NOrtmann1
67 lines
2.6 KiB
PHP
67 lines
2.6 KiB
PHP
<?php
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/**
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* Diese Klasse legt einmalig beim allerersten Start in der exakt korrekten Reihenfolge die Tabellen an
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*
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* @author Niklas Ortmann
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*/
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class DatabaseInitializer {
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public static function initialize($dbPath) {
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if (!file_exists($dbPath)) {
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try {
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$db = new PDO('sqlite:' . $dbPath);
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$db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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$db->exec('PRAGMA foreign_keys = ON;');
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$db->exec("
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CREATE TABLE IF NOT EXISTS users (
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email TEXT PRIMARY KEY,
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vorname TEXT NOT NULL,
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nachname TEXT NOT NULL,
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password TEXT NOT NULL
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);
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");
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$db->exec("
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CREATE TABLE IF NOT EXISTS articles (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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title TEXT,
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content TEXT,
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author TEXT,
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category TEXT,
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tags TEXT,
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created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (author) REFERENCES users(email) ON DELETE SET NULL ON UPDATE CASCADE
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);
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");
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$db->exec("
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CREATE TABLE IF NOT EXISTS likes (
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article_id INTEGER,
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user_id TEXT,
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PRIMARY KEY (article_id, user_id),
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FOREIGN KEY (article_id) REFERENCES articles(id) ON DELETE CASCADE,
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FOREIGN KEY (user_id) REFERENCES users(email) ON DELETE CASCADE
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);
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");
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$db->exec("
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CREATE TABLE IF NOT EXISTS comments (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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article_id INTEGER NOT NULL,
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parent_comment_id INTEGER NULL,
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author TEXT NOT NULL,
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content TEXT NOT NULL,
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created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (article_id) REFERENCES articles(id) ON DELETE CASCADE,
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FOREIGN KEY (author) REFERENCES users(email) ON DELETE CASCADE,
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FOREIGN KEY (parent_comment_id) REFERENCES comments(id) ON DELETE CASCADE
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);
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");
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} catch (PDOException $e) {
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throw new RuntimeException("internal-error");
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}
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}
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}
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}
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