forked from designwall/dw-question-answer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
database_upgrade.php
624 lines (562 loc) · 28.4 KB
/
database_upgrade.php
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
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
<?php
global $dwqa_db_version;
function dwqa_get_question_field( $field, $question_id = false ) {
global $dwqa_database_upgrade;
if ( ! $question_id ) {
$question_id = get_the_ID();
}
return $dwqa_database_upgrade->get_question_field( $field, $question_id );
}
class DWQA_Database_Upgrade {
public $db_version = '1.3.3';
public $table = 'dwqa_question_index';
public $temp = false;
public function __construct() {
global $wpdb;
add_action( 'admin_menu', array( $this, 'add_menu' ) );
$this->table = $wpdb->prefix . $this->table;
add_action( 'wp_ajax_dwqa_upgrade_database', array( $this, 'create_table' ) );
if ( $this->db_version != get_option( 'dwqa_db_version' ) ) {
update_option( 'dwqa_db_version', $this->db_version );
}
// Replace old data by new table
if ( dwqa_table_exists( $this->table ) ) {
remove_filter( 'dwqa-prepare-archive-posts', 'dwqa_prepare_archive_posts' );
remove_filter( 'dwqa-after-archive-posts', 'dwqa-after-archive-posts' );
add_action( 'dwqa-prepare-archive-posts', array( $this, 'prepare_archive_posts') );
add_action( 'dwqa-after-archive-posts', array( $this, 'after_archive_posts' ) );
//Filter update table
add_action( 'save_post', array( $this, 'update_question' ) );
add_action( 'before_delete_post', array( $this, 'delete_question') );
add_action( 'before_delete_post', array( $this, 'delete_answer') );
add_action( 'dwqa_add_answer', array( $this, 'answers_change' ) );
add_action( 'dwqa_update_answer', array( $this, 'answers_change') );
add_action( 'update_postmeta', array( $this, 'update_question_metadata' ), 10, 4 );
}
}
/**
* Create Index Table
*/
public function create_table(){
global $wpdb;
$offset = isset( $_GET['offset'] ) ? intval( $_GET['offset'] ) : 0;
$posts_per_round = 100;
$dwqa_table = $this->table;
$questions_count = wp_count_posts( 'dwqa-question' );
$total = $questions_count->publish + $questions_count->private;
$start = microtime(true);
$query_create_table = "CREATE TABLE IF NOT EXISTS {$dwqa_table} (
`ID` bigint(20) unsigned NOT NULL,
`post_author` bigint(20) NOT NULL DEFAULT 0,
`post_date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`post_date_gmt` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`post_content` longtext NOT NULL DEFAULT '',
`post_title` text NOT NULL DEFAULT '',
`post_excerpt` text NOT NULL DEFAULT '',
`post_status` varchar(20) NOT NULL DEFAULT 'publish',
`comment_status` varchar(20) NOT NULL DEFAULT 'open',
`ping_status` varchar(20) NOT NULL DEFAULT 'open',
`post_password` varchar(20) NOT NULL,
`post_name` varchar(200) NOT NULL,
`to_ping` text NOT NULL DEFAULT '',
`pinged` text NOT NULL DEFAULT '',
`post_modified` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`post_modified_gmt` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`post_content_filtered` longtext NOT NULL DEFAULT '',
`post_parent` bigint(20) NOT NULL DEFAULT 0,
`guid` varchar(255) NOT NULL,
`menu_order` int(11) NOT NULL DEFAULT 0,
`post_type` varchar(20) NOT NULL DEFAULT 'dwqa-question',
`post_mime_type` varchar(100) NOT NULL,
