ILIAS  Release_4_2_x_branch Revision 61807
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class.ilObjDlBook.php
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1 <?php
2 /* Copyright (c) 1998-2009 ILIAS open source, Extended GPL, see docs/LICENSE */
3 
4 require_once("./Modules/LearningModule/classes/class.ilObjContentObject.php");
5 
14 class ilObjDlBook extends ilObjContentObject
15 {
16  var $bib_obj;
17 
22  function ilObjDlBook($a_id = 0,$a_call_by_reference = true)
23  {
24  $this->type = "dbk";
25  parent::ilObjContentObject($a_id, $a_call_by_reference);
26 
27  if($a_id)
28  {
29  $this->readAssignedTranslations();
30  }
31  }
32 
33 
37  function initBibItemObject()
38  {
39  include_once("./Modules/LearningModule/classes/class.ilBibItem.php");
40 
41  $this->bib_obj =& new ilBibItem($this);
42  $this->bib_obj->read();
43 
44  return true;
45  }
46 
57  function exportRekursiv($obj_id, $depth, $left, $right)
58  {
59  global $ilDB;
60 
61  // Jetzt alle lm_data anhand der obj_id auslesen.
62  $query = "SELECT *
63  FROM lm_tree, lm_data
64  WHERE lm_tree.lm_id = ".$ilDB->quote($obj_id, "integer")."
65  AND lm_tree.child = lm_data.obj_id
66  AND ( lm_data.type = 'st' OR lm_data.type = 'pg' )
67  AND lm_tree.depth = ".$ilDB->quote($depth, "integer")."
68  AND lm_tree.lft > ".$ilDB->quote($left, "integer").
69  " and lm_tree.rgt < ".$ilDB->quote($right, "integer")."
70  ORDER BY lm_tree.lft";
71  $result = $ilDB->query($query);
72  while (is_array($row = $ilDB->fetchAssoc($result)) )
73  {
74  if ($row["type"] == "st")
75  {
76  $xml .= "<StructureObject>";
77 
78  $nested = new ilNestedSetXML();
79  $xml .= $nested->export($row["obj_id"],"st");
80  $xml .= "\n";
81 
82  $xml .= $this->exportRekursiv($obj_id, $depth+1, $row["lft"], $row["rgt"]);
83 
84  $xml .= "</StructureObject>";
85  }
86 
87  if ($row["type"] == "pg")
88  {
89 
90  $query = "SELECT * FROM page_object WHERE page_id= ".$ilDB->quote($row["obj_id"], "integer");
91  $result2 = $this->ilias->db->query($query);
92 
93  $row2 = $result2->fetchRow(DB_FETCHMODE_ASSOC);
94 
95  $PO = $row2["content"]."\n";
96 
97  if (stristr($PO,"MediaObject"))
98  {
99 
100  $dom = domxml_open_mem($PO);
101  $xpc = xpath_new_context($dom);
102  $path = "//MediaObject/MediaAlias";
103  $res =& xpath_eval($xpc, $path);
104  for($i = 0; $i < count($res->nodeset); $i++)
105  {
106  $id_arr = explode("_", $res->nodeset[$i]->get_attribute("OriginId"));
107  $mob_id = $id_arr[count($id_arr) - 1];
108  $this->mob_ids[$mob_id] = true;
109  }
110  }
111 
112  $nested = new ilNestedSetXML();
113  $mdxml = $nested->export($row["obj_id"],"pg");
114 
115  $PO = str_replace("<PageObject>","<PageObject>\n$mdxml\n",$PO);
116 
117  $xml .= $PO;
118 
119  }
120 
121  }
122 
123  return($xml);
124  }
125 
129  function export($a_deliver = true)
130  {
131  global $ilDB;
132 
133  include_once("./classes/class.ilNestedSetXML.php");
134  // ------------------------------------------------------
135  // anhand der ref_id die obj_id ermitteln.
136  // ------------------------------------------------------
137  $objRow["obj_id"] = ilOject::_lookupObjId();
138  $objRow["title"] = ilOject::_lookupTitle($objRow["obj_id"]);
139  $obj_id = $objRow["obj_id"];
140 
141  $this->mob_ids = array();
142 
143  // ------------------------------------------------------
144  // start xml-String
145  // ------------------------------------------------------
146  $xml = "<?xml version=\"1.0\"?>\n<!DOCTYPE ContentObject SYSTEM \"ilias_co.dtd\">\n<ContentObject Type=\"LibObject\">\n";
147 
148  // ------------------------------------------------------
149  // get global meta-data
150  // ------------------------------------------------------
151  $nested = new ilNestedSetXML();
152  $xml .= $nested->export($obj_id,"dbk")."\n";
