|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace App\Blog\Tag; |
|
6
|
|
|
|
|
7
|
|
|
use App\Blog\Entity\Post; |
|
8
|
|
|
use App\Blog\Entity\PostTag; |
|
9
|
|
|
use App\Blog\Entity\Tag; |
|
10
|
|
|
use App\Blog\Post\PostRepository; |
|
11
|
|
|
use Cycle\ORM\ORMInterface; |
|
12
|
|
|
use Cycle\ORM\Select; |
|
13
|
|
|
use Cycle\ORM\Select\Repository; |
|
14
|
|
|
use Yiisoft\Data\Reader\DataReaderInterface; |
|
15
|
|
|
use Yiisoft\Data\Reader\Sort; |
|
16
|
|
|
use Yiisoft\Yii\Cycle\Data\Reader\EntityReader; |
|
17
|
|
|
|
|
18
|
|
|
final class TagRepository extends Repository |
|
19
|
|
|
{ |
|
20
|
|
|
private ORMInterface $orm; |
|
21
|
|
|
|
|
22
|
1 |
|
public function __construct(Select $select, ORMInterface $orm) |
|
23
|
|
|
{ |
|
24
|
1 |
|
$this->orm = $orm; |
|
25
|
1 |
|
parent::__construct($select); |
|
26
|
1 |
|
} |
|
27
|
|
|
|
|
28
|
|
|
public function getOrCreate(string $label): Tag |
|
29
|
|
|
{ |
|
30
|
|
|
$tag = $this->findByLabel($label); |
|
31
|
|
|
return $tag ?? new Tag($label); |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
public function findByLabel(string $label): ?Tag |
|
35
|
|
|
{ |
|
36
|
|
|
return $this->select() |
|
37
|
|
|
->where(['label' => $label]) |
|
38
|
|
|
->fetchOne(); |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* @param int $limit |
|
43
|
|
|
* |
|
44
|
|
|
* @return DataReaderInterface Collection of Array('label' => 'Tag Label', 'count' => '8') |
|
45
|
|
|
*/ |
|
46
|
1 |
|
public function getTagMentions(int $limit = 0): DataReaderInterface |
|
47
|
|
|
{ |
|
48
|
|
|
/** @var Repository $postTagRepo */ |
|
49
|
1 |
|
$postTagRepo = $this->orm->getRepository(PostTag::class); |
|
50
|
|
|
/** @var PostRepository $postRepo */ |
|
51
|
1 |
|
$postRepo = $this->orm->getRepository(Post::class); |
|
52
|
|
|
|
|
53
|
|
|
// For example, below are several ways to make queries |
|
54
|
|
|
// As a result, we should get a list of most used tags |
|
55
|
|
|
// All SQL-queries received on mysql database. SQL-queries may vary by driver |
|
56
|
|
|
|
|
57
|
|
|
/** |
|
58
|
|
|
* Case 1 would look like: |
|
59
|
|
|
* |
|
60
|
|
|
* SELECT `t`.`label`, count(*) `count` |
|
61
|
|
|
* FROM `post_tag` AS `postTag` |
|
62
|
|
|
* INNER JOIN `post` AS `p` |
|
63
|
|
|
* ON `p`.`id` = `postTag`.`post_id` AND `p`.`public` = TRUE |
|
64
|
|
|
* INNER JOIN `tag` AS `t` |
|
65
|
|
|
* ON `t`.`id` = `postTag`.`tag_id` |
|
66
|
|
|
* GROUP BY `t`.`label`, `tag_id` |
|
67
|
|
|
* ORDER BY `count` DESC |
|
68
|
|
|
*/ |
|
69
|
|
|
$case1 = $postTagRepo |
|
|
|
|
|
|
70
|
1 |
|
->select() |
|
71
|
1 |
|
->buildQuery() |
|
72
|
1 |
|
->columns(['t.label', 'count(*) count']) |
|
73
|
1 |
|
->innerJoin('post', 'p')->on('p.id', 'postTag.post_id')->onWhere(['p.public' => true]) |
