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/mod/mplayer/backuplib.php

https://github.com/ewout/moodle-atpusp
PHP | 252 lines | 181 code | 35 blank | 36 comment | 23 complexity | a801a69968f9089a278d264dbf4611c6 MD5 | raw file
    

  1. <?php //$Id: backuplib.php,v 1.7 2007/04/22 22:07:03 stronk7 Exp $

    2. 

  2.     //This php script contains all the stuff to backup/restore

    3. 

  3.     //mplayer mods

    4. 

  4. 

    5. 

  5.     //This is the "graphical" structure of the mplayer mod:

    6. 

  6.     //

    7. 

  7.     //                     mplayer                                      

    8. 

  8.     //                 (CL,pk->id,files)

    9. 

  9.     //

    10. 

  10.     // Meaning: pk->primary key field of the table

    11. 

  11.     //          fk->foreign key to link with parent

    12. 

  12.     //          nt->nested field (recursive data)

    13. 

  13.     //          CL->course level info

    14. 

  14.     //          UL->user level info

    15. 

  15.     //          files->table may have files)

    16. 

  16.     //

    17. 

  17.     //-----------------------------------------------------------

    18. 

  18. 

    19. 

  19.     //This function executes all the backup procedure about this mod

    20. 

  20.     function mplayer_backup_mods($bf,$preferences) {

    21. 

  21.         global $CFG;

    22. 

  22. 

    23. 

  23.         $status = true; 

    24. 

  24. 

    25. 

  25.         ////Iterate over mplayer table

    26. 

  26.         $mplayers = get_records ("mplayer","course",$preferences->backup_course,"id");

    27. 

  27.         if ($mplayers) {

    28. 

  28.             foreach ($mplayers as $mplayer) {

    29. 

  29.                 if (backup_mod_selected($preferences,'mplayer',$mplayer->id)) {

    30. 

  30.                     $status = mplayer_backup_one_mod($bf,$preferences,$mplayer);

    31. 

  31.                 }

    32. 

  32.             }

    33. 

  33.         }

    34. 

  34.         return $status;

    35. 

  35.     }

    36. 

  36.    

    37. 

  37.     function mplayer_backup_one_mod($bf,$preferences,$mplayer) {

    38. 

  38. 

    39. 

  39.         global $CFG;

    40. 

  40.     

    41. 

  41.         if (is_numeric($mplayer)) {

    42. 

  42.             $mplayer = get_record('mplayer','id',$mplayer);

    43. 

  43.         }

    44. 

  44.     

    45. 

  45.         $status = true;

    46. 

  46. 

    47. 

  47.         //Start mod

    48. 

  48.         fwrite ($bf,start_tag("MOD",3,true));

    49. 

  49.         //Print assignment data

    50. 

  50.         fwrite ($bf,full_tag("ID",4,false,$mplayer->id));

    51. 

  51.         fwrite ($bf,full_tag("MODTYPE",4,false,"mplayer"));

    52. 

  52.         fwrite ($bf,full_tag("NAME",4,false,$mplayer->name));

    53. 

  53. 		fwrite ($bf,full_tag("INTRO",4,false,$mplayer->intro));

    54. 

  54.         fwrite ($bf,full_tag("INTROFORMAT",4,false,$mplayer->introformat));

    55. 

  55.         fwrite ($bf,full_tag("TIMECREATED",4,false,$mplayer->timecreated));

    56. 

  56.         fwrite ($bf,full_tag("TIMEMODIFIED",4,false,$mplayer->timemodified));

    57. 

  57.         fwrite ($bf,full_tag("CONFIGXML",4,false,$mplayer->configxml));

    58. 

  58.         fwrite ($bf,full_tag("AUTHOR",4,false,$mplayer->author));

    59. 

  59.         fwrite ($bf,full_tag("MPLAYERDATE",4,false,$mplayer->mplayerdate));

    60. 

  60.         fwrite ($bf,full_tag("DESCRIPTION",4,false,$mplayer->description));

    61. 

  61.         fwrite ($bf,full_tag("INFOBOXCOLOR",4,false,$mplayer->infoboxcolor));

    62. 

