Add native language support in vocab course management
- Introduced a new field for native language in the VocabCourse model to allow learners to specify their native language. - Updated the VocabService to handle native language during course creation and retrieval, including filtering options. - Enhanced the database schema to include foreign key constraints for native language. - Updated frontend components to support native language selection and display in course listings. - Added internationalization strings for native language features in both German and English.
This commit is contained in:
@@ -27,6 +27,12 @@ VocabCourse.init({
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allowNull: false,
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field: 'language_id'
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},
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nativeLanguageId: {
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type: DataTypes.INTEGER,
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allowNull: true,
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field: 'native_language_id',
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comment: 'Muttersprache des Lerners (z.B. Deutsch, Englisch). NULL bedeutet "für alle Sprachen".'
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},
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difficultyLevel: {
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type: DataTypes.INTEGER,
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allowNull: false,
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452
backend/scripts/create-language-courses.js
Executable file
452
backend/scripts/create-language-courses.js
Executable file
@@ -0,0 +1,452 @@
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#!/usr/bin/env node
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/**
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* Script zum Erstellen von Sprachkursen für verschiedene Sprachen
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*
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* Verwendung:
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* node backend/scripts/create-language-courses.js <ownerHashedId>
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*
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* Erstellt Kurse für: Bisaya, Französisch, Spanisch, Latein, Italienisch, Portugiesisch, Tagalog
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*/
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import { sequelize } from '../utils/sequelize.js';
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import VocabCourse from '../models/community/vocab_course.js';
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import VocabCourseLesson from '../models/community/vocab_course_lesson.js';
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import User from '../models/community/user.js';
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import crypto from 'crypto';
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// Kursstruktur für alle Sprachen (4 Wochen, 40 Lektionen)
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const LESSON_TEMPLATE = [
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// WOCHE 1: Grundlagen & Aussprache
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{ week: 1, day: 1, num: 1, type: 'conversation', title: 'Begrüßungen & Höflichkeit',
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desc: 'Lerne die wichtigsten Begrüßungen und Höflichkeitsformeln',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Höflichkeit ist wichtig. Lächeln hilft!' },
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{ week: 1, day: 1, num: 2, type: 'vocab', title: 'Überlebenssätze - Teil 1',
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desc: 'Die 10 wichtigsten Sätze für den Alltag',
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targetMin: 20, targetScore: 85, review: true,
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cultural: 'Diese Sätze helfen dir sofort im Alltag weiter.' },
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{ week: 1, day: 2, num: 3, type: 'vocab', title: 'Familienwörter',
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desc: 'Mama, Papa, Geschwister, Großeltern und mehr',
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targetMin: 20, targetScore: 85, review: true,
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cultural: 'Familienwörter sind wichtig für echte Gespräche.' },
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{ week: 1, day: 2, num: 4, type: 'conversation', title: 'Familien-Gespräche',
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desc: 'Einfache Gespräche mit Familienmitgliedern',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Familienkonversationen sind herzlicher als formelle Gespräche.' },
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{ week: 1, day: 3, num: 5, type: 'conversation', title: 'Gefühle & Zuneigung',
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desc: 'Wie man Gefühle ausdrückt',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Gefühle auszudrücken ist wichtig für echte Verbindung.' },
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{ week: 1, day: 3, num: 6, type: 'vocab', title: 'Überlebenssätze - Teil 2',
