node.module 103 KB
Newer Older
Dries's avatar
   
Dries committed
1
<?php
2
// $Id$
Dries's avatar
   
Dries committed
3

Dries's avatar
   
Dries committed
4
5
/**
 * @file
6
7
 * The core that allows content to be submitted to the site. Modules and scripts may
 * programmatically submit nodes using the usual form API pattern.
Dries's avatar
   
Dries committed
8
9
 */

10
11
define('NODE_NEW_LIMIT', time() - 30 * 24 * 60 * 60);

Dries's avatar
   
Dries committed
12
13
14
15
/**
 * Implementation of hook_help().
 */
function node_help($section) {
16
  switch ($section) {
Dries's avatar
   
Dries committed
17
    case 'admin/help#node':
18
19
20
21
22
23
24
25
26
27
      $output = '<p>'. t('All content in a website is stored and treated as <b>nodes</b>. Therefore nodes are any postings such as blogs, stories, polls and forums. The node module manages these content types and is one of the strengths of Drupal over other content management systems.') .'</p>';
      $output .= '<p>'. t('Treating all content as nodes allows the flexibility of creating new types of content. It also allows you to painlessly apply new features or changes to all content. Comments are not stored as nodes but are always associated with a node.') .'</p>';
      $output .= t('<p>Node module features</p>
<ul>
<li>The list tab provides an interface to search and sort all content on your site.</li>
<li>The configure settings tab has basic settings for content on your site.</li>
<li>The configure content types tab lists all content types for your site and lets you configure their default workflow.</li>
<li>The search tab lets you search all content on your site</li>
</ul>
');
28
      $output .= '<p>'. t('For more information please read the configuration and customization handbook <a href="@node">Node page</a>.', array('@node' => 'http://drupal.org/handbook/modules/node/')) .'</p>';
Dries's avatar
   
Dries committed
29
      return $output;
30
    case 'admin/content/search':
31
      return '<p>'. t('Enter a simple pattern to search for a post. Words are matched exactly. Phrases can be surrounded by quotes to do an exact search.') .'</p>';
32
33
34
    case 'admin/content/types':
      return '<p>'. t('Below is a list of all the content types on your site. All posts that exist on your site are instances of one of these content types.') .'</p>';
    case 'admin/content/types/add':
35
      return '<p>'. t('To create a new content type, enter the human-readable name, the machine-readable name, and all other relevant fields that are on this page. Once created, users of your site will be able to create posts that are instances of this content type.') .'</p>';
Dries's avatar
   
Dries committed
36
  }
Dries's avatar
   
Dries committed
37
38

  if (arg(0) == 'node' && is_numeric(arg(1)) && arg(2) == 'revisions') {
39
    return '<p>'. t('The revisions let you track differences between multiple versions of a post.') .'</p>';
Dries's avatar
   
Dries committed
40
  }
41
42

  if (arg(0) == 'node' && arg(1) == 'add' && $type = arg(2)) {
43
    $type = node_get_types('type', str_replace('-', '_', arg(2)));
44
    return '<p>'. (isset($type->help) ? filter_xss_admin($type->help) : '') .'</p>';
45
  }
Dries's avatar
   
Dries committed
46
47
}

Dries's avatar
   
Dries committed
48
49
50
/**
 * Implementation of hook_cron().
 */
51
function node_cron() {
Dries's avatar
   
Dries committed
52
  db_query('DELETE FROM {history} WHERE timestamp < %d', NODE_NEW_LIMIT);
53
54
}

Dries's avatar
   
Dries committed
55
56
57
58
/**
 * Gather a listing of links to nodes.
 *
 * @param $result
59
 *   A DB result object from a query to fetch node objects. If your query joins the <code>node_comment_statistics</code> table so that the <code>comment_count</code> field is available, a title attribute will be added to show the number of comments.
Dries's avatar
   
Dries committed
60
61
62
63
64
65
 * @param $title
 *   A heading for the resulting list.
 *
 * @return
 *   An HTML list suitable as content for a block.
 */
Dries's avatar
   
Dries committed
66
67
function node_title_list($result, $title = NULL) {
  while ($node = db_fetch_object($result)) {
68
    $items[] = l($node->title, 'node/'. $node->nid, $node->comment_count ? array('title' => format_plural($node->comment_count, '1 comment', '@count comments')) : '');
Dries's avatar
   
Dries committed
69
70
  }

Dries's avatar
   
Dries committed
71
  return theme('node_list', $items, $title);
Dries's avatar
   
Dries committed
72
73
}

Dries's avatar
   
Dries committed
74
75
76
/**
 * Format a listing of links to nodes.
 */
Dries's avatar
   
Dries committed
77
function theme_node_list($items, $title = NULL) {
Dries's avatar
   
Dries committed
78
  return theme('item_list', $items, $title);
Dries's avatar
   
Dries committed
79
80
}

Dries's avatar
   
Dries committed
81
82
83
/**
 * Update the 'last viewed' timestamp of the specified node for current user.
 */
Dries's avatar
   
Dries committed
84
85
86
87
function node_tag_new($nid) {
  global $user;

  if ($user->uid) {
Dries's avatar
   
Dries committed
88
    if (node_last_viewed($nid)) {
Dries's avatar
   
Dries committed
89
      db_query('UPDATE {history} SET timestamp = %d WHERE uid = %d AND nid = %d', time(), $user->uid, $nid);
Dries's avatar
   
Dries committed
90
91
    }
    else {
Dries's avatar
   
Dries committed
92
      @db_query('INSERT INTO {history} (uid, nid, timestamp) VALUES (%d, %d, %d)', $user->uid, $nid, time());
Dries's avatar
   
Dries committed
93
94
95
96
    }
  }
}

Dries's avatar
   
Dries committed
97
98
99
100
/**
 * Retrieves the timestamp at which the current user last viewed the
 * specified node.
 */
Dries's avatar
   
Dries committed
101
102
function node_last_viewed($nid) {
  global $user;
Dries's avatar
   
Dries committed
103
  static $history;
Dries's avatar
   
Dries committed
104

Dries's avatar
   
Dries committed
105
106
107
108
  if (!isset($history[$nid])) {
    $history[$nid] = db_fetch_object(db_query("SELECT timestamp FROM {history} WHERE uid = '$user->uid' AND nid = %d", $nid));
  }

109
  return (isset($history[$nid]->timestamp) ? $history[$nid]->timestamp : 0);
Dries's avatar
   
