1
|
<?php
|
2
|
|
3
|
/**
|
4
|
* @file
|
5
|
* Contains FeedsProcessor and related classes.
|
6
|
*/
|
7
|
|
8
|
// Insert mode for new items.
|
9
|
define('FEEDS_SKIP_NEW', 0);
|
10
|
define('FEEDS_INSERT_NEW', 1);
|
11
|
|
12
|
// Update mode for existing items.
|
13
|
define('FEEDS_SKIP_EXISTING', 0);
|
14
|
define('FEEDS_REPLACE_EXISTING', 1);
|
15
|
define('FEEDS_UPDATE_EXISTING', 2);
|
16
|
// Options for handling content in Drupal but not in source data.
|
17
|
define('FEEDS_SKIP_NON_EXISTENT', 'skip');
|
18
|
define('FEEDS_DELETE_NON_EXISTENT', 'delete');
|
19
|
|
20
|
// Default limit for creating items on a page load, not respected by all
|
21
|
// processors.
|
22
|
define('FEEDS_PROCESS_LIMIT', 50);
|
23
|
|
24
|
/**
|
25
|
* Thrown if a validation fails.
|
26
|
*/
|
27
|
class FeedsValidationException extends Exception {}
|
28
|
|
29
|
/**
|
30
|
* Thrown if a an access check fails.
|
31
|
*/
|
32
|
class FeedsAccessException extends Exception {}
|
33
|
|
34
|
/**
|
35
|
* Abstract class, defines interface for processors.
|
36
|
*/
|
37
|
abstract class FeedsProcessor extends FeedsPlugin {
|
38
|
|
39
|
/**
|
40
|
* Implements FeedsPlugin::pluginType().
|
41
|
*/
|
42
|
public function pluginType() {
|
43
|
return 'processor';
|
44
|
}
|
45
|
|
46
|
/**
|
47
|
* @defgroup entity_api_wrapper Entity API wrapper.
|
48
|
*/
|
49
|
|
50
|
/**
|
51
|
* Entity type this processor operates on.
|
52
|
*/
|
53
|
abstract public function entityType();
|
54
|
|
55
|
/**
|
56
|
* Bundle type this processor operates on.
|
57
|
*
|
58
|
* Defaults to the entity type for entities that do not define bundles.
|
59
|
*
|
60
|
* @return string|null
|
61
|
* The bundle type this processor operates on, or NULL if it is undefined.
|
62
|
*/
|
63
|
public function bundle() {
|
64
|
return $this->config['bundle'];
|
65
|
}
|
66
|
|
67
|
/**
|
68
|
* Provides a list of bundle options for use in select lists.
|
69
|
*
|
70
|
* @return array
|
71
|
* A keyed array of bundle => label.
|
72
|
*/
|
73
|
public function bundleOptions() {
|
74
|
$options = array();
|
75
|
foreach (field_info_bundles($this->entityType()) as $bundle => $info) {
|
76
|
if (!empty($info['label'])) {
|
77
|
$options[$bundle] = $info['label'];
|
78
|
}
|
79
|
else {
|
80
|
$options[$bundle] = $bundle;
|
81
|
}
|
82
|
}
|
83
|
return $options;
|
84
|
}
|
85
|
|
86
|
/**
|
87
|
* Provides a list of languages available on the site.
|
88
|
*
|
89
|
* @return array
|
90
|
* A keyed array of language_key => language_name. For example:
|
91
|
* 'en' => 'English'.
|
92
|
*/
|
93
|
public function languageOptions() {
|
94
|
$languages = array(
|
95
|
LANGUAGE_NONE => t('Language neutral'),
|
96
|
);
|
97
|
$language_list = language_list('enabled');
|
98
|
if (!empty($language_list[1])) {
|
99
|
foreach ($language_list[1] as $language) {
|
100
|
$languages[$language->language] = $language->name;
|
101
|
}
|
102
|
}
|
103
|
return $languages;
|
104
|
}
|
105
|
|
106
|
/**
|
107
|
* Create a new entity.
|
108
|
*
|
109
|
* @param FeedsSource $source
|
110
|
* The feeds source that spawns this entity.
|
111
|
*
|
112
|
* @return object
|
113
|
* A new entity object.
|
114
|
*/
|
115
|
protected function newEntity(FeedsSource $source) {
|
116
|
$entity = new stdClass();
|
117
|
|
118
|
$info = $this->entityInfo();
|
119
|
if (!empty($info['entity keys']['language'])) {
|
120
|
$entity->{$info['entity keys']['language']} = $this->entityLanguage();
|
121
|
}
|
122
|
|
123
|
return $entity;
|
124
|
}
|
125
|
|
126
|
/**
|
127
|
* Loads an existing entity.
|
128
|
*
|
129
|
* @param FeedsSource $source
|
130
|
* The feeds source that spawns this entity.
|
131
|
* @param mixed $entity_id
|
132
|
* The id of the entity to load.
|
133
|
*
|
134
|
* @return object
|
135
|
* A new entity object.
|
136
|
*
|
137
|
* @todo We should be able to batch load these, if we found all of the
|
138
|
* existing ids first.
|
139
|
*/
|
140
|
protected function entityLoad(FeedsSource $source, $entity_id) {
|
141
|
$info = $this->entityInfo();
|
142
|
|
143
|
if ($this->config['update_existing'] == FEEDS_UPDATE_EXISTING) {
|
144
|
$entities = entity_load($this->entityType(), array($entity_id));
|
145
|
$entity = reset($entities);
|
146
|
}
|
147
|
else {
|
148
|
$args = array(':entity_id' => $entity_id);
|
149
|
$table = db_escape_table($info['base table']);
|
150
|
$key = db_escape_field($info['entity keys']['id']);
|
151
|
$entity = db_query("SELECT * FROM {" . $table . "} WHERE $key = :entity_id", $args)->fetchObject();
|
152
|
}
|
153
|
|
154
|
if ($entity && !empty($info['entity keys']['language'])) {
|
155
|
$entity->{$info['entity keys']['language']} = $this->entityLanguage();
|
156
|
}
|
157
|
|
158
|
return $entity;
|
159
|
}
|
160
|
|
161
|
/**
|
162
|
* Validates an entity.
|
163
|
*
|
164
|
* @param object $entity
|
165
|
* The entity to validate.
|
166
|
* @param FeedsSource $source
|
167
|
* (optional) The source to import from.
|
168
|
*
|
169
|
* @throws FeedsValidationException $e
|
170
|
* Thrown if validation fails.
|
171
|
*/
|
172
|
protected function entityValidate($entity, FeedsSource $source = NULL) {
|
173
|
$info = $this->entityInfo();
|
174
|
|
175
|
if (!empty($info['entity keys']['language'])) {
|
176
|
// Ensure that a valid language is always set.
|
177
|
$key = $info['entity keys']['language'];
|
178
|
$languages = $this->languageOptions();
|
179
|
|
180
|
if (empty($entity->$key) || !isset($languages[$entity->$key])) {
|
181
|
$entity->$key = $this->entityLanguage();
|
182
|
}
|
183
|
}
|
184
|
|
185
|
// Perform field validation if entity is fieldable.
|
186
|
if (!empty($info['fieldable'])) {
|
187
|
try {
|
188
|
$this->validateFields($entity);
|
189
|
}
|
190
|
catch (FieldValidationException $e) {
|
191
|
$errors = array();
|
192
|
|
193
|
// Unravel the errors inside the FieldValidationException.
|
194
|
foreach ($e->errors as $field_errors) {
|
195
|
$errors = array_merge($errors, $this->unravelFieldValidationExceptionErrors($field_errors));
|
196
|
}
|
197
|
|
198
|
// Compose error message. If available, use the entity label to indicate
|
199
|
// which item failed. Fallback to the GUID value (if available) or else
|
200
|
// no indication.
|
201
|
$label = entity_label($this->entityType(), $entity);
|
202
|
if ($label || $label === '0' || $label === 0) {
|
203
|
$message = t("@error in item '@label':", array('@error' => $e->getMessage(), '@label' => $label));
|
204
|
}
|
205
|
elseif (!empty($entity->feeds_item->guid)) {
|
206
|
$message = t("@error in item '@guid':", array('@error' => $e->getMessage(), '@guid' => $entity->feeds_item->guid));
|
207
|
}
|
208
|
else {
|
209
|
$message = $e->getMessage();
|
210
|
}
|
211
|
// Compose the final error message and throw exception.
