Projet

Général

Profil

Paste
Télécharger (13,4 ko) Statistiques
| Branche: | Révision:

root / drupal7 / sites / all / modules / feeds / plugins / FeedsNodeProcessor.inc @ a192dc0b

1
<?php
2

    
3
/**
4
 * @file
5
 * Class definition of FeedsNodeProcessor.
6
 */
7

    
8
/**
9
 * Option for handling content in Drupal but not in source data (unpublish
10
 * instead of skip/delete).
11
 */
12
define('FEEDS_UNPUBLISH_NON_EXISTENT', 'unpublish');
13

    
14
/**
15
 * Creates nodes from feed items.
16
 */
17
class FeedsNodeProcessor extends FeedsProcessor {
18

    
19
  /**
20
   * Define entity type.
21
   */
22
  public function entityType() {
23
    return 'node';
24
  }
25

    
26
  /**
27
   * Implements parent::entityInfo().
28
   */
29
  protected function entityInfo() {
30
    $info = parent::entityInfo();
31
    $info['label plural'] = t('Nodes');
32
    return $info;
33
  }
34

    
35
  /**
36
   * Creates a new node in memory and returns it.
37
   */
38
  protected function newEntity(FeedsSource $source) {
39
    $node = parent::newEntity($source);
40
    $node->type = $this->bundle();
41
    $node->changed = REQUEST_TIME;
42
    $node->created = REQUEST_TIME;
43
    $node->is_new = TRUE;
44
    node_object_prepare($node);
45
    // Populate properties that are set by node_object_prepare().
46
    $node->log = 'Created by FeedsNodeProcessor';
47
    $node->uid = $this->config['author'];
48
    return $node;
49
  }
50

    
51
  /**
52
   * Loads an existing node.
53
   *
54
   * If the update existing method is not FEEDS_UPDATE_EXISTING, only the node
55
   * table will be loaded, foregoing the node_load API for better performance.
56
   *
57
   * @todo Reevaluate the use of node_object_prepare().
58
   */
59
  protected function entityLoad(FeedsSource $source, $nid) {
60
    $node = parent::entityLoad($source, $nid);
61

    
62
    if ($this->config['update_existing'] != FEEDS_UPDATE_EXISTING) {
63
      $node->uid = $this->config['author'];
64
    }
65

    
66
    node_object_prepare($node);
67

    
68
    // Workaround for issue #1247506. See #1245094 for backstory.
69
    if (!empty($node->menu)) {
70
      // If the node has a menu item(with a valid mlid) it must be flagged
71
      // 'enabled'.
72
      $node->menu['enabled'] = (int) (bool) $node->menu['mlid'];
73
    }
74

    
75
    // Populate properties that are set by node_object_prepare().
76
    if ($this->config['update_existing'] == FEEDS_UPDATE_EXISTING) {
77
      $node->log = 'Updated by FeedsNodeProcessor';
78
    }
79
    else {
80
      $node->log = 'Replaced by FeedsNodeProcessor';
81
    }
82
    return $node;
83
  }
84

    
85
  /**
86
   * Check that the user has permission to save a node.
87
   */
88
  protected function entitySaveAccess($entity) {
89

    
90
    // The check will be skipped for anonymous nodes.
91
    if ($this->config['authorize'] && !empty($entity->uid)) {
92

    
93
      $author = user_load($entity->uid);
94

    
95
      // If the uid was mapped directly, rather than by email or username, it
96
      // could be invalid.
97
      if (!$author) {
98
        $message = 'User %uid is not a valid user.';
99
        throw new FeedsAccessException(t($message, array('%uid' => $entity->uid)));
100
      }
101

    
102
      if (empty($entity->nid) || !empty($entity->is_new)) {
103
        $op = 'create';
104
        $access = node_access($op, $entity->type, $author);
105
      }
106
      else {
107
        $op = 'update';
108
        $access = node_access($op, $entity, $author);
109
      }
110