  62. 		fwrite ($bf,full_tag("INFOBOXPOSITION",4,false,$mplayer->infoboxposition));

    63. 

  63. 		fwrite ($bf,full_tag("INFOBOXSIZE",4,false,$mplayer->infoboxsize));

    64. 

  64. 		fwrite ($bf,full_tag("DURATION",4,false,$mplayer->duration));

    65. 

  65.         fwrite ($bf,full_tag("MPLAYERFILE",4,false,$mplayer->mplayerfile));

    66. 

  66.         fwrite ($bf,full_tag("HDBITRATE",4,false,$mplayer->hdbitrate));

    67. 

  67. 		fwrite ($bf,full_tag("HDFILE",4,false,$mplayer->hdfile));

    68. 

  68.         fwrite ($bf,full_tag("HDFULLSCREEN",4,false,$mplayer->hdfullscreen));

    69. 

  69. 		fwrite ($bf,full_tag("HDSATE",4,false,$mplayer->hdstate));

    70. 

  70. 		fwrite ($bf,full_tag("LIVESTREAMFILE",4,false,$mplayer->livestreamfile));

    71. 

  71. 		fwrite ($bf,full_tag("LIVESTREAMIMAGE",4,false,$mplayer->livestreamimage));

    72. 

  72. 		fwrite ($bf,full_tag("LIVESTREAMINTERVAL",4,false,$mplayer->livestreaminterval));

    73. 

  73. 		fwrite ($bf,full_tag("LIVESTREAMMESSAGE",4,false,$mplayer->livestreammessage));

    74. 

  74. 		fwrite ($bf,full_tag("LIVESTREAMSTREAMER",4,false,$mplayer->livestreamstreamer));

    75. 

  75. 		fwrite ($bf,full_tag("LIVESTREAMTAGS",4,false,$mplayer->livestreamtags));

    76. 

  76. 		fwrite ($bf,full_tag("IMAGE",4,false,$mplayer->image));

    77. 

  77. 		fwrite ($bf,full_tag("AUDIODESCRIPTIONFILE",4,false,$mplayer->audiodescriptionfile));

    78. 

  78.         fwrite ($bf,full_tag("AUDIODESCRIPTIONSTATE",4,false,$mplayer->audiodescriptionstate));

    79. 

  79.         fwrite ($bf,full_tag("AUDIODESCRIPTIONVOLUME",4,false,$mplayer->audiodescriptionvolume));

    80. 

  80.         fwrite ($bf,full_tag("MPLAYERSTART",4,false,$mplayer->mplayerstart));

    81. 

  81.         fwrite ($bf,full_tag("TAGS",4,false,$mplayer->tags));

    82. 

  82.         fwrite ($bf,full_tag("TITLE",4,false,$mplayer->title));

    83. 

  83.         fwrite ($bf,full_tag("TYPE",4,false,$mplayer->type));

    84. 

  84.         fwrite ($bf,full_tag("BACKCOLOR",4,false,$mplayer->backcolor));

    85. 

  85.         fwrite ($bf,full_tag("FRONTCOLOR",4,false,$mplayer->frontcolor));

    86. 

  86.         fwrite ($bf,full_tag("LIGHTCOLOR",4,false,$mplayer->lightcolor));

    87. 

  87.         fwrite ($bf,full_tag("SCREENCOLOR",4,false,$mplayer->screencolor));

    88. 

  88.         fwrite ($bf,full_tag("CONTROLBAR",4,false,$mplayer->controlbar));

    89. 

  89.         fwrite ($bf,full_tag("SMOOTHING",4,false,$mplayer->smoothing));

    90. 

  90.         fwrite ($bf,full_tag("HEIGHT",4,false,$mplayer->height));

    91. 

  91.         fwrite ($bf,full_tag("PLAYLIST",4,false,$mplayer->playlist));

    92. 

  92.         fwrite ($bf,full_tag("PLAYLISTSIZE",4,false,$mplayer->playlistsize));

    93. 

