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Implement vocab course and grammar exercise features in backend and frontend

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- Added new course management functionalities in VocabController, including creating, updating, and deleting courses and lessons.
- Implemented enrollment and progress tracking for courses, along with grammar exercise creation and management.
- Updated database schema to include tables for courses, lessons, enrollments, and grammar exercises.
- Enhanced frontend with new routes and views for course listing and details, including internationalization support for course-related texts.
- Improved user experience by adding navigation to courses from the main vocab trainer view.
This commit is contained in:
Torsten Schulz (local)
2026-01-19 10:58:53 +01:00
parent 9553cc811a
commit b6a4607e60
28 changed files with 3629 additions and 0 deletions
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101
backend/migrations/20260115000001-add-vocab-grammar-exercises.cjs Normal file
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/* eslint-disable */
'use strict';
module.exports = {
async up(queryInterface) {
// Grammatik-Übungstypen (z.B. "gap_fill", "multiple_choice", "sentence_building", "transformation")
await queryInterface.sequelize.query(`
CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise_type (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL UNIQUE,
description TEXT,
created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW()
);
`);
// Grammatik-Übungen (verknüpft mit Lektionen)
await queryInterface.sequelize.query(`
CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise (
id SERIAL PRIMARY KEY,
lesson_id INTEGER NOT NULL,
exercise_type_id INTEGER NOT NULL,
exercise_number INTEGER NOT NULL,
title TEXT NOT NULL,
instruction TEXT,
question_data JSONB NOT NULL,
answer_data JSONB NOT NULL,
explanation TEXT,
created_by_user_id INTEGER NOT NULL,
created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
CONSTRAINT vocab_grammar_exercise_lesson_fk
FOREIGN KEY (lesson_id)
REFERENCES community.vocab_course_lesson(id)
ON DELETE CASCADE,
CONSTRAINT vocab_grammar_exercise_type_fk
FOREIGN KEY (exercise_type_id)
REFERENCES community.vocab_grammar_exercise_type(id)
ON DELETE CASCADE,
CONSTRAINT vocab_grammar_exercise_creator_fk
FOREIGN KEY (created_by_user_id)
REFERENCES community."user"(id)
ON DELETE CASCADE,
CONSTRAINT vocab_grammar_exercise_unique UNIQUE (lesson_id, exercise_number)
);
`);
// Fortschritt für Grammatik-Übungen
await queryInterface.sequelize.query(`
CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise_progress (
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL,
exercise_id INTEGER NOT NULL,
attempts INTEGER DEFAULT 0,
correct_attempts INTEGER DEFAULT 0,
last_attempt_at TIMESTAMP WITHOUT TIME ZONE,
completed BOOLEAN DEFAULT false,
completed_at TIMESTAMP WITHOUT TIME ZONE,
CONSTRAINT vocab_grammar_exercise_progress_user_fk
FOREIGN KEY (user_id)
REFERENCES community."user"(id)
ON DELETE CASCADE,
CONSTRAINT vocab_grammar_exercise_progress_exercise_fk
FOREIGN KEY (exercise_id)
REFERENCES community.vocab_grammar_exercise(id)
ON DELETE CASCADE,
CONSTRAINT vocab_grammar_exercise_progress_unique UNIQUE (user_id, exercise_id)
);
`);
// Indizes
await queryInterface.sequelize.query(`
CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_lesson_idx
ON community.vocab_grammar_exercise(lesson_id);
CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_type_idx
ON community.vocab_grammar_exercise(exercise_type_id);
CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_progress_user_idx
ON community.vocab_grammar_exercise_progress(user_id);
CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_progress_exercise_idx
ON community.vocab_grammar_exercise_progress(exercise_id);
`);
// Standard-Übungstypen einfügen
await queryInterface.sequelize.query(`
INSERT INTO community.vocab_grammar_exercise_type (name, description) VALUES
('gap_fill', 'Lückentext-Übung'),
('multiple_choice', 'Multiple-Choice-Fragen'),
('sentence_building', 'Satzbau-Übung'),
('transformation', 'Satzumformung'),
('conjugation', 'Konjugations-Übung'),
('declension', 'Deklinations-Übung')
ON CONFLICT (name) DO NOTHING;
`);
},
async down(queryInterface) {
await queryInterface.sequelize.query(`
DROP TABLE IF EXISTS community.vocab_grammar_exercise_progress CASCADE;
DROP TABLE IF EXISTS community.vocab_grammar_exercise CASCADE;
DROP TABLE IF EXISTS community.vocab_grammar_exercise_type CASCADE;
`);
}
};