Dries committed
110
111
112
}

/**
113
 * Decide on the type of marker to be displayed for a given node.
Dries's avatar
   
Dries committed
114
 *
Dries's avatar
   
Dries committed
115
116
117
118
 * @param $nid
 *   Node ID whose history supplies the "last viewed" timestamp.
 * @param $timestamp
 *   Time which is compared against node's "last viewed" timestamp.
119
120
 * @return
 *   One of the MARK constants.
Dries's avatar
   
Dries committed
121
 */
122
function node_mark($nid, $timestamp) {
Dries's avatar
   
Dries committed
123
124
125
  global $user;
  static $cache;

126
127
128
  if (!$user->uid) {
    return MARK_READ;
  }
Dries's avatar
Dries committed
129
  if (!isset($cache[$nid])) {
130
    $cache[$nid] = node_last_viewed($nid);
Dries's avatar
   
Dries committed
131
  }
132
133
134
135
136
137
138
  if ($cache[$nid] == 0 && $timestamp > NODE_NEW_LIMIT) {
    return MARK_NEW;
  }
  elseif ($timestamp > $cache[$nid] && $timestamp > NODE_NEW_LIMIT) {
    return MARK_UPDATED;
  }
  return MARK_READ;
Dries's avatar
   
Dries committed
139
140
}

Dries's avatar
   
Dries committed
141
/**
142
 * Automatically generate a teaser for a node body in a given format.
Dries's avatar
   
Dries committed
143
 */
144
function node_teaser($body, $format = NULL) {
Dries's avatar
   
Dries committed
145

Dries's avatar
   
Dries committed
146
  $size = variable_get('teaser_length', 600);
Dries's avatar
   
Dries committed
147

148
  // Find where the delimiter is in the body
Steven Wittens's avatar
Steven Wittens committed
149
  $delimiter = strpos($body, '<!--break-->');
Dries's avatar
   
Dries committed
150

151
  // If the size is zero, and there is no delimiter, the entire body is the teaser.
152
  if ($size == 0 && $delimiter === FALSE) {
Dries's avatar
   
Dries committed
153
154
    return $body;
  }
Dries's avatar
   
Dries committed
155

156
157
158
159
160
  // If a valid delimiter has been specified, use it to chop off the teaser.
  if ($delimiter !== FALSE) {
    return substr($body, 0, $delimiter);
  }

161
162
163
164
165
  // We check for the presence of the PHP evaluator filter in the current
  // format. If the body contains PHP code, we do not split it up to prevent
  // parse errors.
  if (isset($format)) {
    $filters = filter_list_format($format);
166
    if (isset($filters['filter/1']) && strpos($body, '<?') !== FALSE) {
167
168
      return $body;
    }
169
170
  }

171
  // If we have a short body, the entire body is the teaser.
Dries's avatar
   
Dries committed
172
173
174
175
  if (strlen($body) < $size) {
    return $body;
  }

176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
  // The teaser may not be longer than maximum length specified. Initial slice.
  $teaser = truncate_utf8($body, $size);
  $position = 0;
  // Cache the reverse of the teaser.
  $reversed = strrev($teaser);

  // In some cases, no delimiter has been specified. In this case, we try to
  // split at paragraph boundaries.
  $breakpoints = array('</p>' => 0, '<br />' => 6, '<br>' => 4, "\n" => 1);
  // We use strpos on the reversed needle and haystack for speed.
  foreach ($breakpoints as $point => $offset) {
    $length = strpos($reversed, strrev($point));
    if ($length !== FALSE) {
      $position = - $length - $offset;
      return ($position == 0) ? $teaser : substr($teaser, 0, $position);
191
    }
192
  }
Dries's avatar
Dries committed
193

194
195
196
197
198
199
200
201
202
203
204
205
  // When even the first paragraph is too long, we try to split at the end of
  // the last full sentence.
  $breakpoints = array('. ' => 1, '! ' => 1, '? ' => 1, '。' => 0, '؟ ' => 1);
  $min_length = strlen($reversed);
  foreach ($breakpoints as $point => $offset) {
    $length = strpos($reversed, strrev($point));
    if ($length !== FALSE) {
      $min_length = min($length, $min_length);
      $position = 0 - $length - $offset;
    }
  }
  return ($position == 0) ? $teaser : substr($teaser, 0, $position);
Dries's avatar
   
Dries committed
206
207
}

208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
/**
 * Builds a list of available node types, and returns all of part of this list
 * in the specified format.
 *
 * @param $op
 *   The format in which to return the list. When this is set to 'type',
 *   'module', or 'name', only the specified node type is returned. When set to
 *   'types' or 'names', all node types are returned.
 * @param $node
 *   A node object, array, or string that indicates the node type to return.
 *   Leave at default value (NULL) to return a list of all node types.
 * @param $reset
 *   Whether or not to reset this function's internal cache (defaults to
 *   FALSE).
 *
 * @return
 *   Either an array of all available node types, or a single node type, in a
 *   variable format.
 */
function node_get_types($op = 'types', $node = NULL, $reset = FALSE) {
  static $_node_types, $_node_names;
229

230
231
  if ($reset || !isset($_node_types)) {
    list($_node_types, $_node_names) = _node_types_build();
232
  }
233

234
235
236
237
238
239
240
241
242
243
  if ($node) {
    if (is_array($node)) {
      $type = $node['type'];
    }
    elseif (is_object($node)) {
      $type = $node->type;
    }
    elseif (is_string($node)) {
      $type = $node;
    }
244
    if (!isset($_node_types[$type])) {
245
246
247
248
      return FALSE;
    }
  }
  switch ($op) {
249
250
251
252
253
254
255
256
    case 'types':
      return $_node_types;
    case 'type':
      return $_node_types[$type];
    case 'module':
      return $_node_types[$type]->module;
    case 'names':
      return $_node_names;
257
    case 'name':
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
      return $_node_names[$type];
  }
}

/**
 * Resets the database cache of node types, and saves all new or non-modified
 * module-defined node types to the database.
 */
function node_types_rebuild() {
  _node_types_build();

  $node_types = node_get_types('types', NULL, TRUE);

  foreach ($node_types as $type => $info) {
    if (!empty($info->is_new)) {
      node_type_save($info);
    }
275
  }
276
277

  _node_types_build();
278
279
}

280
/**
281
282
283
284
 * Saves a node type to the database.
 *
 * @param $info
 *   The node type to save, as an object.
Dries's avatar
   
