Issue #100 : base pour utilisation SQLite

Ajout de la structure pour l'utilisation de SQLite. Tout n'est pas
fonctionnel, loin de là, certaines requêtes SQL ne passent pas.

Pour essayer tout de même, décommenter le bloc TODO dans le fichier
public/install.php

app/models/Entry.php

@@ -350,7 +350,7 @@ class EntryDAO extends Model_pdo {
 
 	public function cleanOldEntries ($nb_month) {
 		$date = 60 * 60 * 24 * 30 * $nb_month;
-		$sql = 'DELETE FROM ' . $this->prefix . 'entry WHERE date <= ? AND is_favorite = 0 AND annotation = ""';
+		$sql = 'DELETE FROM ' . $this->prefix . 'entry WHERE date <= ? AND is_favorite = 0';
 		$stm = $this->bd->prepare ($sql);
 
 		$values = array (

lib/minz/Configuration.php

@@ -217,6 +217,7 @@ class Configuration {
 				);
 			}
 
+			self::$db['type'] = isset ($db['type']) ? $db['type'] : 'mysql';
 			self::$db['host'] = $db['host'];
 			self::$db['user'] = $db['user'];
 			self::$db['password'] = $db['password'];

lib/minz/dao/Model_pdo.php

@@ -20,12 +20,21 @@ class Model_pdo {
 	 * Créé la connexion à la base de données à l'aide des variables
 	 * HOST, BASE, USER et PASS définies dans le fichier de configuration
 	 */
-	public function __construct ($type = 'mysql') {
+	public function __construct () {
 		$db = Configuration::dataBase ();
+
 		try {
-			$string = $type
-			        . ':host=' . $db['host']
-			        . ';dbname=' . $db['base'];
+			$type = $db['type'];
+			if($type == 'mysql') {
+				$string = $type
+				        . ':host=' . $db['host']
+				        . ';dbname=' . $db['base'];
+			} elseif($type == 'sqlite') {
+				$string = $type
+				        . ':/' . PUBLIC_PATH
+				        . '/data/' . $db['base'] . '.sqlite';
+			}
+
 			$this->bd = new PDO (
 				$string,
 				$db['user'],

public/data/.gitignore

@@ -1,2 +1,3 @@
 favicons
 Configuration.array.php
+*.sqlite

public/install.php

@@ -8,14 +8,30 @@ if (isset ($_GET['step'])) {
 	define ('STEP', 1);
 }
 
-define ('SQL_REQ', 'CREATE TABLE IF NOT EXISTS `%scategory` (
+define ('SQL_REQ_CAT', 'CREATE TABLE IF NOT EXISTS `%scategory` (
   `id` varchar(6) NOT NULL,
   `name` varchar(255) NOT NULL,
   `color` varchar(7) NOT NULL,
   PRIMARY KEY (`id`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+);');
 
-CREATE TABLE IF NOT EXISTS `%sentry` (
+define ('SQL_REQ_FEED', 'CREATE TABLE IF NOT EXISTS `%sfeed` (
+  `id` varchar(6) NOT NULL,
+  `url` text NOT NULL,
+  `category` varchar(6) DEFAULT \'000000\',
+  `name` varchar(255) NOT NULL,
+  `website` text NOT NULL,
+  `description` text NOT NULL,
+  `lastUpdate` int(11) NOT NULL,
+  `priority` int(2) NOT NULL DEFAULT \'10\',
+  `pathEntries` varchar(500) DEFAULT NULL,
+  `httpAuth` varchar(500) DEFAULT NULL,
+  `error` int(1) NOT NULL DEFAULT \'0\',
+  PRIMARY KEY (`id`),
+  FOREIGN KEY (`category`) REFERENCES %scategory(id) ON DELETE SET NULL ON UPDATE CASCADE
+);');
+
+define ('SQL_REQ_ENTRY', 'CREATE TABLE IF NOT EXISTS `%sentry` (
   `id` varchar(6) NOT NULL,
   `guid` text NOT NULL,
   `title` varchar(255) NOT NULL,
@@ -27,33 +43,12 @@ CREATE TABLE IF NOT EXISTS `%sentry` (
   `is_favorite` int(11) NOT NULL,
   `is_public` int(1) NOT NULL,
   `id_feed` varchar(6) NOT NULL,
-  `annotation` text NOT NULL,
   `tags` text NOT NULL,
   `lastUpdate` int(11) NOT NULL,
   PRIMARY KEY (`id`),
-  KEY `id_feed` (`id_feed`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+  FOREIGN KEY (`id_feed`) REFERENCES %sfeed(id) ON DELETE CASCADE ON UPDATE CASCADE
+);');
 
-CREATE TABLE IF NOT EXISTS `%sfeed` (
-  `id` varchar(6) NOT NULL,
-  `url` text NOT NULL,
-  `category` varchar(6) DEFAULT \'000000\',
-  `name` varchar(255) NOT NULL,
-  `website` text NOT NULL,
-  `description` text NOT NULL,
-  `lastUpdate` int(11) NOT NULL,
-  `priority` int(2) NOT NULL DEFAULT \'10\',
-  `pathEntries` varchar(500) DEFAULT NULL,
-  `httpAuth` varchar(500) DEFAULT NULL,
-  `error` int(1) NOT NULL DEFAULT \'0\',
-  PRIMARY KEY (`id`),
-  KEY `category` (`category`)
-) ENGINE=InnoDB DEFAULT CHARSET=utf8;
-
-ALTER TABLE `%sentry`
-  ADD CONSTRAINT `entry_ibfk_1` FOREIGN KEY (`id_feed`) REFERENCES `%sfeed` (`id`) ON DELETE CASCADE ON UPDATE CASCADE;
-ALTER TABLE `%sfeed`
-  ADD CONSTRAINT `feed_ibfk_4` FOREIGN KEY (`category`) REFERENCES `%scategory` (`id`) ON DELETE SET NULL ON UPDATE CASCADE;');
 
