Implemented data model, database schema and database connection pool.

migrations/01_init_db.sql

@@ -0,0 +1,70 @@
+CREATE TABLE company (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    street VARCHAR,
+    house_number VARCHAR,
+    zip_code VARCHAR,
+    city VARCHAR
+);
+
+CREATE TABLE "user" (
+    id SERIAL PRIMARY KEY,
+    login VARCHAR NOT NULL,
+    password VARCHAR NOT NULL,
+    full_name VARCHAR,
+    email VARCHAR,
+    admin bool,
+    get_emails bool
+);
+
+CREATE TABLE property (
+    id SERIAL PRIMARY KEY,
+    name VARCHAR NOT NULL,
+    description VARCHAR,
+    price NUMERIC(9, 2) NOT NULL
+);
+
+CREATE TYPE message_type AS ENUM ('NewReservation', 'NewReservationCust', 'ReservationApp', 'ReservationCanceled');
+
+CREATE TABLE message (
+    id SERIAL PRIMARY KEY,
+    msg_type message_type NOT NULL ,
+    subject VARCHAR NOT NULL ,
+    "text" TEXT NOT NULL
+);
+
+CREATE TABLE opening_hour (
+    id SERIAL PRIMARY KEY,
+    day INTEGER NOT NULL ,
+    "from" TIME NOT NULL ,
+    "to" TIME NOT NULL,
+    discount INTEGER
+);
+
+CREATE TABLE customer (
+    id BIGSERIAL PRIMARY KEY,
+    full_name VARCHAR NOT NULL,
+    email VARCHAR NOT NULL,
+    phone VARCHAR,
+    discount INTEGER
+);
+
+CREATE TYPE reservation_state AS ENUM ('New', 'Approved', 'Canceled');
+
+CREATE TABLE reservation_sum (
+    id BIGSERIAL PRIMARY KEY,
+    uuid uuid NOT NULL,
+    date DATE NOT NULL,
+    customer BIGINT REFERENCES customer(id) NOT NULL,
+    price NUMERIC(9, 2) NOT NULL,
+    state reservation_state
+);
+
+
+CREATE TABLE reservation (
+    id BIGSERIAL PRIMARY KEY,
+    "from" TIME NOT NULL,
+    "to" TIME NOT NULL,
+    property INTEGER REFERENCES property(id) NOT NULL,
+    summary BIGINT REFERENCES reservation_sum(id) NOT NULL
+);