Dries committed
285
286
 *
 * @return
287
 *   Status flag indicating outcome of the operation.
Dries's avatar
   
Dries committed
288
 */
289
290
291
292
293
294
295
function node_type_save($info) {
  $is_existing = FALSE;
  $existing_type = !empty($info->old_type) ? $info->old_type : $info->type;
  $is_existing = db_num_rows(db_query("SELECT * FROM {node_type} WHERE type = '%s'", $existing_type));

  if ($is_existing) {
    db_query("UPDATE {node_type} SET type = '%s', name = '%s', module = '%s', has_title = %d, title_label = '%s', has_body = %d, body_label = '%s', description = '%s', help = '%s', min_word_count = %d, custom = %d, modified = %d, locked = %d WHERE type = '%s'", $info->type, $info->name, $info->module, $info->has_title, $info->title_label, $info->has_body, $info->body_label, $info->description, $info->help, $info->min_word_count, $info->custom, $info->modified, $info->locked, $existing_type);
296
297

    module_invoke_all('node_type', 'update', $info);
298
299
300
301
    return SAVED_UPDATED;
  }
  else {
    db_query("INSERT INTO {node_type} (type, name, module, has_title, title_label, has_body, body_label, description, help, min_word_count, custom, modified, locked, orig_type) VALUES ('%s', '%s', '%s', %d, '%s', %d, '%s', '%s', '%s', %d, %d, %d, %d, '%s')", $info->type, $info->name, $info->module, $info->has_title, $info->title_label, $info->has_body, $info->body_label, $info->description, $info->help, $info->min_word_count, $info->custom, $info->modified, $info->locked, $info->orig_type);
302
303

    module_invoke_all('node_type', 'insert', $info);
304
305
    return SAVED_NEW;
  }
306
}
307

308
309
310
311
312
313
314
315
316
317
318
319
320
/**
 * Deletes a node type from the database.
 *
 * @param $type
 *   The machine-readable name of the node type to be deleted.
 */
function node_type_delete($type) {
  db_query("DELETE FROM {node_type} WHERE type = '%s'", $type);

  $info = node_get_types('type', $type);
  module_invoke_all('node_type', 'delete', $info);
}

321
/**
322
323
 * Updates all nodes of one type to be of another type.
 *
324
 * @param $old_type
325
326
327
 *   The current node type of the nodes.
 * @param $type
 *   The new node type of the nodes.
328
329
 *
 * @return
330
 *   The number of nodes whose node type field was modified.
331
 */
332
333
334
function node_type_update_nodes($old_type, $type) {
  db_query("UPDATE {node} SET type = '%s' WHERE type = '%s'", $type, $old_type);
  return db_affected_rows();
Dries's avatar
   
Dries committed
335
}
Dries's avatar
   
Dries committed
336

337
/**
338
339
 * Builds the list of available node types, by querying hook_node_info() in all
 * modules, and by looking for node types in the database.
Dries's avatar
   
Dries committed
340
341
 *
 */
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
function _node_types_build() {
  $_node_types = array();
  $_node_names = array();

  $info_array = module_invoke_all('node_info');
  foreach ($info_array as $type => $info) {
    $info['type'] = $type;
    $_node_types[$type] = (object) _node_type_set_defaults($info);
    $_node_names[$type] = $info['name'];
  }

  $type_result = db_query(db_rewrite_sql('SELECT nt.type, nt.* FROM {node_type} nt ORDER BY nt.type ASC', 'nt', 'type'));
  while ($type_object = db_fetch_object($type_result)) {
    if (!isset($_node_types[$type_object->type]) || $type_object->modified) {
      $_node_types[$type_object->type] = $type_object;
      $_node_names[$type_object->type] = $type_object->name;

      if ($type_object->type != $type_object->orig_type) {
        unset($_node_types[$type_object->orig_type]);
        unset($_node_names[$type_object->orig_type]);
      }
    }
  }

  asort($_node_names);

  return array($_node_types, $_node_names);
}

/**
 * Set default values for a node type defined through hook_node_info().
 */
function _node_type_set_defaults($info) {
  if (!isset($info['has_title'])) {
    $info['has_title'] = TRUE;
  }
  if ($info['has_title'] && !isset($info['title_label'])) {
    $info['title_label'] = t('Title');
  }

  if (!isset($info['has_body'])) {
    $info['has_body'] = TRUE;
  }
  if ($info['has_body'] && !isset($info['body_label'])) {
    $info['body_label'] = t('Body');
  }

  if (!isset($info['custom'])) {
    $info['custom'] = FALSE;
  }
  if (!isset($info['modified'])) {
    $info['modified'] = FALSE;
  }
  if (!isset($info['locked'])) {
    $info['locked'] = TRUE;
  }

  $info['orig_type'] = $info['type'];
  $info['is_new'] = TRUE;

  return $info;
Dries's avatar
   
Dries committed
403
}
Dries's avatar
   
Dries committed
404

405
/**
Dries's avatar
   
Dries committed
406
407
408
409
410
411
412
413
414
415
 * Determine whether a node hook exists.
 *
 * @param &$node
 *   Either a node object, node array, or a string containing the node type.
 * @param $hook
 *   A string containing the name of the hook.
 * @return
 *   TRUE iff the $hook exists in the node type of $node.
 */
function node_hook(&$node, $hook) {
416
417
418
419
420
  $module = node_get_types('module', $node);
  if ($module == 'node') {
    $module = 'node_content'; // Avoid function name collisions.
  }
  return module_hook($module, $hook);
Dries's avatar
   
Dries committed
421
422
}

423
/**
Dries's avatar
   
Dries committed
424
425
426
427
428
429
430
431
432
 * Invoke a node hook.
 *
 * @param &$node
 *   Either a node object, node array, or a string containing the node type.
 * @param $hook
 *   A string containing the name of the hook.
 * @param $a2, $a3, $a4
 *   Arguments to pass on to the hook, after the $node argument.
 * @return
Dries's avatar
   
Dries committed
433
 *   The returned value of the invoked hook.
Dries's avatar
   
Dries committed
434
435
 */
function node_invoke(&$node, $hook, $a2 = NULL, $a3 = NULL, $a4 = NULL) {
436
  if (node_hook($node, $hook)) {
437
438
439
440
441
    $module = node_get_types('module', $node);
    if ($module == 'node') {
      $module = 'node_content'; // Avoid function name collisions.
    }
    $function = $module .'_'. $hook;
Dries's avatar
   
