From cb6451bfcfab228012fb6fc15d7c6ccc0669cd4c Mon Sep 17 00:00:00 2001
From: Carsten Brandt <mail@cebe.cc>
Date: Tue, 4 Dec 2018 16:51:13 +0100
Subject: [PATCH] Make reporting work on PostgreSQL too

---
 views/default/report.php | 35 ++++++++++++++++++++++++++---------
 1 file changed, 26 insertions(+), 9 deletions(-)

diff --git a/views/default/report.php b/views/default/report.php
index 74f7c07..8c5c9fe 100644
--- a/views/default/report.php
+++ b/views/default/report.php
@@ -23,28 +23,45 @@
 
 
 // status
+$db = Yii::$app->db;
+switch ($db->driverName) {
+    case 'pgsql':
+        $selectExpression = "to_char(to_timestamp(created_at), 'YYYY-MM-DD')";
+        break;
+    default:
+    case 'mysql':
+        $selectExpression = "DATE_FORMAT(FROM_UNIXTIME(created_at), '%Y-%m-%d')";
+        break;
+}
+$subQuery = (new \yii\db\Query())
+    ->select([
+        'dd' => new \yii\db\Expression($selectExpression),
+        'status',
+    ])->from('queue_manager');
 $data = (new \yii\db\Query())
-    ->select(new \yii\db\Expression('DATE_FORMAT(FROM_UNIXTIME(created_at), \'%d-%m-%Y\') AS dd,
-  status,
-  count(*)as cnt'))
-    ->from('queue_manager')
-    ->groupBy('status,dd')
-    ->orderBy('created_at')
+    ->select([
+        'dd',
+        'status',
+        'cnt' => 'COUNT(*)',
+    ])
+    ->from(['q' => $subQuery])
+    ->groupBy(['status', 'dd'])
+    ->orderBy('dd')
     ->all();
 
 $labels = [];
 foreach ($data as $item) {
-    $dd = $item['dd'];
+    $dd = Yii::$app->formatter->asDate($item['dd']);
     if (!in_array($dd, $labels)) {
         $labels[] = $dd;
     }
 }
 $status1 = array_fill_keys($labels, '0');
-$status1 = array_fill_keys($labels, '0');
 $status2 = array_fill_keys($labels, '0');
 $status3 = array_fill_keys($labels, '0');
+$status4 = array_fill_keys($labels, '0');
 foreach ($data as $item) {
-    $dd = $item['dd'];
+    $dd = Yii::$app->formatter->asDate($item['dd']);
     if ($item['status'] == QueueManager::STATUS_WAITING) {
         $status1[$dd] = $item['cnt'];
     }