`comment_count` bigint(20) NOT NULL DEFAULT 0,
`last_activity_date` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
`last_activity_author` bigint(20) unsigned NOT NULL DEFAULT '0',
`last_activity_type` varchar(255) NOT NULL DEFAULT 'create',
`last_activity_id` bigint(20) unsigned NOT NULL DEFAULT '0',
`answers` varchar(255),
`answer_count` bigint(20) NOT NULL DEFAULT '0',
`publish_answer_count` bigint(20) NOT NULL DEFAULT '0',
`private_answer_count` bigint(20) NOT NULL DEFAULT '0',
`view_count` bigint(20) NOT NULL DEFAULT '0',
`vote_count` bigint(20) NOT NULL DEFAULT '0',
PRIMARY KEY (`ID`)
);";
$table = $wpdb->query( $query_create_table );
if ( $table ) {
if ( $offset == 0 ) {
$clear_table = "DELETE FROM {$dwqa_table}";
$wpdb->query( $clear_table );
}
$query_questions_table = "FROM {$wpdb->posts} WHERE post_type = 'dwqa-question' AND post_status IN ( 'publish', 'private' ) ORDER BY post_date DESC LIMIT {$offset},{$posts_per_round}";
$query_questions = "SELECT ID " . $query_questions_table;
$import_ids = $wpdb->get_results( "SELECT ID {$query_questions_table}" );
$posts__in = array();
foreach ( $import_ids as $id ) {
$posts__in[] = $id->ID;
}
$posts__in = implode(',', $posts__in );
// Insert Question ID, title
$query_insert_questions = "INSERT INTO {$dwqa_table} ( ID, post_author, post_date, post_date_gmt, post_content, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_content_filtered, post_parent, guid, menu_order, post_type, post_mime_type, comment_count ) SELECT * " . $query_questions_table;
$wpdb->query( $query_insert_questions );
// Update View Count
$query_view_count = "UPDATE {$dwqa_table} as new_table
JOIN ( SELECT `insert_questions`.ID, `meta`.meta_value
FROM {$wpdb->postmeta} as meta
JOIN ( {$query_questions} ) as insert_questions
ON `meta`.post_id = `insert_questions`.ID
WHERE meta_key = '_dwqa_views'
) AS view
ON `new_table`.ID = `view`.ID
SET `new_table`.view_count = `view`.meta_value";
$wpdb->query( $query_view_count );
// Update Vote
$query_vote_count = "UPDATE {$dwqa_table} as new_table
JOIN ( SELECT ID, `meta`.meta_value
FROM {$wpdb->postmeta} as meta
JOIN ( {$query_questions} ) as insert_questions
ON `meta`.post_id = `insert_questions`.ID
WHERE `meta`.meta_key = '_dwqa_votes'
) as vote
ON `new_table`.ID = `vote`.ID
SET `new_table`.vote_count = `vote`.meta_value";
$wpdb->query( $query_vote_count );
// Publish Answer count
$query_answer_count ="UPDATE {$dwqa_table} as new_table
JOIN ( SELECT
`Q`.ID as question,
IF( ISNULL( `A`.post_date ), `Q`.post_date,
max( `A`.post_date ) ) as post_modified,
IF( ISNULL( `A`.ID ), 'create', 'answer' ) as last_activity_type,
GROUP_CONCAT(DISTINCT `A`.ID SEPARATOR ',') AS answers,
count(distinct `A`.ID) as total,
count(distinct (case when `A`.post_status = 'publish' then `A`.ID end)) as publish_count,
count(distinct (case when `A`.post_status = 'private' then `A`.ID end)) as private_count
FROM ( SELECT * FROM {$dwqa_table} WHERE ID IN ( {$posts__in} ) ) AS Q
LEFT JOIN {$wpdb->postmeta} AS N
ON `Q`.ID = `N`.meta_value AND `N`.meta_key = '_question'
LEFT JOIN {$wpdb->posts} AS A
ON `N`.post_id = `A`.ID AND `A`.post_type = 'dwqa-answer' AND `A`.post_status IN ( 'publish', 'private' )
WHERE `Q`.post_status IN ( 'publish', 'private' ) AND `Q`.post_type = 'dwqa-question' GROUP BY `Q`.ID
) as count_table ON `count_table`.question = `new_table`.ID