    
111
      if (!$access) {
112
        $message = t('The user %name is not authorized to %op content of type %content_type. To import this item, either the user "@name" (author of the item) must be given the permission to @op content of type @content_type, or the option "Authorize" on the Node processor settings must be turned off.', array(
113
          '%name' => $author->name,
114
          '%op' => $op,
115
          '%content_type' => $entity->type,
116
          '@name' => $author->name,
117
          '@op' => $op,
118
          '@content_type' => $entity->type,
119
        ));
120
        throw new FeedsAccessException($message);
121
      }
122
    }
123
  }
124

    
125
  /**
126
   * Validates a node.
127
   */
128
  protected function entityValidate($entity) {
129
    parent::entityValidate($entity);
130

    
131
    if (!isset($entity->uid) || !is_numeric($entity->uid)) {
132
       $entity->uid = $this->config['author'];
133
    }
134
  }
135

    
136
  /**
137
   * Save a node.
138
   */
139
  public function entitySave($entity) {
140
    node_save($entity);
141
  }
142

    
143
  /**
144
   * Delete a series of nodes.
145
   */
146
  protected function entityDeleteMultiple($nids) {
147
    node_delete_multiple($nids);
148
  }
149

    
150
  /**
151
   * Overrides parent::expiryQuery().
152
   */
153
  protected function expiryQuery(FeedsSource $source, $time) {
154
    $select = parent::expiryQuery($source, $time);
155
    $select->condition('e.created', REQUEST_TIME - $time, '<');
156
    return $select;
157
  }
158

    
159
  /**
160
   * Return expiry time.
161
   */
162
  public function expiryTime() {
163
    return $this->config['expire'];
164
  }
165

    
166
  /**
167
   * Override parent::configDefaults().
168
   */
169
  public function configDefaults() {
170
    return array(
171
      'expire' => FEEDS_EXPIRE_NEVER,
172
      'author' => 0,
173
      'authorize' => TRUE,
174
    ) + parent::configDefaults();
175
  }
176

    
177
  /**
178
   * Override parent::configForm().
179
   */
180
  public function configForm(&$form_state) {
181
    $form = parent::configForm($form_state);
182

    
183
    $author = user_load($this->config['author']);
184
    $form['author'] = array(
185
      '#type' => 'textfield',
186
      '#title' => t('Author'),
187
      '#description' => t('Select the author of the nodes to be created - leave empty to assign "anonymous".'),
188
      '#autocomplete_path' => 'user/autocomplete',
189
      '#default_value' => empty($author->name) ?  'anonymous' : check_plain($author->name),
190
    );
191
    $form['authorize'] = array(
192
      '#type' => 'checkbox',
193
      '#title' => t('Authorize'),
194
      '#description' => t('Check that the author has permission to create the node.'),
195
      '#default_value' => $this->config['authorize'],
196
    );
197
    $period = drupal_map_assoc(array(FEEDS_EXPIRE_NEVER, 3600, 10800, 21600, 43200, 86400, 259200, 604800, 2592000, 2592000 * 3, 2592000 * 6, 31536000), 'feeds_format_expire');
198
    $form['expire'] = array(
199
      '#type' => 'select',
200
      '#title' => t('Expire nodes'),
201
      '#options' => $period,
202
      '#description' => t("Select after how much time nodes should be deleted. The node's published date will be used for determining the node's age, see Mapping settings."),
203
      '#default_value' => $this->config['expire'],
204
    );
205
    // Add on the "Unpublish" option for nodes, update wording.
206
    if (isset($form['update_non_existent'])) {
207
      $form['update_non_existent']['#options'][FEEDS_UNPUBLISH_NON_EXISTENT] = t('Unpublish non-existent nodes');
208
    }
209
    return $form;
210
  }
211

    
212
  /**
213
   * Override parent::configFormValidate().
214
   */
215
  public function configFormValidate(&$values) {
216
    if ($author = user_load_by_name($values['author'])) {
217
      $values['author'] = $author->uid;
218
    }
219
    else {
220
      $values['author'] = 0;
221
    }
222
  }
223