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desc: 'Weitere wichtige Alltagssätze',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 1, day: 4, num: 7, type: 'conversation', title: 'Essen & Fürsorge',
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desc: 'Gespräche rund ums Essen',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Essen verbindet Menschen überall auf der Welt.' },
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{ week: 1, day: 4, num: 8, type: 'vocab', title: 'Essen & Trinken',
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desc: 'Wichtige Wörter rund ums Essen',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 1, day: 5, num: 9, type: 'review', title: 'Woche 1 - Wiederholung',
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desc: 'Wiederhole alle Inhalte der ersten Woche',
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targetMin: 30, targetScore: 80, review: false,
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cultural: 'Wiederholung ist der Schlüssel zum Erfolg!' },
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{ week: 1, day: 5, num: 10, type: 'vocab', title: 'Woche 1 - Vokabeltest',
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desc: 'Teste dein Wissen aus Woche 1',
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targetMin: 15, targetScore: 80, review: true,
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cultural: null },
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// WOCHE 2: Alltag & Familie
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{ week: 2, day: 1, num: 11, type: 'conversation', title: 'Alltagsgespräche - Teil 1',
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desc: 'Wie war dein Tag? Was machst du?',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Alltagsgespräche sind wichtig für echte Kommunikation.' },
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{ week: 2, day: 1, num: 12, type: 'vocab', title: 'Haus & Familie',
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desc: 'Wörter für Haus, Zimmer, Familie',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 2, day: 2, num: 13, type: 'conversation', title: 'Alltagsgespräche - Teil 2',
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desc: 'Wohin gehst du? Was machst du heute?',
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targetMin: 15, targetScore: 80, review: false,
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cultural: null },
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{ week: 2, day: 2, num: 14, type: 'vocab', title: 'Ort & Richtung',
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desc: 'Wo, hier, dort, gehen zu',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 2, day: 3, num: 15, type: 'grammar', title: 'Zeitformen - Grundlagen',
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desc: 'Vergangenheit, Gegenwart, Zukunft',
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targetMin: 25, targetScore: 75, review: true,
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cultural: 'Zeitformen sind wichtig für präzise Kommunikation.' },
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{ week: 2, day: 3, num: 16, type: 'vocab', title: 'Zeit & Datum',
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desc: 'Jetzt, morgen, gestern, heute',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 2, day: 4, num: 17, type: 'conversation', title: 'Einkaufen & Preise',
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desc: 'Wie viel kostet das? Kann es billiger sein?',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Einkaufen ist eine wichtige Alltagssituation.' },
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{ week: 2, day: 4, num: 18, type: 'vocab', title: 'Zahlen & Preise',
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desc: 'Zahlen 1-100, Preise, Mengen',
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targetMin: 25, targetScore: 85, review: true,
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cultural: null },
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{ week: 2, day: 5, num: 19, type: 'review', title: 'Woche 2 - Wiederholung',
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desc: 'Wiederhole alle Inhalte der zweiten Woche',
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targetMin: 30, targetScore: 80, review: false,
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cultural: null },
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{ week: 2, day: 5, num: 20, type: 'vocab', title: 'Woche 2 - Vokabeltest',
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desc: 'Teste dein Wissen aus Woche 2',
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targetMin: 15, targetScore: 80, review: true,
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cultural: null },
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// WOCHE 3: Vertiefung
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{ week: 3, day: 1, num: 21, type: 'conversation', title: 'Gefühle & Emotionen',
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desc: 'Wie man verschiedene Gefühle ausdrückt',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Emotionen auszudrücken ist wichtig für echte Verbindung.' },
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{ week: 3, day: 1, num: 22, type: 'vocab', title: 'Gefühle & Emotionen',