SET `new_table`.private_answer_count = `count_table`.private_count, `new_table`.publish_answer_count = `count_table`.publish_count, `new_table`.answer_count = `count_table`.total,
`new_table`.answers = `count_table`.answers, `new_table`.last_activity_date = `count_table`.post_modified, `new_table`.last_activity_type = `count_table`.last_activity_type";
$wpdb->query( $query_answer_count );
// get last activity author and id
$query_update_last_activity = "UPDATE {$dwqa_table} as new_table
JOIN (
SELECT `question`.ID,
max( if(`question`.last_activity_date = `answer`.post_date, `answer`.post_author, `question`.post_author)) as last_activity_author,
max(if( `question`.last_activity_date = `answer`.post_date, `answer`.ID,`question`.ID)) last_activity_id
FROM ( SELECT * FROM {$dwqa_table} WHERE ID IN ( {$posts__in} ) ) question
JOIN {$wpdb->postmeta} meta on `meta`.meta_value = `question`.ID and `meta`.meta_key = '_question'
JOIN {$wpdb->posts} answer on `meta`.post_id = `answer`.ID AND `answer`.post_type = 'dwqa-answer' AND `answer`.post_date >= `question`.last_activity_date
GROUP BY `question`.ID
) as last_activity ON `new_table`.ID = `last_activity`.ID
SET `new_table`.last_activity_author = `last_activity`.last_activity_author, `new_table`.last_activity_id = `last_activity`.last_activity_id
";
$wpdb->query( $query_update_last_activity );
// Update Status :
// IF Have lastest action is admin answer -> answered, while open
// If have meta resolved or closed -> answered / closed
$query_column_exists = "SHOW COLUMNS FROM {$dwqa_table} LIKE 'question_status'";
if( ! $wpdb->query( $query_column_exists ) ) {
$wpdb->query( "ALTER TABLE {$dwqa_table} ADD COLUMN question_status varchar(20) NOT NULL DEFAULT 'open' AFTER post_status" );
}
$query_status = "UPDATE {$dwqa_table} as new_table
JOIN (
SELECT `question`.ID, IF( `meta`.meta_value = 'resolved' OR `meta`.meta_value = 'closed', `meta`.meta_value, IF( `usermeta`.meta_value LIKE '%editor%' OR `usermeta`.meta_value LIKE '%administrator%', 'answered', 'open' ) ) as status
FROM (
SELECT ID, last_activity_author, last_activity_type
FROM {$dwqa_table}
WHERE ID IN ( {$posts__in} )
) question
LEFT JOIN {$wpdb->usermeta} usermeta ON `question`.last_activity_author = `usermeta`.user_id AND `usermeta`.meta_key = '{$wpdb->prefix}capabilities'
LEFT JOIN {$wpdb->postmeta} as meta
ON `meta`.post_id = `question`.ID AND `meta`.meta_key = '_dwqa_status'
) as status
ON `new_table`.ID = `status`.ID
SET `new_table`.question_status = `status`.status";
$wpdb->query( $query_status );
// Update Question Category ( category id) :
$query_column_exists = "SHOW COLUMNS FROM {$dwqa_table} LIKE 'question_categories'";
if( ! $wpdb->query( $query_column_exists ) ) {
$wpdb->query( "ALTER TABLE {$dwqa_table} ADD COLUMN question_categories varchar(255) NOT NULL DEFAULT '' AFTER last_activity_id" );
}
$query_cat = "UPDATE {$this->table} new_table
JOIN (
SELECT
`TR`.object_id ID,
GROUP_CONCAT( `T`.term_id SEPARATOR ',' ) question_categories
FROM `{$wpdb->term_taxonomy}` T
JOIN `{$wpdb->term_relationships}` TR
ON `T`.term_taxonomy_id = `TR`.term_taxonomy_id
WHERE `T`.taxonomy = 'dwqa-question_category'
AND `TR`.object_id IN ( {$posts__in} )
GROUP BY `TR`.object_id
) as cat ON `new_table`.ID = `cat`.ID
