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<?php |
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declare(strict_types=1); |
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namespace Stratadox\TableLoader; |
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use function array_merge; |
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use function count; |
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use function is_null; |
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use Stratadox\Hydration\Mapper\Mapper; |
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use Stratadox\Hydrator\ArrayHydrator; |
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use Stratadox\Hydrator\Hydrates; |
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use Stratadox\Hydrator\SimpleHydrator; |
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use Stratadox\Hydrator\VariadicConstructor; |
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final class InCase implements LoadsWhenTriggered |
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{ |
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private $trigger; |
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private $class; |
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private $identityColumnsFor = []; |
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private $properties = []; |
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private $relation = []; |
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private $label; |
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private function __construct(string $trigger) |
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{ |
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$this->trigger = $trigger; |
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} |
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public static function of( |
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string $trigger |
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): LoadsWhenTriggered { |
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return new self($trigger); |
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} |
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/** @inheritdoc */ |
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public function as( |
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string $class, |
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array $properties = [] |
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): LoadsWhenTriggered { |
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$new = clone $this; |
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$new->class = $class; |
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$new->properties = $properties; |
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return $new; |
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} |
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/** @inheritdoc */ |
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public function with(array $properties): LoadsWhenTriggered |
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{ |
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$new = clone $this; |
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$new->properties = array_merge($this->properties, $properties); |
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return $new; |
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} |
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/** @inheritdoc */ |
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public function havingOne( |
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string $property, |
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string $label = null |
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): LoadsWhenTriggered { |
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$new = clone $this; |
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$new->relation[$label ?: $property] = HasOne::in($property); |
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return $new; |
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} |
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/** @inheritdoc */ |
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public function havingMany( |
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string $property, |
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string $label, |
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string $collectionClass = null |
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): LoadsWhenTriggered { |
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$hydrator = $collectionClass ? |
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VariadicConstructor::forThe($collectionClass) : |
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ArrayHydrator::create(); |
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$new = clone $this; |
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$new->relation[$label] = HasMany::in($property, $hydrator); |
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return $new; |
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} |
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/** @inheritdoc */ |
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public function identifying( |
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string $label, |
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string ...$columns |
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): LoadsWhenTriggered { |
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$new = clone $this; |
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$new->identityColumnsFor[$label] = $columns; |
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return $new; |
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} |
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/** @inheritdoc */ |
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public function labeled(string $label): LoadsWhenTriggered |
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{ |
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$new = clone $this; |
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$new->label = $label; |
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return $new; |
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} |
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/** @inheritdoc */ |
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public function decisionTrigger(): string |
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{ |
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return $this->trigger; |
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} |
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/** @inheritdoc */ |
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public function hydrator(): Hydrates |
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{ |
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if (empty($this->properties)) { |
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return SimpleHydrator::forThe($this->class); |
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} |
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$mapper = Mapper::forThe($this->class); |
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foreach ($this->properties as $name => $instruction) { |
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$mapper = $mapper->property($name, $instruction); |
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} |
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return $mapper->finish(); |
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} |
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/** @inheritdoc */ |
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public function wiring(): WiresObjects |
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{ |
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$ownLabel = $this->label; |
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if (is_null($ownLabel)) { |
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throw CannotMakeMapping::missingTheLabelFor($this->trigger); |
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} |
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$ownId = $this->identityColumnsFor[$ownLabel]; |
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$wires = []; |
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foreach ($this->relation as $otherLabel => $connectThem) { |
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$this->mustKnowTheIdentityColumnsFor($otherLabel); |
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$otherId = $this->identityColumnsFor[$otherLabel]; |
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$wires[] = Wire::it( |
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From::onlyThe($this->class, $ownLabel, Identified::by(...$ownId)), |
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To::the($otherLabel, Identified::by(...$otherId)), |
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$connectThem |
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); |
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} |
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if (count($wires) === 1) { |
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return $wires[0]; |
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} |
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return Wired::together(...$wires); |
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} |
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/** @throws CannotMakeMapping */ |
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private function mustKnowTheIdentityColumnsFor(string $label): void |
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{ |
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if (!isset($this->identityColumnsFor[$label])) { |
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throw CannotMakeMapping::missingTheIdentityColumns($label, $this->label); |
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} |
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} |
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} |
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Stratadox /
TableLoader