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desc: 'Wörter für verschiedene Gefühle',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 3, day: 2, num: 23, type: 'conversation', title: 'Gesundheit & Wohlbefinden',
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desc: 'Gespräche über Gesundheit',
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targetMin: 15, targetScore: 80, review: false,
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cultural: null },
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{ week: 3, day: 2, num: 24, type: 'vocab', title: 'Körper & Gesundheit',
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desc: 'Wörter rund um den Körper und Gesundheit',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 3, day: 3, num: 25, type: 'grammar', title: 'Höflichkeitsformen',
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desc: 'Wie man höflich spricht',
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targetMin: 20, targetScore: 75, review: true,
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cultural: 'Höflichkeit ist extrem wichtig in jeder Kultur.' },
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{ week: 3, day: 3, num: 26, type: 'conversation', title: 'Bitten & Fragen',
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desc: 'Wie man höflich fragt und bittet',
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targetMin: 15, targetScore: 80, review: false,
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cultural: null },
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{ week: 3, day: 4, num: 27, type: 'conversation', title: 'Kinder & Familie',
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desc: 'Gespräche mit und über Kinder',
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targetMin: 15, targetScore: 80, review: false,
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cultural: 'Kinder sind sehr wichtig in Familien.' },
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{ week: 3, day: 4, num: 28, type: 'vocab', title: 'Kinder & Spiel',
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desc: 'Wörter für Kinder und Spielsachen',
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targetMin: 20, targetScore: 85, review: true,
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cultural: null },
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{ week: 3, day: 5, num: 29, type: 'review', title: 'Woche 3 - Wiederholung',
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desc: 'Wiederhole alle Inhalte der dritten Woche',
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targetMin: 30, targetScore: 80, review: false,
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cultural: null },
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{ week: 3, day: 5, num: 30, type: 'vocab', title: 'Woche 3 - Vokabeltest',
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desc: 'Teste dein Wissen aus Woche 3',
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targetMin: 15, targetScore: 80, review: true,
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cultural: null },
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// WOCHE 4: Freies Sprechen
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{ week: 4, day: 1, num: 31, type: 'conversation', title: 'Freies Gespräch - Thema 1',
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desc: 'Übe freies Sprechen zu verschiedenen Themen',
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targetMin: 20, targetScore: 75, review: false,
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cultural: 'Fehler sind okay! Muttersprachler schätzen das Bemühen.' },
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{ week: 4, day: 1, num: 32, type: 'vocab', title: 'Wiederholung - Woche 1 & 2',
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desc: 'Wiederhole wichtige Vokabeln aus den ersten beiden Wochen',
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targetMin: 25, targetScore: 85, review: true,
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cultural: null },
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{ week: 4, day: 2, num: 33, type: 'conversation', title: 'Freies Gespräch - Thema 2',
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desc: 'Weitere Übung im freien Sprechen',
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targetMin: 20, targetScore: 75, review: false,
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cultural: null },
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{ week: 4, day: 2, num: 34, type: 'vocab', title: 'Wiederholung - Woche 3',
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desc: 'Wiederhole wichtige Vokabeln aus Woche 3',
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targetMin: 25, targetScore: 85, review: true,
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cultural: null },
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{ week: 4, day: 3, num: 35, type: 'conversation', title: 'Komplexere Gespräche',
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desc: 'Längere Gespräche zu verschiedenen Themen',
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targetMin: 25, targetScore: 75, review: false,
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cultural: 'Je mehr du sprichst, desto besser wirst du!' },
