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<?php |
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/** |
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* Created by PhpStorm. |
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* User: alex |
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* Date: 13/02/20 |
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* Time: 4:22 AM |
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*/ |
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namespace AlgoWeb\PODataLaravel\Models; |
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use Illuminate\Database\Eloquent\Model; |
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use Illuminate\Database\Eloquent\Relations\BelongsToMany; |
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use Illuminate\Database\Eloquent\Relations\HasManyThrough; |
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use Illuminate\Database\Eloquent\Relations\Relation; |
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use Mockery\Mock; |
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use POData\Common\InvalidOperationException; |
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trait MetadataKeyMethodNamesTrait |
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{ |
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protected static $methodAlternate = []; |
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protected static $methodPrimary = []; |
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/** |
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* @param Relation $foo |
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* @return array|null |
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* @throws InvalidOperationException |
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*/ |
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protected function getRelationsHasManyKeyNames(Relation $foo) |
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{ |
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$thruName = null; |
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if ($foo instanceof HasManyThrough) { |
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list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodBackupNames($foo, true); |
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$thruName = $this->polyglotThroughKeyMethodNames($foo); |
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return [$thruName, $fkMethodName, $rkMethodName]; |
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} |
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if ($foo instanceof BelongsToMany) { |
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list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodNames($foo, true); |
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return [$thruName, $fkMethodName, $rkMethodName]; |
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} |
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list($fkMethodName, $rkMethodName) = $this->polyglotKeyMethodBackupNames($foo, true); |
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return [$thruName, $fkMethodName, $rkMethodName]; |
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} |
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/** |
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* @param Relation $foo |
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* @param mixed $condition |
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* |
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* @return array |
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* @throws InvalidOperationException |
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*/ |
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protected function polyglotKeyMethodNames(Relation $foo, $condition = false) |
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{ |
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// if $condition is falsy, return quickly - don't muck around |
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if (!$condition) { |
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return [null, null]; |
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} |
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$fkList = ['getQualifiedForeignKeyName', 'getForeignKey']; |
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$rkList = ['getQualifiedRelatedKeyName', 'getOtherKey', 'getOwnerKey', 'getQualifiedOwnerKeyName']; |
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$fkMethodName = null; |
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$rkMethodName = null; |
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if (array_key_exists(get_class($foo), static::$methodPrimary)) { |
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$line = static::$methodPrimary[get_class($foo)]; |
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$fkMethodName = $line['fk']; |
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$rkMethodName = $line['rk']; |
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} else { |
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$methodList = $this->getRelationClassMethods($foo); |
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$fkMethodName = 'getQualifiedForeignPivotKeyName'; |
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$fkIntersect = array_values(array_intersect($fkList, $methodList)); |
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$fkMethodName = (0 < count($fkIntersect)) ? $fkIntersect[0] : $fkMethodName; |
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if (!(in_array($fkMethodName, $methodList))) { |
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$msg = 'Selected method, ' . $fkMethodName . ', not in method list'; |
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throw new InvalidOperationException($msg); |
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} |
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$rkMethodName = 'getQualifiedRelatedPivotKeyName'; |
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$rkIntersect = array_values(array_intersect($rkList, $methodList)); |
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$rkMethodName = (0 < count($rkIntersect)) ? $rkIntersect[0] : $rkMethodName; |
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if (!(in_array($rkMethodName, $methodList))) { |
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$msg = 'Selected method, ' . $rkMethodName . ', not in method list'; |
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throw new InvalidOperationException($msg); |
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} |
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$line = ['fk' => $fkMethodName, 'rk' => $rkMethodName]; |
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static::$methodPrimary[get_class($foo)] = $line; |
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} |
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return [$fkMethodName, $rkMethodName]; |
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} |
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/** |
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* @param Relation $foo |
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* @param bool $condition |
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* @return array |
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* @throws InvalidOperationException |
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*/ |
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protected function polyglotKeyMethodBackupNames(Relation $foo, $condition = false) |
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{ |
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// if $condition is falsy, return quickly - don't muck around |
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if (!$condition) { |
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return [null, null]; |
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} |
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$fkList = ['getForeignKey', 'getForeignKeyName', 'getQualifiedFarKeyName']; |
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$rkList = ['getOtherKey', 'getQualifiedParentKeyName']; |
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$fkMethodName = null; |
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$rkMethodName = null; |
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if (array_key_exists(get_class($foo), static::$methodAlternate)) { |
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$line = static::$methodAlternate[get_class($foo)]; |
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$fkMethodName = $line['fk']; |
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$rkMethodName = $line['rk']; |
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} else { |
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$methodList = $this->getRelationClassMethods($foo); |
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$fkCombo = array_values(array_intersect($fkList, $methodList)); |
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if (!(1 <= count($fkCombo))) { |
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$msg = 'Expected at least 1 element in foreign-key list, got ' . count($fkCombo); |
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throw new InvalidOperationException($msg); |
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} |
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$fkMethodName = $fkCombo[0]; |
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$rkCombo = array_values(array_intersect($rkList, $methodList)); |
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if (!(1 <= count($rkCombo))) { |
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$msg = 'Expected at least 1 element in related-key list, got ' . count($rkCombo); |
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throw new InvalidOperationException($msg); |
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} |
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$rkMethodName = $rkCombo[0]; |
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$line = ['fk' => $fkMethodName, 'rk' => $rkMethodName]; |
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static::$methodAlternate[get_class($foo)] = $line; |
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} |
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return [$fkMethodName, $rkMethodName]; |
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} |
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protected function polyglotThroughKeyMethodNames(HasManyThrough $foo) |
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{ |
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$thruList = ['getThroughKey', 'getQualifiedFirstKeyName']; |
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$methodList = $this->getRelationClassMethods($foo); |
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$thruCombo = array_values(array_intersect($thruList, $methodList)); |
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return $thruCombo[0]; |
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} |
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/** |
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* @param Model $model |
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* @return array |
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*/ |
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protected function getModelClassMethods(Model $model) |
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{ |
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$methods = get_class_methods($model); |
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$filter = function ($method) { |
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return (!method_exists('Illuminate\Database\Eloquent\Model', $method) |
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&& !method_exists(Mock::class, $method) |
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&& !method_exists(MetadataTrait::class, $method) |
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); |
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}; |
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$methods = array_filter($methods, $filter); |
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return $methods; |
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} |
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/** |
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* @param Relation $rel |
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* @return array |
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*/ |
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protected function getRelationClassMethods(Relation $rel) |
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{ |
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$methods = get_class_methods($rel); |
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return $methods; |
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} |
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protected function resetKeyMethod() |
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{ |
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static::$methodPrimary = []; |
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static::$methodAlternate = []; |
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} |
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} |
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Algo-Web /
POData-Laravel