Dries committed
442
    return ($function($node, $a2, $a3, $a4));
Dries's avatar
   
Dries committed
443
444
445
  }
}

Dries's avatar
   
Dries committed
446
447
448
449
/**
 * Invoke a hook_nodeapi() operation in all modules.
 *
 * @param &$node
Dries's avatar
   
Dries committed
450
 *   A node object.
Dries's avatar
   
Dries committed
451
452
453
454
455
456
457
 * @param $op
 *   A string containing the name of the nodeapi operation.
 * @param $a3, $a4
 *   Arguments to pass on to the hook, after the $node and $op arguments.
 * @return
 *   The returned value of the invoked hooks.
 */
Dries's avatar
   
Dries committed
458
function node_invoke_nodeapi(&$node, $op, $a3 = NULL, $a4 = NULL) {
Dries's avatar
   
Dries committed
459
  $return = array();
460
  foreach (module_implements('nodeapi') as $name) {
Dries's avatar
   
Dries committed
461
    $function = $name .'_nodeapi';
462
    $result = $function($node, $op, $a3, $a4);
463
    if (isset($result) && is_array($result)) {
464
465
466
467
      $return = array_merge($return, $result);
    }
    else if (isset($result)) {
      $return[] = $result;
Dries's avatar
   
Dries committed
468
469
470
471
472
    }
  }
  return $return;
}

Dries's avatar
   
Dries committed
473
474
475
/**
 * Load a node object from the database.
 *
476
477
 * @param $param
 *   Either the nid of the node or an array of conditions to match against in the database query
Dries's avatar
   
Dries committed
478
479
 * @param $revision
 *   Which numbered revision to load. Defaults to the current version.
Dries's avatar
   
Dries committed
480
481
 * @param $reset
 *   Whether to reset the internal node_load cache.
Dries's avatar
   
Dries committed
482
483
484
485
 *
 * @return
 *   A fully-populated node object.
 */
486
function node_load($param = array(), $revision = NULL, $reset = NULL) {
Dries's avatar
   
Dries committed
487
488
489
490
491
492
  static $nodes = array();

  if ($reset) {
    $nodes = array();
  }

493
  $cachable = ($revision == NULL);
494
  $arguments = array();
495
  if (is_numeric($param)) {
496
    if ($cachable && isset($nodes[$param])) {
497
      return is_object($nodes[$param]) ? drupal_clone($nodes[$param]) : $nodes[$param];
498
    }
499
500
    $cond = 'n.nid = %d';
    $arguments[] = $param;
Dries's avatar
   
Dries committed
501
  }
502
503
  else {
    // Turn the conditions into a query.
504
    foreach ($param as $key => $value) {
505
506
      $cond[] = 'n.'. db_escape_string($key) ." = '%s'";
      $arguments[] = $value;
507
508
    }
    $cond = implode(' AND ', $cond);
Dries's avatar
   
Dries committed
509
510
  }

Dries's avatar
   
Dries committed
511
  // Retrieve the node.
512
  // No db_rewrite_sql is applied so as to get complete indexing for search.
513
  if ($revision) {
514
    array_unshift($arguments, $revision);
515
    $node = db_fetch_object(db_query('SELECT n.nid, r.vid, n.type, n.status, n.created, n.changed, n.comment, n.promote, n.sticky, r.timestamp AS revision_timestamp, r.title, r.body, r.teaser, r.log, r.format, u.uid, u.name, u.picture, u.data FROM {node} n INNER JOIN {users} u ON u.uid = n.uid INNER JOIN {node_revisions} r ON r.nid = n.nid AND r.vid = %d WHERE '. $cond, $arguments));
Dries's avatar
   
Dries committed
516
  }
517
  else {
518
    $node = db_fetch_object(db_query('SELECT n.nid, n.vid, n.type, n.status, n.created, n.changed, n.comment, n.promote, n.sticky, r.timestamp AS revision_timestamp, r.title, r.body, r.teaser, r.log, r.format, u.uid, u.name, u.picture, u.data FROM {node} n INNER JOIN {users} u ON u.uid = n.uid INNER JOIN {node_revisions} r ON r.vid = n.vid WHERE '. $cond, $arguments));
Dries's avatar
   
Dries committed
519
520
  }

521
522
523
524
525
526
527
  if ($node->nid) {
    // Call the node specific callback (if any) and piggy-back the
    // results to the node or overwrite some values.
    if ($extra = node_invoke($node, 'load')) {
      foreach ($extra as $key => $value) {
        $node->$key = $value;
      }
Dries's avatar
   
Dries committed
528
529
    }

530
531
532
533
534
    if ($extra = node_invoke_nodeapi($node, 'load')) {
      foreach ($extra as $key => $value) {
        $node->$key = $value;
      }
    }
535
536
537
    if ($cachable) {
      $nodes[$node->nid] = is_object($node) ? drupal_clone($node) : $node;
    }
Dries's avatar
   
Dries committed
538
539
  }

Dries's avatar
   
Dries committed
540
541
542
  return $node;
}

Dries's avatar
   
Dries committed
543
544
545
/**
 * Save a node object into the database.
 */
546
function node_save(&$node) {
547
  global $user;
Dries's avatar
   
Dries committed
548

549
  $node->is_new = FALSE;
Dries's avatar
   
Dries committed
550

Dries's avatar
   
Dries committed
551
  // Apply filters to some default node fields:
Dries's avatar
   
Dries committed
552
  if (empty($node->nid)) {
Dries's avatar
   
Dries committed
553
    // Insert a new node.
554
    $node->is_new = TRUE;
Dries's avatar
   
Dries committed
555

Dries's avatar
   
Dries committed
556
    $node->nid = db_next_id('{node}_nid');
Steven Wittens's avatar
Steven Wittens committed
557
    $node->vid = db_next_id('{node_revisions}_vid');
558
559
560
561
562
563
  }
  else {
    // We need to ensure that all node fields are filled.
    $node_current = node_load($node->nid);
    foreach ($node as $field => $data) {
      $node_current->$field = $data;
Dries's avatar
   
Dries committed
564
    }
565
    $node = $node_current;
Dries's avatar
   
Dries committed
566

567
    if (!empty($node->revision)) {
568
569
570
      $node->old_vid = $node->vid;
      $node->vid = db_next_id('{node_revisions}_vid');
    }
Dries's avatar
   
