Statistics provider interface

CHANGELOG.md

@@ -3,7 +3,7 @@ Yii2 Queue Extension Change Log
 
 2.3.7 under development
 -----------------------
-
+- Enh #509: Add StatisticsProviderInterface to get statistics from queue (kalmer)
 - no changes in this release.
 
 

src/cli/InfoAction.php

@@ -0,0 +1,63 @@
+<?php
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+namespace yii\queue\cli;
+
+use yii\base\NotSupportedException;
+use yii\helpers\Console;
+use yii\queue\interfaces\DelayedCountInterface;
+use yii\queue\interfaces\DoneCountInterface;
+use yii\queue\interfaces\ReservedCountInterface;
+use yii\queue\interfaces\StatisticsProviderInterface;
+use yii\queue\interfaces\WaitingCountInterface;
+
+/**
+ * Info about queue status.
+ *
+ * @author Kalmer Kaurson <kalmerkaurson@gmail.com>
+ */
+class InfoAction extends Action
+{
+    /**
+     * @var Queue
+     */
+    public $queue;
+
+
+    /**
+     * Info about queue status.
+     */
+    public function run()
+    {
+        if (!($this->queue instanceof StatisticsProviderInterface)) {
+            throw new NotSupportedException('Queue does not support ' . StatisticsProviderInterface::class);
+        }
+
+        $this->controller->stdout('Jobs' . PHP_EOL, Console::FG_GREEN);
+        $statisticsProvider = $this->queue->getStatisticsProvider();
+
+        if ($statisticsProvider instanceof WaitingCountInterface) {
+            $this->controller->stdout('- waiting: ', Console::FG_YELLOW);
+            $this->controller->stdout($statisticsProvider->getWaitingCount() . PHP_EOL);
+        }
+
+        if ($statisticsProvider instanceof DelayedCountInterface) {
+            $this->controller->stdout('- delayed: ', Console::FG_YELLOW);
+            $this->controller->stdout($statisticsProvider->getDelayedCount() . PHP_EOL);
+        }
+
+        if ($statisticsProvider instanceof ReservedCountInterface) {
+            $this->controller->stdout('- reserved: ', Console::FG_YELLOW);
+            $this->controller->stdout($statisticsProvider->getReservedCount() . PHP_EOL);
+        }
+
+        if ($statisticsProvider instanceof DoneCountInterface) {
+            $this->controller->stdout('- done: ', Console::FG_YELLOW);
+            $this->controller->stdout($statisticsProvider->getDoneCount() . PHP_EOL);
+        }
+    }
+}

src/drivers/db/Command.php

@@ -9,6 +9,7 @@
 
 use yii\console\Exception;
 use yii\queue\cli\Command as CliCommand;
+use yii\queue\cli\InfoAction;
 
 /**
  * Manages application db-queue.

src/drivers/db/Queue.php

@@ -14,13 +14,14 @@
 use yii\di\Instance;
 use yii\mutex\Mutex;
 use yii\queue\cli\Queue as CliQueue;
+use yii\queue\interfaces\StatisticsProviderInterface;
 
 /**
  * Db Queue.
  *
  * @author Roman Zhuravlev <zhuravljov@gmail.com>
  */
-class Queue extends CliQueue
+class Queue extends CliQueue implements StatisticsProviderInterface
 {
     /**
      * @var Connection|array|string
@@ -233,6 +234,8 @@ protected function release($payload)
         }
     }
 
+    protected $reserveTime;
+
     /**
      * Moves expired messages into waiting list.
      */
@@ -251,5 +254,16 @@ protected function moveExpired()
         }
     }
 
-    protected $reserveTime;
+    private $_statistcsProvider;
+
+    /**
+     * @return StatisticsProvider
+     */
+    public function getStatisticsProvider()
+    {
+        if (!$this->_statistcsProvider) {
+            $this->_statistcsProvider = new StatisticsProvider($this);
+        }
+        return $this->_statistcsProvider;
+    }
 }

src/drivers/db/StatisticsProvider.php

@@ -0,0 +1,82 @@
+<?php
+
+/**
+ * @link https://www.yiiframework.com/
+ * @copyright Copyright (c) 2008 Yii Software LLC
+ * @license https://www.yiiframework.com/license/
+ */
+
+namespace yii\queue\db;
+
+use yii\base\BaseObject;
+use yii\db\Query;
+use yii\queue\interfaces\DelayedCountInterface;
+use yii\queue\interfaces\DoneCountInterface;
+use yii\queue\interfaces\ReservedCountInterface;
+use yii\queue\interfaces\WaitingCountInterface;
+
+/**
+ * Statistics Provider
+ *
+ * @author Kalmer Kaurson <kalmerkaurson@gmail.com>
+ */
+class StatisticsProvider extends BaseObject implements DoneCountInterface, WaitingCountInterface, DelayedCountInterface, ReservedCountInterface
+{
+    /**
+     * @var Queue
+     */
+    protected $queue;
+
+    public function __construct(Queue $queue, $config = [])
+    {
+        $this->queue = $queue;
+        parent::__construct($config);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getWaitingCount()
+    {
+        return (new Query())
+            ->from($this->queue->tableName)
+            ->andWhere(['channel' => $this->queue->channel])
+            ->andWhere(['reserved_at' => null])
+            ->andWhere(['delay' => 0])->count('*', $this->queue->db);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getDelayedCount()
+    {
+        return (new Query())
+            ->from($this->queue->tableName)
+            ->andWhere(['channel' => $this->queue->channel])
+            ->andWhere(['reserved_at' => null])
+            ->andWhere(['>', 'delay', 0])->count('*', $this->queue->db);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getReservedCount()
+    {
+        return (new Query())
+            ->from($this->queue->tableName)
+            ->andWhere(['channel' => $this->queue->channel])
+            ->andWhere('[[reserved_at]] is not null')
+            ->andWhere(['done_at' => null])->count('*', $this->queue->db);
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function getDoneCount()
+    {
+        return (new Query())
+            ->from($this->queue->tableName)
+            ->andWhere(['channel' => $this->queue->channel])
+            ->andWhere('[[done_at]] is not null')->count('*', $this->queue->db);
+    }
+}

src/drivers/file/Command.php

@@ -9,6 +9,7 @@
 
 use yii\console\Exception;
 use yii\queue\cli\Command as CliCommand;
+use yii\queue\cli\InfoAction;
 
 /**
  * Manages application file-queue.