Implement vocab course and grammar exercise features in backend and frontend
- 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)
132
backend/migrations/20260115000000-add-vocab-courses.cjs
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132
backend/migrations/20260115000000-add-vocab-courses.cjs
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/* eslint-disable */
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'use strict';
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module.exports = {
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async up(queryInterface) {
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// Kurs-Tabelle
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await queryInterface.sequelize.query(`
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CREATE TABLE IF NOT EXISTS community.vocab_course (
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id SERIAL PRIMARY KEY,
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owner_user_id INTEGER NOT NULL,
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title TEXT NOT NULL,
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description TEXT,
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language_id INTEGER NOT NULL,
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difficulty_level INTEGER DEFAULT 1,
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is_public BOOLEAN DEFAULT false,
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share_code TEXT,
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created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
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CONSTRAINT vocab_course_owner_fk
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FOREIGN KEY (owner_user_id)
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REFERENCES community."user"(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_language_fk
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FOREIGN KEY (language_id)
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REFERENCES community.vocab_language(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_share_code_uniq UNIQUE (share_code)
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);
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`);
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// Lektionen innerhalb eines Kurses
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await queryInterface.sequelize.query(`
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CREATE TABLE IF NOT EXISTS community.vocab_course_lesson (
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id SERIAL PRIMARY KEY,
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course_id INTEGER NOT NULL,
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chapter_id INTEGER NOT NULL,
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lesson_number INTEGER NOT NULL,
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title TEXT NOT NULL,
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description TEXT,
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created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
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CONSTRAINT vocab_course_lesson_course_fk
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FOREIGN KEY (course_id)
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REFERENCES community.vocab_course(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_lesson_chapter_fk
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FOREIGN KEY (chapter_id)
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REFERENCES community.vocab_chapter(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_lesson_unique UNIQUE (course_id, lesson_number)
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);
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`);
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// Einschreibungen in Kurse
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await queryInterface.sequelize.query(`
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CREATE TABLE IF NOT EXISTS community.vocab_course_enrollment (
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL,
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course_id INTEGER NOT NULL,
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enrolled_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
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CONSTRAINT vocab_course_enrollment_user_fk
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FOREIGN KEY (user_id)
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REFERENCES community."user"(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_enrollment_course_fk
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FOREIGN KEY (course_id)
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REFERENCES community.vocab_course(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_enrollment_unique UNIQUE (user_id, course_id)
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);
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`);
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// Fortschritt pro User und Lektion
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await queryInterface.sequelize.query(`
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CREATE TABLE IF NOT EXISTS community.vocab_course_progress (
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL,
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course_id INTEGER NOT NULL,
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lesson_id INTEGER NOT NULL,
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completed BOOLEAN DEFAULT false,
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score INTEGER DEFAULT 0,
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last_accessed_at TIMESTAMP WITHOUT TIME ZONE,
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completed_at TIMESTAMP WITHOUT TIME ZONE,
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CONSTRAINT vocab_course_progress_user_fk
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FOREIGN KEY (user_id)
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REFERENCES community."user"(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_progress_course_fk
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FOREIGN KEY (course_id)
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REFERENCES community.vocab_course(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_progress_lesson_fk
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FOREIGN KEY (lesson_id)
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REFERENCES community.vocab_course_lesson(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_course_progress_unique UNIQUE (user_id, lesson_id)
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);
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`);
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// Indizes
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await queryInterface.sequelize.query(`
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CREATE INDEX IF NOT EXISTS vocab_course_owner_idx
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ON community.vocab_course(owner_user_id);
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CREATE INDEX IF NOT EXISTS vocab_course_language_idx
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ON community.vocab_course(language_id);
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CREATE INDEX IF NOT EXISTS vocab_course_public_idx
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ON community.vocab_course(is_public);
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CREATE INDEX IF NOT EXISTS vocab_course_lesson_course_idx
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ON community.vocab_course_lesson(course_id);
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CREATE INDEX IF NOT EXISTS vocab_course_lesson_chapter_idx
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ON community.vocab_course_lesson(chapter_id);
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CREATE INDEX IF NOT EXISTS vocab_course_enrollment_user_idx
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ON community.vocab_course_enrollment(user_id);
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CREATE INDEX IF NOT EXISTS vocab_course_enrollment_course_idx
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ON community.vocab_course_enrollment(course_id);
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CREATE INDEX IF NOT EXISTS vocab_course_progress_user_idx
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ON community.vocab_course_progress(user_id);
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CREATE INDEX IF NOT EXISTS vocab_course_progress_course_idx
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ON community.vocab_course_progress(course_id);
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CREATE INDEX IF NOT EXISTS vocab_course_progress_lesson_idx
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ON community.vocab_course_progress(lesson_id);
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`);
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},
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async down(queryInterface) {
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await queryInterface.sequelize.query(`
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DROP TABLE IF EXISTS community.vocab_course_progress CASCADE;
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DROP TABLE IF EXISTS community.vocab_course_enrollment CASCADE;
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DROP TABLE IF EXISTS community.vocab_course_lesson CASCADE;
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DROP TABLE IF EXISTS community.vocab_course CASCADE;
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`);
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}
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};
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