Dries committed
571
572
  }

573
574
575
576
  // Set some required fields:
  if (empty($node->created)) {
    $node->created = time();
  }
577
  // The changed timestamp is always updated for bookkeeping purposes (revisions, searching, ...)
578
  $node->changed = time();
Dries's avatar
   
Dries committed
579

580
581
582
  // Split off revisions data to another structure
  $revisions_table_values = array('nid' => $node->nid, 'vid' => $node->vid,
                     'title' => $node->title, 'body' => $node->body,
583
                     'teaser' => $node->teaser, 'timestamp' => $node->changed,
584
585
586
                     'uid' => $user->uid, 'format' => $node->format);
  $revisions_table_types = array('nid' => '%d', 'vid' => '%d',
                     'title' => "'%s'", 'body' => "'%s'",
587
                     'teaser' => "'%s'", 'timestamp' => '%d',
588
                     'uid' => '%d', 'format' => '%d');
589
  if (!empty($node->log) || $node->is_new) {
590
591
592
    // Only store the log message if there's something to store; this prevents
    // existing log messages from being unintentionally overwritten by a blank
    // message. A new revision will have an empty log message (or $node->log).
593
594
595
    $revisions_table_values['log'] = $node->log;
    $revisions_table_types['log'] = "'%s'";
  }
596
597
598
599
  $node_table_values = array('nid' => $node->nid, 'vid' => $node->vid,
                    'title' => $node->title, 'type' => $node->type, 'uid' => $node->uid,
                    'status' => $node->status, 'created' => $node->created,
                    'changed' => $node->changed, 'comment' => $node->comment,
600
                    'promote' => $node->promote, 'sticky' => $node->sticky);
601
602
603
604
  $node_table_types = array('nid' => '%d', 'vid' => '%d',
                    'title' => "'%s'", 'type' => "'%s'", 'uid' => '%d',
                    'status' => '%d', 'created' => '%d',
                    'changed' => '%d', 'comment' => '%d',
605
                    'promote' => '%d', 'sticky' => '%d');
606
607
608
609
610
611
612
613
614
615
616
617
618
619

  //Generate the node table query and the
  //the node_revisions table query
  if ($node->is_new) {
    $node_query = 'INSERT INTO {node} ('. implode(', ', array_keys($node_table_types)) .') VALUES ('. implode(', ', $node_table_types) .')';
    $revisions_query = 'INSERT INTO {node_revisions} ('. implode(', ', array_keys($revisions_table_types)) .') VALUES ('. implode(', ', $revisions_table_types) .')';
  }
  else {
    $arr = array();
    foreach ($node_table_types as $key => $value) {
      $arr[] = $key .' = '. $value;
    }
    $node_table_values[] = $node->nid;
    $node_query = 'UPDATE {node} SET '. implode(', ', $arr) .' WHERE nid = %d';
620
    if (!empty($node->revision)) {
621
622
623
624
625
626
      $revisions_query = 'INSERT INTO {node_revisions} ('. implode(', ', array_keys($revisions_table_types)) .') VALUES ('. implode(', ', $revisions_table_types) .')';
    }
    else {
      $arr = array();
      foreach ($revisions_table_types as $key => $value) {
        $arr[] = $key .' = '. $value;
Dries's avatar
   
Dries committed
627
      }
628
629
      $revisions_table_values[] = $node->vid;
      $revisions_query = 'UPDATE {node_revisions} SET '. implode(', ', $arr) .' WHERE vid = %d';
Dries's avatar
   
Dries committed
630
    }
631
  }
Dries's avatar
   
Dries committed
632

633
634
635
  // Insert the node into the database:
  db_query($node_query, $node_table_values);
  db_query($revisions_query, $revisions_table_values);
Dries's avatar
   
Dries committed
636

637
638
639
640
641
642
643
644
645
646
  // Call the node specific callback (if any):
  if ($node->is_new) {
    node_invoke($node, 'insert');
    node_invoke_nodeapi($node, 'insert');
  }
  else {
    node_invoke($node, 'update');
    node_invoke_nodeapi($node, 'update');
  }

647
648
649
  // Update the node access table for this node.
  node_access_acquire_grants($node);

Dries's avatar
   
Dries committed
650
  // Clear the cache so an anonymous poster can see the node being added or updated.
Dries's avatar
   
Dries committed
651
  cache_clear_all();
Dries's avatar
   
Dries committed
652
653
}

Dries's avatar
   
Dries committed
654
655
656
657
658
659
/**
 * Generate a display of the given node.
 *
 * @param $node
 *   A node array or node object.
 * @param $teaser
660
 *   Whether to display the teaser only, as on the main page.
Dries's avatar
   
Dries committed
661
662
 * @param $page
 *   Whether the node is being displayed by itself as a page.
663
664
 * @param $links
 *   Whether or not to display node links. Links are omitted for node previews.
Dries's avatar
   
Dries committed
665
666
667
668
 *
 * @return
 *   An HTML representation of the themed node.
 */
669
function node_view($node, $teaser = FALSE, $page = FALSE, $links = TRUE) {
670
  $node = (object)$node;
Dries's avatar
   
Dries committed
671

672
673
  $node = node_build_content($node, $teaser, $page);

674
675
  if ($links) {
    $node->links = module_invoke_all('link', 'node', $node, !$page);
676
677
678
679
680

    foreach (module_implements('link_alter') AS $module) {
      $function = $module .'_link_alter';
      $function($node, $node->links);
    }
681
  }
682
683
684
685

  // Set the proper node part, then unset unused $node part so that a bad
  // theme can not open a security hole.
  $content = drupal_render($node->content);
686
  if ($teaser) {
687
    $node->teaser = $content;
688
689
690
    unset($node->body);
  }
  else {
691
    $node->body = $content;
692
693
    unset($node->teaser);
  }
Dries's avatar
   
Dries committed
694

695
696
697
  // Allow modules to modify the fully-built node.
  node_invoke_nodeapi($node, 'alter', $teaser, $page);

Dries's avatar
   
Dries committed
698
  return theme('node', $node, $teaser, $page);
Dries's avatar
   
Dries committed
699
}
Dries's avatar
   
Dries committed
700

Dries's avatar
   
Dries committed
701
/**
702
 * Apply filters and build the node's standard elements.
Dries's avatar
   
