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115 lines
3.5 KiB
115 lines
3.5 KiB
<?php
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namespace gateway;
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use PDO;
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use PDOException;
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use Exception;
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use config\Connection;
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use model\Group;
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class GroupGateway extends AbsGateway
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{
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public function __construct(){
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parent::__construct();
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}
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public function add(array $parameters): int //require 4 elements
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{
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try{
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$query = "INSERT INTO Group_ values(null, :num,:year,:sec)";
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$args = array(':num'=>array($parameters[0],PDO::PARAM_INT),
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':year'=>array($parameters[1],PDO::PARAM_INT),
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':sec'=>array($parameters[2],PDO::PARAM_STR));
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$this->con->ExecuteQuery($query,$args);
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return $this->con->lastInsertId();
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}
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catch (PDOException $e){
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throw new Exception($e->getMessage());
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}
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}
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public function remove(int $id): void
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{
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try{
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$query="UPDATE User_ SET groupID=NULL WHERE groupID=:id";
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$args = array(':id' => array($id, PDO::PARAM_INT));
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$this->con->executeQuery($query, $args);
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$query = "DELETE FROM Practice WHERE groupID=:id ";
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$args = array(':id' => array($id, PDO::PARAM_INT));
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$this->con->executeQuery($query, $args);
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$query = "DELETE FROM Group_ WHERE id=:id ";
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$args = array(':id' => array($id, PDO::PARAM_INT));
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$this->con->executeQuery($query, $args);
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}
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catch (PDOException $e){
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throw new Exception($e->getMessage());
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}
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}
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public function findAll(): array
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{
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try{
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$query = "SELECT * FROM Group_";
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$this->con->ExecuteQuery($query);
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$res = $this->con->getResults();
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$tab_group=[];
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foreach($res as $r){
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$tab_group[]=new Group($r['id'],$r['num'],$r['year'],$r['sector']);
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}
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Return $tab_group;
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}
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catch(PDOException $e ){
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throw new Exception($e->getMessage());
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}
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}
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public function findById(int $id)
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{
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try{
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$query = "SELECT * FROM Group_ WHERE id = :id";
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$args = array(':id'=>array($id, PDO::PARAM_INT));
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$this->con->executeQuery($query, $args);
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return $this->con->getResults();
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}
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catch (PDOException $e){
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throw new Exception($e->getMessage());
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}
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}
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public function findByNum(String $num): array{
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try{
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$query = "SELECT * FROM Group_ g WHERE g.num = :num";
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$args = array(':num'=>array($num,PDO::PARAM_INT));
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$this->con->ExecuteQuery($query,$args);
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$res = $this->con->getResults();
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$tab_group=[];
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foreach($res as $r){
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$tab_group[]=new Group($r['id'],$r['num'],$r['year'],$r['sector']);
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}
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Return $tab_group;
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}
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catch(PDOException $e ){
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throw new Exception($e->getMessage());
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}
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}
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public function ModifGroupById(int $id, int $num, int $year ,String $sector):void{
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try{
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$query = "UPDATE Group_ SET num=:num, year=:year, sector=:sector WHERE id=:id";
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$args = array(':id'=>array($id,PDO::PARAM_INT),
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':num'=>array($num,PDO::PARAM_INT),
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':year'=>array($year,PDO::PARAM_INT),
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':sector'=>array($sector,PDO::PARAM_STR));
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$this->con->ExecuteQuery($query,$args);
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}
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catch (PDOException $e){
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throw new Exception($e->getMessage());
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}
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}
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} |