Analytics: add the first graph (task repartition)

app/Model/Acl.php

@@ -41,6 +41,7 @@ class Acl extends Base
         'task' => array('show', 'create', 'save', 'edit', 'update', 'close', 'open', 'duplicate', 'remove', 'description', 'move', 'copy', 'time'),
         'category' => array('index', 'save', 'edit', 'update', 'confirm', 'remove'),
         'action' => array('index', 'event', 'params', 'create', 'confirm', 'remove'),
+        'analytic' => array('repartition'),
     );
 
     /**

app/Model/ProjectAnalytic.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Model;
+
+/**
+ * Project analytic model
+ *
+ * @package  model
+ * @author   Frederic Guillot
+ */
+class ProjectAnalytic extends Base
+{
+    /**
+     * Get task repartition
+     *
+     * @access public
+     * @param  integer   $project_id    Project id
+     * @return array
+     */
+    public function getTaskRepartition($project_id)
+    {
+        $metrics = array();
+        $total = 0;
+        $columns = $this->board->getColumns($project_id);
+
+        foreach ($columns as $column) {
+
+            $nb_tasks = $this->taskFinder->countByColumnId($project_id, $column['id']);
+            $total += $nb_tasks;
+
+            $metrics[] = array(
+                'column_title' => $column['title'],
+                'nb_tasks' => $nb_tasks,
+            );
+        }
+
+        foreach ($metrics as &$metric) {
+            $metric['percentage'] = round(($metric['nb_tasks'] * 100) / $total, 2);
+        }
+
+        return $metrics;
+    }
+}