Handle priority for task and project duplication

app/Model/ProjectDuplicationModel.php

@@ -146,6 +146,9 @@ class ProjectDuplicationModel extends Base
             'is_public' => 0,
             'is_private' => $private ? 1 : $is_private,
             'owner_id' => $owner_id,
+            'priority_default' => $project['priority_default'],
+            'priority_start' => $project['priority_start'],
+            'priority_end' => $project['priority_end'],
         );
 
         if (! $this->db->table(ProjectModel::TABLE)->save($values)) {

app/Model/ProjectModel.php

@@ -245,19 +245,6 @@ class ProjectModel 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/Model/ProjectTaskPriorityModel.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace Kanboard\Model;
+
+use Kanboard\Core\Base;
+
+/**
+ * Project Task Priority Model
+ *
+ * @package  Kanboard\Model
+ * @author   Frederic Guillot
+ */
+class ProjectTaskPriorityModel extends Base
+{
+    /**
+     * 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);
+    }
+
+    /**
+     * Get task priority settings
+     *
+     * @access public
+     * @param  int $project_id
+     * @return array|null
+     */
+    public function getPrioritySettings($project_id)
+    {
+        return $this->db
+            ->table(ProjectModel::TABLE)
+            ->columns('priority_default', 'priority_start', 'priority_end')
+            ->eq('id', $project_id)
+            ->findOne();
+    }
+
+    /**
+     * Get default task priority
+     *
+     * @access public
+     * @param  int $project_id
+     * @return int
+     */
+    public function getDefaultPriority($project_id)
+    {
+        return $this->db->table(ProjectModel::TABLE)->eq('id', $project_id)->findOneColumn('priority_default') ?: 0;
+    }
+
+    /**
+     * Get priority for a destination project
+     *
+     * @access public
+     * @param  integer $dst_project_id
+     * @param  integer $priority
+     * @return integer
+     */
+    public function getPriorityForProject($dst_project_id, $priority)
+    {
+        $settings = $this->getPrioritySettings($dst_project_id);
+
+        if ($priority >= $settings['priority_start'] && $priority <= $settings['priority_end']) {
+            return $priority;
+        }
+
+        return $settings['priority_default'];
+    }
+}

app/Model/TaskDuplicationModel.php

@@ -18,7 +18,7 @@ class TaskDuplicationModel extends Base
      * @access protected
      * @var string[]
      */
-    protected $fields_to_duplicate = array(
+    protected $fieldsToDuplicate = array(
         'title',
         'description',
         'date_due',
@@ -27,6 +27,7 @@ class TaskDuplicationModel extends Base
         'column_id',
         'owner_id',
         'score',
+        'priority',
         'category_id',
         'time_estimated',
         'swimlane_id',
@@ -95,6 +96,12 @@ class TaskDuplicationModel extends Base
             $values['column_id'] = $values['column_id'] ?: $this->columnModel->getFirstColumnId($values['project_id']);
         }
 
+        // Check if priority exists for destination project
+        $values['priority'] = $this->projectTaskPriorityModel->getPriorityForProject(
+            $values['project_id'],
+            empty($values['priority']) ? 0 : $values['priority']
+        );
+
         return $values;
     }
 
@@ -110,7 +117,7 @@ class TaskDuplicationModel extends Base
         $task = $this->taskFinderModel->getById($task_id);
         $values = array();
 
-        foreach ($this->fields_to_duplicate as $field) {
+        foreach ($this->fieldsToDuplicate as $field) {
             $values[$field] = $task[$field];
         }