Repository navigation
Expand file tree
/
Copy pathdatabase.php
More file actions
542 lines (461 loc) · 12.9 KB
/
Copy pathdatabase.php
File metadata and controls
542 lines (461 loc) · 12.9 KB
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
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
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
<?php
/**
* Database interface.
* @package Writing_On_GitHub
*/
/**
* Class Writing_On_GitHub_Database
*/
class Writing_On_GitHub_Database {
/**
* Application container.
*
* @var Writing_On_GitHub
*/
protected $app;
/**
* Currently whitelisted post types.
*
* @var array
*/
protected $whitelisted_post_types = array( 'post', 'page' );
/**
* Currently whitelisted post statuses.
*
* @var array
*/
protected $whitelisted_post_statuses = array( 'publish' );
/**
* Instantiates a new Database object.
*
* @param Writing_On_GitHub $app Application container.
*/
public function __construct( Writing_On_GitHub $app ) {
$this->app = $app;
}
/**
* Queries the database for all of the supported posts.
*
* @return Writing_On_GitHub_Post[]|WP_Error
*/
public function fetch_all_supported() {
$args = array(
'post_type' => $this->get_whitelisted_post_types(),
'post_status' => $this->get_whitelisted_post_statuses(),
'nopaging' => true,
'fields' => 'ids',
);
$query = new WP_Query( apply_filters( 'wogh_pre_fetch_all_supported', $args ) );
$post_ids = $query->get_posts();
if ( ! $post_ids ) {
return new WP_Error(
'no_results',
__( 'Querying for supported posts returned no results.', 'writing-on-github' )
);
}
$results = array();
foreach ( $post_ids as $post_id ) {
// Do not export posts that have already been exported
if ( ! get_post_meta( $post_id, '_wogh_sha', true ) ||
! get_post_meta( $post_id, '_wogh_github_path', true) ) {
$results[] = new Writing_On_GitHub_Post( $post_id, $this->app->api() );
}
}
return $results;
}
/**
* Queries a post and returns it if it's supported.
*
* @param int $post_id Post ID to fetch.
*
* @return WP_Error|Writing_On_GitHub_Post
*/
public function fetch_by_id( $post_id ) {
$post = new Writing_On_GitHub_Post( $post_id, $this->app->api() );
if ( ! $this->is_post_supported( $post ) ) {
return new WP_Error(
'unsupported_post',
sprintf(
__(
'Post ID %s is not supported by WOGH. See wiki to find out how to add support.',
'writing-on-github'
),
$post_id
)
);
}
return $post;
}
/**
* Saves an array of Post objects to the database
* and associates their author as well as their latest
*
* @param Writing_On_GitHub_Post[] $posts Array of Posts to save.
* @param string $email Author email.
*
* @return string|WP_Error
*/
public function save_posts( array $posts ) {
/**
* Whether an error has occurred.
*
* @var WP_Error|false $error
*/
$error = false;
foreach ( $posts as $post ) {
$args = apply_filters( 'wogh_pre_import_args', $this->post_args( $post ), $post );
remove_filter('content_save_pre', 'wp_filter_post_kses');
$post_id = $post->is_new() ?
wp_insert_post( $args, true ) :
wp_update_post( $args, true );
add_filter('content_save_pre', 'wp_filter_post_kses');
if ( is_wp_error( $post_id ) ) {
if ( ! $error ) {
$error = $post_id;
} else {
$error->add( $post_id->get_error_code(), $post_id->get_error_message() );
}
// Abort saving if updating the post fails.