|
212
|
$message .= theme('item_list', array('items' => $errors));
|
213
|
throw new FeedsValidationException($message);
|
214
|
}
|
215
|
}
|
216
|
}
|
217
|
|
218
|
/**
|
219
|
* Validates fields of an entity.
|
220
|
*
|
221
|
* This is mostly a copy of the field_attach_validate() function. The
|
222
|
* difference is that field_attach_validate() validates *all* fields on an
|
223
|
* entity, while Feeds only validates the fields where the user mapped to.
|
224
|
*
|
225
|
* @param object $entity
|
226
|
* The entity for which the field to validate.
|
227
|
*
|
228
|
* @throws FieldValidationException
|
229
|
* If validation errors are found, a FieldValidationException is thrown. The
|
230
|
* 'errors' property contains the array of errors, keyed by field name,
|
231
|
* language and delta.
|
232
|
*/
|
233
|
protected function validateFields($entity) {
|
234
|
$entity_type = $this->entityType();
|
235
|
|
236
|
// Get fields for the entity type we are mapping to.
|
237
|
$fields = field_info_instances($entity_type, $this->bundle());
|
238
|
|
239
|
// Get targets.
|
240
|
$targets = $this->getCachedTargets();
|
241
|
|
242
|
$errors = array();
|
243
|
$null = NULL;
|
244
|
|
245
|
// Validate all fields that we are mapping to.
|
246
|
foreach ($this->getMappings() as $mapping) {
|
247
|
// Get real target name.
|
248
|
if (isset($targets[$mapping['target']]['real_target'])) {
|
249
|
$target_name = $targets[$mapping['target']]['real_target'];
|
250
|
}
|
251
|
else {
|
252
|
$target_name = $mapping['target'];
|
253
|
}
|
254
|
|
255
|
if (isset($fields[$target_name])) {
|
256
|
// Validate this field.
|
257
|
_field_invoke_default('validate', $entity_type, $entity, $errors, $null, array(
|
258
|
'field_name' => $target_name,
|
259
|
));
|
260
|
_field_invoke('validate', $entity_type, $entity, $errors, $null, array(
|
261
|
'field_name' => $target_name,
|
262
|
));
|
263
|
}
|
264
|
}
|
265
|
|
266
|
// Let other modules validate the entity.
|
267
|
// Avoid module_invoke_all() to let $errors be taken by reference.
|
268
|
foreach (module_implements('field_attach_validate') as $module) {
|
269
|
$function = $module . '_field_attach_validate';
|
270
|
$function($entity_type, $entity, $errors);
|
271
|
}
|
272
|
|
273
|
if ($errors) {
|
274
|
throw new FieldValidationException($errors);
|
275
|
}
|
276
|
}
|
277
|
|
278
|
/**
|
279
|
* Helper function to unravel error messages hidden in a
|
280
|
* FieldValidationException.
|
281
|
*
|
282
|
* @param array $field_item_errors
|
283
|
* The errors for a single field item.
|
284
|
*
|
285
|
* @return array
|
286
|
* The unraveled error messages.
|
287
|
*/
|
288
|
protected function unravelFieldValidationExceptionErrors(array $field_item_errors) {
|
289
|
$errors = array();
|
290
|
|
291
|
foreach ($field_item_errors as $field_item_error) {
|
292
|
if (isset($field_item_error['message'])) {
|
293
|
// Found the error message!
|
294
|
$errors[] = $field_item_error['message'];
|
295
|
}
|
296
|
elseif (is_array($field_item_error)) {
|
297
|
// Error message is hidden deeper in the tree.
|
298
|
$errors = array_merge($errors, $this->unravelFieldValidationExceptionErrors($field_item_error));
|
299
|
}
|
300
|
}
|
301
|
|
302
|
return $errors;
|
303
|
}
|
304
|
|
305
|
/**
|
306
|
* Access check for saving an entity.
|
307
|
*
|
308
|
* @param object $entity
|
309
|
* The entity to be saved.
|
310
|
*
|
311
|
* @throws FeedsAccessException $e
|
312
|
* If the access check fails.
|
313
|
*/
|
314
|
protected function entitySaveAccess($entity) {}
|
315
|
|
316
|
/**
|
317
|
* Saves an entity.
|
318
|
*
|
319
|
* @param object $entity
|
320
|
* The entity to be saved.
|
321
|
*/
|
322
|
abstract protected function entitySave($entity);
|
323
|
|
324
|
/**
|
325
|
* Deletes a series of entities.
|
326
|
*
|
327
|
* @param array $entity_ids
|
328
|
* Array of unique identity ids to be deleted.
|
329
|
*/
|
330
|
abstract protected function entityDeleteMultiple($entity_ids);
|
331
|
|
332
|
/**
|
333
|
* Wrapper around entity_get_info().
|
334
|
*
|
335
|
* The entity_get_info() function is wrapped so that extending classes can
|
336
|
* override it and add more entity information.
|
337
|
*
|
338
|
* Allowed additional keys:
|
339
|
* - label plural
|
340
|
* the plural label of an entity type.
|
341
|
*/
|
342
|
protected function entityInfo() {
|
343
|
$info = entity_get_info($this->entityType());
|
344
|
|
345
|
// Entity module has defined the plural label in "plural label" instead of
|
346
|
// "label plural". So if "plural label" is defined, this will have priority
|
347
|
// over "label plural".
|
348
|
if (isset($info['plural label'])) {
|
349
|
$info['label plural'] = $info['plural label'];
|
350
|
}
|
351
|
|
352
|
return $info;
|
353
|
}
|
354
|
|
355
|
/**
|
356
|
* Returns the current language for entities.
|
357
|
*
|
358
|
* This checks if the configuration value is valid.
|
359
|
*
|
360
|
* @return string
|
361
|
* The current language code.
|
362
|
*/
|
363
|
protected function entityLanguage() {
|
364
|
if (!module_exists('locale')) {
|
365
|
// language_list() may return languages even if the locale module is
|
366
|
// disabled. See https://www.drupal.org/node/173227 why.
|
367
|
// When the locale module is disabled, there are no selectable languages
|
368
|
// in the UI, so the content should be imported in LANGUAGE_NONE.
|
369
|
return LANGUAGE_NONE;
|
370
|
}
|
371
|
|
372
|
$languages = $this->languageOptions();
|
373
|
|
374
|
return isset($languages[$this->config['language']]) ? $this->config['language'] : LANGUAGE_NONE;
|
375
|
}
|
376
|
|
377
|
/**
|
378
|
* @}
|
379
|
*/
|
380
|
|
381
|
/**
|
382
|
* Process the result of the parsing stage.
|
383
|
*
|
384
|
* @param FeedsSource $source
|
385
|
* Source information about this import.
|
386
|
* @param FeedsParserResult $parser_result
|
387
|
* The result of the parsing stage.
|
388
|
*/
|
389
|
public function process(FeedsSource $source, FeedsParserResult $parser_result) {
|
390
|
$state = $source->state(FEEDS_PROCESS);
|
391
|
if (!isset($state->removeList) && $parser_result->items) {
|
392
|
$this->initEntitiesToBeRemoved($source, $state);
|
393
|
}
|
394
|
|
395
|
$skip_new = $this->config['insert_new'] == FEEDS_SKIP_NEW;
|
396
|
$skip_existing = $this->config['update_existing'] == FEEDS_SKIP_EXISTING;
|
397
|
|
398
|
while ($item = $parser_result->shiftItem()) {
|
399
|
|
400
|
// Check if this item already exists.
|
401
|
$entity_id = $this->existingEntityId($source, $parser_result);
|
402
|
// If it's included in the feed, it must not be removed on clean.
|
403
|
if ($entity_id) {
|
404
|
unset($state->removeList[$entity_id]);
|
405
|
}
|
406
|
|
407
|
module_invoke_all('feeds_before_update', $source, $item, $entity_id);
|
408
|
|
409
|
// If it exists, and we are not updating, or if it does not exist, and we
|
410
|
// are not inserting, pass onto the next item.