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{ week: 4, day: 3, num: 36, type: 'review', title: 'Gesamtwiederholung',
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desc: 'Wiederhole alle wichtigen Inhalte des Kurses',
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targetMin: 30, targetScore: 80, review: false,
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cultural: null },
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{ week: 4, day: 4, num: 37, type: 'conversation', title: 'Praktische Übung',
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desc: 'Simuliere echte Gesprächssituationen',
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targetMin: 25, targetScore: 75, review: false,
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cultural: null },
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{ week: 4, day: 4, num: 38, type: 'vocab', title: 'Abschlusstest - Vokabeln',
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desc: 'Finaler Vokabeltest über den gesamten Kurs',
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targetMin: 20, targetScore: 80, review: true,
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cultural: null },
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{ week: 4, day: 5, num: 39, type: 'review', title: 'Abschlussprüfung',
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desc: 'Finale Prüfung über alle Kursinhalte',
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targetMin: 30, targetScore: 80, review: false,
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cultural: 'Gratulation zum Abschluss des Kurses!' },
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{ week: 4, day: 5, num: 40, type: 'culture', title: 'Kulturelle Tipps & Tricks',
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desc: 'Wichtige kulturelle Hinweise für den Alltag',
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targetMin: 15, targetScore: 0, review: false,
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cultural: 'Kulturelles Verständnis ist genauso wichtig wie die Sprache selbst.' }
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];
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// Zielsprachen (die zu lernenden Sprachen)
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const TARGET_LANGUAGES = [
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'Bisaya',
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'Französisch',
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'Spanisch',
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'Latein',
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'Italienisch',
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'Portugiesisch',
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'Tagalog'
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];
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// Muttersprachen (für die Kurse erstellt werden)
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const NATIVE_LANGUAGES = [
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'Deutsch',
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'Englisch',
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'Spanisch',
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'Französisch',
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'Italienisch',
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'Portugiesisch'
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];
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// Generiere Kurskonfigurationen für alle Kombinationen
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function generateCourseConfigs() {
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const configs = [];
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for (const targetLang of TARGET_LANGUAGES) {
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for (const nativeLang of NATIVE_LANGUAGES) {
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// Überspringe, wenn Zielsprache = Muttersprache
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if (targetLang === nativeLang) continue;
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const title = `${targetLang} für ${nativeLang}sprachige - Schnellstart in 4 Wochen`;
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let description = `Lerne ${targetLang} schnell und praktisch für den Alltag. `;
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if (targetLang === 'Latein') {
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description = `Lerne ${targetLang} systematisch mit Fokus auf Grammatik und Vokabular. `;
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} else if (targetLang === 'Bisaya') {
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description = `Lerne ${targetLang} (Cebuano) schnell und praktisch für den Familienalltag. `;
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}
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description += `Fokus auf Sprechen & Hören mit strukturiertem 4-Wochen-Plan.`;
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configs.push({
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targetLanguageName: targetLang,
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nativeLanguageName: nativeLang,
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title,