continue;
}
// $this->set_revision_author( $post_id, $user_id );
if ( $post->is_new() ) {
$author = false;
$meta = $post->get_meta();
if ( ! empty( $meta ) && ! empty( $meta['author'] ) ) {
$author = $meta['author'];
}
$user = $this->fetch_commit_user( $author );
$user_id = ! is_wp_error( $user ) ? $user->ID : 0;
$this->set_post_author( $post_id, $user_id );
}
$post->set_post( get_post( $post_id ) );
$meta = apply_filters( 'wogh_pre_import_meta', $post->get_meta(), $post );
unset( $meta['tags'] );
unset( $meta['categories'] );
unset( $meta['author'] );
unset( $meta['post_date'] );
unset( $meta['post_excerpt'] );
unset( $meta['permalink'] );
foreach ( $meta as $key => $value ) {
update_post_meta( $post_id, $key, $value );
}
}
if ( $error ) {
return $error;
}
return __( 'Successfully saved posts.', 'writing-on-github' );
}
protected function post_args( $post ) {
$args = $post->get_args();
$meta = $post->get_meta();
// update tags
if ( isset( $meta['tags'] ) && $meta['tags'] ) {
$args['tags_input'] = $meta['tags'];
}
// update categories
if ( isset( $meta['categories'] ) && $meta['categories'] ) {
$categories = $meta['categories'];
if (!is_array($categories)) {
$categories = array($categories);
}
$terms = get_terms(array(
'taxonomy' => 'category',
'fields' => 'id=>name',
'hide_empty' => 0,
'name' => $categories
)
);
$map = array();
foreach ($categories as $name) {
$map[$name] = 1;
}
$ids = array();
if (!empty($terms)) {
foreach ($terms as $id => $name) {
$ids[] = $id;
unset($map[$name]);
}
}
// create new terms
if (!empty($map)) {
foreach ($map as $name => $value) {
$term = wp_insert_term($name, 'category', array('parent' => 0));
// array('term_id' => $term_id, 'term_taxonomy_id' => $tt_id);
$ids[] = $term['term_id'];
}
}
$args['post_category'] = $ids;
}
return $args;
}
/**
* Deletes a post from the database based on its GitHub path.
*
* @param string $path Path of Post to delete.
*
* @return string|WP_Error
*/
public function delete_post_by_path( $path ) {
$query = new WP_Query( array(
'meta_key' => '_wogh_github_path',
'meta_value' => $path,
'meta_compare' => '=',
'posts_per_page' => 1,
'fields' => 'ids',
) );
$post_id = $query->get_posts();
$post_id = array_pop( $post_id );
if ( ! $post_id ) {
$parts = explode( '/', $path );
$filename = array_pop( $parts );
$directory = $parts ? array_shift( $parts ) : '';
if ( false !== strpos( $directory, 'post' ) ) {
preg_match( '/([0-9]{4})-([0-9]{2})-([0-9]{2})-(.*)\.md/', $filename, $matches );
$title = $matches[4];
$query = new WP_Query( array(
'name' => $title,
'posts_per_page' => 1,
'post_type' => $this->get_whitelisted_post_types(),
'fields' => 'ids',
) );
$post_id = $query->get_posts();
$post_id = array_pop( $post_id );
}
if ( ! $post_id ) {
preg_match( '/(.*)\.md/', $filename, $matches );
$title = $matches[1];
$query = new WP_Query( array(
'name' => $title,
'posts_per_page' => 1,
'post_type' => $this->get_whitelisted_post_types(),
'fields' => 'ids',
) );
$post_id = $query->get_posts();
$post_id = array_pop( $post_id );
}
}
if ( ! $post_id ) {
return new WP_Error(
'path_not_found',
sprintf(
__( 'Post not found for path %s.', 'writing-on-github' ),
$path
)
);
}
$result = wp_delete_post( $post_id );
// If deleting fails...
if ( false === $result ) {
$post = get_post( $post_id );
// ...and the post both exists and isn't in the trash...
if ( $post && 'trash' !== $post->post_status ) {
// ... then something went wrong.
return new WP_Error(
'db_error',
sprintf(
__( 'Failed to delete post ID %d.', 'writing-on-github' ),
$post_id
)
);
}
}
return sprintf(
__( 'Successfully deleted post ID %d.', 'writing-on-github' ),
$post_id
);
}
public function delete_post( $post_id ) {
$result = wp_delete_post( $post_id );
// If deleting fails...
if ( false === $result ) {
$post = get_post( $post_id );
// ...and the post both exists and isn't in the trash...
if ( $post && 'trash' !== $post->post_status ) {
// ... then something went wrong.
return new WP_Error(
'db_error',
sprintf(
__( 'Failed to delete post ID %d.', 'writing-on-github' ),
$post_id
)
);
}
}
return sprintf(
__( 'Successfully deleted post ID %d.', 'writing-on-github' ),
$post_id
);
}
/**
* Returns the list of post type permitted.
*
* @return array
*/
protected function get_whitelisted_post_types() {
return apply_filters( 'wogh_whitelisted_post_types', $this->whitelisted_post_types );
}
/**
* Returns the list of post status permitted.
*
* @return array
*/
protected function get_whitelisted_post_statuses() {
return apply_filters( 'wogh_whitelisted_post_statuses', $this->whitelisted_post_statuses );
}
/**
* Formats a whitelist array for a query.