|
74
|
1 |
|
->innerJoin('tag', 't')->on('t.id', 'postTag.tag_id') |
|
75
|
1 |
|
->groupBy('t.label, tag_id'); |
|
76
|
|
|
|
|
77
|
|
|
/** |
|
78
|
|
|
* Case 2 would look like: |
|
79
|
|
|
* |
|
80
|
|
|
* SELECT `label`, count(*) `count` |
|
81
|
|
|
* FROM `tag` AS `tag` |
|
82
|
|
|
* INNER JOIN `post_tag` AS `tag_posts_pivot` |
|
83
|
|
|
* ON `tag_posts_pivot`.`tag_id` = `tag`.`id` |
|
84
|
|
|
* INNER JOIN `post` AS `tag_posts` |
|
85
|
|
|
* ON `tag_posts`.`id` = `tag_posts_pivot`.`post_id` AND `tag_posts`.`public` = TRUE |
|
86
|
|
|
* GROUP BY `tag`.`label`, `tag_id` |
|
87
|
|
|
* ORDER BY `count` DESC |
|
88
|
|
|
*/ |
|
89
|
|
|
$case2 = $this |
|
|
|
|
|
|
90
|
1 |
|
->select() |
|
91
|
1 |
|
->with('posts') |
|
92
|
1 |
|
->buildQuery() |
|
93
|
1 |
|
->columns(['label', 'count(*) count']) |
|
94
|
1 |
|
->groupBy('tag.label, tag_id'); |
|
95
|
|
|
|
|
96
|
|
|
/** |
|
97
|
|
|
* Case 3 would look like: |
|
98
|
|
|
* |
|
99
|
|
|
* SELECT `label`, count(*) `count` |
|
100
|
|
|
* FROM `tag` AS `tag` |
|
101
|
|
|
* INNER JOIN `post_tag` AS `tag_posts_pivot` |
|
102
|
|
|
* ON `tag_posts_pivot`.`tag_id` = `tag`.`id` |
|
103
|
|
|
* INNER JOIN `post` AS `tag_posts` |
|
104
|
|
|
* ON `tag_posts`.`id` = `tag_posts_pivot`.`post_id` AND `tag_posts`.`public` = TRUE |
|
105
|
|
|
* GROUP BY `tag_posts_pivot`.`tag_id`, `tag`.`label` |
|
106
|
|
|
* ORDER BY `count` DESC |
|
107
|
|
|
*/ |
|
108
|
|
|
$case3 = $this |
|
109
|
1 |
|
->select() |
|
110
|
1 |
|
->groupBy('[email protected]_id') // relation posts -> pivot (@) -> column |
|
111
|
1 |
|
->groupBy('label') |
|
112
|
1 |
|
->buildQuery() |
|
113
|
1 |
|
->columns(['label', 'count(*) count']); |
|
114
|
|
|
|
|
115
|
|
|
/** |
|
116
|
|
|
* Case 4 would look like: |
|
117
|
|
|
* |
|
118
|
|
|
* SELECT `label`, count(*) `count` |
|
119
|
|
|
* FROM `post` AS `post` |
|
120
|
|
|
* INNER JOIN `post_tag` AS `post_tags_pivot` |
|
121
|
|
|
* ON `post_tags_pivot`.`post_id` = `post`.`id` |
|
122
|
|
|
* INNER JOIN `tag` AS `post_tags` |
|
123
|
|
|
* ON `post_tags`.`id` = `post_tags_pivot`.`tag_id` |
|
124
|
|
|
* WHERE `post`.`public` = TRUE |
|
125
|
|
|
* GROUP BY `post_tags_pivot`.`tag_id`, `tag`.`label` |
|
126
|
|
|
*/ |
|
127
|
|
|
$case4 = $postRepo |
|
|
|
|
|
|
128
|
1 |
|
->select() |
|
129
|
1 |
|
->groupBy('[email protected]_id') // relation tags -> pivot (@) -> column |
|
130
|
1 |
|
->groupBy('tags.label') |
|
131
|
1 |
|
->buildQuery() |
|
132
|
1 |
|
->columns(['label', 'count(*) count']); |
|
133
|
|
|
|
|
134
|
1 |
|
$sort = Sort::only(['count', 'label'])->withOrder(['count' => 'desc']); |
|
135
|
1 |
|
return (new EntityReader($case3))->withSort($sort)->withLimit($limit); |
|
136
|
|
|
} |
|
137
|
|
|
} |
|
138
|
|
|
|
yiisoft /
yii-demo
Loading history...