SET `new_table`.question_categories = `cat`.question_categories
WHERE `new_table`.ID IN ( {$posts__in} )
";
$wpdb->query( $query_cat );
// Update Question Tags ( tag id ) :
$query_column_exists = "SHOW COLUMNS FROM {$dwqa_table} LIKE 'question_tags'";
if( ! $wpdb->query( $query_column_exists ) ) {
$wpdb->query( "ALTER TABLE {$dwqa_table} ADD COLUMN question_tags varchar(255) NOT NULL DEFAULT '' AFTER question_categories" );
}
$query_cat = "UPDATE {$this->table} new_table
JOIN (
SELECT
`TR`.object_id ID,
GROUP_CONCAT( `T`.term_id SEPARATOR ',' ) question_tags
FROM `{$wpdb->term_taxonomy}` T
JOIN `{$wpdb->term_relationships}` TR
ON `T`.term_taxonomy_id = `TR`.term_taxonomy_id
WHERE `T`.taxonomy = 'dwqa-question_tag'
AND `TR`.object_id IN ( {$posts__in} )
GROUP BY `TR`.object_id
) as cat ON `new_table`.ID = `cat`.ID
SET `new_table`.question_tags = `cat`.question_tags
WHERE `new_table`.ID IN ( {$posts__in} )
";
$wpdb->query( $query_cat );
}
//Executime for single loop
$time_elapsed_us = microtime(true) - $start;
$offset += $posts_per_round;
if ( $offset > $total ) {
wp_send_json_error( array( 'message' => 'done' ) );
}
wp_send_json_success( array(
'time' => $time_elapsed_us,
'next_offset' => $offset
) );
}
public function add_menu() {
add_submenu_page( 'edit.php?post_type=dwqa-question', __( 'DWQA ReIndex', 'dwqa' ), __( 'DWQA ReIndex', 'dwqa' ), 'manage_options', 'dwqa-question', array( $this, 'display' ) );
}
public function display() {
$posts_per_round = 20;
$questions_count = wp_count_posts( 'dwqa-question' );
$total = $questions_count->publish + $questions_count->private;
$answers_count = wp_count_posts( 'dwqa-answer' );
?>
<div class="wrap">
<h2><?php _e( 'Questions Index', 'dwqa' ); ?></h2>
<form action="" method="post">
<p><?php printf( __( 'Total questions: %d ( %d publish - %d private )', 'dwqa' ), $total, $questions_count->publish, $questions_count->private ) ?></p>
<p><?php printf('Total answers: %d ( %d publish - %d private ) ', $answers_count->publish + $answers_count->private, $answers_count->publish, $answers_count->private ) ?></p>
<p><progress id="dwqa-upgrade-database-progress" max="<?php echo $total; ?>" value="80">80/<?php echo $total; ?></progress></p>
<div><input id="dwqa-upgrade-database" type="button" class="btn btn-primary" value="Index Questions"></div>
</form>
</div>
<script type="text/javascript">
jQuery(document).ready(function($) {
var run_upgrade = function( offset ) {
$.ajax({
url: '<?php echo admin_url( "admin-ajax.php" ); ?>',
type: 'GET',
dataType: 'json',
data: {
action: 'dwqa_upgrade_database',
offset: offset
},
})
.done(function( resp ) {
if ( resp.success ) {
console.log( resp.data.next_offset );
run_upgrade( resp.data.next_offset );
$('#dwqa-upgrade-database-progress').attr('value', resp.data.next_offset );
} else {
console.log( resp.data.message );
$('#dwqa-upgrade-database').removeAttr('disabled');
}
//resend query with new offset
});
}
$('#dwqa-upgrade-database').on( 'click', function(e){
e.preventDefault();
$(this).attr('disabled', 'disabled');
run_upgrade(0);
});
});
</script>
<?php
}
public function prepare_archive_posts() {
global $wpdb, $wp_query,$dwqa_general_settings;
if ( is_user_logged_in() ) {
$post_status = "'publish', 'private', 'pending'";
} else {
$post_status = "'publish'";
}
$query = "SELECT * FROM {$this->table} WHERE 1=1 AND post_status IN ( {$post_status} )";