    
224
  /**
225
   * Reschedule if expiry time changes.
226
   */
227
  public function configFormSubmit(&$values) {
228
    if ($this->config['expire'] != $values['expire']) {
229
      feeds_reschedule($this->id);
230
    }
231
    parent::configFormSubmit($values);
232
  }
233

    
234
  /**
235
   * Override setTargetElement to operate on a target item that is a node.
236
   */
237
  public function setTargetElement(FeedsSource $source, $target_node, $target_element, $value) {
238
    switch ($target_element) {
239
      case 'created':
240
        $target_node->created = feeds_to_unixtime($value, REQUEST_TIME);
241
        break;
242
      case 'changed':
243
        // The 'changed' value will be set on the node in feeds_node_presave().
244
        // This is because node_save() always overwrites this value (though
245
        // before invoking hook_node_presave()).
246
        $target_node->feeds_item->node_changed = feeds_to_unixtime($value, REQUEST_TIME);
247
        break;
248
      case 'feeds_source':
249
        // Get the class of the feed node importer's fetcher and set the source
250
        // property. See feeds_node_update() how $node->feeds gets stored.
251
        if ($id = feeds_get_importer_id($this->bundle())) {
252
          $class = get_class(feeds_importer($id)->fetcher);
253
          $target_node->feeds[$class]['source'] = $value;
254
          // This effectively suppresses 'import on submission' feature.
255
          // See feeds_node_insert().
256
          $target_node->feeds['suppress_import'] = TRUE;
257
        }
258
        break;
259
      case 'user_name':
260
        if ($user = user_load_by_name($value)) {
261
          $target_node->uid = $user->uid;
262
        }
263
        break;
264
      case 'user_mail':
265
        if ($user = user_load_by_mail($value)) {
266
          $target_node->uid = $user->uid;
267
        }
268
        break;
269
      default:
270
        parent::setTargetElement($source, $target_node, $target_element, $value);
271
        break;
272
    }
273
  }
274

    
275
  /**
276
   * Return available mapping targets.
277
   */
278
  public function getMappingTargets() {
279
    $type = node_type_get_type($this->bundle());
280

    
281
    $targets = parent::getMappingTargets();
282
    if ($type && $type->has_title) {
283
      $targets['title'] = array(
284
        'name' => t('Title'),
285
        'description' => t('The title of the node.'),
286
        'optional_unique' => TRUE,
287
      );
288
    }
289
    $targets['nid'] = array(
290
      'name' => t('Node ID'),
291
      'description' => t('The nid of the node. NOTE: use this feature with care, node ids are usually assigned by Drupal.'),
292
      'optional_unique' => TRUE,
293
    );
294
    $targets['uid'] = array(
295
      'name' => t('User ID'),
296
      'description' => t('The Drupal user ID of the node author.'),
297
    );
298
    $targets['user_name'] = array(
299
      'name' => t('Username'),
300
      'description' => t('The Drupal username of the node author.'),
301
    );
302
    $targets['user_mail'] = array(
303
      'name' => t('User email'),
304
      'description' => t('The email address of the node author.'),
305
    );
306
    $targets['status'] = array(
307
      'name' => t('Published status'),
308
      'description' => t('Whether a node is published or not. 1 stands for published, 0 for not published.'),
309
    );
310
    $targets['created'] = array(
311
      'name' => t('Published date'),
312
      'description' => t('The UNIX time when a node has been published.'),
313
    );
314
    $targets['changed'] = array(
315
      'name' => t('Updated date'),
316
      'description' => t('The Unix timestamp when a node has been last updated.'),
317
    );
318
    $targets['promote'] = array(
319
      'name' => t('Promoted to front page'),
320
      'description' => t('Boolean value, whether or not node is promoted to front page. (1 = promoted, 0 = not promoted)'),
321
    );
322
    $targets['sticky'] = array(
323
      'name' => t('Sticky'),
324
      'description' => t('Boolean value, whether or not node is sticky at top of lists. (1 = sticky, 0 = not sticky)'),
325
    );
326