153 
154  // ------------------------------------------------------
155  // get all book-xml-data recursiv
156  // ------------------------------------------------------
157 
158  $query = "SELECT *
159  FROM lm_tree, lm_data
160  WHERE lm_tree.lm_id = ".$ilDB->quote($obj_id, "integer")."
161  AND lm_tree.child = lm_data.obj_id
162  AND ( lm_data.type = 'du' )
163  AND lm_tree.depth = 1
164  ORDER BY lm_tree.lft";
165  $result = $ilDB->query($query);
166  $treeData = $ilDB->fetchAssoc($result);
167 
168  $xml .= $this->exportRekursiv($obj_id,2, $treeData["lft"], $treeData["rgt"]);
169 
170  // ------------------------------------------------------
171  // get or create export-directory
172  // ------------------------------------------------------
173  $this->createExportDirectory();
174  $export_dir = $this->getExportDirectory();
175 
176  // ------------------------------------------------------
177  // get mediaobject-xml-data
178  // ------------------------------------------------------
179  $mob_ids = $this->mob_ids;
180  if (is_array($mob_ids) && count($mob_ids)>0)
181  {
182  reset ($mob_ids);
183  while (list ($key, $val) = each ($mob_ids))
184  {
185 
186  $xml .= "<MediaObject>";
187 
188  $query = "SELECT * FROM media_item WHERE mob_id= ".
189  $ilDB->quote($key, "integer")." ";
190  //vd($query);
191  $first = true;
192  $result = $ilDB->query($query);
193  while (is_array($row = $ilDB->fetchRow($result)) )
194  {
195  if($first)
196  {
197  //vd($row[purpose]);
198  $nested = new ilNestedSetXML();
199  $metaxml = $nested->export($key,"mob");
200  $metaxml = preg_replace("/Entry=\"(.*?)\"/","Entry=\"il__mob_".$key."\"",$metaxml);
201 
202  $metaxml2 = "<Technical>";
203  $metaxml2 .= "<Format>".$row["format"]."</Format>";
204  $metaxml2 .= "<Size>14559</Size>";
205  $metaxml2 .= "<Location Type=\"".$row["location_type"]."\">".$row["location"]."</Location>";
206  $metaxml2 .= "</Technical>";
207 
208  $metaxml = str_replace("</MetaData>",$metaxml2."</MetaData>",$metaxml);
209 
210  $xml .= $metaxml;
211 
212  $first = false;
213  }
214 
215  $xml .= "<MediaItem Purpose=\"".$row["purpose"]."\">";
216  $xml .= "<Location Type=\"".$row["location_type"]."\">".$row["location"]."</Location>";
217  $xml .= "<Format>".$row["format"]."</Format>";
218  $xml .= "<Layout Width=\"".$row["width"]."\" Height=\"".$row["height"]."\"/>";
219  $xml .= "</MediaItem>";
220 
221  }
222  $xml .= "</MediaObject>";
223  }
224  }
225 
226 
227  // ------------------------------------------------------
228  // get bib-xml-data
229  // ------------------------------------------------------
230  $nested = new ilNestedSetXML();
231  $bib = $nested->export($obj_id,"bib");
232 
233  $xml .= $bib."\n";
234 
235  // ------------------------------------------------------
236  // xml-ending
237  // ------------------------------------------------------
238  $xml .= "</ContentObject>";
239 
240  // ------------------------------------------------------
241  // filename and directory-creation
242  // ------------------------------------------------------
243  $fileName = $objRow["title"];
244  $fileName = str_replace(" ","_",$fileName);
245 
246  if (!file_exists($export_dir."/".$fileName))
247  {
248  @mkdir($export_dir."/".$fileName);
249  @chmod($export_dir."/".$fileName,0755);
250  }
251 
252  if (!file_exists($export_dir."/".$fileName."/objects"))
253  {
254  @mkdir($export_dir."/".$fileName."/objects");
255  @chmod($export_dir."/".$fileName."/objects",0755);
256  }
257 
258  // ------------------------------------------------------
259  // copy mob-files
260  // ------------------------------------------------------
261  $mob_ids = $this->mob_ids;
262  if (is_array($mob_ids) && count($mob_ids)>0)
263  {
264  reset ($mob_ids);
265  while (list ($key, $val) = each ($mob_ids))
266  {
267 
268  if (!file_exists($export_dir."/".$fileName."/objects/mm".$key))
269  {
270  @mkdir($export_dir."/".$fileName."/objects/mm".$key);
271  @chmod($export_dir."/".$fileName."/objects/mm".$key,0755);
272  }
273 
274  $mobdir = "./data/mobs/mm_".$key;
275  ilUtil::rCopy($mobdir, $export_dir."/".$fileName."/objects/mm".$key);
276  }
277  }
278 
