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Letschat / src /db /supabaseSQLcreate.sql
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-- Drop existing tables if they exist (safe teardown for re-creating DB)
DROP TABLE IF EXISTS room_messages CASCADE;
DROP TABLE IF EXISTS logs CASCADE;
DROP TABLE IF EXISTS codes CASCADE;
DROP TABLE IF EXISTS users CASCADE;
DROP TABLE IF EXISTS rooms CASCADE;
-- Enable necessary extensions (ensure gen_random_uuid is available)
CREATE EXTENSION IF NOT EXISTS "pgcrypto";
CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
-- Rooms table (created first because other tables reference it)
CREATE TABLE rooms (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
name VARCHAR,
description VARCHAR(255),
status INTEGER DEFAULT 1,
date_created TIMESTAMP DEFAULT NOW(),
date_last_message TIMESTAMP,
updated_at TIMESTAMP DEFAULT NOW(),
creator_id UUID
);
-- Users table
-- id MUST match auth.users.id (no default) to keep auth as single source of truth
CREATE TABLE users (
id UUID PRIMARY KEY,
email VARCHAR UNIQUE NOT NULL,
token VARCHAR UNIQUE NOT NULL DEFAULT gen_random_uuid()::text,
status INTEGER DEFAULT 1,
fname VARCHAR NOT NULL,
sname VARCHAR NOT NULL,
sex INTEGER,
nickname VARCHAR,
birth_date DATE,
photo_url VARCHAR,
lang VARCHAR DEFAULT 'cs',
created_at TIMESTAMP DEFAULT NOW(),
updated_at TIMESTAMP DEFAULT NOW()
);
-- Codes table (create without FK references to avoid dependency ordering issues)
CREATE TABLE codes (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
code VARCHAR(5) UNIQUE NOT NULL,
linked_to UUID, -- will add self-FK constraint below
used INTEGER,
user_id UUID, -- will add FK constraint below
room_id UUID, -- will add FK constraint below
pin_hash VARCHAR,
session_hash VARCHAR,
date_first TIMESTAMP,
date_last TIMESTAMP,
used_count INTEGER DEFAULT 0,
created_at TIMESTAMP DEFAULT NOW()
);
-- Room messages table (create without FK references to avoid ordering issues)
CREATE TABLE room_messages (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
room_id UUID, -- FK added below
code_id UUID, -- FK added below
user_id UUID, -- FK added below
content TEXT NOT NULL,
image_url VARCHAR,
created_at TIMESTAMP DEFAULT NOW()
);
-- Logs table
CREATE TABLE logs (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
created_at TIMESTAMP DEFAULT NOW(),
lang VARCHAR,
ip VARCHAR,
user_agent VARCHAR,
module VARCHAR,
operation VARCHAR,
data JSONB,
error TEXT,
level VARCHAR
);
-- Create indexes
CREATE INDEX idx_codes_code ON codes(code);
CREATE INDEX idx_codes_used ON codes(used);
CREATE INDEX idx_codes_room_id ON codes(room_id);
CREATE INDEX idx_room_messages_room_id ON room_messages(room_id);
CREATE INDEX idx_room_messages_created_at ON room_messages(created_at);
CREATE INDEX idx_users_email ON users(email);
CREATE INDEX idx_users_status ON users(status);
CREATE INDEX idx_logs_created_at ON logs(created_at);
-- Add foreign key constraints after all tables exist (avoids "relation does not exist" errors)
-- Ensure profile id references auth.users(id) for consistency
ALTER TABLE users
ADD CONSTRAINT fk_users_auth FOREIGN KEY (id) REFERENCES auth.users(id) ON DELETE CASCADE;
-- codes foreign keys
ALTER TABLE codes
ADD CONSTRAINT fk_codes_linked_to FOREIGN KEY (linked_to) REFERENCES codes(id);
ALTER TABLE codes
ADD CONSTRAINT fk_codes_user FOREIGN KEY (user_id) REFERENCES users(id);
ALTER TABLE codes
ADD CONSTRAINT fk_codes_room FOREIGN KEY (room_id) REFERENCES rooms(id);
-- Make creator relation explicit
ALTER TABLE rooms
ADD CONSTRAINT fk_rooms_creator FOREIGN KEY (creator_id) REFERENCES users(id);
-- room_messages foreign keys
ALTER TABLE room_messages
ADD CONSTRAINT fk_room_messages_room FOREIGN KEY (room_id) REFERENCES rooms(id) ON DELETE CASCADE;
ALTER TABLE room_messages
ADD CONSTRAINT fk_room_messages_code FOREIGN KEY (code_id) REFERENCES codes(id);
ALTER TABLE room_messages
ADD CONSTRAINT fk_room_messages_user FOREIGN KEY (user_id) REFERENCES users(id);
-- Logs (no FKs)
-- Enable RLS
ALTER TABLE users ENABLE ROW LEVEL SECURITY;
ALTER TABLE codes ENABLE ROW LEVEL SECURITY;
ALTER TABLE rooms ENABLE ROW LEVEL SECURITY;
ALTER TABLE room_messages ENABLE ROW LEVEL SECURITY;
ALTER TABLE logs ENABLE ROW LEVEL SECURITY;
-- RLS policies for users
DROP POLICY IF EXISTS "Users can view own profile" ON users;
CREATE POLICY "Users can view own profile" ON users
FOR SELECT USING (auth.uid()::text = id::text);
DROP POLICY IF EXISTS "Users can insert own profile" ON users;
CREATE POLICY "Users can insert own profile" ON users
FOR INSERT WITH CHECK (auth.role() = 'service_role' OR auth.uid()::text = id::text);
DROP POLICY IF EXISTS "Users can update own profile" ON users;
CREATE POLICY "Users can update own profile" ON users
FOR UPDATE USING (auth.uid()::text = id::text) WITH CHECK (auth.uid()::text = id::text);
DROP POLICY IF EXISTS "Users can delete own profile" ON users;
CREATE POLICY "Users can delete own profile" ON users
FOR DELETE USING (auth.uid()::text = id::text);
-- Logs: allow service role only
DROP POLICY IF EXISTS "Logs service role only" ON logs;
CREATE POLICY "Logs service role only" ON logs
USING (auth.role() = 'service_role')
WITH CHECK (auth.role() = 'service_role');
-- Note: service role bypasses RLS; use service role for migrations and admin operations.
-- Additional policies for other tables should reference auth.uid() similarly where needed.