*
* @param array $whitelist Whitelisted posts to format into query.
*
* @return string Whitelist formatted for query
*/
protected function format_for_query( $whitelist ) {
foreach ( $whitelist as $key => $value ) {
$whitelist[ $key ] = "'$value'";
}
return implode( ', ', $whitelist );
}
/**
* Verifies that both the post's status & type
* are currently whitelisted
*
* @param Writing_On_GitHub_Post $post Post to verify.
*
* @return boolean True if supported, false if not.
*/
protected function is_post_supported( Writing_On_GitHub_Post $post ) {
if ( wp_is_post_revision( $post->id ) ) {
return false;
}
// We need to allow trashed posts to be queried, but they are not whitelisted for export.
if ( ! in_array( $post->status(), $this->get_whitelisted_post_statuses() ) && 'trash' !== $post->status() ) {
return false;
}
if ( ! in_array( $post->type(), $this->get_whitelisted_post_types() ) ) {
return false;
}
if ( $post->has_password() ) {
return false;
}
return apply_filters( 'wogh_is_post_supported', true, $post );
}
/**
* Retrieves the commit user for a provided display name
*
* Searches for a user with provided display name or returns
* the default user saved in the database.
*
* @param string $display_name User display name to search for.
*
* @return WP_Error|WP_User
*/
protected function fetch_commit_user( $display_name ) {
// If we can't find a user and a default hasn't been set,
// we're just going to set the revision author to 0.
$user = false;
if ( ! empty( $display_name ) ) {
$search_string = esc_attr( $display_name );
$query = new WP_User_Query( array(
'search' => "{$search_string}",
'search_columns' => array(
'display_name',
'user_nicename',
'user_login',
)
) );
$users = $query->get_results();
$user = empty($users) ? false : $users[0];
}
if ( ! $user ) {
// Use the default user.
$user = get_user_by( 'id', (int) get_option( 'wogh_default_user' ) );
}
if ( ! $user ) {
return new WP_Error(
'user_not_found',
sprintf(
__( 'Commit user not found for email %s', 'writing-on-github' ),
$email
)
);
}
return $user;
}
/**
* Sets the author latest revision
* of the provided post ID to the provided user.
*
* @param int $post_id Post ID to update revision author.
* @param int $user_id User ID for revision author.
*
* @return string|WP_Error
*/
protected function set_revision_author( $post_id, $user_id ) {
$revision = wp_get_post_revisions( $post_id );
if ( ! $revision ) {
$new_revision = wp_save_post_revision( $post_id );
if ( ! $new_revision || is_wp_error( $new_revision ) ) {
return new WP_Error( 'db_error', 'There was a problem saving a new revision.' );
}
// `wp_save_post_revision` returns the ID, whereas `get_post_revision` returns the whole object
// in order to be consistent, let's make sure we have the whole object before continuing.
$revision = get_post( $new_revision );
if ( ! $revision ) {
return new WP_Error( 'db_error', 'There was a problem retrieving the newly recreated revision.' );
}
} else {
$revision = array_shift( $revision );
}
return $this->set_post_author( $revision->ID, $user_id );
}
/**
* Updates the user ID for the provided post ID.
*
* Bypassing triggering any hooks, including creating new revisions.
*
* @param int $post_id Post ID to update.
* @param int $user_id User ID to update to.
*
* @return string|WP_Error
*/
protected function set_post_author( $post_id, $user_id ) {
global $wpdb;
$result = $wpdb->update(
$wpdb->posts,
array(
'post_author' => (int) $user_id,
),
array(
'ID' => (int) $post_id,
),
array( '%d' ),
array( '%d' )
);
if ( false === $result ) {
return new WP_Error( 'db_error', $wpdb->last_error );
}
if ( 0 === $result ) {
return sprintf(
__( 'No change for post ID %d.', 'writing-on-github' ),
$post_id
);
}
clean_post_cache( $post_id );
return sprintf(
__( 'Successfully updated post ID %d.', 'writing-on-github' ),
$post_id
);
}
/**
* Update the provided post's blob sha.
*
* @param Writing_On_GitHub_Post $post Post to update.
* @param string $sha Sha to update to.
*
* @return bool|int
*/
public function set_post_sha( $post, $sha ) {
return update_post_meta( $post->id, '_wogh_sha', $sha );
}
}