279  // ------------------------------------------------------
280  // save xml-file
281  // ------------------------------------------------------
282  $fp = fopen($export_dir."/".$fileName."/".$fileName.".xml","wb");
283  fwrite($fp,$xml);
284  fclose($fp);
285 
286  // ------------------------------------------------------
287  // zip all files
288  // ------------------------------------------------------
289  ilUtil::zip($export_dir."/".$fileName, $export_dir."/".$fileName.".zip");
290 
291  // ------------------------------------------------------
292  // deliver files
293  // ------------------------------------------------------
294 
295  if($a_deliver)
296  {
297  ilUtil::deliverFile($export_dir."/".$fileName.".zip",$fileName);
298  }
299  else
300  {
301  return $export_dir."/".$fileName.".zip";
302  }
303  /*
304  header("Expires: Mon, 1 Jan 1990 00:00:00 GMT");
305  header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
306  header("Cache-Control: no-store, no-cache, must-revalidate");
307  header("Cache-Control: post-check=0, pre-check=0", false);
308  header("Pragma: no-cache");
309  header("Content-type: application/octet-stream");
310  if (stristr(" ".$GLOBALS["HTTP_SERVER_VARS"]["HTTP_USER_AGENT"],"MSIE") )
311  {
312  header ("Content-Disposition: attachment; filename=" . $fileName.".zip");
313  }
314  else
315  {
316  header ("Content-Disposition: inline; filename=".$fileName.".zip" );
317  }
318  header ("Content-length:".(string)( filesize($export_dir."/".$fileName.".zip")) );
319 
320  readfile( $export_dir."/".$fileName.".zip" );
321  */
322 
323  }
324 
325 
326  function addTranslation($a_ref_id)
327  {
328  global $ilDB;
329 
330  $ilDB->manipulate("DELETE FROM dbk_translations ".
331  " WHERE id = ".$ilDB->quote($this->ref_id, "integer")." ".
332  " AND tr_id = ".$ilDB->quote($a_ref_id, "integer"));
333 
334  $ilDB->manipulate("INSERT INTO dbk_translations (id, tr_id) VALUES ".
335  "(".$ilDB->quote($this->ref_id, "integer").", ".
336  "".$ilDB->quote($a_ref_id, "integer").")");
337 
338  $ilDB->manipulate("DELETE FROM dbk_translations ".
339  " WHERE id = ".$ilDB->quote($a_ref_id, "integer")." ".
340  " AND tr_id = ".$ilDB->quote($this->ref_id, "integer"));
341 
342  $ilDB->manipulate("INSERT INTO dbk_translations (id, tr_id) VALUES ".
343  "(".$ilDB->quote($a_ref_id, "integer").", ".
344  "".$ilDB->quote($this->ref_id, "integer").")");
345 
346  // UPDATE MEMBER VARIABLE
347  $this->readAssignedTranslations();
348 
349  return true;
350  }
351 
352  function addTranslations($a_arr_ref_id)
353  {
354  if(!is_array($a_arr_ref_id))
355  {
356  return false;
357  }
358  foreach($a_arr_ref_id as $ref_id)
359  {
360  $this->addTranslation($ref_id);
361  }
362  return true;
363  }
364  function deleteTranslation($a_ref_id)
365  {
366  global $ilDB;
367 
368  if(!$a_ref_id)
369  {
370  return false;
371  }
372 
373  $ilDB->manipulate("DELETE FROM dbk_translations ".
374  "WHERE id = ".$ilDB->quote($this->ref_id, "integer")." ".
375  "AND tr_id = ".$ilDB->quote($a_ref_id, "integer"));
376 
377  $ilDB->manipulate("DELETE FROM dbk_translations ".
378  "WHERE id = ".$ilDB->quote($a_ref_id, "integer")." ".
379  "AND tr_id = ".$ilDB->quote($this->ref_id, "integer"));
380 
381  // UPDATE MEMBER VARIABLE
382  $this->readAssignedTranslations();
383 
384  return true;
385  }
386 
387  function deleteTranslations($a_arr_ref_id)
388  {
389  if(!is_array($a_arr_ref_id))
390  {
391  return false;
392  }
393  foreach($a_arr_ref_id as $ref_id)
394  {
395  $this->deleteTranslation($ref_id);
396  }
397  return true;
398  }
399  function getTranslations()
400  {
401  return $this->tr_ids;
402  }
403 
404  function getXMLZip()
405  {
406  return $this->export(false);
407  }
408 
409 
410  // PRIVATE METHODS
411  function readAssignedTranslations()
412  {
413  global $ilDB;
414 
415  $query = "SELECT tr_id FROM dbk_translations ".
416  "WHERE id = ".$ilDB->quote($this->ref_id, "integer");
417 
418  $res = $ilDB->query($query);
419  while ($row = $ilDB->fetchObject($res))
420  {
421  $tmp_tr_ids[] = $row->tr_id;
422  }
423  return $this->tr_ids = $tmp_tr_ids ? $tmp_tr_ids : array();
424  }
425 } // END class.ilObjDlBook
426 
427 ?>