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2026-02-05 22:42:30 +01:00
commit 0068785924
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+-- Security Awareness Learning Platform Database Schema
+-- PostgreSQL 15+
+
+-- Events table: Represents training events/sessions
+CREATE TABLE events (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR(255) NOT NULL,
+    description TEXT,
+    start_date TIMESTAMP,
+    end_date TIMESTAMP,
+    is_active BOOLEAN DEFAULT true,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Participants table: Anonymous participants with pseudonyms
+CREATE TABLE participants (
+    id SERIAL PRIMARY KEY,
+    pseudonym VARCHAR(100) NOT NULL,
+    event_id INTEGER NOT NULL REFERENCES events(id) ON DELETE CASCADE,
+    session_token VARCHAR(255) UNIQUE NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    last_active TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(pseudonym, event_id)
+);
+
+-- Lessons table: Catalog of available lessons
+CREATE TABLE lessons (
+    id SERIAL PRIMARY KEY,
+    lesson_key VARCHAR(100) UNIQUE NOT NULL,
+    title VARCHAR(255) NOT NULL,
+    description TEXT,
+    module_path VARCHAR(255) NOT NULL,
+    config_path VARCHAR(255) NOT NULL,
+    difficulty_level VARCHAR(50),
+    estimated_duration INTEGER,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- Event_Lessons table: Lessons assigned to events with configuration
+CREATE TABLE event_lessons (
+    id SERIAL PRIMARY KEY,
+    event_id INTEGER NOT NULL REFERENCES events(id) ON DELETE CASCADE,
+    lesson_id INTEGER NOT NULL REFERENCES lessons(id) ON DELETE CASCADE,
+    order_index INTEGER NOT NULL,
+    max_points INTEGER NOT NULL DEFAULT 100,
+    weight DECIMAL(5,2) DEFAULT 1.0,
+    is_required BOOLEAN DEFAULT true,
+    unlock_after_lesson_id INTEGER REFERENCES lessons(id),
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(event_id, lesson_id),
+    UNIQUE(event_id, order_index)
+);
+
+-- Lesson_Progress table: Tracks participant progress through lessons
+CREATE TABLE lesson_progress (
+    id SERIAL PRIMARY KEY,
+    participant_id INTEGER NOT NULL REFERENCES participants(id) ON DELETE CASCADE,
+    event_lesson_id INTEGER NOT NULL REFERENCES event_lessons(id) ON DELETE CASCADE,
+    status VARCHAR(50) NOT NULL DEFAULT 'not_started',
+    started_at TIMESTAMP,
+    completed_at TIMESTAMP,
+    score INTEGER DEFAULT 0,
+    attempts INTEGER DEFAULT 0,
+    current_step INTEGER DEFAULT 0,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    UNIQUE(participant_id, event_lesson_id),
+    CHECK (status IN ('not_started', 'in_progress', 'completed'))
+);
+
+-- Lesson_Answers table: Stores participant answers
+CREATE TABLE lesson_answers (
+    id SERIAL PRIMARY KEY,
+    lesson_progress_id INTEGER NOT NULL REFERENCES lesson_progress(id) ON DELETE CASCADE,
+    question_key VARCHAR(100) NOT NULL,
+    answer_data JSONB NOT NULL,
+    is_correct BOOLEAN,
+    points_awarded INTEGER DEFAULT 0,
+    submitted_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    feedback TEXT
+);
+
+-- Admin_Users table: Admin authentication
+CREATE TABLE admin_users (
+    id SERIAL PRIMARY KEY,
+    username VARCHAR(100) UNIQUE NOT NULL,
+    password_hash VARCHAR(255) NOT NULL,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    last_login TIMESTAMP
+);
+
+-- Indexes for performance
+CREATE INDEX idx_participants_event ON participants(event_id);
+CREATE INDEX idx_participants_session ON participants(session_token);
+CREATE INDEX idx_participants_pseudonym ON participants(pseudonym);
+CREATE INDEX idx_event_lessons_event ON event_lessons(event_id);
+CREATE INDEX idx_event_lessons_lesson ON event_lessons(lesson_id);
+CREATE INDEX idx_event_lessons_order ON event_lessons(event_id, order_index);
+CREATE INDEX idx_lesson_progress_participant ON lesson_progress(participant_id);
+CREATE INDEX idx_lesson_progress_event_lesson ON lesson_progress(event_lesson_id);
+CREATE INDEX idx_lesson_progress_status ON lesson_progress(status);
+CREATE INDEX idx_lesson_answers_progress ON lesson_answers(lesson_progress_id);
+CREATE INDEX idx_lesson_answers_question ON lesson_answers(question_key);
+
+-- Trigger function to update updated_at timestamps
+CREATE OR REPLACE FUNCTION update_updated_at_column()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.updated_at = CURRENT_TIMESTAMP;
+    RETURN NEW;
+END;
+$$ language 'plpgsql';
+
+-- Apply triggers to tables
+CREATE TRIGGER update_events_updated_at BEFORE UPDATE ON events
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_lessons_updated_at BEFORE UPDATE ON lessons
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+CREATE TRIGGER update_lesson_progress_updated_at BEFORE UPDATE ON lesson_progress
+    FOR EACH ROW EXECUTE FUNCTION update_updated_at_column();
+
+-- Insert default admin user (password: admin123 - CHANGE IN PRODUCTION!)
+-- bcrypt hash for 'admin123' with 10 rounds
+INSERT INTO admin_users (username, password_hash) VALUES
+('admin', '$2b$10$mP8BvCik6In9lvWqxV57VuKglR3IqW4GfMoF.5fsT8HrTxRqscElW');
+
+-- Comments for documentation
+COMMENT ON TABLE events IS 'Training events or sessions that participants can join';
+COMMENT ON TABLE participants IS 'Anonymous participants identified by pseudonym within events';
+COMMENT ON TABLE lessons IS 'Catalog of available lesson modules';
+COMMENT ON TABLE event_lessons IS 'Lessons assigned to specific events with custom configuration';
+COMMENT ON TABLE lesson_progress IS 'Tracks individual participant progress through lessons';
+COMMENT ON TABLE lesson_answers IS 'Stores submitted answers with scoring information';
+COMMENT ON TABLE admin_users IS 'Administrative users with full system access';