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 $modified;                               // timestamp()   not_null default_CURRENT_TIMESTAMP
  17
  18     /* the code above is auto generated do not remove the tag below */
  19     ###END_AUTOCODE
  20
  21     public static function schemaDef()
  22     {
  23         return array(
  24             'fields' => array(
  25                 'profile_tag_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile_tag'),
  26                 'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile table'),
  27
  28                 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
  29                 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
  30             ),
  31             'primary key' => array('profile_tag_id', 'profile_id'),
  32             'foreign keys' => array(
  33                 'profile_tag_subscription_profile_list_id_fkey' => array('profile_list', array('profile_tag_id' => 'id')),
  34                 'profile_tag_subscription_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
  35             ),
  36             'indexes' => array(
  37                 // @fixme probably we want a (profile_id, created) index here?
  38                 'profile_tag_subscription_profile_id_idx' => array('profile_id'),
  39                 'profile_tag_subscription_created_idx' => array('created'),
  40             ),
  41         );
  42     }
  43
  44     function pkeyGet($kv)
  45     {
  46         return Memcached_DataObject::pkeyGet('Profile_tag_subscription', $kv);
  47     }
  48
  49     static function add($peopletag, $profile)
  50     {
  51         if ($peopletag->private) {
  52             return false;
  53         }
  54
  55         if (Event::handle('StartSubscribePeopletag', array($peopletag, $profile))) {
  56             $args = array('profile_tag_id' => $peopletag->id,
  57                           'profile_id' => $profile->id);
  58             $existing = Profile_tag_subscription::pkeyGet($args);
  59             if(!empty($existing)) {
  60                 return $existing;
  61             }
  62
  63             $sub = new Profile_tag_subscription();
  64             $sub->profile_tag_id = $peopletag->id;
  65             $sub->profile_id = $profile->id;
  66             $sub->created = common_sql_now();
  67
  68             $result = $sub->insert();
  69
  70             if (!$result) {
  71                 common_log_db_error($sub, 'INSERT', __FILE__);
  72                 // TRANS: Exception thrown when inserting a list subscription in the database fails.
  73                 throw new Exception(_('Adding list subscription failed.'));
  74             }
  75
  76             $ptag = Profile_list::staticGet('id', $peopletag->id);
  77             $ptag->subscriberCount(true);
  78
  79             Event::handle('EndSubscribePeopletag', array($peopletag, $profile));
  80             return $ptag;
  81         }
  82     }
  83
  84     static function remove($peopletag, $profile)
  85     {
  86         $sub = Profile_tag_subscription::pkeyGet(array('profile_tag_id' => $peopletag->id,
  87                                               'profile_id' => $profile->id));
  88
  89         if (empty($sub)) {
  90             // silence is golden?
  91             return true;
  92         }
  93
  94         if (Event::handle('StartUnsubscribePeopletag', array($peopletag, $profile))) {
  95             $result = $sub->delete();
  96
  97             if (!$result) {
  98                 common_log_db_error($sub, 'DELETE', __FILE__);
  99                 // TRANS: Exception thrown when deleting a list subscription from the database fails.
 100                 throw new Exception(_('Removing list subscription failed.'));
 101             }
 102
 103             $peopletag->subscriberCount(true);
 104
 105             Event::handle('EndUnsubscribePeopletag', array($peopletag, $profile));
 106             return true;
 107         }
 108     }
 109
 110     // called if a tag gets deleted / made private
 111     static function cleanup($profile_list) {
 112         $subs = new self();
 113         $subs->profile_tag_id = $profile_list->id;
 114         $subs->find();
 115
 116         while($subs->fetch()) {
 117             $profile = Profile::staticGet('id', $subs->profile_id);
 118             Event::handle('StartUnsubscribePeopletag', array($profile_list, $profile));
 119             // Delete anyway
 120             $subs->delete();
 121             Event::handle('StartUnsubscribePeopletag', array($profile_list, $profile));
 122         }
 123     }
 124
 125     function insert()
 126     {
 127         $result = parent::insert();
 128         if ($result) {
 129             self::blow('profile_list:subscriber_count:%d',
 130                        $this->profile_tag_id);
 131         }
 132         return $result;
 133     }
 134
 135     function delete()
 136     {
 137         $result = parent::delete();
 138         if ($result) {
 139             self::blow('profile_list:subscriber_count:%d',
 140                        $this->profile_tag_id);
 141         }
 142         return $result;
 143     }
 144 }