  93.         fwrite ($bf,full_tag("SKIN",4,false,$mplayer->skin));

    94. 

  94.         fwrite ($bf,full_tag("WIDTH",4,false,$mplayer->width));

    95. 

  95.         fwrite ($bf,full_tag("AUTOSTART",4,false,$mplayer->autostart));

    96. 

  96.         fwrite ($bf,full_tag("BUFFERLENGTH",4,false,$mplayer->bufferlength));

    97. 

  97.         fwrite ($bf,full_tag("FULLSCREEN",4,false,$mplayer->fullscreen));

    98. 

  98.         fwrite ($bf,full_tag("ICONS",4,false,$mplayer->icons));

    99. 

  99.         fwrite ($bf,full_tag("ITEM",4,false,$mplayer->item));

    100. 

  100.         fwrite ($bf,full_tag("LOGOBOXALIGN",4,false,$mplayer->logoboxalign));

    101. 

  101.         fwrite ($bf,full_tag("LOGOBOXFILE",4,false,$mplayer->logoboxfile));

    102. 

  102.         fwrite ($bf,full_tag("LOGOBOXLINK",4,false,$mplayer->logoboxlink));

    103. 

  103.         fwrite ($bf,full_tag("LOGOBOXMARGIN",4,false,$mplayer->logoboxmargin));

    104. 

  104.         fwrite ($bf,full_tag("LOGOBOXPOSITION",4,false,$mplayer->logoboxposition));

    105. 

  105.         fwrite ($bf,full_tag("LOGOFILE",4,false,$mplayer->logofile));

    106. 

  106.         fwrite ($bf,full_tag("LOGOLINK",4,false,$mplayer->logolink));

    107. 

  107.         fwrite ($bf,full_tag("LOGOHIDE",4,false,$mplayer->logohide));

    108. 

  108.         fwrite ($bf,full_tag("LOGOPOSITION",4,false,$mplayer->logoposition));

    109. 

  109.         fwrite ($bf,full_tag("MUTE",4,false,$mplayer->mute));

    110. 

  110.         fwrite ($bf,full_tag("QUALITY",4,false,$mplayer->quality));

    111. 

  111.         fwrite ($bf,full_tag("MPLAYERREPEAT",4,false,$mplayer->mplayerrepeat));

    112. 

  112.         fwrite ($bf,full_tag("RESIZING",4,false,$mplayer->resizing));

    113. 

  113.         fwrite ($bf,full_tag("SHUFFLE",4,false,$mplayer->shuffle));

    114. 

  114.         fwrite ($bf,full_tag("STATE",4,false,$mplayer->state));

    115. 

  115.         fwrite ($bf,full_tag("STRETCHING",4,false,$mplayer->stretching));

    116. 

  116.         fwrite ($bf,full_tag("VOLUME",4,false,$mplayer->volume));

    117. 

  117.         fwrite ($bf,full_tag("PLUGINS",4,false,$mplayer->plugins));

    118. 

  118.         fwrite ($bf,full_tag("STREAMER",4,false,$mplayer->streamer));

    119. 

  119.         fwrite ($bf,full_tag("TRACECALL",4,false,$mplayer->tracecall));

    120. 

  120.         fwrite ($bf,full_tag("CAPTIONSBACK",4,false,$mplayer->captionsback));

    121. 

  121.         fwrite ($bf,full_tag("CAPTIONSFILE",4,false,$mplayer->captionsfile));

    122. 

  122.         fwrite ($bf,full_tag("CAPTIONSFONTSIZE",4,false,$mplayer->captionsfontsize));

    123. 

  123.         fwrite ($bf,full_tag("CAPTIONSSTATE",4,false,$mplayer->captionsstate));

    124. 

  124.         fwrite ($bf,full_tag("FPVERSION",4,false,$mplayer->fpversion));

    125. 

  125.         fwrite ($bf,full_tag("NOTES",4,false,$mplayer->notes));

    126. 

  126.         fwrite ($bf,full_tag("METAVIEWERPOSITION",4,false,$mplayer->metaviewerposition));

    127. 

