Obisidian vault auto-backup: 27-01-2026 11:43:39 on . 12 files edited

ISEN/Web/CIPA 4/TP/TP5/docker-compose.yml

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+version: '3.8'
+services:
+  db:
+    image: postgres:17
+    environment:
+      POSTGRES_DB: devweb
+      POSTGRES_USER: postgres
+      POSTGRES_PASSWORD: a
+    ports:
+      - "5432:5432"
+    volumes:
+      - ./sql:/docker-entrypoint-initdb.d

ISEN/Web/CIPA 4/TP/TP5/php/chat.php

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+<?php
+require_once 'database.php';
+
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
+$db = dbConnect();
+
+if (isset($_GET['request']) && $_GET['request'] == 'channels') {
+    $channels = dbGetChannels($db);
+    header('Content-Type: application/json; charset=utf-8');
+    echo json_encode($channels);
+}
+?>

ISEN/Web/CIPA 4/TP/TP5/php/constants.php

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+<?php
+define('DB_USER', 'postgres');
+define('DB_PASSWORD', 'a');
+define('DB_NAME', 'devweb');
+define('DB_SERVER', '127.0.0.1');
+define('DB_PORT', '5432');

ISEN/Web/CIPA 4/TP/TP5/php/database.php

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+<?php
+require_once 'constants.php';
+
+function dbConnect() {
+    $dsn = 'pgsql:dbname=' . DB_NAME . ';host=' . DB_SERVER . ';port=' . DB_PORT;
+    try {
+        $pdo = new PDO($dsn, DB_USER, DB_PASSWORD);
+        $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+        return $pdo;
+    } catch (PDOException $e) {
+        return false;
+    }
+}
+
+function dbGetChannels($db) {
+    try {
+        $query = "SELECT * FROM channels";
+        $statement = $db->query($query);
+        $channels = $statement->fetchAll(PDO::FETCH_ASSOC);
+        return $channels;
+    } catch (PDOException $e) {
+        return false;
+    }
+}

ISEN/Web/CIPA 4/TP/TP5/query.sql

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+-- Requête pour la liste des salons (channels) (Step 9)
+SELECT * FROM channels;
+

ISEN/Web/CIPA 4/TP/TP5/sql/data.sql

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+
+DELETE FROM users;
+DELETE FROM channels;
+DELETE FROM messages;
+
+-- -------------------------------------------------------------------------------
+-- --- Populate users database ----------------------------------------------------------------------------------------------------------------------------------
+INSERT INTO users(login, nickname, password) VALUES('etudiant0', 'E0','mp0');
+INSERT INTO users(login, nickname, password) VALUES('etudiant1', 'E1','mp1');
+INSERT INTO users(login, nickname, password) VALUES('etudiant2', 'E2','mp2');
+INSERT INTO users(login, nickname, password) VALUES('etudiant3', 'E3','mp3');
+
+-- -------------------------------------------------------------------------------
+-- --- Populate channels database ---------------------------------------------------
+-- -------------------------------------------------------------------------------
+ALTER SEQUENCE channels_id_seq RESTART;
+INSERT INTO channels(name) VALUES('General');
+INSERT INTO channels(name) VALUES('Musique');
+INSERT INTO channels(name) VALUES('Voyage');
+INSERT INTO channels(name) VALUES('Cinema');
+INSERT INTO channels(name) VALUES('Bricolage');
+
+-------------------------------------------------------------------------------
+--- Populate messages database ------------------------------------------------
+-------------------------------------------------------------------------------
+ALTER SEQUENCE messages_id_seq RESTART;
+INSERT INTO messages(userLogin, channelid, message) VALUES('etudiant0', 1, 'a');
+INSERT INTO messages(userLogin, channelid, message) VALUES('etudiant1', 1, 'b');
+INSERT INTO messages(userLogin, channelid, message) VALUES('etudiant0', 1, 'c');
+INSERT INTO messages(userLogin, channelid, message) VALUES('etudiant2', 3, 'd');
+INSERT INTO messages(userLogin, channelid, message) VALUES('etudiant3', 4, 'e');

ISEN/Web/CIPA 4/TP/TP5/sql/model.sql

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+
+-- USE devweb_m1;
+
+DROP TABLE IF EXISTS messages;
+DROP TABLE IF EXISTS channels;
+DROP TABLE IF EXISTS users;
+
+CREATE TABLE users
+(
+  login VARCHAR(20) PRIMARY KEY,
+  nickname VARCHAR(20) NOT NULL,
+  password VARCHAR(40) NOT NULL
+);
+
+
+CREATE TABLE channels
+(
+  id SERIAL PRIMARY KEY,
+  name VARCHAR(20) NOT NULL
+);
+
+
+CREATE TABLE messages
+(
+  id SERIAL PRIMARY KEY,
+  userLogin VARCHAR(20) NOT NULL,
+  channelId INT NOT NULL,
+  message VARCHAR(256) NOT NULL,
+  timestamp TIMESTAMP NOT NULL default CURRENT_TIMESTAMP,
+  FOREIGN KEY(userLogin) REFERENCES users(login)
+    ON UPDATE CASCADE ON DELETE CASCADE,
+  FOREIGN KEY(channelId) REFERENCES channels(id)
+    ON UPDATE CASCADE ON DELETE CASCADE
+);
+
+
+