classes/Profile_tag_subscription.php

   1 <?php
   2 /**
   3  * Table Definition for profile_tag_subscription
   4  */
   5 require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
   6
   7 class Profile_tag_subscription extends Managed_DataObject
   8 {
   9     ###START_AUTOCODE
  10     /* the code below is auto generated do not remove the above tag */
  11
  12     public $__table = 'profile_tag_subscription';                     // table name
  13     public $profile_tag_id;                         // int(4)  not_null
  14     public $profile_id;                             // int(4)  not_null
  15     public $created;                                // datetime   not_null default_0000-00-00%2000%3A00%3A00
  16     public $modified;                               // timestamp()   not_null default_CURRENT_TIMESTAMP
  17
  18     /* the code above is auto generated do not remove the tag below */
  19     ###END_AUTOCODE
  20
  21     public static function schemaDef()
  22     {
  23         return array(
  24             'fields' => array(
  25                 'profile_tag_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile_tag'),
  26                 'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile table'),
  27
  28                 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
  29                 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
  30             ),
  31             'primary key' => array('profile_tag_id', 'profile_id'),
  32             'foreign keys' => array(
  33                 'profile_tag_subscription_profile_list_id_fkey' => array('profile_list', array('profile_tag_id' => 'id')),
  34                 'profile_tag_subscription_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
  35             ),
  36             'indexes' => array(
  37                 // @fixme probably we want a (profile_id, created) index here?
  38                 'profile_tag_subscription_profile_id_idx' => array('profile_id'),
  39                 'profile_tag_subscription_created_idx' => array('created'),
  40             ),
  41         );
  42     }
  43
  44     static function add($peopletag, $profile)
  45     {
  46         if ($peopletag->private) {
  47             return false;
  48         }
  49
  50         if (Event::handle('StartSubscribePeopletag', array($peopletag, $profile))) {
  51             $args = array('profile_tag_id' => $peopletag->id,
  52                           'profile_id' => $profile->id);
  53             $existing = Profile_tag_subscription::pkeyGet($args);
  54             if(!empty($existing)) {
  55                 return $existing;
  56             }
  57
  58             $sub = new Profile_tag_subscription();
  59             $sub->profile_tag_id = $peopletag->id;
  60             $sub->profile_id = $profile->id;
  61             $sub->created = common_sql_now();
  62
  63             $result = $sub->insert();
  64
  65             if (!$result) {
  66                 common_log_db_error($sub, 'INSERT', __FILE__);
  67                 // TRANS: Exception thrown when inserting a list subscription in the database fails.
  68                 throw new Exception(_('Adding list subscription failed.'));
  69             }
  70
  71             $ptag = Profile_list::getKV('id', $peopletag->id);
  72             $ptag->subscriberCount(true);
  73
  74             Event::handle('EndSubscribePeopletag', array($peopletag, $profile));
  75             return $ptag;
  76         }
  77     }
  78
  79     static function remove($peopletag, $profile)
  80     {
  81         $sub = Profile_tag_subscription::pkeyGet(array('profile_tag_id' => $peopletag->id,
  82                                               'profile_id' => $profile->id));
  83
  84         if (empty($sub)) {
  85             // silence is golden?
  86             return true;
  87         }
  88
  89         if (Event::handle('StartUnsubscribePeopletag', array($peopletag, $profile))) {
  90             $result = $sub->delete();
  91
  92             if (!$result) {
  93                 common_log_db_error($sub, 'DELETE', __FILE__);
  94                 // TRANS: Exception thrown when deleting a list subscription from the database fails.
  95                 throw new Exception(_('Removing list subscription failed.'));
  96             }
  97
  98             $peopletag->subscriberCount(true);
  99
 100             Event::handle('EndUnsubscribePeopletag', array($peopletag, $profile));
 101             return true;
 102         }
 103     }
 104
 105     // called if a tag gets deleted / made private
 106     static function cleanup($profile_list) {
 107         $subs = new self();
 108         $subs->profile_tag_id = $profile_list->id;
 109         $subs->find();
 110
 111         while($subs->fetch()) {
 112             $profile = Profile::getKV('id', $subs->profile_id);
 113             Event::handle('StartUnsubscribePeopletag', array($profile_list, $profile));
 114             // Delete anyway
 115             $subs->delete();
 116             Event::handle('StartUnsubscribePeopletag', array($profile_list, $profile));
 117         }
 118     }
 119
 120     function insert()
 121     {
 122         $result = parent::insert();
 123         if ($result) {
 124             self::blow('profile_list:subscriber_count:%d',
 125                        $this->profile_tag_id);
 126         }
 127         return $result;
 128     }
 129
 130     function delete($useWhere=false)
 131     {
 132         $result = parent::delete($useWhere);
 133         if ($result !== false) {
 134             self::blow('profile_list:subscriber_count:%d',
 135                        $this->profile_tag_id);
 136         }
 137         return $result;
 138     }
 139 }