|
1
|
|
|
<?php |
|
2
|
|
|
declare(strict_types=1); |
|
3
|
|
|
|
|
4
|
|
|
namespace Stratadox\TableLoader; |
|
5
|
|
|
|
|
6
|
|
|
use function array_unshift; |
|
7
|
|
|
use function assert; |
|
8
|
|
|
use function count; |
|
9
|
|
|
use Countable; |
|
10
|
|
|
use Stratadox\HydrationMapper\InvalidMapperConfiguration; |
|
11
|
|
|
use Stratadox\Hydrator\ArrayHydrator; |
|
12
|
|
|
use Stratadox\Hydrator\Hydrates; |
|
13
|
|
|
use Stratadox\Hydrator\OneOfTheseHydrators; |
|
14
|
|
|
use Stratadox\Hydrator\VariadicConstructor; |
|
15
|
|
|
use Stratadox\Instantiator\CannotInstantiateThis; |
|
16
|
|
|
|
|
17
|
|
|
final class Decide implements DefinesMultipleClassMapping |
|
18
|
|
|
{ |
|
19
|
|
|
private $label; |
|
20
|
|
|
private $ownId = []; |
|
21
|
|
|
private $identityColumnsFor; |
|
22
|
|
|
private $decisionKey; |
|
23
|
|
|
/** @var LoadsWhenTriggered[] */ |
|
24
|
|
|
private $choices = []; |
|
25
|
|
|
/** @var MakesConnections[] */ |
|
26
|
|
|
private $relation = []; |
|
27
|
|
|
|
|
28
|
|
|
private function __construct(string $label) |
|
29
|
|
|
{ |
|
30
|
|
|
$this->label = $label; |
|
31
|
|
|
$this->ownId = ['id']; |
|
32
|
|
|
$this->identityColumnsFor[$label] = [$label . '_type', $label . '_id']; |
|
33
|
|
|
} |
|
34
|
|
|
|
|
35
|
|
|
public static function which(string $label): DefinesMultipleClassMapping |
|
36
|
|
|
{ |
|
37
|
|
|
return new self($label); |
|
38
|
|
|
} |
|
39
|
|
|
|
|
40
|
|
|
/** @inheritdoc */ |
|
41
|
|
|
public function basedOn( |
|
42
|
|
|
string $key, |
|
43
|
|
|
LoadsWhenTriggered ...$choices |
|
44
|
|
|
): DefinesMultipleClassMapping { |
|
45
|
|
|
$new = clone $this; |
|
46
|
|
|
$new->decisionKey = $key; |
|
47
|
|
|
$new->choices = $choices; |
|
48
|
|
|
return $new; |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
/** @inheritdoc */ |
|
52
|
|
|
public function by(string ...$columns): DefinesMultipleClassMapping |
|
53
|
|
|
{ |
|
54
|
|
|
$label = $this->label; |
|
55
|
|
|
$new = clone $this; |
|
56
|
|
|
$new->ownId = $columns; |
|
57
|
|
|
array_unshift($columns, $this->decisionKey); |
|
58
|
|
|
$new->identityColumnsFor[$label] = $this->mapThe($columns, $label . '_'); |
|
59
|
|
|
return $new; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** @inheritdoc */ |
|
63
|
|
|
public function havingOne( |
|
64
|
|
|
string $property, |
|
65
|
|
|
string $label |
|
66
|
|
|
): DefinesObjectMapping { |
|
67
|
|
|
$new = clone $this; |
|
68
|
|
|
$new->relation[$label] = HasOne::in($property); |
|
69
|
|
|
return $new; |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
/** @inheritdoc */ |
|
73
|
|
|
public function havingMany( |
|
74
|
|
|
string $property, |
|
75
|
|
|
string $label, |
|
76
|
|
|
string $collectionClass = null |
|
77
|
|
|
): DefinesObjectMapping { |
|
78
|
|
|
$hydrator = $collectionClass ? |
|
79
|
|
|
VariadicConstructor::forThe($collectionClass) : |
|
80
|
|
|
ArrayHydrator::create(); |
|
81
|
|
|
$new = clone $this; |
|
82
|
|
|
$new->relation[$label] = HasMany::in($property, $hydrator); |
|
83
|
|
|
return $new; |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
|
|
/** @inheritdoc */ |
|
87
|
|
|
public function with(array $properties): DefinesMultipleClassMapping |
|
88
|
|
|
{ |
|
89
|
|
|
$new = clone $this; |
|
90
|
|
|
foreach ($this->choices as $i => $choice) { |
|
91
|
|
|
$new->choices[$i] = $choice->with($properties); |
|
92
|
|
|
} |
|
93
|
|
|
return $new; |
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
|
|
/** @inheritdoc */ |
|
97
|
|
|
public function identifying( |
|
98
|
|
|