|
411
|
if (($entity_id && $skip_existing) || (!$entity_id && $skip_new)) {
|
412
|
continue;
|
413
|
}
|
414
|
|
415
|
try {
|
416
|
$hash = $this->hash($item);
|
417
|
$changed = $hash !== $this->getHash($entity_id);
|
418
|
|
419
|
// Do not proceed if the item exists, has not changed, and we're not
|
420
|
// forcing the update.
|
421
|
if ($entity_id && !$changed && !$this->config['skip_hash_check']) {
|
422
|
continue;
|
423
|
}
|
424
|
|
425
|
// Load an existing entity.
|
426
|
if ($entity_id) {
|
427
|
$entity = $this->entityLoad($source, $entity_id);
|
428
|
|
429
|
// The feeds_item table is always updated with the info for the most
|
430
|
// recently processed entity. The only carryover is the entity_id.
|
431
|
$this->newItemInfo($entity, $source->feed_nid, $hash);
|
432
|
$entity->feeds_item->entity_id = $entity_id;
|
433
|
$entity->feeds_item->is_new = FALSE;
|
434
|
}
|
435
|
|
436
|
// Build a new entity.
|
437
|
else {
|
438
|
$entity = $this->newEntity($source);
|
439
|
$this->newItemInfo($entity, $source->feed_nid, $hash);
|
440
|
}
|
441
|
|
442
|
// Set property and field values.
|
443
|
$this->map($source, $parser_result, $entity);
|
444
|
|
445
|
// Allow modules to alter the entity before validating.
|
446
|
module_invoke_all('feeds_prevalidate', $source, $entity, $item, $entity_id);
|
447
|
$this->entityValidate($entity, $source);
|
448
|
|
449
|
// Allow modules to alter the entity before saving.
|
450
|
module_invoke_all('feeds_presave', $source, $entity, $item, $entity_id);
|
451
|
if (module_exists('rules')) {
|
452
|
rules_invoke_event('feeds_import_' . $source->importer()->id, $entity);
|
453
|
}
|
454
|
|
455
|
// Enable modules to skip saving at all.
|
456
|
if (!empty($entity->feeds_item->skip)) {
|
457
|
continue;
|
458
|
}
|
459
|
|
460
|
// This will throw an exception on failure.
|
461
|
$this->entitySaveAccess($entity);
|
462
|
$this->entitySave($entity);
|
463
|
|
464
|
// Allow modules to perform operations using the saved entity data.
|
465
|
// $entity contains the updated entity after saving.
|
466
|
module_invoke_all('feeds_after_save', $source, $entity, $item, $entity_id);
|
467
|
|
468
|
// Track progress.
|
469
|
if (empty($entity_id)) {
|
470
|
$state->created++;
|
471
|
}
|
472
|
else {
|
473
|
$state->updated++;
|
474
|
}
|
475
|
}
|
476
|
|
477
|
// Something bad happened, log it.
|
478
|
catch (Exception $e) {
|
479
|
$state->failed++;
|
480
|
drupal_set_message($e->getMessage(), 'warning');
|
481
|
list($message, $arguments) = $this->createLogEntry($e, $entity, $item);
|
482
|
$source->log('import', $message, $arguments, WATCHDOG_ERROR);
|
483
|
}
|
484
|
}
|
485
|
|
486
|
// Set messages if we're done.
|
487
|
if ($source->progressImporting() != FEEDS_BATCH_COMPLETE) {
|
488
|
return;
|
489
|
}
|
490
|
// Remove not included items if needed.
|
491
|
// It depends on the implementation of the clean() method what will happen
|
492
|
// to items that were no longer in the source.
|
493
|
$this->clean($state);
|
494
|
$info = $this->entityInfo();
|
495
|
$tokens = array(
|
496
|
'@entity' => strtolower($info['label']),
|
497
|
'@entities' => strtolower($info['label plural']),
|
498
|
);
|
499
|
$messages = array();
|
500
|
if ($state->created) {
|
501
|
$messages[] = array(
|
502
|
'message' => format_plural(
|
503
|
$state->created,
|
504
|
'Created @number @entity.',
|
505
|
'Created @number @entities.',
|
506
|
array('@number' => $state->created) + $tokens
|
507
|
),
|
508
|
);
|
509
|
}
|
510
|
if ($state->updated) {
|
511
|
$messages[] = array(
|
512
|
'message' => format_plural(
|
513
|
$state->updated,
|
514
|
'Updated @number @entity.',
|
515
|
'Updated @number @entities.',
|
516
|
array('@number' => $state->updated) + $tokens
|
517
|
),
|
518
|
);
|
519
|
}
|
520
|
if ($state->unpublished) {
|
521
|
$messages[] = array(
|
522
|
'message' => format_plural(
|
523
|
$state->unpublished,
|
524
|
'Unpublished @number @entity.',
|
525
|
'Unpublished @number @entities.',
|
526
|
array('@number' => $state->unpublished) + $tokens
|
527
|
),
|
528
|
);
|
529
|
}
|
530
|
if ($state->blocked) {
|
531
|
$messages[] = array(
|
532
|
'message' => format_plural(
|
533
|
$state->blocked,
|
534
|
'Blocked @number @entity.',
|
535
|
'Blocked @number @entities.',
|
536
|
array('@number' => $state->blocked) + $tokens
|
537
|
),
|
538
|
);
|
539
|
}
|
540
|
if ($state->deleted) {
|
541
|
$messages[] = array(
|
542
|
'message' => format_plural(
|
543
|
$state->deleted,
|
544
|
'Removed @number @entity.',
|
545
|
'Removed @number @entities.',
|
546
|
array('@number' => $state->deleted) + $tokens
|
547
|
),
|
548
|
);
|
549
|
}
|
550
|
if ($state->failed) {
|
551
|
$messages[] = array(
|
552
|
'message' => format_plural(
|
553
|
$state->failed,
|
554
|
'Failed importing @number @entity.',
|
555
|
'Failed importing @number @entities.',
|
556
|
array('@number' => $state->failed) + $tokens
|
557
|
),
|
558
|
'level' => WATCHDOG_ERROR,
|
559
|
);
|
560
|
}
|
561
|
if (empty($messages)) {
|
562
|
$messages[] = array(
|
563
|
'message' => t('There are no new @entities.', array('@entities' => strtolower($info['label plural']))),
|
564
|
);
|
565
|
}
|
566
|
foreach ($messages as $message) {
|
567
|
drupal_set_message($message['message']);
|
568
|
$source->log('import', $message['message'], array(), isset($message['level']) ? $message['level'] : WATCHDOG_INFO);
|
569
|
}
|
570
|
}
|
571
|
|
572
|
/**
|
573
|
* Initializes the list of entities to remove.
|
574
|
*
|
575
|
* This populates $state->removeList with all existing entities previously
|
576
|
* imported from the source.
|
577
|
*
|
578
|
* @param FeedsSource $source
|
579
|
* Source information about this import.
|
580
|
* @param FeedsState $state
|
581
|
* The FeedsState object for the given stage.
|
582
|
*/
|
583
|
protected function initEntitiesToBeRemoved(FeedsSource $source, FeedsState $state) {
|
584
|
$state->removeList = array();
|
585
|
|
586
|
// We fill it only if needed.
|
587
|
if ($this->config['update_non_existent'] == FEEDS_SKIP_NON_EXISTENT) {
|
588
|
return;
|
589
|
}
|
590
|
|
591
|
// Get the full list of entities for this source.
|
592
|
$entity_ids = db_select('feeds_item')
|
593
|
->fields('feeds_item', array('entity_id'))
|
594
|
->condition('entity_type', $this->entityType())
|
595
|
->condition('id', $this->id)
|
596
|
->condition('feed_nid', $source->feed_nid)
|
597
|
->condition('hash', $this->config['update_non_existent'], '<>')
|
598
|
->execute()
|
599
|
->fetchCol();
|
600
|
|
601
|
if (!$entity_ids) {
|
602
|
return;
|
603
|
}
|
604
|
|
605
|
$state->removeList = array_combine($entity_ids, $entity_ids);
|
606
|
}
|
607
|
|
608
|
/**
|
609
|
* Deletes entities which were not found during processing.
|
610
|
*
|
611
|
* @todo batch delete?