//Permisson
if ( is_user_logged_in() && ! dwqa_current_user_can( 'edit_question' ) ) {
global $current_user;
$query .= " AND IF( post_author = {$current_user->ID}, 1, IF( post_status = 'private', 0, 1 ) ) = 1";
}
$sticky_questions = get_option( 'dwqa_sticky_questions' );
if ( is_array( $sticky_questions ) ) {
$sticky_questions = implode(',', $sticky_questions );
}
if ( $sticky_questions ) {
$query .= " AND ID NOT IN ( {$sticky_questions} )";
}
if ( is_tax( 'dwqa-question_category' ) ) {
$category = get_query_var( 'dwqa-question_category' );
$term = get_term_by( 'slug', $category, 'dwqa-question_category' );
$query .= " AND question_categories REGEXP '^{$term->term_id},|,{$term->term_id},|,{$term->term_id}$|^{$term->term_id}$' ";
}
if ( is_tax( 'dwqa-question_tag' ) ) {
$tag = get_query_var( 'dwqa-question_tag' );
$term = get_term_by( 'slug', $tag, 'dwqa-question_tag' );
if ( $term ) {
$query .= " AND question_tags REGEXP '^{$term->term_id},|,{$term->term_id},|,{$term->term_id}$|^{$term->term_id}$' ";
}
}
$posts_per_page = isset( $dwqa_general_settings['posts-per-page'] ) ? $dwqa_general_settings['posts-per-page'] : 5;
$paged = get_query_var( 'paged' );
$offset = $paged ? ( $paged - 1 ) * $posts_per_page : 0;
$query .= " ORDER BY last_activity_date DESC LIMIT {$offset}, {$posts_per_page}";
$questions = $wpdb->get_results( $query );
$this->temp = array(
'posts' => $wp_query->posts,
'post_count' => $wp_query->post_count
);
$wp_query->posts = $questions;
$wp_query->post_count = count( $questions );
rewind_posts();
}
public function after_archive_posts() {
global $wp_query, $post;
$wp_query->posts = $this->temp['posts'];
$wp_query->post_count = $this->temp['post_count'];
$this->temp = false;
// wp_reset_postdata();
if ( have_posts() ) the_post();
}
/**
* Update table index when have new question, question was update or have new answer
* @param int $question_id Updated question ID
*/
public function update_question( $id ) {
global $wpdb;
// Just update with question post type
$post_type = get_post_type( $id );
if ( $post_type == 'dwqa-question' ) {
$question_exists = $wpdb->get_row( $wpdb->prepare( "SELECT ID FROM {$this->table} WHERE ID = %d", $id ) );
if ( $question_exists ) { // Update
$query = $wpdb->prepare( "UPDATE {$this->table} as new_table
JOIN ( SELECT * FROM {$wpdb->posts} WHERE post_type = 'dwqa-question' AND ID = %d ) as question
ON `new_table`.ID = `question`.ID
SET `new_table`.post_author = `question`.post_author, `new_table`.post_date = `question`.post_date, `new_table`.post_date_gmt = `question`.post_date_gmt, `new_table`.post_content = `question`.post_content, `new_table`.post_title = `question`.post_title, `new_table`.post_excerpt = `question`.post_excerpt, `new_table`.post_status = `question`.post_status, `new_table`.comment_status = `question`.comment_status, `new_table`.ping_status = `question`.ping_status, `new_table`.post_password = `question`.post_password, `new_table`.post_name = `question`.post_name, `new_table`.to_ping = `question`.to_ping, `new_table`.pinged = `question`.pinged, `new_table`.post_modified = `question`.post_modified, `new_table`.post_modified_gmt = `question`.post_modified_gmt, `new_table`.post_content_filtered = `question`.post_content_filtered, `new_table`.post_parent = `question`.post_parent, `new_table`.guid = `question`.guid, `new_table`.menu_order = `question`.menu_order, `new_table`.post_type = `question`.post_type, `new_table`.post_mime_type = `question`.post_mime_type, `new_table`.comment_count = `question`.comment_count", $id );
