PDO Refactoring and Collaborators

Author: prakhargvp

Task.php

@@ -0,0 +1,8 @@
+<?php
+
+require 'database/Connection.php';
+require 'database/QueryBuilder.php';
+
+return new QueryBuilder(
+	Connection::make()
+);

bootstrap.php

@@ -0,0 +1,13 @@
+<?php
+class Connection 
+{
+
+	public static function make() {
+		try {
+			return new PDO('mysql:host=127.0.0.1;dbname=mytodo', 'prakhar', '');
+		} catch(PDOException $e) {
+			die($e->getMessage());
+		}			
+	}
+
+}

database/Connection.php

@@ -0,0 +1,19 @@
+<?php
+
+class QueryBuilder 
+{
+	protected $pdo;
+	public function __construct($pdo)
+	{	
+		$this->pdo = $pdo;
+	}
+
+	public function selectAll($table) 
+	{
+		$statement = $this->pdo->prepare("select * from {$table}");
+
+		$statement->execute();
+		// Generally little careful about it, fetch
+		return $statement->fetchAll(PDO::FETCH_CLASS);		
+	}
+}

database/QueryBuilder.php

@@ -1,9 +1,7 @@
 <?php 
 
-require 'functions.php';
-require 'Task.php';
+$query = require 'bootstrap.php';
 
-$pdo = connectToDb();
-$tasks = fetchAllTasks($pdo);
+$tasks = $query->selectAll('todos');
 
 require 'index.view.php';