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 $modified;                               // timestamp()   not_null default_CURRENT_TIMESTAMP
  17
  18     /* Static get */
  19     function staticGet($k,$v=null)
  20     { return Memcached_DataObject::staticGet('Profile_tag_subscription',$k,$v); }
  21
  22     /* the code above is auto generated do not remove the tag below */
  23     ###END_AUTOCODE
  24
  25     public static function schemaDef()
  26     {
  27         return array(
  28             'fields' => array(
  29                 'profile_tag_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile_tag'),
  30                 'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'foreign key to profile table'),
  31
  32                 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
  33                 'modified' => array('type' => 'timestamp', 'not null' => true, 'description' => 'date this record was modified'),
  34             ),
  35             'primary key' => array('profile_tag_id', 'profile_id'),
  36             'foreign keys' => array(
  37                 'profile_tag_subscription_profile_list_id_fkey' => array('profile_list', array('profile_tag_id' => 'id')),
  38                 'profile_tag_subscription_profile_id_fkey' => array('profile', array('profile_id' => 'id')),
  39             ),
  40             'indexes' => array(
  41                 // @fixme probably we want a (profile_id, created) index here?
  42                 'profile_tag_subscription_profile_id_idx' => array('profile_id'),
  43                 'profile_tag_subscription_created_idx' => array('created'),
  44             ),
  45         );
  46     }
  47
  48     function pkeyGet($kv)
  49     {
  50         return Memcached_DataObject::pkeyGet('Profile_tag_subscription', $kv);
  51     }
  52
  53     static function add($peopletag, $profile)
  54     {
  55         if ($peopletag->private) {
  56             return false;
  57         }
  58
  59         if (Event::handle('StartSubscribePeopletag', array($peopletag, $profile))) {
  60             $args = array('profile_tag_id' => $peopletag->id,
  61                           'profile_id' => $profile->id);
  62             $existing = Profile_tag_subscription::pkeyGet($args);
  63             if(!empty($existing)) {
  64                 return $existing;
  65             }
  66
  67             $sub = new Profile_tag_subscription();
  68             $sub->profile_tag_id = $peopletag->id;
  69             $sub->profile_id = $profile->id;
  70             $sub->created = common_sql_now();
  71
  72             $result = $sub->insert();
  73
  74             if (!$result) {
  75                 common_log_db_error($sub, 'INSERT', __FILE__);
  76                 // TRANS: Exception thrown when inserting a list subscription in the database fails.
  77                 throw new Exception(_('Adding list subscription failed.'));
  78             }
  79
  80             $ptag = Profile_list::staticGet('id', $peopletag->id);
  81             $ptag->subscriberCount(true);
  82
  83             Event::handle('EndSubscribePeopletag', array($peopletag, $profile));
  84             return $ptag;
  85         }
  86     }
  87
  88     static function remove($peopletag, $profile)
  89     {
  90         $sub = Profile_tag_subscription::pkeyGet(array('profile_tag_id' => $peopletag->id,
  91                                               'profile_id' => $profile->id));
  92
  93         if (empty($sub)) {
  94             // silence is golden?
  95             return true;
  96         }
  97
  98         if (Event::handle('StartUnsubscribePeopletag', array($peopletag, $profile))) {
  99             $result = $sub->delete();
 100
 101             if (!$result) {
 102                 common_log_db_error($sub, 'DELETE', __FILE__);
 103                 // TRANS: Exception thrown when deleting a list subscription from the database fails.
 104                 throw new Exception(_('Removing list subscription failed.'));
 105             }
 106
 107             $peopletag->subscriberCount(true);
 108
 109             Event::handle('EndUnsubscribePeopletag', array($peopletag, $profile));
 110             return true;
 111         }
 112     }
 113
 114     // called if a tag gets deleted / made private
 115     static function cleanup($profile_list) {
 116         $subs = new self();
 117         $subs->profile_tag_id = $profile_list->id;
 118         $subs->find();
 119
 120         while($subs->fetch()) {
 121             $profile = Profile::staticGet('id', $subs->profile_id);
 122             Event::handle('StartUnsubscribePeopletag', array($profile_list, $profile));
 123             // Delete anyway
 124             $subs->delete();
 125             Event::handle('StartUnsubscribePeopletag', array($profile_list, $profile));
 126         }
 127     }
 128
 129     function insert()
 130     {
 131         $result = parent::insert();
 132         if ($result) {
 133             self::blow('profile_list:subscriber_count:%d',
 134                        $this->profile_tag_id);
 135         }
 136         return $result;
 137     }
 138
 139     function delete()
 140     {
 141         $result = parent::delete();
 142         if ($result) {
 143             self::blow('profile_list:subscriber_count:%d',
 144                        $this->profile_tag_id);
 145         }
 146         return $result;
 147     }
 148 }