 function writeLine ($f, $line) {
 	fwrite ($f, $line . "\n");
@@ -166,12 +161,14 @@ function saveStep2 () {
 }
 function saveStep3 () {
 	if (!empty ($_POST)) {
-		if (empty ($_POST['host']) ||
+		if (empty ($_POST['type']) ||
+		    empty ($_POST['host']) ||
 		    empty ($_POST['user']) ||
 		    empty ($_POST['base'])) {
 			$_SESSION['bd_error'] = true;
 		}
 
+		$_SESSION['bd_type'] = isset ($_POST['type']) ? $_POST['type'] : 'mysql';
 		$_SESSION['bd_host'] = addslashes ($_POST['host']);
 		$_SESSION['bd_user'] = addslashes ($_POST['user']);
 		$_SESSION['bd_pass'] = addslashes ($_POST['pass']);
@@ -187,6 +184,7 @@ function saveStep3 () {
 		writeLine ($f, 'base_url = "' . $_SESSION['base_url'] . '"');
 		writeLine ($f, 'title = "' . $_SESSION['title'] . '"');
 		writeLine ($f, '[db]');
+		writeLine ($f, 'type = "' . $_SESSION['bd_type'] . '"');
 		writeLine ($f, 'host = "' . $_SESSION['bd_host'] . '"');
 		writeLine ($f, 'user = "' . $_SESSION['bd_user'] . '"');
 		writeLine ($f, 'password = "' . $_SESSION['bd_pass'] . '"');
@@ -277,7 +275,8 @@ function checkStep2 () {
 }
 function checkStep3 () {
 	$conf = file_exists (APP_PATH . '/configuration/application.ini');
-	$bd = isset ($_SESSION['bd_host']) &&
+	$bd = isset ($_SESSION['bd_type']) &&
+	      isset ($_SESSION['bd_host']) &&
 	      isset ($_SESSION['bd_user']) &&
 	      isset ($_SESSION['bd_pass']) &&
 	      isset ($_SESSION['bd_name']);
@@ -294,19 +293,33 @@ function checkBD () {
 	$error = false;
 
 	try {
-		$c = new PDO ('mysql:host=' . $_SESSION['bd_host'] . ';dbname=' . $_SESSION['bd_name'],
+		$str = '';
+		if($_SESSION['bd_type'] == 'mysql') {
+			$str = 'mysql:host=' . $_SESSION['bd_host'] . ';dbname=' . $_SESSION['bd_name'];
+		} elseif($_SESSION['bd_type'] == 'sqlite') {
+			$str = 'sqlite:' . PUBLIC_PATH
+			     . '/data/' . $_SESSION['bd_name'] . '.sqlite';
+		}
+
+		$c = new PDO ($str,
 			      $_SESSION['bd_user'],
 			      $_SESSION['bd_pass']);
-		$sql = sprintf (
-			SQL_REQ,
-			$_SESSION['bd_prefix'],
-                        $_SESSION['bd_prefix'],
-                        $_SESSION['bd_prefix'],
-                        $_SESSION['bd_prefix'],
-                        $_SESSION['bd_prefix'],
-                        $_SESSION['bd_prefix'],
-                        $_SESSION['bd_prefix']
-		);
+
+		$sql = sprintf (SQL_REQ_CAT, $_SESSION['bd_prefix']);
+		$res = $c->query ($sql);
+
+		if (!$res) {
+			$error = true;
+		}
+
+		$sql = sprintf (SQL_REQ_FEED, $_SESSION['bd_prefix'], $_SESSION['bd_prefix']);
+		$res = $c->query ($sql);
+
+		if (!$res) {
+			$error = true;
+		}
+
+		$sql = sprintf (SQL_REQ_ENTRY, $_SESSION['bd_prefix'], $_SESSION['bd_prefix']);
 		$res = $c->query ($sql);
 
 		if (!$res) {
@@ -496,6 +509,25 @@ function printStep3 () {
 
 	<form action="index.php?step=3" method="post">
 		<legend><?php echo _t ('bdd_configuration'); ?></legend>
+		<!--
+		TODO : l'utilisation de SQLite n'est pas encore possible. Pour tester tout de même, décommentez ce bloc
+		<div class="form-group">
+			<label class="group-name" for="type"><?php echo _t ('bdd_type'); ?></label>
+			<div class="group-controls">
+				<select name="type" id="type">
+				<option value="mysql"
+					<?php echo $_SESSION['bd_type'] && $_SESSION['bd_type'] == 'mysql' ? 'selected="selected"' : ''; ?>>
+					MySQL
+				</option>
+				<option value="sqlite"
+					<?php echo $_SESSION['bd_type'] && $_SESSION['bd_type'] == 'sqlite' ? 'selected="selected"' : ''; ?>>
+					SQLite
+				</option>
+				</select>
+			</div>
+		</div>
+		-->
+
 		<div class="form-group">
 			<label class="group-name" for="host"><?php echo _t ('host'); ?></label>
 			<div class="group-controls">