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)
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backend/sql/create-vocab-courses.sql
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242
backend/sql/create-vocab-courses.sql
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-- ============================================
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-- Vocab Courses - Vollständige SQL-Installation
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-- ============================================
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-- Führe diese Queries direkt auf dem Server aus
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-- Reihenfolge beachten!
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-- ============================================
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-- 1. Kurs-Tabellen erstellen
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-- ============================================
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-- Kurs-Tabelle
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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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-- Lektionen innerhalb eines Kurses
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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,
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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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week_number INTEGER,
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day_number INTEGER,
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lesson_type TEXT DEFAULT 'vocab',
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audio_url TEXT,
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cultural_notes TEXT,
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target_minutes INTEGER,
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target_score_percent INTEGER DEFAULT 80,
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requires_review BOOLEAN DEFAULT false,
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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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-- Einschreibungen in Kurse
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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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-- Fortschritt pro User und Lektion
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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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-- 2. Grammatik-Übungstabellen erstellen
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-- ============================================
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-- Grammatik-Übungstypen
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CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise_type (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL UNIQUE,
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description TEXT,
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created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW()
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);
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-- Grammatik-Übungen
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CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise (
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id SERIAL PRIMARY KEY,
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lesson_id INTEGER NOT NULL,
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exercise_type_id INTEGER NOT NULL,
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exercise_number INTEGER NOT NULL,
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title TEXT NOT NULL,
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instruction TEXT,
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question_data JSONB NOT NULL,
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answer_data JSONB NOT NULL,
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explanation TEXT,
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created_by_user_id INTEGER NOT NULL,
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created_at TIMESTAMP WITHOUT TIME ZONE NOT NULL DEFAULT NOW(),
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CONSTRAINT vocab_grammar_exercise_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_grammar_exercise_type_fk
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FOREIGN KEY (exercise_type_id)
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REFERENCES community.vocab_grammar_exercise_type(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_grammar_exercise_creator_fk
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FOREIGN KEY (created_by_user_id)
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REFERENCES community."user"(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_grammar_exercise_unique UNIQUE (lesson_id, exercise_number)
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);
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-- Fortschritt für Grammatik-Übungen
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CREATE TABLE IF NOT EXISTS community.vocab_grammar_exercise_progress (
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id SERIAL PRIMARY KEY,
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user_id INTEGER NOT NULL,
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exercise_id INTEGER NOT NULL,
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attempts INTEGER DEFAULT 0,
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correct_attempts INTEGER DEFAULT 0,
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last_attempt_at TIMESTAMP WITHOUT TIME ZONE,
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completed BOOLEAN DEFAULT false,
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completed_at TIMESTAMP WITHOUT TIME ZONE,
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CONSTRAINT vocab_grammar_exercise_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_grammar_exercise_progress_exercise_fk
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FOREIGN KEY (exercise_id)
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REFERENCES community.vocab_grammar_exercise(id)
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ON DELETE CASCADE,
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CONSTRAINT vocab_grammar_exercise_progress_unique UNIQUE (user_id, exercise_id)
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);
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-- ============================================
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-- 3. Indizes erstellen
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-- ============================================
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-- Kurs-Indizes
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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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-- Lektion-Indizes
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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_lesson_week_idx
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ON community.vocab_course_lesson(course_id, week_number);
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CREATE INDEX IF NOT EXISTS vocab_course_lesson_type_idx
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ON community.vocab_course_lesson(lesson_type);
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-- Einschreibungs-Indizes
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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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-- Fortschritts-Indizes
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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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-- Grammatik-Übungs-Indizes
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CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_lesson_idx
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ON community.vocab_grammar_exercise(lesson_id);
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CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_type_idx
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ON community.vocab_grammar_exercise(exercise_type_id);
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CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_progress_user_idx
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ON community.vocab_grammar_exercise_progress(user_id);
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CREATE INDEX IF NOT EXISTS vocab_grammar_exercise_progress_exercise_idx
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ON community.vocab_grammar_exercise_progress(exercise_id);
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-- ============================================
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-- 4. Standard-Daten einfügen
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-- ============================================
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-- Standard-Übungstypen für Grammatik
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INSERT INTO community.vocab_grammar_exercise_type (name, description) VALUES
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('gap_fill', 'Lückentext-Übung'),
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('multiple_choice', 'Multiple-Choice-Fragen'),
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('sentence_building', 'Satzbau-Übung'),
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('transformation', 'Satzumformung'),
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('conjugation', 'Konjugations-Übung'),
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('declension', 'Deklinations-Übung')
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ON CONFLICT (name) DO NOTHING;
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-- ============================================
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-- 5. Kommentare hinzufügen (optional)
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-- ============================================
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COMMENT ON COLUMN community.vocab_course_lesson.lesson_type IS
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'Type: vocab, grammar, conversation, culture, review';
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COMMENT ON COLUMN community.vocab_course_lesson.target_minutes IS
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'Zielzeit in Minuten für diese Lektion';
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COMMENT ON COLUMN community.vocab_course_lesson.target_score_percent IS
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'Mindestpunktzahl in Prozent zum Abschluss (z.B. 80)';
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COMMENT ON COLUMN community.vocab_course_lesson.requires_review IS
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'Muss diese Lektion wiederholt werden, wenn Ziel nicht erreicht?';
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-- ============================================
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-- Fertig!
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-- ============================================
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-- Alle Tabellen, Indizes und Standard-Daten wurden erstellt.
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-- Du kannst jetzt Kurse erstellen und verwenden.
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