Initial commit: Provisions-Tracker application
Node.js/Express + SQLite + Vanilla JS app for managing employee commissions on telecom activations (Telekom, Vodafone, O2, 1&1). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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const sqlite3 = require('sqlite3').verbose();
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const path = require('path');
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const dbPath = path.join(__dirname, 'provision.db');
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// Singleton database instance
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let dbInstance = null;
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// Get or create database instance (Singleton pattern)
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function getDatabase() {
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if (!dbInstance) {
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dbInstance = new sqlite3.Database(dbPath, (err) => {
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if (err) {
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console.error('Error opening database:', err.message);
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dbInstance = null;
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throw err;
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}
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console.log('Connected to SQLite database');
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});
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// Set busy timeout to handle concurrent access
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dbInstance.configure('busyTimeout', 3000);
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}
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return dbInstance;
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}
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// Enable foreign keys for a database connection
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function enableForeignKeys(db) {
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db.run('PRAGMA foreign_keys = ON', (err) => {
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if (err) {
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console.error('Error enabling foreign keys:', err.message);
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}
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});
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}
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// Close database connection (for graceful shutdown)
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function closeDatabase() {
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if (dbInstance) {
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dbInstance.close((err) => {
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if (err) {
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console.error('Error closing database:', err.message);
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} else {
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console.log('Database connection closed');
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}
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dbInstance = null;
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});
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}
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}
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function initDatabase() {
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const db = getDatabase();
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db.serialize(() => {
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// Anbieter (Providers) table
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db.run(`CREATE TABLE IF NOT EXISTS anbieter (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL UNIQUE,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP
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)`);
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// Mitarbeiter-Prozentsätze pro Anbieter (can be changed retrospectively)
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db.run(`CREATE TABLE IF NOT EXISTS mitarbeiter_prozentsaetze (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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anbieter_id INTEGER NOT NULL,
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prozentsatz DECIMAL(5,2) NOT NULL DEFAULT 0,
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gueltig_ab DATE DEFAULT CURRENT_DATE,
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beschreibung TEXT,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (anbieter_id) REFERENCES anbieter (id),
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UNIQUE(anbieter_id, gueltig_ab)
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)`);
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// Tarife (Tariffs) table - simplified with fixed euro amounts only
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db.run(`CREATE TABLE IF NOT EXISTS tarife (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL,
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anbieter_id INTEGER,
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provision_euro DECIMAL(10,2) DEFAULT 0,
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mitarbeiter_provision DECIMAL(10,2) DEFAULT 0,
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beschreibung TEXT,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (anbieter_id) REFERENCES anbieter (id),
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UNIQUE(name, anbieter_id)
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)`);
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// Add mitarbeiter_provision column if it doesn't exist (for existing databases)
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db.run(`ALTER TABLE tarife ADD COLUMN mitarbeiter_provision DECIMAL(10,2) DEFAULT 0`, (err) => {
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// Ignore error if column already exists
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});
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// Provision rules table (tariff-specific)
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db.run(`CREATE TABLE IF NOT EXISTS provisionsregeln (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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tarif_id INTEGER NOT NULL,
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provision_typ TEXT NOT NULL CHECK(provision_typ IN ('fix', 'prozent')),
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betrag DECIMAL(10,2) NOT NULL,
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beschreibung TEXT,
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verkaeufer_provision_typ TEXT CHECK(verkaeufer_provision_typ IN ('fix', 'prozent')),
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verkaeufer_provision_betrag DECIMAL(10,2),
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verkaeufer_provision_beschreibung TEXT,
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gueltig_ab DATE DEFAULT CURRENT_DATE,
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aktiv BOOLEAN DEFAULT 1,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (tarif_id) REFERENCES tarife (id)
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)`);
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// Global provider commission rules table
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db.run(`CREATE TABLE IF NOT EXISTS anbieter_provisionsregeln (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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anbieter_id INTEGER NOT NULL,
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provision_typ TEXT NOT NULL CHECK(provision_typ IN ('fix', 'prozent')),
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betrag DECIMAL(10,2) NOT NULL,
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beschreibung TEXT,
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verkaeufer_provision_typ TEXT CHECK(verkaeufer_provision_typ IN ('fix', 'prozent')),
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verkaeufer_provision_betrag DECIMAL(10,2),
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verkaeufer_provision_beschreibung TEXT,
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gueltig_ab DATE DEFAULT CURRENT_DATE,
