mod/dialogue/restorelib.php

   1 <?php //$Id$
   2     //This php script contains all the stuff to backup/restore
   3     //dialogue mods
   4
   5     //This is the "graphical" structure of the dialogue mod:
   6     //
   7     //                     dialogue
   8     //                   (CL,pk->id)
   9     //                        |
  10     //                        |
  11     //                        |
  12     //               dialogue_conversations
  13     //            (UL,pk->id, fk->dialogueid)
  14     //                        |
  15     //                        |
  16     //                        |
  17     //                 dialogue_entries
  18     //            (UL,pk->id, fk->conversationid)
  19     //
  20     // Meaning: pk->primary key field of the table
  21     //          fk->foreign key to link with parent
  22     //          nt->nested field (recursive data)
  23     //          CL->course level info
  24     //          UL->user level info
  25     //          files->table may have files)
  26     //
  27     //-----------------------------------------------------------
  28
  29     //This function executes all the restore procedure about this mod
  30     function dialogue_restore_mods($mod,$restore) {
  31
  32         global $CFG;
  33
  34         $status = true;
  35
  36         //Get record from backup_ids
  37         $data = backup_getid($restore->backup_unique_code,$mod->modtype,$mod->id);
  38
  39         if ($data) {
  40             //Now get completed xmlized object
  41             $info = $data->info;
  42             //traverse_xmlize($info);                                                               //Debug
  43             //print_object ($GLOBALS['traverse_array']);                                            //Debug
  44             //$GLOBALS['traverse_array']="";                                                        //Debug
  45
  46             //Now, build the dialogue record structure
  47             $dialogue->course = $restore->course_id;
  48             $dialogue->name = backup_todb($info['MOD']['#']['NAME']['0']['#']);
  49             $dialogue->intro = backup_todb($info['MOD']['#']['INTRO']['0']['#']);
  50             $dialogue->deleteafter = backup_todb($info['MOD']['#']['DELETEAFTER']['0']['#']);
  51             $dialogue->dialoguetype = backup_todb($info['MOD']['#']['DIALOGUETYPE']['0']['#']);
  52             $dialogue->multipleconversations = backup_todb($info['MOD']['#']['MULTIPLECONVERSATIONS']['0']['#']);
  53             $dialogue->maildefault = backup_todb($info['MOD']['#']['MAILDEFAULT']['0']['#']);
  54             $dialogue->timemodified = backup_todb($info['MOD']['#']['TIMEMODIFIED']['0']['#']);
  55
  56             //The structure is equal to the db, so insert the dialogue
  57             $newid = insert_record ("dialogue",$dialogue);
  58
  59             //Do some output
  60             echo "<li>".get_string("modulename","dialogue")." \"".$dialogue->name."\"</li>";
  61             backup_flush(300);
  62
  63             if ($newid) {
  64                 //We have the newid, update backup_ids
  65                 backup_putid($restore->backup_unique_code,$mod->modtype,
  66                              $mod->id, $newid);
  67                 //Now check if want to restore user data and do it.
  68                 if ($restore->mods['dialogue']->userinfo) {
  69                     //Restore dialogue_conversations
  70                     $status = dialogue_conversations_restore($mod->id, $newid,$info,$restore);
  71                 }
  72             } else {
  73                 $status = false;
  74             }
  75         } else {
  76             $status = false;
  77         }
  78
  79         return $status;
  80     }
  81
  82
  83     //This function restores the dialogue_conversations
  84     function dialogue_conversations_restore($old_dialogue_id, $new_dialogue_id,$info,$restore) {
  85
  86         global $CFG;
  87
  88         $status = true;
  89
  90         //Get the entries array
  91         $conversations = $info['MOD']['#']['CONVERSATIONS']['0']['#']['CONVERSATION'];
  92
  93         if ($conversations) {
  94             //Iterate over conversations
  95             for($i = 0; $i < sizeof($conversations); $i++) {
  96                 $conversation_info = $conversations[$i];
  97                 //traverse_xmlize($conversation_info);                                  //Debug
  98                 //print_object ($GLOBALS['traverse_array']);                            //Debug
  99                 //$GLOBALS['traverse_array']="";                                        //Debug
 100
 101                 //We'll need this later!!