|
612
|
*
|
613
|
* @param FeedsState $state
|
614
|
* The FeedsState object for the given stage.
|
615
|
*/
|
616
|
protected function clean(FeedsState $state) {
|
617
|
// We clean only if needed.
|
618
|
if ($this->config['update_non_existent'] != FEEDS_DELETE_NON_EXISTENT) {
|
619
|
return;
|
620
|
}
|
621
|
|
622
|
if ($total = count($state->removeList)) {
|
623
|
$this->entityDeleteMultiple($state->removeList);
|
624
|
$state->deleted += $total;
|
625
|
}
|
626
|
}
|
627
|
|
628
|
/**
|
629
|
* Removes all imported items for a source.
|
630
|
*
|
631
|
* @param FeedsSource $source
|
632
|
* Source information for this expiry. Implementers should only delete items
|
633
|
* pertaining to this source. The preferred way of determining whether an
|
634
|
* item pertains to a certain souce is by using $source->feed_nid. It is the
|
635
|
* processor's responsibility to store the feed_nid of an imported item in
|
636
|
* the processing stage.
|
637
|
*/
|
638
|
public function clear(FeedsSource $source) {
|
639
|
$state = $source->state(FEEDS_PROCESS_CLEAR);
|
640
|
|
641
|
// Build base select statement.
|
642
|
$select = db_select('feeds_item')
|
643
|
->fields('feeds_item', array('entity_id'))
|
644
|
->condition('entity_type', $this->entityType())
|
645
|
->condition('id', $this->id)
|
646
|
->condition('feed_nid', $source->feed_nid);
|
647
|
|
648
|
// If there is no total, query it.
|
649
|
if (!$state->total) {
|
650
|
$state->total = $select->countQuery()->execute()->fetchField();
|
651
|
}
|
652
|
|
653
|
// Delete a batch of entities.
|
654
|
$entity_ids = $select->range(0, $this->getLimit())->execute()->fetchCol();
|
655
|
$this->entityDeleteMultiple($entity_ids);
|
656
|
|
657
|
// Report progress, take into account that we may not have deleted as many
|
658
|
// items as we have counted at first.
|
659
|
if ($deleted_count = count($entity_ids)) {
|
660
|
$state->deleted += $deleted_count;
|
661
|
$state->progress($state->total, $state->deleted);
|
662
|
}
|
663
|
else {
|
664
|
$state->progress($state->total, $state->total);
|
665
|
}
|
666
|
|
667
|
// Report results when done.
|
668
|
if ($source->progressClearing() == FEEDS_BATCH_COMPLETE) {
|
669
|
$info = $this->entityInfo();
|
670
|
|
671
|
if ($state->deleted) {
|
672
|
$message = format_plural(
|
673
|
$state->deleted,
|
674
|
'Deleted @number @entity',
|
675
|
'Deleted @number @entities',
|
676
|
array(
|
677
|
'@number' => $state->deleted,
|
678
|
'@entity' => strtolower($info['label']),
|
679
|
'@entities' => strtolower($info['label plural']),
|
680
|
)
|
681
|
);
|
682
|
$source->log('clear', $message, array(), WATCHDOG_INFO);
|
683
|
drupal_set_message($message);
|
684
|
}
|
685
|
else {
|
686
|
drupal_set_message(t('There are no @entities to be deleted.', array('@entities' => $info['label plural'])));
|
687
|
}
|
688
|
}
|
689
|
}
|
690
|
|
691
|
/**
|
692
|
* Report number of items that can be processed per call.
|
693
|
*
|
694
|
* 0 means 'unlimited'.
|
695
|
*
|
696
|
* If a number other than 0 is given, Feeds parsers that support batching
|
697
|
* will only deliver this limit to the processor.
|
698
|
*
|
699
|
* @see FeedsSource::getLimit()
|
700
|
* @see FeedsCSVParser::parse()
|
701
|
*/
|
702
|
public function getLimit() {
|
703
|
return variable_get('feeds_process_limit', FEEDS_PROCESS_LIMIT);
|
704
|
}
|
705
|
|
706
|
/**
|
707
|
* Deletes feed items older than REQUEST_TIME - $time.
|
708
|
*
|
709
|
* Do not invoke expire on a processor directly, but use
|
710
|
* FeedsSource::expire() instead.
|
711
|
*
|
712
|
* @param FeedsSource $source
|
713
|
* The source to expire entities for.
|
714
|
* @param int|null $time
|
715
|
* (optional) All items produced by this configuration that are older than
|
716
|
* REQUEST_TIME - $time should be deleted. If NULL, processor should use
|
717
|
* internal configuration. Defaults to NULL.
|
718
|
*
|
719
|
* @return float|null
|
720
|
* FEEDS_BATCH_COMPLETE if all items have been processed, null if expiring
|
721
|
* is disabled, a float between 0 and 0.99* indicating progress otherwise.
|
722
|
*
|
723
|
* @see FeedsSource::expire()
|
724
|
*/
|
725
|
public function expire(FeedsSource $source, $time = NULL) {
|
726
|
$state = $source->state(FEEDS_PROCESS_EXPIRE);
|
727
|
|
728
|
if ($time === NULL) {
|
729
|
$time = $this->expiryTime();
|
730
|
}
|
731
|
if ($time == FEEDS_EXPIRE_NEVER) {
|
732
|
return;
|
733
|
}
|
734
|
|
735
|
$select = $this->expiryQuery($source, $time);
|
736
|
|
737
|
// If there is no total, query it.
|
738
|
if (!$state->total) {
|
739
|
$state->total = $select->countQuery()->execute()->fetchField();
|
740
|
}
|
741
|
|
742
|
// Delete a batch of entities.
|
743
|
$entity_ids = $select->range(0, $this->getLimit())->execute()->fetchCol();
|
744
|
if ($entity_ids) {
|
745
|
$this->entityDeleteMultiple($entity_ids);
|
746
|
$state->deleted += count($entity_ids);
|
747
|
$state->progress($state->total, $state->deleted);
|
748
|
}
|
749
|
else {
|
750
|
$state->progress($state->total, $state->total);
|
751
|
}
|
752
|
}
|
753
|
|
754
|
/**
|
755
|
* Returns a database query used to select entities to expire.
|
756
|
*
|
757
|
* Processor classes should override this method to set the age portion of the
|
758
|
* query.
|
759
|
*
|
760
|
* @param FeedsSource $source
|
761
|
* The feed source.
|
762
|
* @param int $time
|
763
|
* Delete entities older than this.
|
764
|
*
|
765
|
* @return SelectQuery
|
766
|
* A select query to execute.
|
767
|
*
|
768
|
* @see FeedsNodeProcessor::expiryQuery()
|
769
|
*/
|
770
|
protected function expiryQuery(FeedsSource $source, $time) {
|
771
|
// Build base select statement.
|
772
|
$info = $this->entityInfo();
|
773
|
$id_key = $info['entity keys']['id'];
|
774
|
|
775
|
$select = db_select($info['base table'], 'e');
|
776
|
$select->addField('e', $id_key);
|
777
|
$select->join('feeds_item', 'fi', "e.$id_key = fi.entity_id");
|
778
|
$select->condition('fi.entity_type', $this->entityType());
|
779
|
$select->condition('fi.id', $this->id);
|
780
|
$select->condition('fi.feed_nid', $source->feed_nid);
|
781
|
|
782
|
return $select;
|
783
|
}
|
784
|
|
785
|
/**
|
786
|
* Counts the number of items imported by this processor.
|
787
|
*
|
788
|
* @return int
|
789
|
* The number of items imported by this processor.
|
790
|
*/
|
791
|
public function itemCount(FeedsSource $source) {
|
792
|
return db_query("SELECT count(*) FROM {feeds_item} WHERE id = :id AND entity_type = :entity_type AND feed_nid = :feed_nid", array(
|
793
|
':id' => $this->id,
|
794
|
':entity_type' => $this->entityType(),
|
795
|
':feed_nid' => $source->feed_nid,
|
796
|
))->fetchField();
|
797
|
}
|
798
|
|
799
|
/**
|
800
|
* Returns a statically cached version of the target mappings.
|
801
|
*
|
802
|
* @return array
|
803
|
* The targets for this importer.
