|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Spiral, Core Components |
|
4
|
|
|
* |
|
5
|
|
|
* @author Wolfy-J |
|
6
|
|
|
*/ |
|
7
|
|
|
|
|
8
|
|
|
namespace Spiral\ORM\Entities\Loaders; |
|
9
|
|
|
|
|
10
|
|
|
use Spiral\Database\Builders\SelectQuery; |
|
11
|
|
|
use Spiral\ORM\Entities\Loaders\Traits\ColumnsTrait; |
|
12
|
|
|
use Spiral\ORM\Entities\Nodes\AbstractNode; |
|
13
|
|
|
use Spiral\ORM\Entities\Nodes\RootNode; |
|
14
|
|
|
use Spiral\ORM\ORMInterface; |
|
15
|
|
|
use Spiral\ORM\Record; |
|
16
|
|
|
|
|
17
|
|
|
/** |
|
18
|
|
|
* Primary ORM loader. Loader wraps at top of select query in order to modify it's conditions, joins |
|
19
|
|
|
* and etc based on nested loaders. |
|
20
|
|
|
* |
|
21
|
|
|
* Note, in RootLoader schema represent record schema since there is no self to self relation. |
|
22
|
|
|
*/ |
|
23
|
|
|
class RootLoader extends AbstractLoader |
|
24
|
|
|
{ |
|
25
|
|
|
use ColumnsTrait; |
|
26
|
|
|
|
|
27
|
|
|
/** |
|
28
|
|
|
* Root loader always define primary SelectQuery. |
|
29
|
|
|
* |
|
30
|
|
|
* @var SelectQuery |
|
31
|
|
|
*/ |
|
32
|
|
|
private $query; |
|
33
|
|
|
|
|
34
|
|
|
/** |
|
35
|
|
|
* Only columns to be selected, by default all columns. |
|
36
|
|
|
* |
|
37
|
|
|
* @var null|array |
|
38
|
|
|
*/ |
|
39
|
|
|
private $columns = null; |
|
40
|
|
|
|
|
41
|
|
|
/** |
|
42
|
|
|
* @param string $class |
|
43
|
|
|
* @param array $schema Record schema for root loader. |
|
44
|
|
|
* @param ORMInterface $orm |
|
45
|
|
|
*/ |
|
46
|
|
|
public function __construct(string $class, array $schema, ORMInterface $orm) |
|
47
|
|
|
{ |
|
48
|
|
|
//Constructing with truncated schema |
|
49
|
|
|
parent::__construct( |
|
50
|
|
|
$class, |
|
51
|
|
|
[ |
|
52
|
|
|
Record::SH_PRIMARY_KEY => $schema[Record::SH_PRIMARY_KEY], |
|
53
|
|
|
Record::RELATION_COLUMNS => array_keys($schema[Record::SH_DEFAULTS]) |
|
54
|
|
|
], |
|
55
|
|
|
$orm |
|
56
|
|
|
); |
|
57
|
|
|
|
|
58
|
|
|
//Getting our initial select query |
|
59
|
|
|
$this->query = $orm->table($class)->select(); |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* Columns to be selected, please note, primary will always be included, DO not include |
|
64
|
|
|
* column aliases in here, aliases will be added automatically. Creates new loader tree copy. |
|
65
|
|
|
* |
|
66
|
|
|
* @param array $columns |
|
67
|
|
|
* |
|
68
|
|
|
* @return RootLoader |
|
69
|
|
|
*/ |
|
70
|
|
|
public function withColumns(array $columns): self |
|
71
|
|
|
{ |
|
72
|
|
|
$loader = clone $this; |
|
73
|
|
|
$loader->columns = array_merge( |
|
74
|
|
|
[$loader->schema[Record::SH_PRIMARY_KEY]], |
|
75
|
|
|
$columns |
|
76
|
|
|
); |
|
77
|
|
|
|
|
78
|
|
|
return $loader; |
|
79
|
|
|
} |
|
80
|
|
|
|
|
81
|
|
|
/** |
|
82
|
|
|
* Return initial loader query (attention, mutable instance). |
|
83
|
|
|
* |
|
84
|
|
|
* @return SelectQuery |
|
85
|
|
|
*/ |
|
86
|
|
|
public function initialQuery(): SelectQuery |
|
87
|
|
|
{ |
|
88
|
|
|
return $this->query; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
/** |
|
92
|
|
|
* Return build version of query. |