$wpdb->query( $query );
} else { // Insert
$query = $wpdb->prepare( "INSERT INTO {$this->table} ( ID, post_author, post_date, post_date_gmt, post_content, post_title, post_excerpt, post_status, comment_status, ping_status, post_password, post_name, to_ping, pinged, post_modified, post_modified_gmt, post_content_filtered, post_parent, guid, menu_order, post_type, post_mime_type, comment_count ) SELECT * FROM {$wpdb->posts} WHERE ID = %d", $id );
$wpdb->query( $query );
//Update last activity
$question = get_post( $id );
$query = $wpdb->prepare( "UPDATE {$this->table} SET last_activity_date = '{$question->post_date}', last_activity_author = $question->post_author, last_activity_id = {$question->ID} WHERE ID = %d", $id );
$wpdb->query( $query );
}
//Update question category
$posts__in = $id;
// Update Question Category ( category id) :
$query_column_exists = "SHOW COLUMNS FROM {$this->table} LIKE 'question_categories'";
if( ! $wpdb->query( $query_column_exists ) ) {
$wpdb->query( "ALTER TABLE {$this->table} ADD COLUMN question_categories varchar(255) NOT NULL DEFAULT '' AFTER last_activity_id" );
}
$query_cat = "UPDATE {$this->table} new_table
JOIN (
SELECT
`TR`.object_id ID,
GROUP_CONCAT( `T`.term_id SEPARATOR ',' ) question_categories
FROM `{$wpdb->term_taxonomy}` T
JOIN `{$wpdb->term_relationships}` TR
ON `T`.term_taxonomy_id = `TR`.term_taxonomy_id
WHERE `T`.taxonomy = 'dwqa-question_category'
AND `TR`.object_id IN ( {$posts__in} )
GROUP BY `TR`.object_id
) as cat ON `new_table`.ID = `cat`.ID
SET `new_table`.question_categories = `cat`.question_categories
WHERE `new_table`.ID IN ( {$posts__in} )
";
$wpdb->query( $query_cat );
// Update Question Tags ( tag id ) :
$query_column_exists = "SHOW COLUMNS FROM {$this->table} LIKE 'question_tags'";
if( ! $wpdb->query( $query_column_exists ) ) {
$wpdb->query( "ALTER TABLE {$this->table} ADD COLUMN question_tags varchar(255) NOT NULL DEFAULT '' AFTER question_categories" );
}
$query_cat = "UPDATE {$this->table} new_table
JOIN (
SELECT
`TR`.object_id ID,
GROUP_CONCAT( `T`.term_id SEPARATOR ',' ) question_tags
FROM `{$wpdb->term_taxonomy}` T
JOIN `{$wpdb->term_relationships}` TR
ON `T`.term_taxonomy_id = `TR`.term_taxonomy_id
WHERE `T`.taxonomy = 'dwqa-question_tag'
AND `TR`.object_id IN ( {$posts__in} )
GROUP BY `TR`.object_id
) as cat ON `new_table`.ID = `cat`.ID
SET `new_table`.question_tags = `cat`.question_tags
WHERE `new_table`.ID IN ( {$posts__in} )
";
$wpdb->query( $query_cat );
}
}
public function delete_question( $id ) {
global $wpdb;
$post_type = get_post_type( $id );
if ( 'dwqa-question' == $post_type ) {
$query = $wpdb->prepare( "DELETE FROM {$this->table} WHERE ID = %d", $id );
$wpdb->query( $query );
}
}
public function delete_answer( $id ) {
global $wpdb;
$post_type = get_post_type( $id );
if ( 'dwqa-answer' == $post_type && get_post_status( $id ) != 'draft' ) {
$question_id = get_post_meta( $id, '_question', true );
$query = "UPDATE {$this->table} as new_table
JOIN (
SELECT `M`.meta_value as question,
count(*) answer_count,