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description,
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difficultyLevel: 1
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});
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}
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}
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return configs;
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}
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const LANGUAGE_COURSES = generateCourseConfigs();
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async function findOrCreateLanguage(languageName, ownerUserId) {
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// Suche zuerst nach vorhandener Sprache
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const [existing] = await sequelize.query(
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`SELECT id FROM community.vocab_language WHERE name = :name LIMIT 1`,
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{
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replacements: { name: languageName },
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type: sequelize.QueryTypes.SELECT
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}
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);
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if (existing) {
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console.log(` ✅ Sprache "${languageName}" bereits vorhanden (ID: ${existing.id})`);
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return existing.id;
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}
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// Erstelle neue Sprache
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const shareCode = crypto.randomBytes(8).toString('hex');
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const [created] = await sequelize.query(
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`INSERT INTO community.vocab_language (owner_user_id, name, share_code)
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VALUES (:ownerUserId, :name, :shareCode)
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RETURNING id`,
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{
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replacements: { ownerUserId, name: languageName, shareCode },
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type: sequelize.QueryTypes.SELECT
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}
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);
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console.log(` ✅ Sprache "${languageName}" erstellt (ID: ${created.id})`);
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return created.id;
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}
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async function createCourseForLanguage(targetLanguageId, nativeLanguageId, languageConfig, ownerUserId) {
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const shareCode = crypto.randomBytes(8).toString('hex');
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const course = await VocabCourse.create({
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ownerUserId,
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title: languageConfig.title,
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description: languageConfig.description,
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languageId: Number(targetLanguageId),
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nativeLanguageId: nativeLanguageId ? Number(nativeLanguageId) : null,
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difficultyLevel: languageConfig.difficultyLevel || 1,
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isPublic: true,
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shareCode
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});
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console.log(` ✅ Kurs erstellt: "${course.title}" (ID: ${course.id}, Share-Code: ${shareCode})`);
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// Erstelle Lektionen
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for (const lessonData of LESSON_TEMPLATE) {
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await VocabCourseLesson.create({
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courseId: course.id,
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chapterId: null,
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lessonNumber: lessonData.num,
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title: lessonData.title,
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description: lessonData.desc,
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weekNumber: lessonData.week,
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dayNumber: lessonData.day,
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lessonType: lessonData.type,
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culturalNotes: lessonData.cultural,
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targetMinutes: lessonData.targetMin,
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targetScorePercent: lessonData.targetScore,
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requiresReview: lessonData.review