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aktiv BOOLEAN DEFAULT 1,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (anbieter_id) REFERENCES anbieter (id)
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)`);
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// Schaltungen (Connections/Commissions) table
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db.run(`CREATE TABLE IF NOT EXISTS schaltungen (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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schaltungs_id TEXT NOT NULL UNIQUE,
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eingabe_datum DATE NOT NULL,
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schaltungs_datum DATE NOT NULL,
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vorname TEXT NOT NULL,
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nachname TEXT NOT NULL,
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firma TEXT,
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rufnummer TEXT NOT NULL,
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anbieter_id INTEGER NOT NULL,
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tarif_id INTEGER NOT NULL,
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hardware TEXT,
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hardware_ek DECIMAL(10,2),
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kundenverkaufspreis_netto DECIMAL(10,2),
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (anbieter_id) REFERENCES anbieter (id),
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FOREIGN KEY (tarif_id) REFERENCES tarife (id)
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)`);
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// Add new hardware pricing columns if they don't exist (for existing databases)
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db.run(`ALTER TABLE schaltungen ADD COLUMN hardware_ek DECIMAL(10,2)`, (err) => {
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// Ignore error if column already exists
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});
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db.run(`ALTER TABLE schaltungen ADD COLUMN kundenverkaufspreis_netto DECIMAL(10,2)`, (err) => {
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// Ignore error if column already exists
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});
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// Dokumente (Documents) table
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db.run(`CREATE TABLE IF NOT EXISTS dokumente (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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schaltung_id INTEGER NOT NULL,
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filename TEXT NOT NULL,
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original_filename TEXT NOT NULL,
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filepath TEXT NOT NULL,
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filesize INTEGER,
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mimetype TEXT,
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uploaded_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (schaltung_id) REFERENCES schaltungen (id) ON DELETE CASCADE
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)`);
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// Deleted Schaltungen tracking table
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db.run(`CREATE TABLE IF NOT EXISTS geloeschte_schaltungen (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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original_id INTEGER NOT NULL,
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schaltungs_id TEXT NOT NULL,
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eingabe_datum DATE NOT NULL,
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schaltungs_datum DATE NOT NULL,
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vorname TEXT NOT NULL,
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nachname TEXT NOT NULL,
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firma TEXT,
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rufnummer TEXT NOT NULL,
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anbieter_id INTEGER NOT NULL,
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tarif_id INTEGER NOT NULL,
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hardware TEXT,
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anbieter_name TEXT NOT NULL,
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tarif_name TEXT NOT NULL,
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loeschgrund TEXT NOT NULL,
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geloescht_am DATETIME DEFAULT CURRENT_TIMESTAMP,
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geloescht_von TEXT DEFAULT 'System'
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)`);
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// Insert some default providers and tariffs for testing
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db.run(`INSERT OR IGNORE INTO anbieter (name) VALUES
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('Telekom'),
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('Vodafone'),
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('O2'),
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('1&1')`);
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db.run(`INSERT OR IGNORE INTO tarife (name, anbieter_id, provision_euro, beschreibung) VALUES
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('MagentaMobil S', 1, 150.00, 'Telekom Basis-Tarif'),
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('MagentaMobil M', 1, 200.00, 'Telekom Standard-Tarif'),
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('MagentaMobil L', 1, 250.00, 'Telekom Premium-Tarif'),
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('VF green LTE 10GB mit Smartphone 5', 2, 190.00, 'Vodafone Standard-Paket'),
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('Red S', 2, 120.00, 'Vodafone Einsteiger-Tarif'),
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('Red M', 2, 160.00, 'Vodafone Standard-Tarif'),
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('Red L', 2, 200.00, 'Vodafone Premium-Tarif'),
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('o2 Free S', 3, 100.00, 'O2 Basis-Tarif'),
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('o2 Free M', 3, 140.00, 'O2 Standard-Tarif'),
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('o2 Free L', 3, 180.00, 'O2 Premium-Tarif')`);
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// Insert mitarbeiter prozentsätze for each provider
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db.run(`INSERT OR IGNORE INTO mitarbeiter_prozentsaetze (anbieter_id, prozentsatz, beschreibung) VALUES
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(1, 8.00, 'Telekom Mitarbeiter-Provision'),
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(2, 10.00, 'Vodafone/Freenet Mitarbeiter-Provision'),
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(3, 7.50, 'O2 Mitarbeiter-Provision'),
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(4, 9.00, '1&1 Mitarbeiter-Provision')`);
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// Insert some example global provider commission rules
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db.run(`INSERT OR IGNORE INTO anbieter_provisionsregeln (anbieter_id, provision_typ, betrag, beschreibung) VALUES
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(3, 'fix', 20.00, 'Standard O2 Provision'),
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(4, 'prozent', 12.00, '12% Standard 1&1 Provision')`);
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// Tarifoptionen - updated structure for multiple tarif support
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db.run(`CREATE TABLE IF NOT EXISTS tarifoptionen_new (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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name TEXT NOT NULL UNIQUE,
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code TEXT,
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provision_euro DECIMAL(10,2) DEFAULT 0,
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beschreibung TEXT,
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aktiv BOOLEAN DEFAULT 1,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP
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)`);
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// Many-to-many relationship between tarifoptionen and tarife