sum( if( `A`.post_status = 'private', 1, 0 ) ) private_answer_count,
sum( if( `A`.post_status = 'publish', 1, 0 ) ) publish_answer_count,
max( `A`.post_date ) last_activity_date,
if( count(*) > 0, 'answer', 'create' ) last_activity_type,
GROUP_CONCAT( ID SEPARATOR ',') answers
FROM `{$wpdb->posts}` A
JOIN `{$wpdb->postmeta}` M ON `A`.ID = `M`.post_id
WHERE `M`.meta_value = {$question_id}
AND `A`.ID <> {$id}
AND `A`.post_type = 'dwqa-answer'
AND `M`.meta_key = '_question'
AND ( `A`.post_status = 'publish' OR `A`.post_status = 'private' )
ORDER BY `A`.post_date DESC
) as calculated ON `new_table`.ID = `calculated`.question
SET `new_table`.answer_count = `calculated`.answer_count,
`new_table`.private_answer_count = `calculated`.private_answer_count,
`new_table`.publish_answer_count = `calculated`.publish_answer_count,
`new_table`.last_activity_type = `calculated`.last_activity_type,
`new_table`.last_activity_date = `calculated`.last_activity_date,
`new_table`.answers = `calculated`.answers
WHERE `new_table`.ID = {$question_id}
";
$wpdb->query( $query );
$question = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$this->table} WHERE ID = %d", $question_id ) );
//update question_status, last_activity_author, last_activity_id
if ( $question->last_activity_type == 'answer' ) {
$query = $wpdb->query( "UPDATE {$this->table} new_table
JOIN (
SELECT {$question_id} qID,
`answers`.post_author last_activity_author,
`answers`.ID last_activity_id,
IF( `usermeta`.meta_value LIKE '%administrator%' OR `usermeta`.meta_value LIKE '%editor%', 'answered', 're-open' ) question_status
FROM {$wpdb->posts} answers
JOIN {$wpdb->usermeta} usermeta ON `answers`.post_author = `usermeta`.user_id
WHERE `answers`.ID IN ( {$question->answers} )
AND `answers`.post_date = '{$question->last_activity_date}'
AND `usermeta`.meta_key = '{$wpdb->prefix}capabilities'
LIMIT 0, 1 ) latest_answer ON `new_table`.ID = `latest_answer`.qID
SET `new_table`.last_activity_author = `latest_answer`.last_activity_author,`new_table`.last_activity_id = `latest_answer`.last_activity_id,`new_table`.question_status = `latest_answer`.question_status
WHERE `new_table`.ID = {$question_id}
" );
} elseif ( $question->last_activity_type == 'create' ) {
$query = $wpdb->query( "UPDATE {$this->table} new_table
JOIN ( SELECT ID, post_author, post_date FROM {$this->table} WHERE ID = {$question_id} ) question ON `new_table`.ID = `question`.ID
SET `new_table`.last_activity_author = `question`.post_author,
`new_table`.last_activity_id = `question`.ID,
`new_table`.last_activity_date = `question`.post_date
" );
}
}
}
public function answers_change( $id ) {
global $wpdb;
$post_type = get_post_type( $id );
if ( 'dwqa-answer' == $post_type && get_post_status( $id ) != 'draft' ) {
$question_id = get_post_meta( $id, '_question', true );
$query = "UPDATE {$this->table} as new_table
JOIN (
SELECT `M`.meta_value as question,
count(*) answer_count,
sum( if( `A`.post_status = 'private', 1, 0 ) ) private_answer_count,
sum( if( `A`.post_status = 'publish', 1, 0 ) ) publish_answer_count,
max( `A`.post_date ) last_activity_date,
if( count(*) > 0, 'answer', 'create' ) last_activity_type,
GROUP_CONCAT( ID SEPARATOR ',') answers
FROM `{$wpdb->posts}` A
JOIN `{$wpdb->postmeta}` M ON `A`.ID = `M`.post_id
WHERE `M`.meta_value = {$question_id}
AND `A`.post_type = 'dwqa-answer'
