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<?php |
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namespace Mtolhuys\LaravelSchematics\Services; |
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use Illuminate\Database\Eloquent\Relations\Relation; |
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use ReflectionException; |
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use Illuminate\Support\Collection; |
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use ReflectionClass; |
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use ReflectionMethod; |
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class RelationMapper |
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{ |
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public static $relations = []; |
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/** |
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* Maps relations details map through array of Eloquent models |
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* |
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* @param null $models |
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* @return array |
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* @throws ReflectionException |
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*/ |
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public static function map($models = null): array |
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{ |
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$models = $models ?? ModelMapper::map(); |
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foreach ($models as $model) { |
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foreach (self::getMethods($model) as $method) { |
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$details = self::getDetails($method, $model); |
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if ($details) { |
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if (empty(self::$relations[$details->table])) { |
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self::$relations[$details->table] = []; |
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} |
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self::$relations[$details->table][] = $details; |
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} |
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} |
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} |
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return self::$relations; |
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} |
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/** |
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* @param string $model |
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* @return Collection |
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* @throws ReflectionException |
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*/ |
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public static function getMethods(string $model) |
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{ |
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$class = new ReflectionClass($model); |
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return Collection::make($class->getMethods(ReflectionMethod::IS_PUBLIC)) |
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->merge(Collection::make($class->getTraits()) |
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->map(function (ReflectionClass $trait) { |
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return Collection::make( |
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$trait->getMethods(ReflectionMethod::IS_PUBLIC) |
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); |
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})->flatten() |
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) |
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->reject(function (ReflectionMethod $method) use ($model) { |
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return $method->class !== $model || $method->getNumberOfParameters() > 0; |
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}); |
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} |
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/** |
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* @param ReflectionMethod $method |
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* @param string $model |
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* @return object|null |
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*/ |
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protected static function getDetails(ReflectionMethod $method, string $model) |
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{ |
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try { |
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$class = app($model); |
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$invocation = $method->invoke($class); |
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if ($invocation instanceof Relation) { |
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$related = $invocation->getRelated(); |
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return (object)[ |
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'model' => $model, |
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'table' => $class->getTable(), |
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'type' => (new ReflectionClass($invocation))->getShortName(), |
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'relation' => (object)[ |
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'model' => get_class($related), |
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'table' => $related->getTable(), |
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], |
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'method' => (object)[ |
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'name' => $method->getName(), |
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'file' => $method->getFileName(), |
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'line' => $method->getStartLine(), |
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], |
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]; |
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} |
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} catch (\Throwable $e) {} |
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return null; |
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} |
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} |
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mtolhuys /
laravel-schematics
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