added init files

2025-12-01 06:55:45 +01:00 · 2025-10-08 02:32:39 +02:00
parent 8d65129e24
commit c70145ca50
51 changed files with 23237 additions and 0 deletions
--- a/backend/src/services/databaseService.ts
+++ b/backend/src/services/databaseService.ts
@@ -0,0 +1,129 @@
+// backend/src/services/databaseService.ts
+import sqlite3 from 'sqlite3';
+import path from 'path';
+import { fileURLToPath } from 'url';
+
+// __dirname für ES Modules
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const dbPath = path.join(__dirname, '../../database/schichtplan.db');
+
+export class DatabaseService {
+  private db: sqlite3.Database;
+
+  constructor() {
+    this.db = new sqlite3.Database(dbPath, (err) => {
+      if (err) {
+        console.error('Database connection error:', err);
+      } else {
+        console.log('Connected to SQLite database');
+        this.initializeDatabase();
+      }
+    });
+  }
+
+  private initializeDatabase() {
+    const schema = `
+      CREATE TABLE IF NOT EXISTS users (
+        id TEXT PRIMARY KEY,
+        email TEXT UNIQUE NOT NULL,
+        password TEXT NOT NULL,
+        name TEXT NOT NULL,
+        role TEXT CHECK(role IN ('admin', 'instandhalter', 'user')) NOT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+      );
+
+      CREATE TABLE IF NOT EXISTS shift_templates (
+        id TEXT PRIMARY KEY,
+        name TEXT NOT NULL,
+        description TEXT,
+        is_default BOOLEAN DEFAULT FALSE,
+        created_by TEXT NOT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (created_by) REFERENCES users(id)
+      );
+
+      CREATE TABLE IF NOT EXISTS template_shifts (
+        id TEXT PRIMARY KEY,
+        template_id TEXT NOT NULL,
+        day_of_week INTEGER NOT NULL CHECK (day_of_week >= 0 AND day_of_week <= 6),
+        name TEXT NOT NULL,
+        start_time TEXT NOT NULL,
+        end_time TEXT NOT NULL,
+        required_employees INTEGER DEFAULT 1,
+        color TEXT DEFAULT '#3498db',
+        FOREIGN KEY (template_id) REFERENCES shift_templates(id) ON DELETE CASCADE
+      );
+
+      CREATE TABLE IF NOT EXISTS shift_plans (
+        id TEXT PRIMARY KEY,
+        name TEXT NOT NULL,
+        start_date TEXT NOT NULL,
+        end_date TEXT NOT NULL,
+        template_id TEXT,
+        status TEXT CHECK(status IN ('draft', 'published')) DEFAULT 'draft',
+        created_by TEXT NOT NULL,
+        created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (created_by) REFERENCES users(id),
+        FOREIGN KEY (template_id) REFERENCES shift_templates(id)
+      );
+
+      CREATE TABLE IF NOT EXISTS assigned_shifts (
+        id TEXT PRIMARY KEY,
+        shift_plan_id TEXT NOT NULL,
+        date TEXT NOT NULL,
+        start_time TEXT NOT NULL,
+        end_time TEXT NOT NULL,
+        required_employees INTEGER DEFAULT 1,
+        assigned_employees TEXT DEFAULT '[]',
+        FOREIGN KEY (shift_plan_id) REFERENCES shift_plans(id) ON DELETE CASCADE
+      );
+    `;
+
+    this.db.exec(schema, (err) => {
+      if (err) {
+        console.error('Database initialization error:', err);
+      } else {
+        console.log('Database initialized successfully');
+      }
+    });
+  }
+
+  run(sql: string, params: any[] = []): Promise<void> {
+    return new Promise((resolve, reject) => {
+      this.db.run(sql, params, function(err) {
+        if (err) reject(err);
+        else resolve();
+      });
+    });
+  }
+
+  get<T>(sql: string, params: any[] = []): Promise<T | undefined> {
+    return new Promise((resolve, reject) => {
+      this.db.get(sql, params, (err, row) => {
+        if (err) reject(err);
+        else resolve(row as T);
+      });
+    });
+  }
+
+  all<T>(sql: string, params: any[] = []): Promise<T[]> {
+    return new Promise((resolve, reject) => {
+      this.db.all(sql, params, (err, rows) => {
+        if (err) reject(err);
+        else resolve(rows as T[]);
+      });
+    });
+  }
+
+  close(): Promise<void> {
+    return new Promise((resolve, reject) => {
+      this.db.close((err) => {
+        if (err) reject(err);
+        else resolve();
+      });
+    });
+  }
+}
+
+export const db = new DatabaseService();