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});
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}
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console.log(` ✅ ${LESSON_TEMPLATE.length} Lektionen erstellt`);
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return course;
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}
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async function createAllLanguageCourses(ownerHashedId) {
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try {
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// Finde User
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const user = await User.findOne({ where: { hashedId: ownerHashedId } });
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if (!user) {
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throw new Error(`User mit hashedId ${ownerHashedId} nicht gefunden`);
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}
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console.log(`\n🚀 Erstelle Sprachkurse für Benutzer: ${user.id}\n`);
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const createdCourses = [];
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// Stelle sicher, dass alle benötigten Sprachen existieren
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console.log(`\n🌍 Stelle sicher, dass alle Sprachen existieren...`);
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const allLanguages = [...new Set([...TARGET_LANGUAGES, ...NATIVE_LANGUAGES])];
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const languageMap = new Map();
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for (const langName of allLanguages) {
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const langId = await findOrCreateLanguage(langName, user.id);
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languageMap.set(langName, langId);
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}
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for (const langConfig of LANGUAGE_COURSES) {
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console.log(`\n📚 Verarbeite: ${langConfig.targetLanguageName} für ${langConfig.nativeLanguageName}sprachige`);
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const targetLanguageId = languageMap.get(langConfig.targetLanguageName);
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const nativeLanguageId = languageMap.get(langConfig.nativeLanguageName);
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// Prüfe, ob Kurs bereits existiert
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const existingCourse = await VocabCourse.findOne({
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where: {
|
||||
languageId: targetLanguageId,
|
||||
nativeLanguageId: nativeLanguageId,
|
||||
ownerUserId: user.id
|
||||
}
|
||||
});
|
||||
|
||||
if (existingCourse) {
|
||||
console.log(` ⚠️ Kurs "${langConfig.title}" existiert bereits (ID: ${existingCourse.id})`);
|
||||
createdCourses.push({
|
||||
...langConfig,
|
||||
courseId: existingCourse.id,
|
||||
targetLanguageId,
|
||||
nativeLanguageId,
|
||||
skipped: true
|
||||
});
|
||||
continue;
|
||||
}
|
||||
|
||||
// Erstelle Kurs
|
||||
const course = await createCourseForLanguage(targetLanguageId, nativeLanguageId, langConfig, user.id);
|
||||
createdCourses.push({
|
||||
...langConfig,
|
||||
courseId: course.id,
|
||||
targetLanguageId,
|
||||
nativeLanguageId,
|
||||
shareCode: course.shareCode
|
||||
});
|
||||
}
|
||||
|
||||
console.log(`\n\n🎉 Zusammenfassung:\n`);
|
||||
console.log(` Gesamt: ${LANGUAGE_COURSES.length} Sprachen`);
|
||||
console.log(` Erstellt: ${createdCourses.filter(c => !c.skipped).length} Kurse`);
|
||||
console.log(` Übersprungen: ${createdCourses.filter(c => c.skipped).length} Kurse`);
|
||||
|
||||
console.log(`\n📋 Erstellte Kurse:\n`);
|
||||
for (const course of createdCourses) {
|
||||
if (course.skipped) {
|
||||
console.log(` ⚠️ ${course.languageName}: Bereits vorhanden (ID: ${course.courseId})`);
|
||||
} else {
|
||||
console.log(` ✅ ${course.languageName}: ${course.title}`);
|
||||
console.log(` Share-Code: ${course.shareCode}`);
|
||||
}
|
||||
}
|
||||
|
||||
console.log(`\n💡 Nächste Schritte:`);
|
||||
console.log(` 1. Füge Vokabeln zu den Vokabel-Lektionen hinzu`);
|
||||
console.log(` 2. Erstelle Grammatik-Übungen für die Grammatik-Lektionen`);
|
||||
console.log(` 3. Teile die Kurse mit anderen (Share-Codes oben)`);
|
||||
|
||||
return createdCourses;
|
||||
} catch (error) {
|
||||
console.error('❌ Fehler beim Erstellen der Kurse:', error);
|
||||
throw error;
|
||||
}
|
||||
}
|
||||
|
||||
// CLI-Aufruf
|
||||
const ownerHashedId = process.argv[2];
|
||||
|
||||
if (!ownerHashedId) {
|
||||
console.error('Verwendung: node create-language-courses.js <ownerHashedId>');
|
||||
console.error('Beispiel: node create-language-courses.js abc123def456');
|
||||
process.exit(1);
|
||||
}
|
||||
|
||||
createAllLanguageCourses(ownerHashedId)
|
||||
.then(() => {
|
||||
process.exit(0);
|
||||
})
|
||||
.catch((error) => {
|
||||
console.error(error);
|
||||
process.exit(1);
|
||||
});
|
||||
@@ -538,7 +538,7 @@ export default class VocabService {
|
||||
|
||||
// ========== COURSE METHODS ==========
|
||||
|
||||
async createCourse(hashedUserId, { title, description, languageId, difficultyLevel = 1, isPublic = false }) {
|
||||
