summaryrefslogtreecommitdiffstats
path: root/core/modules/migrate/src/Row.php
blob: 83e97b130d8e062e31d17c442e4d44e29b598960 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
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
<?php

namespace Drupal\migrate;

use Drupal\Component\Utility\NestedArray;
use Drupal\migrate\Plugin\MigrateIdMapInterface;

/**
 * Stores a row.
 */
class Row {

  /**
   * The actual values of the source row.
   *
   * @var array
   */
  protected $source = [];

  /**
   * The source identifiers.
   *
   * @var array
   */
  protected $sourceIds = [];

  /**
   * The destination values.
   *
   * @var array
   */
  protected $destination = [];

  /**
   * Level separator of destination and source properties.
   */
  const PROPERTY_SEPARATOR = '/';

  /**
   * The mapping between source and destination identifiers.
   *
   * @var array
   */
  protected $idMap = [
    'original_hash' => '',
    'hash' => '',
    'source_row_status' => MigrateIdMapInterface::STATUS_NEEDS_UPDATE,
  ];

  /**
   * Whether the source has been frozen already.
   *
   * Once frozen the source can not be changed any more.
   *
   * @var bool
   */
  protected $frozen = FALSE;

  /**
   * The raw destination properties.
   *
   * Unlike $destination which is set by using
   * \Drupal\Component\Utility\NestedArray::setValue() this array contains
   * the destination as setDestinationProperty was called.
   *
   * @var array
   *   The raw destination.
   *
   * @see getRawDestination()
   */
  protected $rawDestination = [];

  /**
   * TRUE when this row is a stub.
   *
   * @var bool
   */
  protected $isStub = FALSE;

  /**
   * The empty destination properties.
   *
   * @var array
   */
  protected $emptyDestinationProperties = [];

  /**
   * Constructs a \Drupal\Migrate\Row object.
   *
   * @param array $values
   *   An array of values to add as properties on the object.
   * @param array $source_ids
   *   An array containing the IDs of the source using the keys as the field
   *   names.
   * @param bool $is_stub
   *   TRUE if the row being created is a stub.
   *
   * @throws \InvalidArgumentException
   *   Thrown when a source ID property does not exist.
   */
  public function __construct(array $values = [], array $source_ids = [], $is_stub = FALSE) {
    $this->source = $values;
    $this->sourceIds = $source_ids;
    $this->isStub = $is_stub;
    foreach (array_keys($source_ids) as $id) {
      if (!$this->hasSourceProperty($id)) {
        throw new \InvalidArgumentException("$id has no value");
      }
    }
  }

  /**
   * Retrieves the values of the source identifiers.
   *
   * @return array
   *   An array containing the values of the source identifiers. Returns values
   *   in the same order as defined in $this->sourceIds.
   */
  public function getSourceIdValues() {
    return array_merge($this->sourceIds, array_intersect_key($this->source, $this->sourceIds));
  }

  /**
   * Determines whether a source has a property.
   *
   * @param string $property
   *   A property on the source.
   *
   * @return bool
   *   TRUE if the source has property; FALSE otherwise.
   */
  public function hasSourceProperty($property) {
    return NestedArray::keyExists($this->source, explode(static::PROPERTY_SEPARATOR, $property));
  }

  /**
   * Retrieves a source property.
   *
   * @param string $property
   *   A property on the source.
   *
   * @return mixed|null
   *   The found returned property or NULL if not found.
   */
  public function getSourceProperty($property) {
    $return = NestedArray::getValue($this->source, explode(static::PROPERTY_SEPARATOR, $property), $key_exists);
    if ($key_exists) {
      return $return;
    }
  }

  /**
   * Returns the whole source array.
   *
   * @return array
   *   An array of source plugins.
   */
  public function getSource() {
    return $this->source;
  }

  /**
   * Sets a source property.
   *
   * This can only be called from the source plugin.
   *
   * @param string $property
   *   A property on the source.
   * @param mixed $data
   *   The property value to set on the source.
   *
   * @throws \Exception
   */
  public function setSourceProperty($property, $data) {
    if ($this->frozen) {
      throw new \Exception("The source is frozen and can't be changed any more");
    }
    else {
      NestedArray::setValue($this->source, explode(static::PROPERTY_SEPARATOR, $property), $data, TRUE);
    }
  }