Dries committed
703
 */
Dries's avatar
   
Dries committed
704
function node_prepare($node, $teaser = FALSE) {
705
706
707
  // First we'll overwrite the existing node teaser and body with
  // the filtered copies! Then, we'll stick those into the content
  // array and set the read more flag if appropriate.
708
  $node->readmore = (strlen($node->teaser) < strlen($node->body));
709
710
711
712
713
714
715
716

  if ($teaser == FALSE) {
    $node->body = check_markup($node->body, $node->format, FALSE);
  }
  else {
    $node->teaser = check_markup($node->teaser, $node->format, FALSE);
  }

717
  $node->content['body'] = array(
718
    '#value' => $teaser ? $node->teaser : $node->body,
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
    '#weight' => 0,
  );

  return $node;
}

/**
 * Builds a structured array representing the node's content.
 *
 * @param $node
 *   A node object.
 * @param $teaser
 *   Whether to display the teaser only, as on the main page.
 * @param $page
 *   Whether the node is being displayed by itself as a page.
 *
 * @return
 *   An structured array containing the individual elements
 *   of the node's body.
 */
function node_build_content($node, $teaser = FALSE, $page = FALSE) {
  // Remove the delimiter (if any) that separates the teaser from the body.
Steven Wittens's avatar
Steven Wittens committed
741
  $node->body = str_replace('<!--break-->', '', $node->body);
742
743
744
745
746

  // The 'view' hook can be implemented to overwrite the default function
  // to display nodes.
  if (node_hook($node, 'view')) {
    $node = node_invoke($node, 'view', $teaser, $page);
Dries's avatar
   
Dries committed
747
748
  }
  else {
749
    $node = node_prepare($node, $teaser);
Dries's avatar
   
Dries committed
750
  }
751
752
753
754

  // Allow modules to make their own additions to the node.
  node_invoke_nodeapi($node, 'view', $teaser, $page);

Dries's avatar
   
Dries committed
755
  return $node;
Dries's avatar
   
Dries committed
756
757
}

Dries's avatar
   
Dries committed
758
759
760
/**
 * Generate a page displaying a single node, along with its comments.
 */
Dries's avatar
   
Dries committed
761
function node_show($node, $cid) {
Dries's avatar
   
Dries committed
762
  $output = node_view($node, FALSE, TRUE);
Dries's avatar
   
Dries committed
763

Dries's avatar
   
Dries committed
764
765
  if (function_exists('comment_render') && $node->comment) {
    $output .= comment_render($node, $cid);
Dries's avatar
   
Dries committed
766
767
  }

Dries's avatar
   
Dries committed
768
769
  // Update the history table, stating that this user viewed this node.
  node_tag_new($node->nid);
Dries's avatar
   
Dries committed
770

Dries's avatar
   
Dries committed
771
  return $output;
Dries's avatar
   
Dries committed
772
773
}

Dries's avatar
   
Dries committed
774
775
776
/**
 * Implementation of hook_perm().
 */
Dries's avatar
   
Dries committed
777
function node_perm() {
778
779
780
781
  $perms = array('administer content types', 'administer nodes', 'access content', 'view revisions', 'revert revisions');

  foreach (node_get_types() as $type) {
    if ($type->module == 'node') {
782
      $name = check_plain($type->type);
783
784
785
786
787
788
789
      $perms[] = 'create '. $name .' content';
      $perms[] = 'edit own '. $name .' content';
      $perms[] = 'edit '. $name .' content';
    }
  }

  return $perms;
Dries's avatar
   
Dries committed
790
791
}

Dries's avatar
   
Dries committed
792
793
794
/**
 * Implementation of hook_search().
 */
795
function node_search($op = 'search', $keys = NULL) {
796
797
  switch ($op) {
    case 'name':
798
      return t('Content');
799

Dries's avatar
Dries committed
800
801
    case 'reset':
      variable_del('node_cron_last');
802
      variable_del('node_cron_last_nid');
Dries's avatar
Dries committed
803
      return;
804

805
806
    case 'status':
      $last = variable_get('node_cron_last', 0);
807
      $last_nid = variable_get('node_cron_last_nid', 0);
808
809
      $total = db_result(db_query('SELECT COUNT(*) FROM {node} WHERE status = 1'));
      $remaining = db_result(db_query('SELECT COUNT(*) FROM {node} n LEFT JOIN {node_comment_statistics} c ON n.nid = c.nid WHERE n.status = 1 AND ((GREATEST(n.created, n.changed, c.last_comment_timestamp) = %d AND n.nid > %d ) OR (n.created > %d OR n.changed > %d OR c.last_comment_timestamp > %d))', $last, $last_nid, $last, $last, $last));
810
      return array('remaining' => $remaining, 'total' => $total);
811
812
813
814
815
816

    case 'admin':
      $form = array();
      // Output form for defining rank factor weights.
      $form['content_ranking'] = array('#type' => 'fieldset', '#title' => t('Content ranking'));
      $form['content_ranking']['#theme'] = 'node_search_admin';
817
      $form['content_ranking']['info'] = array('#value' => '<em>'. t('The following numbers control which properties the content search should favor when ordering the results. Higher numbers mean more influence, zero means the property is ignored. Changing these numbers does not require the search index to be rebuilt. Changes take effect immediately.') .'</em>');
818
819
820

      $ranking = array('node_rank_relevance' => t('Keyword relevance'),
                       'node_rank_recent' => t('Recently posted'));
821
      if (module_exists('comment')) {
822
823
        $ranking['node_rank_comments'] = t('Number of comments');
      }
824
      if (module_exists('statistics') && variable_get('statistics_count_content_views', 0)) {
825
826
827
828
829
830
831
832
833
834
        $ranking['node_rank_views'] = t('Number of views');
      }

      // Note: reversed to reflect that higher number = higher ranking.
      $options = drupal_map_assoc(range(0, 10));
      foreach ($ranking as $var => $title) {
        $form['content_ranking']['factors'][$var] = array('#title' => $title, '#type' => 'select', '#options' => $options, '#default_value' => variable_get($var, 5));
      }
      return $form;