|
804
|
*/
|
805
|
protected function getCachedTargets() {
|
806
|
$targets = &drupal_static('FeedsProcessor::getCachedTargets', array());
|
807
|
|
808
|
if (!isset($targets[$this->id])) {
|
809
|
$targets[$this->id] = $this->getMappingTargets();
|
810
|
}
|
811
|
|
812
|
return $targets[$this->id];
|
813
|
}
|
814
|
|
815
|
/**
|
816
|
* Returns a statically cached version of the source mappings.
|
817
|
*
|
818
|
* @return array
|
819
|
* The sources for this importer.
|
820
|
*/
|
821
|
protected function getCachedSources() {
|
822
|
$sources = &drupal_static('FeedsProcessor::getCachedSources', array());
|
823
|
|
824
|
if (!isset($sources[$this->id])) {
|
825
|
|
826
|
$sources[$this->id] = feeds_importer($this->id)->parser->getMappingSources();
|
827
|
|
828
|
if (is_array($sources[$this->id])) {
|
829
|
foreach ($sources[$this->id] as $source_key => $source) {
|
830
|
if (empty($source['callback']) || !is_callable($source['callback'])) {
|
831
|
unset($sources[$this->id][$source_key]['callback']);
|
832
|
}
|
833
|
}
|
834
|
}
|
835
|
}
|
836
|
|
837
|
return $sources[$this->id];
|
838
|
}
|
839
|
|
840
|
/**
|
841
|
* Execute mapping on an item.
|
842
|
*
|
843
|
* This method encapsulates the central mapping functionality. When an item is
|
844
|
* processed, it is passed through map() where the properties of $source_item
|
845
|
* are mapped onto $target_item following the processor's mapping
|
846
|
* configuration.
|
847
|
*
|
848
|
* For each mapping FeedsParser::getSourceElement() is executed to retrieve
|
849
|
* the source element, then FeedsProcessor::setTargetElement() is invoked
|
850
|
* to populate the target item properly. Alternatively a
|
851
|
* hook_x_targets_alter() may have specified a callback for a mapping target
|
852
|
* in which case the callback is asked to populate the target item instead of
|
853
|
* FeedsProcessor::setTargetElement().
|
854
|
*
|
855
|
* @ingroup mappingapi
|
856
|
*
|
857
|
* @see hook_feeds_parser_sources_alter()
|
858
|
* @see hook_feeds_processor_targets()
|
859
|
* @see hook_feeds_processor_targets_alter()
|
860
|
*/
|
861
|
protected function map(FeedsSource $source, FeedsParserResult $result, $target_item = NULL) {
|
862
|
$targets = $this->getCachedTargets();
|
863
|
// Get fields for the entity type we are mapping to.
|
864
|
$fields = field_info_instances($this->entityType(), $this->bundle());
|
865
|
|
866
|
if (empty($target_item)) {
|
867
|
$target_item = array();
|
868
|
}
|
869
|
|
870
|
// Many mappers add to existing fields rather than replacing them. Hence we
|
871
|
// need to clear target elements of each item before mapping in case we are
|
872
|
// mapping on a prepopulated item such as an existing node.
|
873
|
foreach ($this->getMappings() as $mapping) {
|
874
|
if (isset($targets[$mapping['target']]['real_target'])) {
|
875
|
$target_name = $targets[$mapping['target']]['real_target'];
|
876
|
}
|
877
|
else {
|
878
|
$target_name = $mapping['target'];
|
879
|
}
|
880
|
|
881
|
// If the target is a field empty the value for the targeted language
|
882
|
// only.
|
883
|
// In all other cases, just empty the target completely.
|
884
|
if (isset($fields[$target_name])) {
|
885
|
// Empty the target for the specified language.
|
886
|
$target_item->{$target_name}[$mapping['language']] = array();
|
887
|
}
|
888
|
else {
|
889
|
// Empty the whole target.
|
890
|
$target_item->{$target_name} = NULL;
|
891
|
}
|
892
|
}
|
893
|
|
894
|
// This is where the actual mapping happens: For every mapping we invoke
|
895
|
// the parser's getSourceElement() method to retrieve the value of the
|
896
|
// source element and pass it to the processor's setTargetElement() to stick
|
897
|
// it on the right place of the target item.
|
898
|
foreach ($this->getMappings() as $mapping) {
|
899
|
$value = $this->getSourceValue($source, $result, $mapping['source']);
|
900
|
|
901
|
$this->mapToTarget($source, $mapping['target'], $target_item, $value, $mapping);
|
902
|
}
|
903
|
|
904
|
return $target_item;
|
905
|
}
|
906
|
|
907
|
/**
|
908
|
* Returns the values from the parser, or callback.
|
909
|
*
|
910
|
* @param FeedsSource $source
|
911
|
* The feed source.
|
912
|
* @param FeedsParserResult $result
|
913
|
* The parser result.
|
914
|
* @param string $source_key
|
915
|
* The current key being processed.
|
916
|
*
|
917
|
* @return mixed
|
918
|
* A value, or a list of values.
|
919
|
*/
|
920
|
protected function getSourceValue(FeedsSource $source, FeedsParserResult $result, $source_key) {
|
921
|
$sources = $this->getCachedSources();
|
922
|
|
923
|
if (isset($sources[$source_key]['callback'])) {
|
924
|
return call_user_func($sources[$source_key]['callback'], $source, $result, $source_key);
|
925
|
}
|
926
|
|
927
|
return feeds_importer($this->id)->parser->getSourceElement($source, $result, $source_key);
|
928
|
}
|
929
|
|
930
|
/**
|
931
|
* Maps values onto the target item.
|
932
|
*
|
933
|
* @param FeedsSource $source
|
934
|
* The feed source.
|
935
|
* @param mixed &$target_item
|
936
|
* The target item to apply values into.
|
937
|
* @param mixed $value
|
938
|
* A value, or a list of values.
|
939
|
* @param array $mapping
|
940
|
* The mapping configuration.
|
941
|
*/
|
942
|
protected function mapToTarget(FeedsSource $source, $target, &$target_item, $value, array $mapping) {
|
943
|
$targets = $this->getCachedTargets();
|
944
|
|
945
|
// Map the source element's value to the target.
|
946
|
// If the mapping specifies a callback method, use the callback instead of
|
947
|
// setTargetElement().
|
948
|
if (isset($targets[$target]['callback'])) {
|
949
|
|
950
|
// All target callbacks expect an array.
|
951
|
if (!is_array($value)) {
|
952
|
$value = array($value);
|
953
|
}
|
954
|
|
955
|
call_user_func($targets[$target]['callback'], $source, $target_item, $target, $value, $mapping);
|
956
|
}
|
957
|
|
958
|
else {
|
959
|
$this->setTargetElement($source, $target_item, $target, $value, $mapping);
|
960
|
}
|
961
|
}
|
962
|
|
963
|
/**
|
964
|
* Returns the time in seconds after which items should be removed.
|
965
|
*
|
966
|
* If expiry of items isn't supported, FEEDS_EXPIRE_NEVER is returned.
|
967
|
*
|
968
|
* By default, expiring items isn't supported. Processors that want to support
|
969
|
* this feature, should override this method.
|
970
|
*
|
971
|
* @return int
|
972
|
* The expiry time or FEEDS_EXPIRE_NEVER if expiry isn't supported.
|
973
|
*/
|
974
|
public function expiryTime() {
|
975
|
return FEEDS_EXPIRE_NEVER;
|
976
|
}
|
977
|
|
978
|
/**
|
979
|
* {@inheritdoc}
|
980
|
*/
|
981
|
public function configDefaults() {
|
982
|
$info = $this->entityInfo();
|
983
|
$bundle = NULL;
|
984
|
if (empty($info['entity keys']['bundle'])) {
|
985
|
$bundle = $this->entityType();
|
986
|
}
|
987
|
return array(
|
988
|
'mappings' => array(),
|
989
|
'insert_new' => FEEDS_INSERT_NEW,
|
990
|
'update_existing' => FEEDS_SKIP_EXISTING,
|
991
|
'update_non_existent' => FEEDS_SKIP_NON_EXISTENT,
|
992
|
'input_format' => NULL,
|
993
|
'skip_hash_check' => FALSE,
|
994
|
'bundle' => $bundle,
|
995
|
'language' => LANGUAGE_NONE,
|
996
|
) + parent::configDefaults();
|
997
|
}
|
998
|
|
999
|
/**
|
1000
|
* Validates the configuration.
