Merge branch 'master' of http://www.github.com/babolivier/isen-rentree

models/connector.class.php

@@ -0,0 +1,131 @@
+<?php
+
+/*******************************************************************************
+* Classe Connector                                                             *
+* Auteur : Brendan Abolivier                                                   *
+* Fonction : Permettre une gestion plus facile et plus claire de la connexion  *
+*            au serveur MySQL                                                  *
+*                                                                              *
+*    Attribut :                                                                *
+*        $bdd : objet PDO                                                      *
+*                                                                              *
+* Méthodes :                                                                   *
+*        __construct()                                                         *
+*        Select()                                                              *
+*        Insert()                                                              *
+*        Update()                                                              *
+*******************************************************************************/
+class Connector {
+
+    private $bdd;
+
+    function __construct() {
+        // TODO : Select params to use
+        $dbconnect = array();
+        for($i = 0; $i < sizeof($matches[0]); $i++) {
+            $dbconnect[$matches[1][$i]] = $matches[2][$i];
+        }
+
+        $options = array(
+            PDO::MYSQL_ATTR_INIT_COMMAND => 'SET NAMES utf8',
+        );
+
+        $this->bdd = new PDO("mysql:host=".$dbconnect["host"].";dbname="
+                .$dbconnect["dbname"], $dbconnect["user"], $dbconnect["pass"],
+                $options);
+        $this->bdd->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+    }
+
+    function Select($fields, $tables, $options = array()) {
+        $request = "SELECT $fields FROM $tables ";
+        $arrayVerif = array();
+        foreach($options as $name=>$value) {
+            if(($upName = strtoupper($name)) == "WHERE") {
+                $whereClause = " $upName ";
+                foreach($value as $array) {
+                    if(sizeof($array) != 3 && sizeof($array) != 4) {
+                        throw new Exception('wrong_arg_nmbr_where');
+                    }
+                    if(sizeof($array) == 3) {
+                        $whereClause .= $array[0]." ".$array[1]." ? AND ";
+                        array_push($arrayVerif, $array[2]);
+                    } else {
+                        $whereClause .= $array[0]." ".$array[1]." ".$array[2]
+                                        ." AND ";
+                    }
+                }
+                $request .= substr($whereClause, 0, -5);
+            } else if(($upName = strtoupper($name)) == "ORDER BY") {
+                if(sizeof($value) != 2 && substr($value[0], -2) != "()") {
+                    throw new Exception('wrong_arg_nmbr_order_by');
+                }
+
+                $request .= " ".$upName." ".implode(' ', $value);
+            } else if(($upName = strtoupper($name)) == "LIMIT") {
+                if(sizeof($value) == 1) {
+                    // La colonne "limit" ne contient qu'un nombre de champs
+                    $request .= " $upName ".$value[0];
+                } else if(sizeof($value) == 2) {
+                    // La colonne "limit" contient un index de départ et un
+                    // nombre de champs
+                    $request .= " $upName ".$value[0].",".$value[1];
+                } else {
+                    throw new Exception('wrong_arg_numbr_limit');
+                }
+            } else {
+                throw new Exception('unknown_arg');
+            }
+        }
+
+        $stmt = $this->bdd->prepare($request);
+
+        if($stmt->execute($arrayVerif)) {
+            return $stmt->fetchAll();
+        } else {
+            return null;
+        }
+    }
+
+    function Insert($table, $values) {
+        $request = "INSERT INTO $table(";
+        $valeurs = "VALUES(";
+        $arrayVerif = array();
+        foreach($values as $name=>$value) {
+            $request .= $name.",";
+            $valeurs .= "?,";
+                array_push($arrayVerif, $value);
+        }
+
+        $request = substr($request, 0, -1).") ".substr($valeurs, 0, -1).")";
+
+        $stmt = $this->bdd->prepare($request);
+
+        $stmt->execute($arrayVerif);
+    }
+
+    function Update($table, $update) {
+        $request = "UPDATE $table SET ";
+        $arrayVerif = array();
+        foreach($update['set'] as $name=>$value) {
+            $request .= $name."=?,";
+            array_push($arrayVerif, $value);
+        }
+        $request = substr($request, 0, -1)." WHERE ";
+        foreach($update['where'] as $value) {
+            $request .= $value[0].$value[1]."? AND ";
+            array_push($arrayVerif, $value[2]);
+        }
+        $request = substr($request, 0, -5);
+
+        $stmt = $this->bdd->prepare($request);
+        $stmt->execute($arrayVerif);
+    }
+
+    function beginTransaction() {
+        $this->bdd->beginTransaction();
+    }
+
+    function commit() {
+        $this->bdd->commit();
+    }
+}