|
93
|
|
|
* |
|
94
|
|
|
* @return SelectQuery |
|
95
|
|
|
*/ |
|
96
|
|
|
public function compiledQuery(): SelectQuery |
|
97
|
|
|
{ |
|
98
|
|
|
return $this->configureQuery(clone $this->query); |
|
99
|
|
|
} |
|
100
|
|
|
|
|
101
|
|
|
/** |
|
102
|
|
|
* Get primary key column if possible (aliased). Null when key is missing or non singular. |
|
103
|
|
|
* |
|
104
|
|
|
* @return string|null |
|
105
|
|
|
*/ |
|
106
|
|
|
public function primaryKey(): string |
|
107
|
|
|
{ |
|
108
|
|
|
return $this->getAlias() . '.' . $this->schema[Record::SH_PRIMARY_KEY]; |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
/** |
|
112
|
|
|
* We are using model role as alias. Visibility up. |
|
113
|
|
|
* |
|
114
|
|
|
* @return string |
|
115
|
|
|
*/ |
|
116
|
|
|
public function getAlias(): string |
|
117
|
|
|
{ |
|
118
|
|
|
return $this->orm->define($this->class, ORMInterface::R_ROLE_NAME); |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* @param SelectQuery $query |
|
123
|
|
|
* |
|
124
|
|
|
* @return SelectQuery |
|
125
|
|
|
*/ |
|
126
|
|
|
protected function configureQuery(SelectQuery $query): SelectQuery |
|
127
|
|
|
{ |
|
128
|
|
|
//Clarifying table name |
|
129
|
|
|
$query->from("{$this->getTable()} AS {$this->getAlias()}"); |
|
130
|
|
|
|
|
131
|
|
|
//Columns to be loaded for primary model |
|
132
|
|
|
$this->mountColumns($query, true, '', true); |
|
133
|
|
|
|
|
134
|
|
|
return parent::configureQuery($query); |
|
135
|
|
|
} |
|
136
|
|
|
|
|
137
|
|
|
/** |
|
138
|
|
|
* {@inheritdoc} |
|
139
|
|
|
*/ |
|
140
|
|
|
public function loadData(AbstractNode $node) |
|
141
|
|
|
{ |
|
142
|
|
|
//Fetching results from database |
|
143
|
|
|
$statement = $this->configureQuery(clone $this->query)->run(); |
|
144
|
|
|
$statement->setFetchMode(\PDO::FETCH_NUM); |
|
145
|
|
|
|
|
146
|
|
|
foreach ($statement as $row) { |
|
147
|
|
|
$node->parseRow(0, $row); |
|
148
|
|
|
} |
|
149
|
|
|
|
|
150
|
|
|
//Destroying statement |
|
151
|
|
|
$statement->close(); |
|
152
|
|
|
|
|
153
|
|
|
//Executing child loaders |
|
154
|
|
|
foreach ($this->loaders as $relation => $loader) { |
|
155
|
|
|
$loader->loadData($node->fetchNode($relation)); |
|
156
|
|
|
} |
|
157
|
|
|
} |
|
158
|
|
|
|
|
159
|
|
|
/** |
|
160
|
|
|
* {@inheritdoc} |
|
161
|
|
|
*/ |
|
162
|
|
|
public function initNode(): AbstractNode |
|
163
|
|
|
{ |
|
164
|
|
|
return new RootNode( |
|
165
|
|
|
$this->getColumns(), |
|
166
|
|
|
$this->schema[Record::SH_PRIMARY_KEY] |
|
167
|
|
|
); |
|
168
|
|
|
} |
|
169
|
|
|
|
|
170
|
|
|
/** |
|
171
|
|
|
* Clone with initial query. |
|
172
|
|
|
*/ |
|
173
|
|
|
public function __clone() |
|
174
|
|
|
{ |
|
175
|
|
|
$this->query = clone $this->query; |
|
176
|
|
|
parent::__clone(); |
|
177
|
|
|
} |
|
178
|
|
|
|
|
179
|
|
|
/** |
|
180
|
|
|
* Relation columns. |
|
181
|
|
|
* |
|
182
|
|
|
* @return array |
|
183
|
|
|
*/ |
|
184
|
|
|
protected function getColumns(): array |
|
185
|
|
|
{ |
|
186
|
|
|
return $this->columns ?? $this->schema[Record::RELATION_COLUMNS]; |
|
187
|
|
|
} |
|
188
|
|
|
} |
spiral /
components
