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