  127.         fwrite ($bf,full_tag("METAVIEWERSIZE",4,false,$mplayer->metaviewersize));

    128. 

  128. 		fwrite ($bf,full_tag("SEARCHBARCOLOR",4,false,$mplayer->searchbarcolor));

    129. 

  129. 		fwrite ($bf,full_tag("SEARCHBARLABEL",4,false,$mplayer->searchbarlabel));

    130. 

  130. 		fwrite ($bf,full_tag("SEARCHBARPOSITION",4,false,$mplayer->searchbarposition));

    131. 

  131. 		fwrite ($bf,full_tag("SEARCHBARSCRIPT",4,false,$mplayer->searchbarscript));

    132. 

  132. 		fwrite ($bf,full_tag("SNAPSHOTBITMAP",4,false,$mplayer->snapshotbitmap));

    133. 

  133. 		fwrite ($bf,full_tag("SNAPSHOTSCRIPT",4,false,$mplayer->snapshotscript));

    134. 

  134.         //End mod

    135. 

  135.         $status = fwrite ($bf,end_tag("MOD",3,true));

    136. 

  136. 

    137. 

  137.         if ($status) {

    138. 

  138.             // backup files for this mplayer.

    139. 

  139.             $status = mplayer_backup_files($bf,$preferences,$mplayer);

    140. 

  140.         }

    141. 

  141. 

    142. 

  142.         return $status;

    143. 

  143.     }

    144. 

  144. 

    145. 

  145.    ////Return an array of info (name,value)

    146. 

  146.    function mplayer_check_backup_mods($course,$user_data=false,$backup_unique_code,$instances=null) {

    147. 

  147.        if (!empty($instances) && is_array($instances) && count($instances)) {

    148. 

  148.            $info = array();

    149. 

  149.            foreach ($instances as $id => $instance) {

    150. 

  150.                $info += mplayer_check_backup_mods_instances($instance,$backup_unique_code);

    151. 

  151.            }

    152. 

  152.            return $info;

    153. 

  153.        }

    154. 

  154.        //First the course data

    155. 

  155.        $info[0][0] = get_string("modulenameplural","mplayer");

    156. 

  156.        if ($ids = mplayer_ids ($course)) {

    157. 

  157.            $info[0][1] = count($ids);

    158. 

  158.        } else {

    159. 

  159.            $info[0][1] = 0;

    160. 

  160.        }

    161. 

  161.        

    162. 

  162.        return $info;

    163. 

  163.    }

    164. 

  164. 

    165. 

  165.    ////Return an array of info (name,value)

    166. 

  166.    function mplayer_check_backup_mods_instances($instance,$backup_unique_code) {

    167. 

  167.         //First the course data

    168. 

  168.         $info[$instance->id.'0'][0] = '<b>'.$instance->name.'</b>';

    169. 

  169.         $info[$instance->id.'0'][1] = '';

    170. 

  170. 

    171. 

  171.         return $info;

    172. 

  172.     }

    173. 

  173. 

    174. 

  174.     //Return a content encoded to support interactivities linking. Every module

    175. 

  175.     //should have its own. They are called automatically from the backup procedure.

    176. 

  176.     function mplayer_encode_content_links ($content,$preferences) {

    177. 

  177. 

    178. 

  178.         global $CFG;

    179. 

  179. 

    180. 

  180.         $base = preg_quote($CFG->wwwroot,"/");

    181. 

  181. 

    182. 

  182.         //Link to the list of mplayers

    183. 

  183.         $buscar="/(".$base."\/mod\/mplayer\/index.php\?id\=)([0-9]+)/";

    184. 

  184.         $result= preg_replace($buscar,'$@MPLAYERINDEX*$2@$',$content);

    185. 

  185. 

    186. 

  186.         //Link to mplayer view by moduleid

    187. 

  187.         $buscar="/(".$base."\/mod\/mplayer\/view.php\?id\=)([0-9]+)/";

    188. 

  188.         $result= preg_replace($buscar,'$@MPLAYERVIEWBYID*$2@$',$result);

    189. 

  189. 

    190. 

