Add action to change color once start date is reached

app/Action/TaskAssignColorOnStartDate.php

@@ -0,0 +1,100 @@
+<?php
+
+namespace Kanboard\Action;
+
+use Kanboard\Model\TaskModel;
+
+
+/**
+ * Assign a color when preset start date is reached
+ *
+ * @package Kanboard\Action
+ * @author  Christian Wolter
+ */
+class TaskAssignColorOnStartDate extends Base
+{
+    /**
+     * Get action description
+     *
+     * @access public
+     * @return string
+     */
+    public function getDescription()
+    {
+        return t('Assign automatically a color when preset start date is reached');
+    }
+
+    /**
+     * Get the list of compatible events
+     *
+     * @access public
+     * @return array
+     */
+    public function getCompatibleEvents()
+    {
+        return array(
+            TaskModel::EVENT_DAILY_CRONJOB,
+        );
+    }
+
+    /**
+     * Get the required parameter for the action
+     *
+     * @access public
+     * @return array
+     */
+    public function getActionRequiredParameters()
+    {
+        return array(
+            'color_id' => t('Color'),
+        );
+    }
+
+    /**
+     * Get all tasks
+     *
+     * @access public
+     * @return array
+     */
+
+    public function getEventRequiredParameters()
+    {
+        return array('tasks');
+    }
+
+    /**
+     * Execute the action (change the task color)
+     *
+     * @access public
+     * @param  array   $data   Event data dictionary
+     * @return bool            True if the action was executed or false when not executed
+     */
+    public function doAction(array $data)
+    {
+        $results = array();
+
+        foreach ($data['tasks'] as $task) {
+            if ($task['date_started'] <= time() && $task['date_started'] > 0 && $task['color_id'] != $this->getParam('color_id')) {
+                $values = array(
+                    'id'       => $task['id'],
+                    'color_id' => $this->getParam('color_id'),
+                );
+                $results[] = $this->taskModificationModel->update($values, false);
+            }
+        }
+
+        return in_array(true, $results, true);
+    }
+
+    /**
+     * Check if the event data meet the action condition
+     *
+     * @access public
+     * @param  array   $data   Event data dictionary
+     * @return bool
+     */
+    public function hasRequiredCondition(array $data)
+    {
+        return count($data['tasks']) > 0;
+    }
+}

app/ServiceProvider/ActionProvider.php

@@ -5,6 +5,7 @@ namespace Kanboard\ServiceProvider;
 use Pimple\Container;
 use Pimple\ServiceProviderInterface;
 use Kanboard\Action\TaskAssignColorOnDueDate;
+use Kanboard\Action\TaskAssignColorOnStartDate;
 use Kanboard\Action\TaskAssignColorPriority;
 use Kanboard\Action\TaskAssignDueDateOnCreation;
 use Kanboard\Action\TaskMoveColumnClosed;
@@ -100,6 +101,7 @@ class ActionProvider implements ServiceProviderInterface
         $container['actionManager']->register(new TaskAssignColorOnDueDate($container));
         $container['actionManager']->register(new SubtaskTimerMoveTaskColumn($container));
         $container['actionManager']->register(new StopSubtaskTimerMoveTaskColumn($container));
+        $container['actionManager']->register(new TaskAssignColorOnStartDate($container));
 
         return $container;
     }