835
    case 'search':
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
      // Build matching conditions
      list($join1, $where1) = _db_rewrite_sql();
      $arguments1 = array();
      $conditions1 = 'n.status = 1';

      if ($type = search_query_extract($keys, 'type')) {
        $types = array();
        foreach (explode(',', $type) as $t) {
          $types[] = "n.type = '%s'";
          $arguments1[] = $t;
        }
        $conditions1 .= ' AND ('. implode(' OR ', $types) .')';
        $keys = search_query_insert($keys, 'type');
      }

      if ($category = search_query_extract($keys, 'category')) {
        $categories = array();
        foreach (explode(',', $category) as $c) {
          $categories[] = "tn.tid = %d";
          $arguments1[] = $c;
        }
        $conditions1 .= ' AND ('. implode(' OR ', $categories) .')';
        $join1 .= ' INNER JOIN {term_node} tn ON n.nid = tn.nid';
        $keys = search_query_insert($keys, 'category');
      }

      // Build ranking expression (we try to map each parameter to a
      // uniform distribution in the range 0..1).
      $ranking = array();
      $arguments2 = array();
      $join2 = '';
      // Used to avoid joining on node_comment_statistics twice
868
      $stats_join = FALSE;
869
      $total = 0;
870
871
872
873
      if ($weight = (int)variable_get('node_rank_relevance', 5)) {
        // Average relevance values hover around 0.15
        $ranking[] = '%d * i.relevance';
        $arguments2[] = $weight;
874
        $total += $weight;
875
876
877
878
879
880
881
      }
      if ($weight = (int)variable_get('node_rank_recent', 5)) {
        // Exponential decay with half-life of 6 months, starting at last indexed node
        $ranking[] = '%d * POW(2, (GREATEST(n.created, n.changed, c.last_comment_timestamp) - %d) * 6.43e-8)';
        $arguments2[] = $weight;
        $arguments2[] = (int)variable_get('node_cron_last', 0);
        $join2 .= ' INNER JOIN {node} n ON n.nid = i.sid LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
882
        $stats_join = TRUE;
883
        $total += $weight;
884
      }
885
      if (module_exists('comment') && $weight = (int)variable_get('node_rank_comments', 5)) {
886
887
888
889
890
891
892
893
        // Inverse law that maps the highest reply count on the site to 1 and 0 to 0.
        $scale = variable_get('node_cron_comments_scale', 0.0);
        $ranking[] = '%d * (2.0 - 2.0 / (1.0 + c.comment_count * %f))';
        $arguments2[] = $weight;
        $arguments2[] = $scale;
        if (!$stats_join) {
          $join2 .= ' LEFT JOIN {node_comment_statistics} c ON c.nid = i.sid';
        }
894
        $total += $weight;
895
      }
896
      if (module_exists('statistics') && variable_get('statistics_count_content_views', 0) &&
897
898
899
900
901
902
          $weight = (int)variable_get('node_rank_views', 5)) {
        // Inverse law that maps the highest view count on the site to 1 and 0 to 0.
        $scale = variable_get('node_cron_views_scale', 0.0);
        $ranking[] = '%d * (2.0 - 2.0 / (1.0 + nc.totalcount * %f))';
        $arguments2[] = $weight;
        $arguments2[] = $scale;
903
        $join2 .= ' LEFT JOIN {node_counter} nc ON nc.nid = i.sid';
904
        $total += $weight;
905
      }
906
      $select2 = (count($ranking) ? implode(' + ', $ranking) : 'i.relevance') .' AS score';
907
908
909
910
911

      // Do search
      $find = do_search($keys, 'node', 'INNER JOIN {node} n ON n.nid = i.sid '. $join1 .' INNER JOIN {users} u ON n.uid = u.uid', $conditions1 . (empty($where1) ? '' : ' AND '. $where1), $arguments1, $select2, $join2, $arguments2);

      // Load results
912
913
      $results = array();
      foreach ($find as $item) {
914
        // Build the node body.
915
        $node = node_load($item->sid);
916
917
        $node = node_build_content($node, FALSE, FALSE);
        $node->body = drupal_render($node->content);
918

919
920
        // Fetch comments for snippet
        $node->body .= module_invoke('comment', 'nodeapi', $node, 'update index');
921
922
        // Fetch terms for snippet
        $node->body .= module_invoke('taxonomy', 'nodeapi', $node, 'update index');
923

Dries's avatar
Dries committed
924
        $extra = node_invoke_nodeapi($node, 'search result');
925
        $results[] = array('link' => url('node/'. $item->sid, array('absolute' => TRUE)),
926
                           'type' => node_get_types('name', $node),
927
                           'title' => $node->title,
928
                           'user' => theme('username', $node),
929
                           'date' => $node->changed,
930
                           'node' => $node,
Dries's avatar
Dries committed
931
                           'extra' => $extra,
932
                           'score' => $item->score / $total,
933
                           'snippet' => search_excerpt($keys, $node->body));
934
935
936
      }
      return $results;
  }
Dries's avatar
   
Dries committed
937
938
}

939
940
941
942
943
944
945
946
947
948
/**
 * Implementation of hook_user().
 */
function node_user($op, &$edit, &$user) {
  if ($op == 'delete') {
    db_query('UPDATE {node} SET uid = 0 WHERE uid = %d', $user->uid);
    db_query('UPDATE {node_revisions} SET uid = 0 WHERE uid = %d', $user->uid);
  }
}

949
function theme_node_search_admin($form) {
950
  $output = drupal_render($form['info']);
951
952
953
954
955
956

  $header = array(t('Factor'), t('Weight'));
  foreach (element_children($form['factors']) as $key) {
    $row = array();
    $row[] = $form['factors'][$key]['#title'];
    unset($form['factors'][$key]['#title']);
957
    $row[] = drupal_render($form['factors'][$key]);
958
959
960
961
    $rows[] = $row;
  }
  $output .= theme('table', $header, $rows);

962
  $output .= drupal_render($form);
963
964
965
  return $output;
}

Dries's avatar
   
Dries committed
966
/**
Dries's avatar
   
Dries committed
967
 * Menu callback; presents general node configuration options.
Dries's avatar
   
Dries committed
968
969
 */
function node_configure() {
970
  // Only show rebuild button if there is 0 or more than 2 rows in node_access table, or if there are modules that implement node_grant.
971
  if (db_result(db_query('SELECT COUNT(*) FROM {node_access}')) != 1 || count(module_implements('node_grants')) > 0) {
972
    $status = '<p>'. t('If the site is experiencing problems with permissions to content, you may have to rebuild the permissions cache. Possible causes for permission problems are disabling modules or configuration changes to permissions. Rebuilding will remove all privileges to posts, and replace them with permissions based on the current modules and settings.') .'</p>';
973
    $status .= '<p>'. t('Rebuilding may take some time if there is a lot of content or complex permission settings. After rebuilding has completed posts will automatically use the new permissions.') .'</p>';
Dries's avatar
   
