assignedGroups]) && is_array($form_data[$assignedGroups])) {
+            $groupsIds = $form_data[$assignedGroups];
+        }
+
+        // Get users from groups using the Process model method
+        $usersFromGroups = [];
+        if (!empty($groupsIds) && $this->process) {
+            // Use the getConsolidatedUsers method from the Process model
+            // This method gets users from groups including subgroups recursively
+            $this->process->getConsolidatedUsers($groupsIds, $usersFromGroups);
+        }
+
+        // Combine direct users with users from groups
+        $allUserIds = array_unique(array_merge($usersIds, $usersFromGroups));
+        
+        // Convert to numeric array and filter valid values
+        $allUserIds = array_values(array_filter($allUserIds, function($id) {
+            return !empty($id) && is_numeric($id) && $id > 0;
+        }));
+
+        return $allUserIds;
+    }
+
     /**
      * Get the assignees for the token.
      *

resources/js/common/reassignMixin.js

@@ -28,7 +28,7 @@ export default {
         const response = await getReassignUsersApi(
           filter,
           this.task?.id,
-          this?.formData,
+          this.task?.request_data,
           this.currentTaskUserId
         );
 

resources/js/tasks/components/taskPreview/TaskPreviewAssignment.vue

@@ -91,6 +91,7 @@ const disabled = computed(() => !selectedUser.value || !comments.value?.trim());
 // Load the reassign users using the centralized function with form_data
 const loadReassignUsers = async (filter) => {
   try {
+    console.log('reassignUsers11', JSON.stringify(props.formData));
     const response = await getReassignUsers(
       filter,
       props.task?.id,