|
1001
|
*
|
1002
|
* @return array
|
1003
|
* A list of errors.
|
1004
|
*/
|
1005
|
public function validateConfig() {
|
1006
|
$errors = parent::validateConfig();
|
1007
|
$info = $this->entityInfo();
|
1008
|
$config = $this->getConfig();
|
1009
|
|
1010
|
// Check configured bundle if the bundle is configurable.
|
1011
|
if (isset($config['bundle']) && !empty($info['entity keys']['bundle'])) {
|
1012
|
$bundles = $this->bundleOptions();
|
1013
|
if (!in_array($config['bundle'], array_keys($bundles))) {
|
1014
|
$errors[] = t('Invalid value %value for config option %key.', array(
|
1015
|
'%value' => $config['bundle'],
|
1016
|
'%key' => !empty($info['bundle name']) ? $info['bundle name'] : t('Bundle'),
|
1017
|
));
|
1018
|
}
|
1019
|
}
|
1020
|
|
1021
|
// Check configured language.
|
1022
|
if (module_exists('locale') && !empty($info['entity keys']['language']) && isset($config['language'])) {
|
1023
|
$languages = $this->languageOptions();
|
1024
|
if (!isset($languages[$config['language']])) {
|
1025
|
$errors[] = t('Invalid value %value for config option %key.', array(
|
1026
|
'%value' => $config['language'],
|
1027
|
'%key' => t('Language'),
|
1028
|
));
|
1029
|
}
|
1030
|
}
|
1031
|
|
1032
|
return $errors;
|
1033
|
}
|
1034
|
|
1035
|
/**
|
1036
|
* {@inheritdoc}
|
1037
|
*/
|
1038
|
public function configForm(&$form_state) {
|
1039
|
$info = $this->entityInfo();
|
1040
|
$form = array();
|
1041
|
|
1042
|
if (!empty($info['entity keys']['bundle'])) {
|
1043
|
$bundle = $this->bundle();
|
1044
|
$form['bundle'] = array(
|
1045
|
'#type' => 'select',
|
1046
|
'#options' => $this->bundleOptions(),
|
1047
|
'#title' => !empty($info['bundle name']) ? $info['bundle name'] : t('Bundle'),
|
1048
|
'#required' => TRUE,
|
1049
|
'#default_value' => $bundle,
|
1050
|
);
|
1051
|
|
1052
|
// Add default value as one of the options if not yet available.
|
1053
|
if (!isset($form['bundle']['#options'][$bundle])) {
|
1054
|
$form['bundle']['#options'][$bundle] = t('Unknown bundle: @bundle', array(
|
1055
|
'@bundle' => $bundle,
|
1056
|
));
|
1057
|
}
|
1058
|
}
|
1059
|
else {
|
1060
|
$form['bundle'] = array(
|
1061
|
'#type' => 'value',
|
1062
|
'#value' => $this->entityType(),
|
1063
|
);
|
1064
|
}
|
1065
|
|
1066
|
if (module_exists('locale') && !empty($info['entity keys']['language'])) {
|
1067
|
$form['language'] = array(
|
1068
|
'#type' => 'select',
|
1069
|
'#options' => $this->languageOptions(),
|
1070
|
'#title' => t('Language'),
|
1071
|
'#required' => TRUE,
|
1072
|
'#default_value' => $this->config['language'],
|
1073
|
);
|
1074
|
|
1075
|
// Add default value as one of the options if not yet available.
|
1076
|
if (!isset($form['language']['#options'][$this->config['language']])) {
|
1077
|
$form['language']['#options'][$this->config['language']] = t('Unknown language: @language', array(
|
1078
|
'@language' => $this->config['language'],
|
1079
|
));
|
1080
|
}
|
1081
|
}
|
1082
|
|
1083
|
$tokens = array('@entities' => strtolower($info['label plural']));
|
1084
|
|
1085
|
$form['insert_new'] = array(
|
1086
|
'#type' => 'radios',
|
1087
|
'#title' => t('Insert new @entities', $tokens),
|
1088
|
'#description' => t('New @entities will be determined using mappings that are a "unique target".', $tokens),
|
1089
|
'#options' => array(
|
1090
|
FEEDS_INSERT_NEW => t('Insert new @entities', $tokens),
|
1091
|
FEEDS_SKIP_NEW => t('Do not insert new @entities', $tokens),
|
1092
|
),
|
1093
|
'#default_value' => $this->config['insert_new'],
|
1094
|
);
|
1095
|
|
1096
|
$form['update_existing'] = array(
|
1097
|
'#type' => 'radios',
|
1098
|
'#title' => t('Update existing @entities', $tokens),
|
1099
|
'#description' => t('Existing @entities will be determined using mappings that are a "unique target".', $tokens),
|
1100
|
'#options' => array(
|
1101
|
FEEDS_SKIP_EXISTING => t('Do not update existing @entities', $tokens),
|
1102
|
FEEDS_REPLACE_EXISTING => t('Replace existing @entities', $tokens),
|
1103
|
FEEDS_UPDATE_EXISTING => t('Update existing @entities', $tokens),
|
1104
|
),
|
1105
|
'#default_value' => $this->config['update_existing'],
|
1106
|
'#after_build' => array('feeds_processor_config_form_update_existing_after_build'),
|
1107
|
'#tokens' => $tokens,
|
1108
|
);
|
1109
|
global $user;
|
1110
|
$formats = filter_formats($user);
|
1111
|
foreach ($formats as $format) {
|
1112
|
$format_options[$format->format] = $format->name;
|
1113
|
}
|
1114
|
$form['skip_hash_check'] = array(
|
1115
|
'#type' => 'checkbox',
|
1116
|
'#title' => t('Skip hash check'),
|
1117
|
'#description' => t('Force update of items even if item source data did not change.'),
|
1118
|
'#default_value' => $this->config['skip_hash_check'],
|
1119
|
);
|
1120
|
$form['input_format'] = array(
|
1121
|
'#type' => 'select',
|
1122
|
'#title' => t('Text format'),
|
1123
|
'#description' => t('Select the default input format for the text fields of the nodes to be created.'),
|
1124
|
'#options' => $format_options,
|
1125
|
'#default_value' => isset($this->config['input_format']) ? $this->config['input_format'] : 'plain_text',
|
1126
|
'#required' => TRUE,
|
1127
|
);
|
1128
|
|
1129
|
$form['update_non_existent'] = array(
|
1130
|
'#type' => 'radios',
|
1131
|
'#title' => t('Action to take when previously imported @entities are missing in the feed', $tokens),
|
1132
|
'#description' => t('Select how @entities previously imported and now missing in the feed should be updated.', $tokens),
|
1133
|
'#options' => array(
|
1134
|
FEEDS_SKIP_NON_EXISTENT => t('Skip non-existent @entities', $tokens),
|
1135
|
FEEDS_DELETE_NON_EXISTENT => t('Delete non-existent @entities', $tokens),
|
1136
|
),
|
1137
|
'#default_value' => $this->config['update_non_existent'],
|
1138
|
);
|
1139
|
|
1140
|
return $form;
|
1141
|
}
|
1142
|
|
1143
|
/**
|
1144
|
* Get mappings.
|
1145
|
*
|
1146
|
* @return array
|
1147
|
* A list of configured mappings.
|
1148
|
*/
|
1149
|
public function getMappings() {
|
1150
|
$cache = &drupal_static('FeedsProcessor::getMappings', array());
|
1151
|
|
1152
|
if (!isset($cache[$this->id])) {
|
1153
|
$mappings = $this->config['mappings'];
|
1154
|
$targets = $this->getCachedTargets();
|
1155
|
$languages = $this->languageOptions();
|
1156
|
|
1157
|
foreach ($mappings as &$mapping) {
|
1158
|
|
1159
|
if (isset($targets[$mapping['target']]['preprocess_callbacks'])) {
|
1160
|
foreach ($targets[$mapping['target']]['preprocess_callbacks'] as $callback) {
|
1161
|
call_user_func_array($callback, array($targets[$mapping['target']], &$mapping));
|
1162
|
}
|
1163
|
}
|
1164
|
|
1165
|
// Ensure there's always a language set.