Dries committed
974

975
976
977
978
979
    $form['access'] = array('#type' => 'fieldset', '#title' => t('Node access status'));
    $form['access']['status'] = array('#value' => $status);
    $form['access']['rebuild'] = array('#type' => 'submit', '#value' => t('Rebuild permissions'));
  }

drumm's avatar
drumm committed
980
  $form['default_nodes_main'] = array(
981
982
983
    '#type' => 'select', '#title' => t('Number of posts on main page'), '#default_value' => variable_get('default_nodes_main', 10),
    '#options' =>  drupal_map_assoc(array(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 20, 25, 30)),
    '#description' => t('The default maximum number of posts to display per page on overview pages such as the main page.')
984
  );
drumm's avatar
drumm committed
985
  $form['teaser_length'] = array(
986
987
    '#type' => 'select', '#title' => t('Length of trimmed posts'), '#default_value' => variable_get('teaser_length', 600),
    '#options' => array(0 => t('Unlimited'), 200 => t('200 characters'), 400 => t('400 characters'), 600 => t('600 characters'),
988
989
      800 => t('800 characters'), 1000 => t('1000 characters'), 1200 => t('1200 characters'), 1400 => t('1400 characters'),
      1600 => t('1600 characters'), 1800 => t('1800 characters'), 2000 => t('2000 characters')),
990
    '#description' => t("The maximum number of characters used in the trimmed version of a post. Drupal will use this setting to determine at which offset long posts should be trimmed. The trimmed version of a post is typically used as a teaser when displaying the post on the main page, in XML feeds, etc. To disable teasers, set to 'Unlimited'. Note that this setting will only affect new or updated content and will not affect existing teasers.")
991
992
  );

drumm's avatar
drumm committed
993
  $form['node_preview'] = array(
994
995
    '#type' => 'radios', '#title' => t('Preview post'), '#default_value' => variable_get('node_preview', 0),
    '#options' => array(t('Optional'), t('Required')), '#description' => t('Must users preview posts before submitting?')
996
  );
Dries's avatar
   
Dries committed
997

998
  return system_settings_form($form);
Dries's avatar
   
Dries committed
999
1000
}

1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
/**
 * Form validate callback.
 */
function node_configure_validate($form_id, $form_values) {
  if ($form_values['op'] == t('Rebuild permissions')) {
    drupal_goto('admin/content/node-settings/rebuild');
  }
}

/**
 * Menu callback: confirm rebuilding of permissions.
 */
function node_configure_rebuild_confirm() {
  return confirm_form(array(), t('Are you sure you want to rebuild node permissions on the site?'),
                  'admin/content/node-settings', t('This will wipe all current node permissions and rebuild them based on current settings. Rebuilding the permissions may take a while so please be patient. This action cannot be undone.'), t('Rebuild permissions'), t('Cancel'));
}

/**
 * Handler for wipe confirmation
 */
function node_configure_rebuild_confirm_submit($form_id, &$form) {
  node_access_rebuild();
  drupal_set_message(t('The node access table has been rebuilt.'));
  return 'admin/content/node-settings';
}

Dries's avatar
   
Dries committed
1027
1028
1029
/**
 * Retrieve the comment mode for the given node ID (none, read, or read/write).
 */
Dries's avatar
   
Dries committed
1030
function node_comment_mode($nid) {
Dries's avatar
   
Dries committed
1031
1032
  static $comment_mode;
  if (!isset($comment_mode[$nid])) {
Dries's avatar
   
Dries committed
1033
    $comment_mode[$nid] = db_result(db_query('SELECT comment FROM {node} WHERE nid = %d', $nid));
Dries's avatar
   
Dries committed
1034
1035
  }
  return $comment_mode[$nid];
Dries's avatar
   
Dries committed
1036
1037
}

Dries's avatar
   
Dries committed
1038
1039
1040
/**
 * Implementation of hook_link().
 */
1041
function node_link($type, $node = NULL, $teaser = FALSE) {
Dries's avatar
   
Dries committed
1042
1043
  $links = array();

Dries's avatar
   
Dries committed
1044
  if ($type == 'node') {
1045
    if ($teaser == 1 && $node->teaser && $node->readmore) {
1046
      $links['node_read_more'] = array(
1047
        'title' => t('Read more'),
1048
1049
        'href' => "node/$node->nid",
        'attributes' => array('title' => t('Read the rest of this posting.'))
1050
      );
Dries's avatar
   
Dries committed
1051
    }
Dries's avatar
   
Dries committed
1052
1053
  }

Dries's avatar
   
Dries committed
1054
  return $links;
Dries's avatar
   
Dries committed
1055
1056
}

1057
1058
1059
1060
function _node_revision_access($node) {
  return (user_access('view revisions') || user_access('administer nodes')) && node_access('view', $node) && db_result(db_query('SELECT COUNT(vid) FROM {node_revisions} WHERE nid = %d', $node->nid)) > 1;
}

Dries's avatar
   
Dries committed
1061
1062
1063
/**
 * Implementation of hook_menu().
 */
1064
1065
1066
1067
1068
1069
1070
1071
1072
function node_menu() {
  $items['admin/content'] = array(
    'title' => t('Content management'),
    'description' => t("Manage your site's content."),
    'position' => 'left',
    'weight' => -10,
    'page callback' => 'system_admin_menu_block_page',
    'access arguments' => array('administer site configuration'),
  );
1073

1074
1075
1076
1077
1078
1079
  $items['admin/content/node'] = array(
    'title' => t('Content'),
    'description' => t("View, edit, and delete your site's content."),
    'page callback' => 'node_admin_content',
    'access arguments' => array('administer nodes'),
  );
Steven Wittens's avatar
Steven Wittens committed
1080

1081
1082
1083
1084
1085
  $items['admin/content/node/overview'] = array(
    'title' => t('List'),
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'weight' => -10,
  );
Steven Wittens's avatar
Steven Wittens committed
1086

1087
1088
1089
1090
1091
1092
  if (module_exists('search')) {
    $items['admin/content/search'] = array(
      'title' => t('Search content'),
      'description' => t('Search content by keyword.'),
      'page callback' => 'node_admin_search',
      'access arguments' => array('administer nodes'),
1093
    );
Dries's avatar
   
Dries committed
1094
  }
1095

1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108