Added automated action to change task color based on the priority

app/Action/TaskAssignColorPriority.php

@@ -0,0 +1,95 @@
+<?php
+
+namespace Kanboard\Action;
+
+use Kanboard\Model\Task;
+
+/**
+ * Assign a color to a priority
+ *
+ * @package action
+ * @author  Frederic Guillot
+ */
+class TaskAssignColorPriority extends Base
+{
+    /**
+     * Get automatic action description
+     *
+     * @access public
+     * @return string
+     */
+    public function getDescription()
+    {
+        return t('Assign automatically a color based on a priority');
+    }
+
+    /**
+     * Get the list of compatible events
+     *
+     * @access public
+     * @return array
+     */
+    public function getCompatibleEvents()
+    {
+        return array(
+            Task::EVENT_CREATE_UPDATE,
+        );
+    }
+
+    /**
+     * Get the required parameter for the action (defined by the user)
+     *
+     * @access public
+     * @return array
+     */
+    public function getActionRequiredParameters()
+    {
+        return array(
+            'color_id' => t('Color'),
+            'priority' => t('Priority'),
+        );
+    }
+
+    /**
+     * Get the required parameter for the event
+     *
+     * @access public
+     * @return string[]
+     */
+    public function getEventRequiredParameters()
+    {
+        return array(
+            'task_id',
+            'priority',
+        );
+    }
+
+    /**
+     * 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)
+    {
+        $values = array(
+            'id' => $data['task_id'],
+            'color_id' => $this->getParam('color_id'),
+        );
+
+        return $this->taskModification->update($values, false);
+    }
+
+    /**
+     * 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 $data['priority'] == $this->getParam('priority');
+    }
+}

app/Controller/ActionCreation.php

@@ -81,6 +81,7 @@ class ActionCreation extends Base
             'colors_list' => $this->color->getList(),
             'categories_list' => $this->category->getList($project['id']),
             'links_list' => $this->link->getList(0, false),
+            'priorities_list' => $this->project->getPriorities($project),
             'project' => $project,
             'available_actions' => $this->actionManager->getAvailableActions(),
             'events' => $this->actionManager->getCompatibleEvents($values['action_name']),

app/Model/Project.php

@@ -201,7 +201,7 @@ class Project extends Base
      * Get all projects with all its data for a given status
      *
      * @access public
-     * @param  integer   $status   Proejct status: self::ACTIVE or self:INACTIVE
+     * @param  integer   $status   Project status: self::ACTIVE or self:INACTIVE
      * @return array
      */
     public function getAllByStatus($status)
@@ -244,6 +244,19 @@ class Project extends Base
                     ->count();
     }
 
+    /**
+     * Get Priority range from a project
+     *
+     * @access public
+     * @param  array $project
+     * @return array
+     */
+    public function getPriorities(array $project)
+    {
+        $range = range($project['priority_start'], $project['priority_end']);
+        return array_combine($range, $range);
+    }
+
     /**
      * Gather some task metrics for a given project
      *

app/ServiceProvider/ActionProvider.php

@@ -2,6 +2,7 @@
 
 namespace Kanboard\ServiceProvider;
 
+use Kanboard\Action\TaskAssignColorPriority;
 use Pimple\Container;
 use Pimple\ServiceProviderInterface;
 use Kanboard\Core\Action\ActionManager;
@@ -59,6 +60,7 @@ class ActionProvider implements ServiceProviderInterface
         $container['actionManager']->register(new TaskAssignColorColumn($container));
         $container['actionManager']->register(new TaskAssignColorLink($container));
         $container['actionManager']->register(new TaskAssignColorUser($container));
+        $container['actionManager']->register(new TaskAssignColorPriority($container));
         $container['actionManager']->register(new TaskAssignCurrentUser($container));
         $container['actionManager']->register(new TaskAssignCurrentUserColumn($container));
         $container['actionManager']->register(new TaskAssignSpecificUser($container));

app/Template/action_creation/params.php

@@ -35,6 +35,9 @@
         <?php elseif ($this->text->contains($param_name, 'link_id')): ?>
             <?= $this->form->label($param_desc, $param_name) ?>
             <?= $this->form->select('params['.$param_name.']', $links_list, $values) ?>
+        <?php elseif ($param_name === 'priority'): ?>
+            <?= $this->form->label($param_desc, $param_name) ?>
+            <?= $this->form->select('params['.$param_name.']', $priorities_list, $values) ?>
         <?php elseif ($this->text->contains($param_name, 'duration')): ?>
             <?= $this->form->label($param_desc, $param_name) ?>
             <?= $this->form->number('params['.$param_name.']', $values) ?>
@@ -49,4 +52,4 @@
         <?= t('or') ?>
         <?= $this->url->link(t('cancel'), 'action', 'index', array('project_id' => $project['id']), false, 'close-popover') ?>
     </div>
-</form>
+</form>