Files
yourpart3/backend/sql/create-vocab-courses.sql
Torsten Schulz (local) b6a4607e60 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.
2026-01-19 10:58:53 +01:00

243 lines
9.1 KiB
SQL

-- ============================================
-- Vocab Courses - Vollständige SQL-Installation
-- ============================================
-- Führe diese Queries direkt auf dem Server aus
-- Reihenfolge beachten!
-- ============================================
-- 1. Kurs-Tabellen erstellen
-- ============================================
-- Kurs-Tabelle
CREATE TABLE IF NOT EXISTS community.vocab_course (
id SERIAL PRIMARY KEY,
owner_user_id INTEGER NOT NULL,
title TEXT NOT NULL,
description TEXT,
language_id INTEGER NOT NULL,
difficulty_level INTEGER DEFAULT 1,
is_public BOOLEAN DEFAULT false,
share_code TEXT,
created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
updated_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
CONSTRAINT vocab_course_owner_fk
FOREIGN KEY (owner_user_id)
REFERENCES community."user"(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_language_fk
FOREIGN KEY (language_id)
REFERENCES community.vocab_language(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_share_code_uniq UNIQUE (share_code)
);
-- Lektionen innerhalb eines Kurses
CREATE TABLE IF NOT EXISTS community.vocab_course_lesson (
id SERIAL PRIMARY KEY,
course_id INTEGER NOT NULL,
chapter_id INTEGER,
lesson_number INTEGER NOT NULL,
title TEXT NOT NULL,
description TEXT,
week_number INTEGER,
day_number INTEGER,
lesson_type TEXT DEFAULT 'vocab',
audio_url TEXT,
cultural_notes TEXT,
target_minutes INTEGER,
target_score_percent INTEGER DEFAULT 80,
requires_review BOOLEAN DEFAULT false,
created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
CONSTRAINT vocab_course_lesson_course_fk
FOREIGN KEY (course_id)
REFERENCES community.vocab_course(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_lesson_chapter_fk
FOREIGN KEY (chapter_id)
REFERENCES community.vocab_chapter(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_lesson_unique UNIQUE (course_id, lesson_number)
);
-- Einschreibungen in Kurse
CREATE TABLE IF NOT EXISTS community.vocab_course_enrollment (
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL,
course_id INTEGER NOT NULL,
enrolled_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
CONSTRAINT vocab_course_enrollment_user_fk
FOREIGN KEY (user_id)
REFERENCES community."user"(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_enrollment_course_fk
FOREIGN KEY (course_id)
REFERENCES community.vocab_course(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_enrollment_unique UNIQUE (user_id, course_id)
);
-- Fortschritt pro User und Lektion
CREATE TABLE IF NOT EXISTS community.vocab_course_progress (
id SERIAL PRIMARY KEY,
user_id INTEGER NOT NULL,
course_id INTEGER NOT NULL,
lesson_id INTEGER NOT NULL,
completed BOOLEAN DEFAULT false,
score INTEGER DEFAULT 0,
last_accessed_at TIMESTAMP WITHOUT TIME ZONE,
completed_at TIMESTAMP WITHOUT TIME ZONE,
CONSTRAINT vocab_course_progress_user_fk
FOREIGN KEY (user_id)
REFERENCES community."user"(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_progress_course_fk
FOREIGN KEY (course_id)
REFERENCES community.vocab_course(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_progress_lesson_fk
FOREIGN KEY (lesson_id)
REFERENCES community.vocab_course_lesson(id)
ON DELETE CASCADE,
CONSTRAINT vocab_course_progress_unique UNIQUE (user_id, lesson_id)
);
-- ============================================
-- 2. Grammatik-Übungstabellen erstellen
-- ============================================
-- Grammatik-Übungstypen
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
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
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)
);
-- ============================================
-- 3. Indizes erstellen
-- ============================================
-- Kurs-Indizes
CREATE INDEX IF NOT EXISTS vocab_course_owner_idx
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_public_idx
ON community.vocab_course(is_public);
-- Lektion-Indizes
CREATE INDEX IF NOT EXISTS vocab_course_lesson_course_idx
ON community.vocab_course_lesson(course_id);
CREATE INDEX IF NOT EXISTS vocab_course_lesson_chapter_idx
ON community.vocab_course_lesson(chapter_id);
CREATE INDEX IF NOT EXISTS vocab_course_lesson_week_idx
ON community.vocab_course_lesson(course_id, week_number);
CREATE INDEX IF NOT EXISTS vocab_course_lesson_type_idx
ON community.vocab_course_lesson(lesson_type);
-- Einschreibungs-Indizes
CREATE INDEX IF NOT EXISTS vocab_course_enrollment_user_idx
ON community.vocab_course_enrollment(user_id);
CREATE INDEX IF NOT EXISTS vocab_course_enrollment_course_idx
ON community.vocab_course_enrollment(course_id);
-- Fortschritts-Indizes
CREATE INDEX IF NOT EXISTS vocab_course_progress_user_idx
ON community.vocab_course_progress(user_id);
CREATE INDEX IF NOT EXISTS vocab_course_progress_course_idx
ON community.vocab_course_progress(course_id);
CREATE INDEX IF NOT EXISTS vocab_course_progress_lesson_idx
ON community.vocab_course_progress(lesson_id);
-- Grammatik-Übungs-Indizes
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);
-- ============================================
-- 4. Standard-Daten einfügen
-- ============================================
-- Standard-Übungstypen für Grammatik
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;
-- ============================================
-- 5. Kommentare hinzufügen (optional)
-- ============================================
COMMENT ON COLUMN community.vocab_course_lesson.lesson_type IS
'Type: vocab, grammar, conversation, culture, review';
COMMENT ON COLUMN community.vocab_course_lesson.target_minutes IS
'Zielzeit in Minuten für diese Lektion';
COMMENT ON COLUMN community.vocab_course_lesson.target_score_percent IS
'Mindestpunktzahl in Prozent zum Abschluss (z.B. 80)';
COMMENT ON COLUMN community.vocab_course_lesson.requires_review IS
'Muss diese Lektion wiederholt werden, wenn Ziel nicht erreicht?';
-- ============================================
-- Fertig!
-- ============================================
-- Alle Tabellen, Indizes und Standard-Daten wurden erstellt.
-- Du kannst jetzt Kurse erstellen und verwenden.