142 lines
5.1 KiB
SQL
142 lines
5.1 KiB
SQL
CREATE EXTENSION IF NOT EXISTS pgcrypto;
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CREATE TABLE IF NOT EXISTS users (
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id BIGSERIAL PRIMARY KEY,
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username VARCHAR(50) UNIQUE NOT NULL,
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password VARCHAR(255) NOT NULL,
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role VARCHAR(20) NOT NULL DEFAULT 'STUDENT'
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);
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-- Админ по умолчанию: admin / admin (bcrypt через pgcrypto)
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INSERT INTO users (username, password, role)
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VALUES ('admin', crypt('admin', gen_salt('bf', 10)), 'ADMIN')
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ON CONFLICT (username) DO NOTHING;
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CREATE TABLE IF NOT EXISTS education_forms (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(100) UNIQUE NOT NULL
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);
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INSERT INTO education_forms (name) VALUES ('Бакалавриат'), ('Магистратура'), ('Специалитет')
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ON CONFLICT (name) DO NOTHING;
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CREATE TABLE IF NOT EXISTS student_groups (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(100) UNIQUE NOT NULL,
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education_form_id BIGINT NOT NULL REFERENCES education_forms(id)
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);
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-- ==========================================
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-- Справочники
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-- ==========================================
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-- Дисциплины
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CREATE TABLE IF NOT EXISTS subjects (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(200) UNIQUE NOT NULL
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);
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INSERT INTO subjects (name) VALUES
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('Высшая математика'),
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('Философия'),
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('Информатика'),
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('Базы данных'),
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('Английский язык')
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ON CONFLICT (name) DO NOTHING;
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-- Типы занятий
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CREATE TABLE IF NOT EXISTS lesson_types (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(50) UNIQUE NOT NULL
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);
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INSERT INTO lesson_types (name) VALUES
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('Лекция'),
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('Практика'),
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('Лабораторная работа')
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ON CONFLICT (name) DO NOTHING;
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-- Оборудование
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CREATE TABLE IF NOT EXISTS equipments (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(50) UNIQUE NOT NULL
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);
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INSERT INTO equipments (name) VALUES
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('Проектор'),
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('ПК'),
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('Лаборатория'),
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('Интерактивная доска')
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ON CONFLICT (name) DO NOTHING;
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-- Аудитории
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CREATE TABLE IF NOT EXISTS classrooms (
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id BIGSERIAL PRIMARY KEY,
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name VARCHAR(50) UNIQUE NOT NULL,
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capacity INT NOT NULL,
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is_available BOOLEAN DEFAULT TRUE
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);
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INSERT INTO classrooms (name, capacity) VALUES
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('101 Ленинская', 120),
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('202 IT Lab', 20),
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('303 Обычная', 30)
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ON CONFLICT (name) DO NOTHING;
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-- Привязка оборудования к аудиториям (Many-to-Many)
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CREATE TABLE IF NOT EXISTS classroom_equipments (
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classroom_id BIGINT NOT NULL REFERENCES classrooms(id) ON DELETE CASCADE,
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equipment_id BIGINT NOT NULL REFERENCES equipments(id) ON DELETE CASCADE,
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PRIMARY KEY (classroom_id, equipment_id)
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);
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-- Заполнение привязок оборудования (на основе ID базовых данных)
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-- '101 Ленинская' -> Проектор (1), Интерактивная доска (4)
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INSERT INTO classroom_equipments (classroom_id, equipment_id) VALUES
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(1, 1), (1, 4),
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-- '202 IT Lab' -> ПК (2), Проектор (1), Лаборатория (3)
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(2, 2), (2, 1), (2, 3)
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-- '303 Обычная' -> ничего
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ON CONFLICT DO NOTHING;
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-- ==========================================
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-- Связи для преподавателей и студентов
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-- ==========================================
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-- Подгруппы (например: "ИВТ-21-1 Подгруппа 1")
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CREATE TABLE IF NOT EXISTS subgroups (
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id BIGSERIAL PRIMARY KEY,
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group_id BIGINT NOT NULL REFERENCES student_groups(id) ON DELETE CASCADE,
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name VARCHAR(100) NOT NULL,
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UNIQUE(group_id, name)
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);
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-- Тестовая базовая группа для работы
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INSERT INTO student_groups (name, education_form_id)
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VALUES ('ИВТ-21-1', 1)
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ON CONFLICT (name) DO NOTHING;
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-- Привязка преподавателей к дисциплинам
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CREATE TABLE IF NOT EXISTS teacher_subjects (
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user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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subject_id BIGINT NOT NULL REFERENCES subjects(id) ON DELETE CASCADE,
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PRIMARY KEY(user_id, subject_id)
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);
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-- ==========================================
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-- Основная таблица Расписания (Lessons)
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-- ==========================================
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CREATE TABLE IF NOT EXISTS lessons (
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id BIGSERIAL PRIMARY KEY,
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teacher_id BIGINT NOT NULL REFERENCES users(id),
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subject_id BIGINT NOT NULL REFERENCES subjects(id),
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lesson_type_id BIGINT NOT NULL REFERENCES lesson_types(id),
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classroom_id BIGINT NOT NULL REFERENCES classrooms(id),
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group_id BIGINT NOT NULL REFERENCES student_groups(id), -- первичная группа
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subgroup_id BIGINT REFERENCES subgroups(id), -- необязательно (если делим группу)
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day_of_week INT NOT NULL CHECK (day_of_week BETWEEN 1 AND 7), -- 1=Понедельник, 7=Воскресенье
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is_even_week BOOLEAN NOT NULL, -- Четная/нечетная неделя
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start_time TIME NOT NULL, -- Напр. '08:00:00'
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end_time TIME NOT NULL -- Напр. '09:30:00'
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);
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