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<?php |
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namespace TopviewDigital\UniqueJsonRule; |
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use DB; |
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class UniqueJsonValidator |
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{ |
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/** |
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* Check if the translated value is unique in the database. |
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* |
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* @param string $attribute |
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* @param string $value |
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* @param array $parameters |
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* @param \Illuminate\Validation\Validator $validator |
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* |
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* @return bool |
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*/ |
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public function validate($attribute, $value, array $parameters, $validator) |
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{ |
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list($name, $json_field) = array_map('trim', explode('.', $attribute)); |
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$parameters = array_map('trim', $parameters); |
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$parameters = array_map(function ($u) { |
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return strtolower($u) == 'null' || empty($u) ? null : $u; |
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}, $parameters); |
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list($table, $combined_fields, $except_value, $id_field) = array_pad($parameters, 4, null); |
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list($field, $json) = array_pad( |
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array_filter(explode('->', $combined_fields), 'strlen'), |
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2, |
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null |
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); |
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$field = $field ?: $name; |
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$json = $json ?? $json_field; |
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return $this->findJsonValue( |
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$value, |
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$json, |
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$table, |
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$field, |
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$except_value, |
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$id_field |
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); |
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} |
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/** |
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* Check if a translation is unique. |
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* |
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* @param mixed $value |
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* @param string $locale |
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* @param string $table |
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* @param string $column |
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* @param mixed $ignoreValue |
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* @param string|null $ignoreColumn |
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* |
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* @return bool |
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*/ |
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protected function findJsonValue( |
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$value, |
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$json, |
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$table, |
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$field, |
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$except_value, |
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$id_field |
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) { |
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$except_value = $except_value ?? null; |
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$id_field = $id_field ?? 'id'; |
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$query = DB::table($table)->where("{$field}->{$json}", $value); |
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if ($except_value) { |
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$query = $query->where($id_field, '!=', $except_value); |
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} |
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return $query->count() === 0; |
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} |
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} |
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robinhoo1973 /
laravel-unique-json-rule
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.