object/Conversation.php

   1 <?php
   2 if(class_exists('Conversation'))
   3         return;
   4
   5 require_once('boot.php');
   6 require_once('object/BaseObject.php');
   7 require_once('object/Item.php');
   8 require_once('include/text.php');
   9
  10 /**
  11  * A list of threads
  12  *
  13  * We should think about making this a SPL Iterator
  14  */
  15 class Conversation extends BaseObject {
  16         private $threads = array();
  17         private $mode = null;
  18         private $writeable = false;
  19         private $profile_owner = 0;
  20
  21         public function __construct($mode) {
  22                 $this->set_mode($mode);
  23         }
  24
  25         /**
  26          * Set the mode we'll be displayed on
  27          */
  28         private function set_mode($mode) {
  29                 if($this->get_mode() == $mode)
  30                         return;
  31
  32                 $a = $this->get_app();
  33
  34                 switch($mode) {
  35                         case 'network':
  36                         case 'notes':
  37                                 $this->profile_owner = local_user();
  38                                 $this->writeable = true;
  39                                 break;
  40                         case 'profile':
  41                                 $this->profile_owner = $a->profile['profile_uid'];
  42                                 $this->writeable = can_write_wall($a,$this->profile_owner);
  43                                 break;
  44                         case 'display':
  45                                 $this->profile_owner = $a->profile['uid'];
  46                                 $this->writeable = can_write_wall($a,$this->profile_owner);
  47                                 break;
  48                         default:
  49                                 logger('[ERROR] Conversation::set_mode : Unhandled mode ('. $mode .').', LOGGER_DEBUG);
  50                                 return false;
  51                                 break;
  52                 }
  53                 $this->mode = $mode;
  54         }
  55
  56         /**
  57          * Get mode
  58          */
  59         public function get_mode() {
  60                 return $this->mode;
  61         }
  62
  63         /**
  64          * Check if page is writeable
  65          */
  66         public function is_writeable() {
  67                 return $this->writeable;
  68         }
  69
  70         /**
  71          * Get profile owner
  72          */
  73         public function get_profile_owner() {
  74                 return $this->profile_owner;
  75         }
  76
  77         /**
  78          * Add a thread to the conversation
  79          *
  80          * Returns:
  81          *              _ The inserted item on success
  82          *              _ false on failure
  83          */
  84         public function add_thread($item) {
  85                 $item_id = $item->get_id();
  86                 if(!$item_id) {
  87                         logger('[ERROR] Conversation::add_thread : Item has no ID!!', LOGGER_DEBUG);
  88                         return false;
  89                 }
  90                 if($this->get_thread($item->get_id())) {
  91                         logger('[WARN] Conversation::add_thread : Thread already exists ('. $item->get_id() .').', LOGGER_DEBUG);
  92                         return false;
  93                 }
  94
  95                 /*
  96                  * Only add will be displayed
  97                  */
  98                 if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid')) {
  99                         logger('[WARN] Conversation::add_thread : Thread is a mail ('. $item->get_id() .').', LOGGER_DEBUG);
 100                         return false;
 101                 }
 102                 if($item->get_data_value('verb') === ACTIVITY_LIKE || $item->get_data_value('verb') === ACTIVITY_DISLIKE) {
 103                         logger('[WARN] Conversation::add_thread : Thread is a (dis)like ('. $item->get_id() .').', LOGGER_DEBUG);
 104                         return false;
 105                 }
 106                 $item->set_conversation($this);
 107                 $this->threads[] = $item;
 108                 return end($this->threads);
 109         }
 110
 111         /**
 112          * Get data in a form usable by a conversation template
 113          *
 114          * We should find a way to avoid using those arguments (at least most of them)
 115          *
 116          * Returns:
 117          *              _ The data requested on success
 118          *              _ false on failure
 119          */
 120         public function get_template_data($alike, $dlike) {
 121                 $result = array();
 122
 123                 foreach($this->threads as $item) {
 124                         if($item->get_data_value('network') === NETWORK_MAIL && local_user() != $item->get_data_value('uid'))
 125                                 continue;
 126                         $item_data = $item->get_template_data($alike, $dlike);
 127                         if(!$item_data) {
 128                                 logger('[ERROR] Conversation::get_template_data : Failed to get item template data ('. $item->get_id() .').', LOGGER_DEBUG);
 129                                 return false;
 130                         }
 131                         $result[] = $item_data;
 132                 }
 133
 134                 return $result;
 135         }
 136
 137         /**
 138          * Get a thread based on its item id
 139          *
 140          * Returns:
 141          *              _ The found item on success
 142          *              _ false on failure
 143          */
 144         private function get_thread($id) {
 145                 foreach($this->threads as $item) {
 146                         if($item->get_id() == $id)
 147                                 return $item;
 148                 }
 149
 150                 return false;
 151         }
 152 }
 153 ?>