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<?php |
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namespace Lifeeka\JSQL\Helpers; |
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use Lifeeka\JSQL\Extractor\JsonExtractor; |
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/** |
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* Class MysqlExtractor. |
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*/ |
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class Json |
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{ |
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private $json_text; |
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private $main_table_name = "main"; |
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private $foreign_keys = []; |
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private $increment = 1; |
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/** |
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* Json constructor. |
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* @param String $json |
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* @param $mainTableName |
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*/ |
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public function __construct(String $json, $mainTableName) |
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{ |
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$this->json_text = $json; |
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$this->json_text = json_encode($this->addID($this->json_text)); |
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$this->json_text = json_encode($this->addForeign($this->json_text)); |
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$this->main_table_name = $mainTableName; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function toArray() |
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{ |
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return json_decode($this->json_text, true); |
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} |
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/** |
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* @return mixed |
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*/ |
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public function toObject() |
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{ |
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$json_object = $this->validate(json_decode($this->json_text)); |
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return $json_object; |
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} |
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/** |
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* @return mixed |
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*/ |
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public function getForeignKeys() |
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{ |
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return $this->foreign_keys; |
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} |
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/** |
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* @param $json |
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* @return object |
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*/ |
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public function validate($json) |
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{ |
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if (is_array($json)) { |
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return (object)[ |
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$this->main_table_name => $json |
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]; |
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} |
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return $json; |
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} |
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/** |
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* @param $array |
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* @param bool $parent_table |
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* @return array|mixed |
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*/ |
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private function addID($array, $parent_table = false) |
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{ |
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if (!is_array($array)) { |
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$array = json_decode($array, true); |
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}//if this is not the first time decode the text |
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$return_array = $array;//return array |
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foreach ($array ?? [] as $key => $array_item) { |
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if (!is_numeric($key) && $parent_table) {//single array table, no column |
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$table_name = $parent_table . '_' . $key; |
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} elseif ($parent_table) {//multiple array items |
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$table_name = $parent_table; |
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} else {//first time loop |
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$table_name = $this->main_table_name; |
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} |
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if (is_array($array_item)) {//if this is a array |
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$array_item = $this->addID($array_item, $table_name, $this->increment);//recursive the array |
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if (empty($array_item['id']) && empty($array_item[0])) {//if this is a single array with no child |
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$array_item = ['id' => $this->increment++] + $array_item;//add id |
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} |
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if (isset($array_item[0]) && !is_array($array_item[0]) && !is_object($array_item[0])) {//reference table |
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$array_item = (object)array_map(function ($item) { |
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return (object)[ |
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'id' => $this->increment++, |
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'value'=>$item |
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]; |
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}, $array_item); |
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} |
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$return_array[$key] = $array_item; |
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} |
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} |
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return $return_array; |
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} |
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/** |
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* @param $array |
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* @param bool $parent_table |
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* @param bool $parent_key |
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* @return array|mixed |
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*/ |
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private function addForeign($array, $parent_table = null, $parent_key = false) |
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{ |
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if (!is_array($array)) { |
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$array = json_decode($array, true); |
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} |
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$return_array = $array; |
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foreach ($array ?? [] as $key => $array_item) { |
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if (!is_numeric($key) && $parent_table) {//single array table, no column |
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$table_name = $parent_table . '_' . $key; |
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} elseif ($parent_table) {//multiple array items |
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$table_name = $parent_table; |
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} elseif (!is_numeric($key)) { //first time loop |
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$table_name = $key; |
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} else {//first time loop |
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$table_name = $this->main_table_name; |
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} |
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if (is_array($array_item)) { |
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$array_item = $this->addForeign($array_item, $table_name, $array_item['id'] ?? ($parent_key ?? false)); |
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$return_array[$key] = $array_item; |
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if ($parent_key && empty($array_item[0])) { |
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$return_array[$key] = $array_item + ['foreign_key' => $parent_key]; |
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} |
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if (!is_numeric($key)) { |
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$this->foreign_keys[JsonExtractor::snakeCase($table_name)] = [ |
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'ref' => $parent_table, |
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'name' => JsonExtractor::snakeCase('foreign_key') |
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]; |
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} |
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} |
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} |
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return $return_array; |
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} |
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} |
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lifeeka /
jsql
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