  190.         //Link to mplayer view by mplayerid

    191. 

  191.         $buscar="/(".$base."\/mod\/mplayer\/view.php\?r\=)([0-9]+)/";

    192. 

  192.         $result= preg_replace($buscar,'$@MPLAYERVIEWBYR*$2@$',$result);

    193. 

  193. 

    194. 

  194.         return $result;

    195. 

  195.     }

    196. 

  196. 

    197. 

  197.     // INTERNAL FUNCTIONS. BASED IN THE MOD STRUCTURE

    198. 

  198. 

    199. 

  199.     //Returns an array of mplayers id

    200. 

  200.     function mplayer_ids ($course) {

    201. 

  201. 

    202. 

  202.         global $CFG;

    203. 

  203. 

    204. 

  204.         return get_records_sql ("SELECT a.id, a.course

    205. 

  205.                                  FROM {$CFG->prefix}mplayer a

    206. 

  206.                                  WHERE a.course = '$course'");

    207. 

  207.     }

    208. 

  208.    

    209. 

  209.     function mplayer_backup_files($bf,$preferences,$mplayer) {

    210. 

  210.         global $CFG;

    211. 

  211.         $status = true;

    212. 

  212. 

    213. 

  213.         if (!file_exists($CFG->dataroot.'/'.$preferences->backup_course.'/'.$mplayer->mplayerfile)) {

    214. 

  214.             return true ; // doesn't exist but we don't want to halt the entire process so still return true.

    215. 

  215.         }

    216. 

  216.         

    217. 

  217.         $status = $status && check_and_create_course_files_dir($preferences->backup_unique_code);

    218. 

  218. 

    219. 

  219.         // if this is somewhere deeply nested we need to do all the structure stuff first.....

    220. 

  220.         $bits = explode('/',$mplayer->mplayerfile);

    221. 

  221.         $newbit = '';

    222. 

  222.         for ($i = 0; $i< count($bits)-1; $i++) {

    223. 

  223.             $newbit .= $bits[$i].'/';

    224. 

  224.             $status = $status && check_dir_exists($CFG->dataroot.'/temp/backup/'.$preferences->backup_unique_code.'/course_files/'.$newbit,true);

    225. 

  225.         }

    226. 

  226. 

    227. 

  227.         if ($mplayer->mplayerfile === '') {

    228. 

  228.             $status = $status && backup_copy_course_files($preferences); // copy while ignoring backupdata and moddata!!!

    229. 

  229.         } else if (strpos($mplayer->mplayerfile, 'backupdata') === 0 or strpos($mplayer->mplayerfile, $CFG->moddata) === 0) {

    230. 

  230.             // no copying - these directories must not be shared anyway!

    231. 

  231.         } else {

    232. 

  232.             $status = $status && backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$mplayer->mplayerfile,

    233. 

  233.                                                   $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/course_files/".$mplayer->mplayerfile);

    234. 

  234.         }

    235. 

  235.          

    236. 

  236.         // now, just in case we check moddata ( going forwards, mplayers should use this )

    237. 

  237.         $status = $status && check_and_create_moddata_dir($preferences->backup_unique_code);

    238. 

  238.         $status = $status && check_dir_exists($CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/".$CFG->moddata."/mplayer/",true);

    239. 

  239.         

    240. 

  240.         if ($status) {

    241. 

  241.             //Only if it exists !! Thanks to Daniel Miksik.

    242. 

  242.             $instanceid = $mplayer->id;

    243. 

  243.             if (is_dir($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/mplayer/".$instanceid)) {

    244. 

  244.                 $status = backup_copy_file($CFG->dataroot."/".$preferences->backup_course."/".$CFG->moddata."/mplayer/".$instanceid,

    245. 

  245.                                            $CFG->dataroot."/temp/backup/".$preferences->backup_unique_code."/moddata/mplayer/".$instanceid);

    246. 

  246.             }

    247. 

  247.         }

    248. 

  248. 

    249. 

  249.         return $status;

    250. 

  250.     }

    251. 

  251. 

    252. 

  252. ?>

    253. 

  253.