async createCourse(hashedUserId, { title, description, languageId, nativeLanguageId, difficultyLevel = 1, isPublic = false }) {
|
||||
const user = await this._getUserByHashedId(hashedUserId);
|
||||
|
||||
// Prüfe Zugriff auf Sprache
|
||||
@@ -551,6 +551,7 @@ export default class VocabService {
|
||||
title,
|
||||
description,
|
||||
languageId: Number(languageId),
|
||||
nativeLanguageId: nativeLanguageId ? Number(nativeLanguageId) : null,
|
||||
difficultyLevel: Number(difficultyLevel) || 1,
|
||||
isPublic: Boolean(isPublic),
|
||||
shareCode
|
||||
@@ -559,7 +560,7 @@ export default class VocabService {
|
||||
return course.get({ plain: true });
|
||||
}
|
||||
|
||||
async getCourses(hashedUserId, { includePublic = true, includeOwn = true, languageId, search } = {}) {
|
||||
async getCourses(hashedUserId, { includePublic = true, includeOwn = true, languageId, nativeLanguageId, search } = {}) {
|
||||
const user = await this._getUserByHashedId(hashedUserId);
|
||||
|
||||
const where = {};
|
||||
@@ -579,11 +580,21 @@ export default class VocabService {
|
||||
where.isPublic = true;
|
||||
}
|
||||
|
||||
// Filter nach Sprache
|
||||
// Filter nach Zielsprache (die zu lernende Sprache)
|
||||
if (languageId) {
|
||||
where.languageId = Number(languageId);
|
||||
}
|
||||
|
||||
// Filter nach Muttersprache (die Sprache des Lerners)
|
||||
if (nativeLanguageId !== undefined) {
|
||||
if (nativeLanguageId === null) {
|
||||
// NULL bedeutet "für alle Sprachen" - zeige Kurse ohne native_language_id
|
||||
where.nativeLanguageId = null;
|
||||
} else {
|
||||
where.nativeLanguageId = Number(nativeLanguageId);
|
||||
}
|
||||
}
|
||||
|
||||
// Suche nach Titel oder Beschreibung
|
||||
if (search && search.trim()) {
|
||||
const searchTerm = `%${search.trim()}%`;
|
||||
@@ -698,7 +709,7 @@ export default class VocabService {
|
||||
return courseData;
|
||||
}
|
||||
|
||||
async updateCourse(hashedUserId, courseId, { title, description, difficultyLevel, isPublic }) {
|
||||
async updateCourse(hashedUserId, courseId, { title, description, languageId, nativeLanguageId, difficultyLevel, isPublic }) {
|
||||
const user = await this._getUserByHashedId(hashedUserId);
|
||||
const course = await VocabCourse.findByPk(courseId);
|
||||
|
||||
@@ -717,6 +728,8 @@ export default class VocabService {
|
||||
const updates = {};
|
||||
if (title !== undefined) updates.title = title;
|
||||
if (description !== undefined) updates.description = description;
|
||||
if (languageId !== undefined) updates.languageId = Number(languageId);
|
||||
if (nativeLanguageId !== undefined) updates.nativeLanguageId = nativeLanguageId ? Number(nativeLanguageId) : null;
|
||||
if (difficultyLevel !== undefined) updates.difficultyLevel = Number(difficultyLevel);
|
||||
if (isPublic !== undefined) {
|
||||
updates.isPublic = Boolean(isPublic);
|
||||
|
||||
24
backend/sql/add-native-language-to-courses.sql
Normal file
24
backend/sql/add-native-language-to-courses.sql
Normal file
@@ -0,0 +1,24 @@
|
||||
-- ============================================
|
||||
-- Füge native_language_id zu vocab_course hinzu
|
||||
-- ============================================
|
||||
-- Dieses Feld speichert die Muttersprache des Lerners
|
||||
-- z.B. "Bisaya für Deutschsprachige" -> language_id = Bisaya, native_language_id = Deutsch
|
||||
|
||||
-- Spalte hinzufügen
|
||||
ALTER TABLE community.vocab_course
|
||||
ADD COLUMN IF NOT EXISTS native_language_id INTEGER;
|
||||
|
||||
-- Foreign Key Constraint hinzufügen
|
||||
ALTER TABLE community.vocab_course
|
||||
ADD CONSTRAINT vocab_course_native_language_fk
|
||||
FOREIGN KEY (native_language_id)
|
||||
REFERENCES community.vocab_language(id)
|
||||
ON DELETE SET NULL;
|
||||
|
||||
-- Index für bessere Performance
|
||||
CREATE INDEX IF NOT EXISTS vocab_course_native_language_idx
|
||||
ON community.vocab_course(native_language_id);
|
||||
|
||||
-- Kommentar hinzufügen
|
||||
COMMENT ON COLUMN community.vocab_course.native_language_id IS
|
||||
'Muttersprache des Lerners (z.B. Deutsch, Englisch). NULL bedeutet "für alle Sprachen".';
|
||||
@@ -152,6 +152,7 @@ const syncDatabase = async () => {
|
||||
title TEXT NOT NULL,
|
||||
description TEXT,
|
||||
language_id INTEGER NOT NULL,
|
||||
native_language_id INTEGER,
|
||||
difficulty_level INTEGER DEFAULT 1,
|
||||
is_public BOOLEAN DEFAULT false,
|
||||
share_code TEXT,
|
||||
@@ -165,6 +166,10 @@ const syncDatabase = async () => {
|
||||
FOREIGN KEY (language_id)
|
||||
REFERENCES community.vocab_language(id)
|
||||
ON DELETE CASCADE,
|
||||
CONSTRAINT vocab_course_native_language_fk
|
||||
FOREIGN KEY (native_language_id)
|
||||
REFERENCES community.vocab_language(id)
|
||||
ON DELETE SET NULL,
|
||||
CONSTRAINT vocab_course_share_code_uniq UNIQUE (share_code)
|
||||
);
|
||||
|
||||
@@ -239,6 +244,8 @@ const syncDatabase = async () => {
|
||||
ON community.vocab_course(owner_user_id);
|
||||
CREATE INDEX IF NOT EXISTS vocab_course_language_idx
|
||||
ON community.vocab_course(language_id);
|
||||
CREATE INDEX IF NOT EXISTS vocab_course_native_language_idx
|
||||
ON community.vocab_course(native_language_id);
|
||||
CREATE INDEX IF NOT EXISTS vocab_course_public_idx
|
||||
ON community.vocab_course(is_public);
|
||||
CREATE INDEX IF NOT EXISTS vocab_course_lesson_course_idx
|
||||
|
||||
Reference in New Issue
Block a user