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Code Issues Releases Wiki Activity

Merge pull request #2527 from dhruvgoel92/ticket/11445

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[ticket/11445] optimize no of queries in get_global_subscriptions( )

* dhruvgoel92/ticket/11445:
  [ticket/11445] Move get user's notification code into its own method
  [ticket/11445] Remove unused foreach key $group_name
  [ticket/11445] Improve unit tests for get_global_subscriptions
  [ticket/11445] Optimize no of queries in get_global_subscriptions
This commit is contained in:
Andreas Fischer
2014-06-14 00:16:52 +02:00
parent 99c3ca18be f5415619eb
commit 7642fbbd63
2 changed files with 56 additions and 15 deletions
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50
phpBB/phpbb/notification/manager.php
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@@ -574,6 +574,34 @@ class manager
return $subscription_methods;
}
/**
* Get user's notification data
*
* @param int $user_id The user_id of the user to get the notifications for
*
* @return array User's notification
*/
protected function get_user_notifications($user_id)
{
$sql = 'SELECT method, notify, item_type
FROM ' . $this->user_notifications_table . '
WHERE user_id = ' . (int) $user_id . '
AND item_id = 0';
$result = $this->db->sql_query($sql);
$user_notifications = array();
while ($row = $this->db->sql_fetchrow($result))
{
$user_notifications[$row['item_type']][] = $row;
}
$this->db->sql_freeresult($result);
return $user_notifications;
}
/**
* Get global subscriptions (item_id = 0)
*
@@ -587,28 +615,23 @@ class manager
$subscriptions = array();
foreach ($this->get_subscription_types() as $group_name => $types)
$user_notifications = $this->get_user_notifications($user_id);
foreach ($this->get_subscription_types() as $types)
{
foreach ($types as $id => $type)
{
$sql = 'SELECT method, notify
FROM ' . $this->user_notifications_table . '
WHERE user_id = ' . (int) $user_id . "
AND item_type = '" . $this->db->sql_escape($id) . "'
AND item_id = 0";
$result = $this->db->sql_query($sql);
$row = $this->db->sql_fetchrow($result);
if (!$row)
if (empty($user_notifications[$id]))
{
// No rows at all, default to ''
$subscriptions[$id] = array('');
}
else
{
do
foreach ($user_notifications[$id] as $user_notification)
{
if (!$row['notify'])
if (!$user_notification['notify'])
{
continue;
}
@@ -618,12 +641,9 @@ class manager
$subscriptions[$id] = array();
}
$subscriptions[$id][] = $row['method'];
$subscriptions[$id][] = $user_notification['method'];
}
while ($row = $this->db->sql_fetchrow($result));
}
$this->db->sql_freeresult($result);
}
}