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db.run(`CREATE TABLE IF NOT EXISTS tarifoptionen_tarife (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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tarifoption_id INTEGER NOT NULL,
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tarif_id INTEGER NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (tarifoption_id) REFERENCES tarifoptionen_new (id) ON DELETE CASCADE,
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FOREIGN KEY (tarif_id) REFERENCES tarife (id) ON DELETE CASCADE,
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UNIQUE(tarifoption_id, tarif_id)
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)`);
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// Keep old table for migration compatibility
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db.run(`CREATE TABLE IF NOT EXISTS tarifoptionen (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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tarif_id INTEGER NOT NULL,
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name TEXT NOT NULL,
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code TEXT,
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provision_euro DECIMAL(10,2) DEFAULT 0,
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beschreibung TEXT,
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aktiv BOOLEAN DEFAULT 1,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (tarif_id) REFERENCES tarife (id),
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UNIQUE(tarif_id, name)
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)`);
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// Schaltungen_Tarifoptionen (Many-to-Many relationship)
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db.run(`CREATE TABLE IF NOT EXISTS schaltungen_tarifoptionen (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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schaltung_id INTEGER NOT NULL,
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tarifoption_id INTEGER NOT NULL,
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created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
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FOREIGN KEY (schaltung_id) REFERENCES schaltungen (id) ON DELETE CASCADE,
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FOREIGN KEY (tarifoption_id) REFERENCES tarifoptionen (id),
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UNIQUE(schaltung_id, tarifoption_id)
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)`);
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// Insert example tarifoptionen with simplified euro amounts (old format)
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db.run(`INSERT OR IGNORE INTO tarifoptionen (tarif_id, name, code, provision_euro, beschreibung) VALUES
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(1, 'Magenta Premium Option', 'MAG-PREM', 50.00, 'Premium-Zusatz für Telekom'),
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(1, 'Aktionscode Neukunde', 'NEU2024', 30.00, 'Neukunden-Bonus'),
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(4, '24 x 17€ MGP Rabatt GK A3958457', 'A3958457', -120.00, 'Vodafone Rabatt-Aktion'),
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(5, 'Red M Aktion Q1', 'RED-M-Q1', 25.00, 'Quartals-Aktion'),
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(6, 'Red L Premium Paket', 'RED-L-PREM', 35.00, 'Premium-Paket')`);
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// Migration function to move data from old to new structure
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function migrateToNewTarifoptionen() {
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db.serialize(() => {
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// Check if migration is needed
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db.get(`SELECT COUNT(*) as count FROM tarifoptionen_new`, (err, row) => {
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if (err || row.count > 0) return; // Already migrated or error
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console.log('Migrating tarifoptionen to new structure...');
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// Get all unique tarifoptionen from old table
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db.all(`SELECT DISTINCT name, code, provision_euro, beschreibung, aktiv, created_at FROM tarifoptionen`, (err, oldOptions) => {
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if (err || !oldOptions.length) return;
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oldOptions.forEach(option => {
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// Insert unique tarifoption into new table
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db.run(`INSERT OR IGNORE INTO tarifoptionen_new (name, code, provision_euro, beschreibung, aktiv, created_at)
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VALUES (?, ?, ?, ?, ?, ?)`,
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[option.name, option.code, option.provision_euro, option.beschreibung, option.aktiv, option.created_at],
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function(err) {
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if (err) return;
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const newTarifoptionId = this.lastID;
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// Link this tarifoption to all tarifs it was originally assigned to
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db.all(`SELECT tarif_id FROM tarifoptionen WHERE name = ? AND code = ?`,
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[option.name, option.code],
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(err, tarifs) => {
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if (err) return;
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tarifs.forEach(tarif => {
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db.run(`INSERT OR IGNORE INTO tarifoptionen_tarife (tarifoption_id, tarif_id) VALUES (?, ?)`,
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[newTarifoptionId, tarif.tarif_id]);
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});
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});
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});
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});
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});
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});
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});
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}
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// Run migration only if not already done
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db.get(`SELECT COUNT(*) as count FROM tarifoptionen_new`, (err, row) => {
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if (!err && row && row.count === 0) {
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migrateToNewTarifoptionen();
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}
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});
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// Keep existing individual tariff rules for backward compatibility
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db.run(`INSERT OR IGNORE INTO provisionsregeln (tarif_id, provision_typ, betrag, beschreibung) VALUES
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(1, 'fix', 25.00, 'Feste Provision für MagentaMobil S'),
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(2, 'fix', 35.00, 'Feste Provision für MagentaMobil M'),
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(3, 'fix', 45.00, 'Feste Provision für MagentaMobil L'),
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(4, 'prozent', 15.00, '15% Provision für Red S'),
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(5, 'prozent', 18.00, '18% Provision für Red M'),
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(6, 'prozent', 20.00, '20% Provision für Red L')`);
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});
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// Enable foreign keys AFTER all tables and initial data are created
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enableForeignKeys(db);
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}
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module.exports = { initDatabase, getDatabase, closeDatabase };
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