    
327
    // Include language field if Locale module is enabled.
328
    if (module_exists('locale')) {
329
      $targets['language'] = array(
330
        'name' => t('Language'),
331
        'description' => t('The two-character language code of the node.'),
332
      );
333
    }
334

    
335
    // Include comment field if Comment module is enabled.
336
    if (module_exists('comment')) {
337
      $targets['comment'] = array(
338
        'name' => t('Comments'),
339
        'description' => t('Whether comments are allowed on this node: 0 = no, 1 = read only, 2 = read/write.'),
340
      );
341
    }
342

    
343
    // If the target content type is a Feed node, expose its source field.
344
    if ($id = feeds_get_importer_id($this->bundle())) {
345
      $name = feeds_importer($id)->config['name'];
346
      $targets['feeds_source'] = array(
347
        'name' => t('Feed source'),
348
        'description' => t('The content type created by this processor is a Feed Node, it represents a source itself. Depending on the fetcher selected on the importer "@importer", this field is expected to be for example a URL or a path to a file.', array('@importer' => $name)),
349
        'optional_unique' => TRUE,
350
      );
351
    }
352

    
353
    $this->getHookTargets($targets);
354

    
355
    return $targets;
356
  }
357

    
358
  /**
359
   * Get nid of an existing feed item node if available.
360
   */
361
  protected function existingEntityId(FeedsSource $source, FeedsParserResult $result) {
362
    if ($nid = parent::existingEntityId($source, $result)) {
363
      return $nid;
364
    }
365

    
366
    // Iterate through all unique targets and test whether they do already
367
    // exist in the database.
368
    foreach ($this->uniqueTargets($source, $result) as $target => $value) {
369
      switch ($target) {
370
        case 'nid':
371
          $nid = db_query("SELECT nid FROM {node} WHERE nid = :nid", array(':nid' => $value))->fetchField();
372
          break;
373
        case 'title':
374
          $nid = db_query("SELECT nid FROM {node} WHERE title = :title AND type = :type", array(':title' => $value, ':type' => $this->bundle()))->fetchField();
375
          break;
376
        case 'feeds_source':
377
          if ($id = feeds_get_importer_id($this->bundle())) {
378
            $nid = db_query("SELECT fs.feed_nid FROM {node} n JOIN {feeds_source} fs ON n.nid = fs.feed_nid WHERE fs.id = :id AND fs.source = :source", array(':id' => $id, ':source' => $value))->fetchField();
379
          }
380
          break;
381
      }
382
      if ($nid) {
383
        // Return with the first nid found.
384
        return $nid;
385
      }
386
    }
387
    return 0;
388
  }
389

    
390
  /**
391
   * Overrides FeedsProcessor::clean().
392
   *
393
   * Allow unpublish instead of delete.
394
   *
395
   * @param FeedsState $state
396
   *   The FeedsState object for the given stage.
397
   */
398
  protected function clean(FeedsState $state) {
399
    // Delegate to parent if not unpublishing or option not set.
400
    if (!isset($this->config['update_non_existent']) || $this->config['update_non_existent'] != FEEDS_UNPUBLISH_NON_EXISTENT) {
401
      return parent::clean($state);
402
    }
403

    
404
    $total = count($state->removeList);
405
    if ($total) {
406
      $nodes = node_load_multiple($state->removeList);
407
      foreach ($nodes as &$node) {
408
        $this->loadItemInfo($node);
409
        // Update the hash value of the feed item to ensure that the item gets
410
        // updated in case it reappears in the feed.
411
        $node->feeds_item->hash = $this->config['update_non_existent'];
412
        node_unpublish_action($node);
413
        node_save($node);
414
        $state->unpublished++;
415
      }
416
    }
417
  }
418

    
419
}