string $label, |
|
99
|
|
|
string ...$columns |
|
100
|
|
|
): DefinesObjectMapping { |
|
101
|
|
|
$new = clone $this; |
|
102
|
|
|
$new->identityColumnsFor[$label] = $columns; |
|
103
|
|
|
return $new; |
|
104
|
|
|
} |
|
105
|
|
|
|
|
106
|
|
|
/** @inheritdoc */ |
|
107
|
|
|
public function label(): string |
|
108
|
|
|
{ |
|
109
|
|
|
return $this->label; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** @inheritdoc */ |
|
113
|
|
|
public function identityColumns(): array |
|
114
|
|
|
{ |
|
115
|
|
|
return $this->identityColumnsFor[$this->label]; |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
/** @inheritdoc */ |
|
119
|
|
|
public function objects(): MakesObjects |
|
120
|
|
|
{ |
|
121
|
|
|
assert(isset($this->decisionKey)); |
|
122
|
|
|
return Objects::producedByThis( |
|
123
|
|
|
$this->hydrator(), |
|
124
|
|
|
Prefixed::with($this->label), |
|
125
|
|
|
Identified::by(...$this->ownId)->andForLoading($this->decisionKey) |
|
126
|
|
|
); |
|
127
|
|
|
} |
|
128
|
|
|
|
|
129
|
|
|
/** @inheritdoc */ |
|
130
|
|
|
public function wiring(): WiresObjects |
|
131
|
|
|
{ |
|
132
|
|
|
// @todo extract methods |
|
133
|
|
|
$ownLabel = $this->label; |
|
134
|
|
|
$ownId = $this->identityColumnsFor[$ownLabel]; |
|
135
|
|
|
$wires = []; |
|
136
|
|
|
foreach ($this->relation as $otherLabel => $connectThem) { |
|
137
|
|
|
//@todo $this->mustKnowTheIdentityColumnsFor($otherLabel); |
|
138
|
|
|
$otherId = $this->identityColumnsFor[$otherLabel]; |
|
139
|
|
|
$wires[] = Wire::it( |
|
140
|
|
|
From::the($ownLabel, Identified::by(...$ownId)), |
|
141
|
|
|
To::the($otherLabel, Identified::by(...$otherId)), |
|
142
|
|
|
$connectThem |
|
143
|
|
|
); |
|
144
|
|
|
} |
|
145
|
|
|
/** @var LoadsWhenTriggered[] $choices */ |
|
146
|
|
|
$choices = []; |
|
147
|
|
|
foreach ($this->choices as $choice) { |
|
148
|
|
|
foreach ($this->identityColumnsFor as $label => $columns) { |
|
149
|
|
|
$choice = $choice->identifying($label, ...$columns); |
|
150
|
|
|
} |
|
151
|
|
|
$choices[] = $choice->labeled($this->label); |
|
152
|
|
|
|
|
153
|
|
|
} |
|
154
|
|
|
foreach ($choices as $choice) { |
|
155
|
|
|
$wiring = $choice->wiring(); |
|
156
|
|
|
if ($wiring instanceof Countable && count($wiring) === 0) { |
|
157
|
|
|
continue; |
|
158
|
|
|
} |
|
159
|
|
|
$wires[] = $wiring; |
|
160
|
|
|
} |
|
161
|
|
|
if (count($wires) === 1) { |
|
162
|
|
|
return $wires[0]; |
|
163
|
|
|
} |
|
164
|
|
|
return Wired::together(...$wires); |
|
165
|
|
|
} |
|
166
|
|
|
|
|
167
|
|
|
/** |
|
168
|
|
|
* @return Hydrates |
|
169
|
|
|
* @throws InvalidMapperConfiguration |
|
170
|
|
|
* @throws CannotInstantiateThis |
|
171
|
|
|
*/ |
|
172
|
|
|
private function hydrator(): Hydrates |
|
173
|
|
|
{ |
|
174
|
|
|
$choices = []; |
|
175
|
|
|
foreach ($this->choices as $choice) { |
|
176
|
|
|
$choices[$choice->decisionTrigger()] = $choice->hydrator(); |
|
177
|
|
|
} |
|
178
|
|
|
return OneOfTheseHydrators::decideBasedOnThe( |
|
179
|
|
|
$this->decisionKey, |
|
180
|
|
|
$choices |
|
181
|
|
|
); |
|
182
|
|
|
} |
|
183
|
|
|
|
|
184
|
|
|
/** |
|
185
|
|
|
* Prepends the identifying columns with a label. |
|
186
|
|
|
* |
|
187
|
|
|
* @param array $columns |
|
188
|
|
|
* @return array |
|
189
|
|
|
*/ |
|
190
|
|
|
private function mapThe(array $columns, string $prefix): array |
|
191
|
|
|
{ |
|
192
|
|
|
return array_map(function(string $column) use ($prefix): string { |
|
193
|
|
|
return $prefix . $column; |
|
194
|
|
|
}, $columns); |
|
195
|
|
|
} |
|
196
|
|
|
} |
|
197
|
|
|
|
Stratadox /
TableLoader