AND `M`.meta_key = '_question'
AND ( `A`.post_status = 'publish' OR `A`.post_status = 'private' )
ORDER BY `A`.post_date DESC
) as calculated ON `new_table`.ID = `calculated`.question
SET `new_table`.answer_count = `calculated`.answer_count,
`new_table`.private_answer_count = `calculated`.private_answer_count,
`new_table`.publish_answer_count = `calculated`.publish_answer_count,
`new_table`.last_activity_type = `calculated`.last_activity_type,
`new_table`.last_activity_date = `calculated`.last_activity_date,
`new_table`.answers = `calculated`.answers
WHERE `new_table`.ID = {$question_id}
";
$wpdb->query( $query );
$question = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM {$this->table} WHERE ID = %d", $question_id ) );
//update question_status, last_activity_author, last_activity_id
if ( $question->last_activity_type == 'answer' ) {
$query = $wpdb->query( "UPDATE {$this->table} new_table
JOIN (
SELECT {$question_id} qID,
`answers`.post_author last_activity_author,
`answers`.ID last_activity_id,
IF( `usermeta`.meta_value LIKE '%administrator%' OR `usermeta`.meta_value LIKE '%editor%', 'answered', 're-open' ) question_status
FROM {$wpdb->posts} answers
JOIN {$wpdb->usermeta} usermeta ON `answers`.post_author = `usermeta`.user_id
WHERE `answers`.ID IN ( {$question->answers} )
AND `answers`.post_date = '{$question->last_activity_date}'
AND `usermeta`.meta_key = '{$wpdb->prefix}capabilities'
LIMIT 0, 1 ) latest_answer ON `new_table`.ID = `latest_answer`.qID
SET `new_table`.last_activity_author = `latest_answer`.last_activity_author,`new_table`.last_activity_id = `latest_answer`.last_activity_id,`new_table`.question_status = `latest_answer`.question_status
WHERE `new_table`.ID = {$question_id}
" );
} elseif ( $question->last_activity_type == 'create' ) {
$query = $wpdb->query( "UPDATE {$this->table} new_table
JOIN ( SELECT ID, post_author, post_date FROM {$this->table} WHERE ID = {$question_id} ) question ON `new_table`.ID = `question`.ID
SET `new_table`.last_activity_author = `question`.post_author,
`new_table`.last_activity_id = `question`.ID,
`new_table`.last_activity_date = `question`.post_date
" );
}
}
}
public function update_question_metadata( $meta_id, $object_id, $meta_key, $meta_value ){
global $wpdb;
if ( $meta_key == '_dwqa_views' ) {
$query = $wpdb->prepare( "UPDATE {$this->table} SET view_count = {$meta_value} WHERE ID = %d", $object_id );
$wpdb->query( $query );
} elseif ( '_dwqa_votes' == $meta_key ) {
$query = $wpdb->prepare( "UPDATE {$this->table} SET vote_count = {$meta_value} WHERE ID = %d", $object_id );
$wpdb->query( $query );
} elseif ( '_dwqa_status' == $meta_key ) {
$query = $wpdb->prepare( "UPDATE {$this->table} SET question_status = '{$meta_value}' WHERE ID = %d", $object_id );
$wpdb->query( $query );
}
}
public function get_question_field( $field, $question_id ) {
global $wpdb;
if ( strpos( $field, ',') === false ) {
$field = $wpdb->get_var( $wpdb->prepare( "SELECT {$field} FROM {$this->table} WHERE ID = %d LIMIT 0,1", $question_id ) );
} else {
$field = $wpdb->get_row( $wpdb->prepare( "SELECT {$field} FROM {$this->table} WHERE ID = %d LIMIT 0,1", $question_id ) );
}
if ( $field && ! is_wp_error( $field ) ) {
return $field;
}
return false;
}
}
$GLOBALS['dwqa_database_upgrade'] = new DWQA_Database_Upgrade();
?>