|
1166
|
if (empty($mapping['language'])) {
|
1167
|
$mapping['language'] = LANGUAGE_NONE;
|
1168
|
}
|
1169
|
else {
|
1170
|
// Check if the configured language is available. If not, fallback to
|
1171
|
// LANGUAGE_NONE.
|
1172
|
if (!isset($languages[$mapping['language']])) {
|
1173
|
$mapping['language'] = LANGUAGE_NONE;
|
1174
|
}
|
1175
|
}
|
1176
|
}
|
1177
|
|
1178
|
$cache[$this->id] = $mappings;
|
1179
|
}
|
1180
|
|
1181
|
return $cache[$this->id];
|
1182
|
}
|
1183
|
|
1184
|
/**
|
1185
|
* Declare possible mapping targets that this processor exposes.
|
1186
|
*
|
1187
|
* @ingroup mappingapi
|
1188
|
*
|
1189
|
* @return array
|
1190
|
* An array of mapping targets. Keys are paths to targets
|
1191
|
* separated by ->, values are TRUE if target can be unique,
|
1192
|
* FALSE otherwise.
|
1193
|
*/
|
1194
|
public function getMappingTargets() {
|
1195
|
|
1196
|
// The bundle has not been selected.
|
1197
|
if (!$this->bundle()) {
|
1198
|
$info = $this->entityInfo();
|
1199
|
$bundle_name = !empty($info['bundle name']) ? drupal_strtolower($info['bundle name']) : t('bundle');
|
1200
|
$plugin_key = feeds_importer($this->id)->config['processor']['plugin_key'];
|
1201
|
$url = url('admin/structure/feeds/' . $this->id . '/settings/' . $plugin_key);
|
1202
|
drupal_set_message(t('Please <a href="@url">select a @bundle_name</a>.', array('@url' => $url, '@bundle_name' => $bundle_name)), 'warning', FALSE);
|
1203
|
}
|
1204
|
|
1205
|
return array(
|
1206
|
'url' => array(
|
1207
|
'name' => t('URL'),
|
1208
|
'description' => t('The external URL of the item. E. g. the feed item URL in the case of a syndication feed. May be unique.'),
|
1209
|
'optional_unique' => TRUE,
|
1210
|
),
|
1211
|
'guid' => array(
|
1212
|
'name' => t('GUID'),
|
1213
|
'description' => t('The globally unique identifier of the item. E. g. the feed item GUID in the case of a syndication feed. May be unique.'),
|
1214
|
'optional_unique' => TRUE,
|
1215
|
),
|
1216
|
);
|
1217
|
}
|
1218
|
|
1219
|
/**
|
1220
|
* Allows other modules to expose targets.
|
1221
|
*
|
1222
|
* @param array &$targets
|
1223
|
* The existing target array.
|
1224
|
*/
|
1225
|
protected function getHookTargets(array &$targets) {
|
1226
|
self::loadMappers();
|
1227
|
|
1228
|
$entity_type = $this->entityType();
|
1229
|
$bundle = $this->bundle();
|
1230
|
$targets += module_invoke_all('feeds_processor_targets', $entity_type, $bundle);
|
1231
|
|
1232
|
drupal_alter('feeds_processor_targets', $targets, $entity_type, $bundle);
|
1233
|
}
|
1234
|
|
1235
|
/**
|
1236
|
* Set a concrete target element. Invoked from FeedsProcessor::map().
|
1237
|
*
|
1238
|
* @ingroup mappingapi
|
1239
|
*/
|
1240
|
public function setTargetElement(FeedsSource $source, $target_item, $target_element, $value) {
|
1241
|
switch ($target_element) {
|
1242
|
case 'url':
|
1243
|
case 'guid':
|
1244
|
$target_item->feeds_item->$target_element = $value;
|
1245
|
break;
|
1246
|
|
1247
|
default:
|
1248
|
$target_item->$target_element = $value;
|
1249
|
break;
|
1250
|
}
|
1251
|
}
|
1252
|
|
1253
|
/**
|
1254
|
* Retrieve the target entity's existing id if available. Otherwise return 0.
|
1255
|
*
|
1256
|
* @param FeedsSource $source
|
1257
|
* The source information about this import.
|
1258
|
* @param FeedsParserResult $result
|
1259
|
* A FeedsParserResult object.
|
1260
|
*
|
1261
|
* @return int
|
1262
|
* The serial id of an entity if found, 0 otherwise.
|
1263
|
*
|
1264
|
* @ingroup mappingapi
|
1265
|
*/
|
1266
|
protected function existingEntityId(FeedsSource $source, FeedsParserResult $result) {
|
1267
|
$targets = $this->getCachedTargets();
|
1268
|
|
1269
|
$entity_id = 0;
|
1270
|
|
1271
|
// Iterate through all unique targets and test whether they already exist in
|
1272
|
// the database.
|
1273
|
foreach ($this->uniqueTargets($source, $result) as $target => $value) {
|
1274
|
if ($target === 'guid' || $target === 'url') {
|
1275
|
$entity_id = db_select('feeds_item')
|
1276
|
->fields('feeds_item', array('entity_id'))
|
1277
|
->condition('feed_nid', $source->feed_nid)
|
1278
|
->condition('entity_type', $this->entityType())
|
1279
|
->condition('id', $source->id)
|
1280
|
->condition($target, $value)
|
1281
|
->execute()
|
1282
|
->fetchField();
|
1283
|
}
|
1284
|
|
1285
|
if (!$entity_id && !empty($targets[$target]['unique_callbacks'])) {
|
1286
|
if (!is_array($value)) {
|
1287
|
$value = array($value);
|
1288
|
}
|
1289
|
|
1290
|
foreach ($targets[$target]['unique_callbacks'] as $callback) {
|
1291
|
if ($entity_id = call_user_func($callback, $source, $this->entityType(), $this->bundle(), $target, $value)) {
|
1292
|
// Stop at the first unique ID returned by a callback.
|
1293
|
break;
|
1294
|
}
|
1295
|
}
|
1296
|
}
|
1297
|
|
1298
|
// Return with the content id found.
|
1299
|
if ($entity_id) {
|
1300
|
return $entity_id;
|
1301
|
}
|
1302
|
}
|
1303
|
|
1304
|
return $entity_id;
|
1305
|
}
|
1306
|
|
1307
|
/**
|
1308
|
* Returns all mapping targets that are marked as unique.
|
1309
|
*
|
1310
|
* @param FeedsSource $source
|
1311
|
* The source information about this import.
|
1312
|
* @param FeedsParserResult $result
|
1313
|
* A FeedsParserResult object.
|
1314
|
*
|
1315
|
* @return array
|
1316
|
* An array where the keys are target field names and the values are the
|
1317
|
* elements from the source item mapped to these targets.
|
1318
|
*/
|
1319
|
protected function uniqueTargets(FeedsSource $source, FeedsParserResult $result) {
|
1320
|
$parser = feeds_importer($this->id)->parser;
|
1321
|
$targets = array();
|
1322
|
foreach ($this->getMappings() as $mapping) {
|
1323
|
if (!empty($mapping['unique'])) {
|
1324
|
// Invoke the parser's getSourceElement to retrieve the value for this
|
1325
|
// mapping's source.
|
1326
|
$targets[$mapping['target']] = $parser->getSourceElement($source, $result, $mapping['source']);
|
1327
|
}
|
1328
|
}
|
1329
|
return $targets;
|
1330
|
}
|
1331
|
|
1332
|
/**
|
1333
|
* Adds Feeds specific information on $entity->feeds_item.
|
1334
|
*
|
1335
|
* @param object $entity
|
1336
|
* The entity object to be populated with new item info.
|
1337
|
* @param int $feed_nid
|
1338
|
* The feed nid of the source that produces this entity.
|
1339
|
* @param string $hash
|
1340
|
* The fingerprint of the source item.
