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<?php declare(strict_types=1); |
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namespace Modelarium\Laravel\Directives; |
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use Formularium\Factory\DatatypeFactory; |
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use GraphQL\Type\Definition\ObjectType; |
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use Illuminate\Support\Str; |
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use Modelarium\Exception\Exception; |
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use Modelarium\Parser; |
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use Modelarium\Datatype\RelationshipFactory; |
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use Modelarium\Laravel\Targets\ModelGenerator; |
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use Modelarium\Laravel\Targets\SeedGenerator; |
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use Modelarium\Laravel\Targets\Interfaces\ModelDirectiveInterface; |
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use Modelarium\Laravel\Targets\Interfaces\SeedDirectiveInterface; |
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class MorphToManyDirective implements ModelDirectiveInterface, SeedDirectiveInterface |
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{ |
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public static function processModelTypeDirective( |
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ModelGenerator $generator, |
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\GraphQL\Language\AST\DirectiveNode $directive |
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): void { |
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// nothing |
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} |
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public static function processModelFieldDirective( |
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ModelGenerator $generator, |
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\GraphQL\Type\Definition\FieldDefinition $field, |
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\Formularium\Field $fieldFormularium, |
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\GraphQL\Language\AST\DirectiveNode $directive |
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): void { |
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// nothing |
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} |
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public static function processModelRelationshipDirective( |
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ModelGenerator $generator, |
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\GraphQL\Type\Definition\FieldDefinition $field, |
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\GraphQL\Language\AST\DirectiveNode $directive, |
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\Formularium\Datatype $datatype = null |
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): ?\Formularium\Datatype { |
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$name = $directive->name->value; |
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list($type, $isRequired) = Parser::getUnwrappedType($field->getType()); |
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$typeName = $type->name; |
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$lowerName = lcfirst($generator->getInflector()->singularize($field->name)); |
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$lowerNamePlural = $generator->getInflector()->pluralize($lowerName); |
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$sourceTypeName = $generator->getBaseName(); |
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$targetTypeName = $lowerName; |
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$relationship = null; |
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$isInverse = false; |
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$generateRandom = true; // TODO |
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$relationship = RelationshipFactory::MORPH_ONE_TO_MANY; |
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$isInverse = false; |
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$targetType = $generator->parser->getType($typeName); |
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if (!$targetType) { |
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throw new Exception("Cannot get type {$typeName} as a relationship to {$generator->getBaseName()}"); |
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} elseif (!($targetType instanceof ObjectType)) { |
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throw new Exception("{$typeName} is not a type for a relationship to {$generator->getBaseName()}"); |
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} |
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$targetField = null; |
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foreach ($targetType->getFields() as $subField) { |
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$subDir = Parser::getDirectives($subField->astNode->directives); |
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if (array_key_exists('morphTo', $subDir) || array_key_exists('morphedByMany', $subDir)) { |
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$targetField = $subField->name; |
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break; |
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} |
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} |
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if (!$targetField) { |
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throw new Exception("{$targetType} does not have a '@morphTo' or '@morphToMany' field"); |
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} |
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$generator->class->addMethod($field->name) |
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->setReturnType('\Illuminate\Database\Eloquent\Relations\MorphToMany') |
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->setPublic() |
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->setBody("return \$this->{$name}($typeName::class, '$targetField');"); |
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$datatypeName = $generator->getRelationshipDatatypeName( |
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$relationship, |
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$isInverse, |
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$sourceTypeName, |
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$targetTypeName |
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); |
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return DatatypeFactory::factory($datatypeName); |
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} |
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public static function processSeedTypeDirective( |
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SeedGenerator $generator, |
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\GraphQL\Language\AST\DirectiveNode $directive |
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): void { |
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// empty |
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} |
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public static function processSeedFieldDirective( |
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SeedGenerator $generator, |
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\GraphQL\Type\Definition\FieldDefinition $field, |
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\GraphQL\Language\AST\DirectiveNode $directive |
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): void { |
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$type1 = $generator->getLowerName(); |
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$type2 = $generator->getInflector()->singularize($field->name); |
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if (strcasecmp($type1, $type2) < 0) { // TODO: check this, might not work |
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$relationship = lcfirst($generator->getInflector()->pluralize($field->name)); |
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$generator->extraCode[] = self::makeManyToManySeed($type1, $type2, $relationship); |
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} |
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} |
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protected static function makeManyToManySeed(string $sourceModel, string $targetModel, string $relationship): string |
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{ |
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$className = Str::studly($targetModel); |
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return <<<EOF |
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try { |
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\${$targetModel}Items = App\\Models\\$className::all(); |
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\$model->{$relationship}()->attach( |
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\${$targetModel}Items->random(rand(1, 3))->pluck('id')->toArray() |
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); |
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} |
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catch (\InvalidArgumentException \$e) { |
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\$model->{$relationship}()->attach( |
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\${$targetModel}Items->random(1)->pluck('id')->toArray() |
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); |
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} |
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EOF; |
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} |
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} |
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Corollarium /
modelarium
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