  /**
   * Freezes the source.
   *
   * @return $this
   */
  public function freezeSource() {
    $this->frozen = TRUE;
    return $this;
  }

  /**
   * Clones the row with an empty set of destination values.
   *
   * @return static
   */
  public function cloneWithoutDestination() {
    return (new static($this->getSource(), $this->sourceIds, $this->isStub()))->freezeSource();
  }

  /**
   * Tests if destination property exists.
   *
   * @param array|string $property
   *   An array of properties on the destination.
   *
   * @return bool
   *   TRUE if the destination property exists.
   */
  public function hasDestinationProperty($property) {
    return NestedArray::keyExists($this->destination, explode(static::PROPERTY_SEPARATOR, $property));
  }

  /**
   * Sets destination properties.
   *
   * @param string $property
   *   The name of the destination property.
   * @param mixed $value
   *   The property value to set on the destination.
   */
  public function setDestinationProperty($property, $value) {
    $this->rawDestination[$property] = $value;
    NestedArray::setValue($this->destination, explode(static::PROPERTY_SEPARATOR, $property), $value, TRUE);
  }

  /**
   * Removes destination property.
   *
   * @param string $property
   *   The name of the destination property.
   */
  public function removeDestinationProperty($property) {
    unset($this->rawDestination[$property]);
    NestedArray::unsetValue($this->destination, explode(static::PROPERTY_SEPARATOR, $property));
  }

  /**
   * Sets a destination to be empty.
   *
   * @param string $property
   *   The destination property.
   */
  public function setEmptyDestinationProperty($property) {
    $this->emptyDestinationProperties[] = $property;
  }

  /**
   * Gets the empty destination properties.
   *
   * @return array
   *   An array of destination properties.
   */
  public function getEmptyDestinationProperties() {
    return $this->emptyDestinationProperties;
  }

  /**
   * Returns the whole destination array.
   *
   * @return array
   *   An array of destination values.
   */
  public function getDestination() {
    return $this->destination;
  }

  /**
   * Returns the raw destination. Rarely necessary.
   *
   * For example calling setDestination('foo/bar', 'baz') results in
   * @code
   * $this->destination['foo']['bar'] = 'baz';
   * $this->rawDestination['foo/bar'] = 'baz';
   * @endcode
   *
   * @return array
   *   The raw destination values.
   */
  public function getRawDestination() {
    return $this->rawDestination;
  }

  /**
   * Returns the value of a destination property.
   *
   * @param string $property
   *   The name of a property on the destination.
   *
   * @return mixed
   *   The destination value.
   */
  public function getDestinationProperty($property) {
    return NestedArray::getValue($this->destination, explode(static::PROPERTY_SEPARATOR, $property));
  }

  /**
   * Sets the Migrate ID mappings.
   *
   * @param array $id_map
   *   An array of mappings between source ID and destination ID.
   */
  public function setIdMap(array $id_map) {
    $this->idMap = $id_map;
  }

  /**
   * Retrieves the Migrate ID mappings.
   *
   * @return array
   *   An array of mapping between source and destination identifiers.
   */
  public function getIdMap() {
    return $this->idMap;
  }

  /**
   * Recalculates the hash for the row.
   */
  public function rehash() {
    $this->idMap['original_hash'] = $this->idMap['hash'];
    $this->idMap['hash'] = hash('sha256', serialize($this->source));
  }

  /**
   * Checks whether the row has changed compared to the original ID map.
   *
   * @return bool
   *   TRUE if the row has changed, FALSE otherwise. If setIdMap() was not
   *   called, this always returns FALSE.
   */
  public function changed() {
    return $this->idMap['original_hash'] != $this->idMap['hash'];
  }

  /**
   * Returns if this row needs an update.
   *
   * @return bool
   *   TRUE if the row needs updating, FALSE otherwise.
   */
  public function needsUpdate() {
    return $this->idMap['source_row_status'] == MigrateIdMapInterface::STATUS_NEEDS_UPDATE;
  }

  /**
   * Returns the hash for the source values..
   *
   * @return mixed
   *   The hash of the source values.
   */
  public function getHash() {
    return $this->idMap['hash'];
  }

  /**
   * Reports whether this row is a stub.
   *
   * @return bool
   *   The current stub value.
   */
  public function isStub() {
    return $this->isStub;
  }

}