|
1341
|
*/
|
1342
|
protected function newItemInfo($entity, $feed_nid, $hash = '') {
|
1343
|
$entity->feeds_item = new stdClass();
|
1344
|
$entity->feeds_item->is_new = TRUE;
|
1345
|
$entity->feeds_item->entity_id = 0;
|
1346
|
$entity->feeds_item->entity_type = $this->entityType();
|
1347
|
$entity->feeds_item->id = $this->id;
|
1348
|
$entity->feeds_item->feed_nid = $feed_nid;
|
1349
|
$entity->feeds_item->imported = REQUEST_TIME;
|
1350
|
$entity->feeds_item->hash = $hash;
|
1351
|
$entity->feeds_item->url = '';
|
1352
|
$entity->feeds_item->guid = '';
|
1353
|
}
|
1354
|
|
1355
|
/**
|
1356
|
* Loads existing entity information and places it on $entity->feeds_item.
|
1357
|
*
|
1358
|
* @param object $entity
|
1359
|
* The entity object to load item info for. Id key must be present.
|
1360
|
*
|
1361
|
* @return bool
|
1362
|
* TRUE if item info could be loaded, false if not.
|
1363
|
*/
|
1364
|
protected function loadItemInfo($entity) {
|
1365
|
$entity_info = entity_get_info($this->entityType());
|
1366
|
$key = $entity_info['entity keys']['id'];
|
1367
|
if ($item_info = feeds_item_info_load($this->entityType(), $entity->$key)) {
|
1368
|
$entity->feeds_item = $item_info;
|
1369
|
return TRUE;
|
1370
|
}
|
1371
|
return FALSE;
|
1372
|
}
|
1373
|
|
1374
|
/**
|
1375
|
* Create MD5 hash of item and mappings array.
|
1376
|
*
|
1377
|
* Include mappings as a change in mappings may have an affect on the item
|
1378
|
* produced.
|
1379
|
*
|
1380
|
* @return string
|
1381
|
* A hash is always returned, even when the item is empty, NULL or FALSE.
|
1382
|
*/
|
1383
|
protected function hash($item) {
|
1384
|
$sources = feeds_importer($this->id)->parser->getMappingSourceList();
|
1385
|
$mapped_item = array_intersect_key($item, array_flip($sources));
|
1386
|
return hash('md5', serialize($mapped_item) . serialize($this->getMappings()));
|
1387
|
}
|
1388
|
|
1389
|
/**
|
1390
|
* Retrieves the MD5 hash of $entity_id from the database.
|
1391
|
*
|
1392
|
* @return string
|
1393
|
* Empty string if no item is found, hash otherwise.
|
1394
|
*/
|
1395
|
protected function getHash($entity_id) {
|
1396
|
|
1397
|
if ($hash = db_query("SELECT hash FROM {feeds_item} WHERE entity_type = :type AND entity_id = :id", array(':type' => $this->entityType(), ':id' => $entity_id))->fetchField()) {
|
1398
|
// Return with the hash.
|
1399
|
return $hash;
|
1400
|
}
|
1401
|
return '';
|
1402
|
}
|
1403
|
|
1404
|
/**
|
1405
|
* DEPRECATED: Creates a log message for exceptions during import.
|
1406
|
*
|
1407
|
* Don't use this method as it concatenates user variables into the log
|
1408
|
* message, which will pollute the locales_source table when the log message
|
1409
|
* is translated. Use ::createLogEntry instead.
|
1410
|
*
|
1411
|
* @param Exception $e
|
1412
|
* The exception that was throwned during processing the item.
|
1413
|
* @param object $entity
|
1414
|
* The entity object.
|
1415
|
* @param object $item
|
1416
|
* The parser result for this entity.
|
1417
|
*
|
1418
|
* @return string
|
1419
|
* The message to log.
|
1420
|
*
|
1421
|
* @deprecated
|
1422
|
* Use ::createLogEntry instead.
|
1423
|
*/
|
1424
|
protected function createLogMessage(Exception $e, $entity, $item) {
|
1425
|
$message = $e->getMessage();
|
1426
|
$message .= '<h3>Original item</h3>';
|
1427
|
// $this->exportObjectVars() already runs check_plain() for us, so we can
|
1428
|
// concatenate here as is.
|
1429
|
$message .= '<pre>' . $this->exportObjectVars($item) . '</pre>';
|
1430
|
$message .= '<h3>Entity</h3>';
|
1431
|
$message .= '<pre>' . $this->exportObjectVars($entity) . '</pre>';
|
1432
|
|
1433
|
return $message;
|
1434
|
}
|
1435
|
|
1436
|
/**
|
1437
|
* Creates a log entry for when an exception occurred during import.
|
1438
|
*
|
1439
|
* @param Exception $e
|
1440
|
* The exception that was throwned during processing the item.
|
1441
|
* @param object $entity
|
1442
|
* The entity object.
|
1443
|
* @param array $item
|
1444
|
* The parser result for this entity.
|
1445
|
*
|
1446
|
* @return array
|
1447
|
* The message and arguments to log.
|
1448
|
*/
|
1449
|
protected function createLogEntry(Exception $e, $entity, $item) {
|
1450
|
$message = '@exception';
|
1451
|
$message .= '<h3>Original item</h3>';
|
1452
|
$message .= '<pre>!item</pre>';
|
1453
|
$message .= '<h3>Entity</h3>';
|
1454
|
$message .= '<pre>!entity</pre>';
|
1455
|
$arguments = array(
|
1456
|
'@exception' => $e->getMessage(),
|
1457
|
// $this->exportObjectVars() already runs check_plain() for us, so we can
|
1458
|
// use the "!" placeholder.
|
1459
|
'!item' => $this->exportObjectVars($item),
|
1460
|
'!entity' => $this->exportObjectVars($entity),
|
1461
|
);
|
1462
|
|
1463
|
return array($message, $arguments);
|
1464
|
}
|
1465
|
|
1466
|
/**
|
1467
|
* Returns a string representation of an object or array for log messages.
|
1468
|
*
|
1469
|
* @param object|array $object
|
1470
|
* The object to convert.
|
1471
|
*
|
1472
|
* @return string
|
1473
|
* The sanitized string representation of the object.
|
1474
|
*/
|
1475
|
protected function exportObjectVars($object) {
|
1476
|
include_once DRUPAL_ROOT . '/includes/utility.inc';
|
1477
|
|
1478
|
$out = is_array($object) ? $object : get_object_vars($object);
|
1479
|
$out = array_filter($out, 'is_scalar');
|
1480
|
|
1481
|
foreach ($out as $key => $value) {
|
1482
|
if (is_string($value)) {
|
1483
|
if (function_exists('mb_check_encoding') && !mb_check_encoding($value, 'UTF-8')) {
|
1484
|
$value = utf8_encode($value);
|
1485
|
}
|
1486
|
$out[$key] = truncate_utf8($value, 100, FALSE, TRUE);
|
1487
|
}
|
1488
|
}
|
1489
|
|
1490
|
if (is_array($object)) {
|
1491
|
return check_plain(drupal_var_export($out));
|
1492
|
}
|
1493
|
|
1494
|
return check_plain(drupal_var_export((object) $out));
|
1495
|
}
|
1496
|
|
1497
|
/**
|
1498
|
* Overrides FeedsPlugin::dependencies().
|
1499
|
*/
|
1500
|
public function dependencies() {
|
1501
|
$dependencies = parent::dependencies();
|
1502
|
|
1503
|
// Find out which module defined the entity type.
|
1504
|
$info = $this->entityInfo();
|
1505
|
if (isset($info['module'])) {
|
1506
|
$dependencies[$info['module']] = $info['module'];
|
1507
|
}
|
1508
|
|
1509
|
return $dependencies;
|
1510
|
}
|
1511
|
|
1512
|
}
|
1513
|
|
1514
|
/**
|
1515
|
* Form after build callback for the field "update_existing".
|
1516
|
*
|
1517
|
* Adds descriptions to options of this field.
|
1518
|
*/
|
1519
|
function feeds_processor_config_form_update_existing_after_build($field) {
|
1520
|
$field[FEEDS_REPLACE_EXISTING]['#description'] = t('Loads records directly from the database, bypassing the Entity API. Faster, but use with caution.');
|
1521
|
$field[FEEDS_UPDATE_EXISTING]['#description'] = t('Loads complete @entities using the Entity API for full integration with other modules. Slower, but most reliable.', $field['#tokens']);
|
1522
|
return $field;
|
1523
|
}
|