 102                 $oldid = backup_todb($conversation_info['#']['ID']['0']['#']);
 103                 $olduserid = backup_todb($conversation_info['#']['USERID']['0']['#']);
 104
 105                 //Now, build the dialogue_ENTRIES record structure
 106                 $conversation->dialogueid = $new_dialogue_id;
 107                 $conversation->userid = backup_todb($conversation_info['#']['USERID']['0']['#']);
 108                 $conversation->recipientid = backup_todb($conversation_info['#']['RECIPIENTID']['0']['#']);
 109                 $conversation->lastid = backup_todb($conversation_info['#']['LASTID']['0']['#']);
 110                 $conversation->timemodified = backup_todb($conversation_info['#']['TIMEMODIFIED']['0']['#']);
 111                 $conversation->closed = backup_todb($conversation_info['#']['CLOSED']['0']['#']);
 112                 $conversation->seenon = backup_todb($conversation_info['#']['SEENON']['0']['#']);
 113                 $conversation->ctype = backup_todb($conversation_info['#']['CTYPE']['0']['#']);
 114                 $conversation->format = backup_todb($conversation_info['#']['FORMAT']['0']['#']);
 115                 $conversation->subject = backup_todb($conversation_info['#']['SUBJECT']['0']['#']);
 116                 //We have to recode the userid and recipientid fields
 117                 $user = backup_getid($restore->backup_unique_code,"user",$conversation->userid);
 118                 if ($user) {
 119                     $conversation->userid = $user->new_id;
 120                 }
 121                 $user = backup_getid($restore->backup_unique_code,"user",$conversation->recipientid);
 122                 if ($user) {
 123                     $conversation->recipientid = $user->new_id;
 124                 }
 125
 126                 //The structure is equal to the db, so insert the dialogue_conversation
 127                 $newid = insert_record ("dialogue_conversations",$conversation);
 128
 129                 //Do some output
 130                 if (($i+1) % 50 == 0) {
 131                     echo ".";
 132                     if (($i+1) % 1000 == 0) {
 133                         echo "<br />";
 134                     }
 135                     backup_flush(300);
 136                 }
 137
 138                 if ($newid) {
 139                     //We have the newid, update backup_ids
 140                     backup_putid($restore->backup_unique_code, "dialogue_conversations",
 141                             $oldid, $newid);
 142                     //Now check if want to restore user data and do it.
 143                     if ($status) {
 144                         //Restore dialogue_entries
 145                         $status = dialogue_entries_restore($new_dialogue_id, $newid,$conversation_info,
 146                                 $restore);
 147                     }
 148                 } else {
 149                     $status = false;
 150                 }
 151             }
 152
 153        }
 154
 155         return $status;
 156     }
 157
 158     //This function restores the dialogue_entries
 159     function dialogue_entries_restore($new_dialogue_id, $new_conversation_id,$info,$restore) {
 160
 161         global $CFG;
 162
 163         $status = true;
 164
 165         //Get the entries array
 166         if (isset($info['#']['ENTRIES']['0']['#']['ENTRY'])) {
 167             $entries = $info['#']['ENTRIES']['0']['#']['ENTRY'];
 168
 169             //Iterate over entries
 170             for($i = 0; $i < sizeof($entries); $i++) {
 171                 $entry_info = $entries[$i];
 172                 //traverse_xmlize($entry_info);                                                      //Debug
 173                 //print_object ($GLOBALS['traverse_array']);                                         //Debug
 174                 //$GLOBALS['traverse_array']="";                                                     //Debug
 175
 176                 //We'll need this later!!
 177                 $oldid = backup_todb($entry_info['#']['ID']['0']['#']);
 178                 $olduserid = backup_todb($entry_info['#']['USERID']['0']['#']);
 179
 180                 //Now, build the dialogue_ENTRIES record structure
 181                 $entry->dialogueid = $new_dialogue_id;
 182                 $entry->conversationid = $new_conversation_id;
 183                 $entry->userid = backup_todb($entry_info['#']['USERID']['0']['#']);
 184                 $entry->timecreated = backup_todb($entry_info['#']['TIMECREATED']['0']['#']);
 185                 $entry->mailed = backup_todb($entry_info['#']['MAILED']['0']['#']);
 186                 $entry->text = backup_todb($entry_info['#']['TEXT']['0']['#']);
 187
 188                 //We have to recode the userid field
 189                 $user = backup_getid($restore->backup_unique_code,"user",$entry->userid);
 190                 if ($user) {
 191                     $entry->userid = $user->new_id;
 192                 }
 193
 194                 //The structure is equal to the db, so insert the dialogue_entry
 195                 $newid = insert_record ("dialogue_entries",$entry);
 196
 197                 //Do some output
 198                 if (($i+1) % 50 == 0) {
 199                     echo ".";
 200                     if (($i+1) % 1000 == 0) {
 201                         echo "<br />";
 202                     }
 203                     backup_flush(300);
 204                 }
 205
 206                 if ($newid) {
 207                     //We have the newid, update backup_ids
 208                     backup_putid($restore->backup_unique_code,"dialogue_entry",$oldid,
 209                             $newid);
 210                 } else {
 211                     $status = false;
 212                 }
 213             }
 214         }
 215
 216         return $status;
 217     }
 218
 219 ?>