WhatIDo/db/init.sql

CREATE TABLE IF NOT EXISTS branches (
  id SERIAL PRIMARY KEY,
  name VARCHAR(200) NOT NULL UNIQUE,
  address TEXT,
  phone VARCHAR(50),
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE TABLE IF NOT EXISTS groups (
  id SERIAL PRIMARY KEY,
  name VARCHAR(100) NOT NULL UNIQUE,
  branch_id INT REFERENCES branches(id) ON DELETE SET NULL,
  created_at TIMESTAMPTZ DEFAULT now(),
  day_of_week INT,
  time_start TIME,
  time_end TIME,
  cover_path VARCHAR(255)
);

CREATE TABLE IF NOT EXISTS students (
  id SERIAL PRIMARY KEY,
  name VARCHAR(150) NOT NULL UNIQUE,
  group_id INT REFERENCES groups(id),
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE TABLE IF NOT EXISTS entries (
  id SERIAL PRIMARY KEY,
  student_name VARCHAR(150) NOT NULL,
  group_id INT NOT NULL REFERENCES groups(id),
  description TEXT NOT NULL,
  description_original TEXT,
  description_ai TEXT,
  ai_status VARCHAR(20) NOT NULL DEFAULT 'pending',
  ai_checked_at TIMESTAMPTZ,
  ai_error TEXT,
  photo_path VARCHAR(255),
  deleted_at TIMESTAMPTZ,
  created_at TIMESTAMPTZ DEFAULT now()
);

ALTER TABLE entries ADD COLUMN IF NOT EXISTS description_original TEXT;
ALTER TABLE entries ADD COLUMN IF NOT EXISTS description_ai TEXT;
ALTER TABLE entries ADD COLUMN IF NOT EXISTS ai_status VARCHAR(20) NOT NULL DEFAULT 'pending';
ALTER TABLE entries ADD COLUMN IF NOT EXISTS ai_checked_at TIMESTAMPTZ;
ALTER TABLE entries ADD COLUMN IF NOT EXISTS ai_error TEXT;

CREATE INDEX IF NOT EXISTS idx_entries_ai_pending ON entries(id) WHERE ai_status = 'pending' AND deleted_at IS NULL;

CREATE TABLE IF NOT EXISTS settings (
  key TEXT PRIMARY KEY,
  value TEXT
);

INSERT INTO settings (key, value) VALUES ('spam_interval_min', '30')
ON CONFLICT (key) DO NOTHING;
INSERT INTO settings (key, value) VALUES ('ai_prompt', 'Ты — редактор текстов для педагогического журнала. Исправь грамматические, орфографические и пунктуационные ошибки. Сохрани смысл и стиль. Верни ТОЛЬКО исправленный текст, без пояснений.')
ON CONFLICT (key) DO NOTHING;
INSERT INTO settings (key, value) VALUES ('ai_autocheck_enabled', 'true')
ON CONFLICT (key) DO NOTHING;

CREATE TABLE IF NOT EXISTS share_links (
  id SERIAL PRIMARY KEY,
  token VARCHAR(40) UNIQUE NOT NULL,
  name VARCHAR(200) NOT NULL,
  group_id INT REFERENCES groups(id),
  student_name VARCHAR(150),
  date_from DATE,
  date_to DATE,
  anonymize_names BOOLEAN DEFAULT false,
  expires_at TIMESTAMPTZ,
  access_password_hash VARCHAR(255),
  message TEXT,
  link_url VARCHAR(500),
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_share_links_expires_at ON share_links(expires_at);

INSERT INTO groups (name) VALUES
  ('Beginner'),
  ('Intermediate'),
  ('Advanced')
ON CONFLICT (name) DO NOTHING;

CREATE TABLE IF NOT EXISTS group_photos (
  id SERIAL PRIMARY KEY,
  group_id INT NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
  photo_path VARCHAR(255) NOT NULL,
  caption TEXT,
  taken_at DATE,
  sort_order INT DEFAULT 0,
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_group_photos_group_id ON group_photos(group_id);

CREATE TABLE IF NOT EXISTS project_files (
  id SERIAL PRIMARY KEY,
  entry_id INT REFERENCES entries(id) ON DELETE CASCADE,
  token VARCHAR(64) UNIQUE NOT NULL,
  path VARCHAR(255) NOT NULL,
  name VARCHAR(255) NOT NULL,
  created_at TIMESTAMPTZ DEFAULT now(),
  detached_at TIMESTAMPTZ
);

CREATE TABLE IF NOT EXISTS entry_photos (
  id SERIAL PRIMARY KEY,
  entry_id INT NOT NULL REFERENCES entries(id) ON DELETE CASCADE,
  photo_path VARCHAR(255) NOT NULL,
  caption TEXT,
  sort_order INT DEFAULT 0,
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_entry_photos_entry_id ON entry_photos(entry_id);

CREATE TABLE IF NOT EXISTS users (
  id SERIAL PRIMARY KEY,
  username VARCHAR(100) NOT NULL UNIQUE,
  password_hash VARCHAR(255) NOT NULL,
  name VARCHAR(150),
  role VARCHAR(20) NOT NULL DEFAULT 'tutor' CHECK (role IN ('admin','tutor')),
  is_active BOOLEAN DEFAULT true,
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE TABLE IF NOT EXISTS user_branches (
  user_id INT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
  branch_id INT NOT NULL REFERENCES branches(id) ON DELETE CASCADE,
  PRIMARY KEY (user_id, branch_id)
);

CREATE TABLE IF NOT EXISTS sessions (
  id SERIAL PRIMARY KEY,
  user_id INT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
  token VARCHAR(64) NOT NULL UNIQUE,
  created_at TIMESTAMPTZ DEFAULT now(),
  expires_at TIMESTAMPTZ NOT NULL
);

CREATE INDEX IF NOT EXISTS idx_sessions_token ON sessions(token);
CREATE INDEX IF NOT EXISTS idx_sessions_expires_at ON sessions(expires_at);

CREATE TABLE IF NOT EXISTS audit_log (
  id SERIAL PRIMARY KEY,
  user_id INT REFERENCES users(id) ON DELETE SET NULL,
  action VARCHAR(100) NOT NULL,
  target JSONB,
  ip VARCHAR(45),
  created_at TIMESTAMPTZ DEFAULT now()
);

CREATE INDEX IF NOT EXISTS idx_audit_log_created_at ON audit_log(created_at DESC);