Merge pull request pedroavpereira#3 from pedroavpereira/Initial-db-setup

Initial db setup

db/setup.sql

@@ -0,0 +1,90 @@
+DROP TABLE IF EXISTS users;
+DROP TABLE IF EXISTS users_reviews;
+DROP TABLE IF EXISTS books;
+DROP TABLE IF EXISTS messages;
+DROP TABLE IF EXISTS chat_rooms;
+DROP TABLE IF EXISTS swaps;
+DROP TABLE IF EXISTS book_collections;
+
+CREATE TABLE users(
+    user_id INT GENERATED ALWAYS AS IDENTITY,
+    email VARCHAR(100) UNIQUE NOT NULL,
+    first_name VARCHAR(100) NOT NULL,
+    last_name VARCHAR(100) NOT NULL, 
+    password VARCHAR(100) UNIQUE NOT NULL,
+    lat FLOAT NOT NULL,
+    lng FLOAT NOT NULL,
+    PRIMARY KEY(user_id)
+);
+
+CREATE TABLE users_reviews(
+    review_id INT GENERATED ALWAYS AS IDENTITY,
+    rating INT NOT NULL,
+    message TEXT,
+    user_id INT, 
+    submitted_by INT NOT NULL,
+    PRIMARY KEY(review_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
+);
+
+CREATE TABLE books(
+    book_id INT GENERATED ALWAYS AS IDENTITY,
+    title TEXT,
+    author TEXT[],
+    categories TEXT[], 
+    lang VARCHAR(30),
+    isbn INT NOT NULL,
+    image TEXT,
+    PRIMARY KEY(book_id)
+);
+
+CREATE TABLE messages(
+    message_id INT GENERATED ALWAYS AS IDENTITY,
+    room_id INT,
+    user_sent INT,
+    message TEXT, 
+    sent_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY(message_id),
+    FOREIGN KEY (room_id) REFERENCES chat_rooms(room_id),
+    FOREIGN KEY (user_sent) REFERENCES users(user_id)
+
+);
+
+CREATE TABLE chat_rooms(
+    room_id INT GENERATED ALWAYS AS IDENTITY,
+    user_1 INT,
+    user_2 INT,
+    swap_id INT,     
+    PRIMARY KEY(room_id),
+    FOREIGN KEY (swap_id) REFERENCES swaps(swap_id),
+    FOREIGN KEY (user_1) REFERENCES users(user_id),
+    FOREIGN KEY (user_2) REFERENCES users(user_id)
+);
+
+CREATE TABLE swaps(
+    swap_id INT GENERATED ALWAYS AS IDENTITY,
+    user_requesting INT,
+    collection_requested INT,
+    user_offered INT,
+    collection_offered INT,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    status VARCHAR(50),
+    completed BOOLEAN,   
+    PRIMARY KEY(swap_id),
+    FOREIGN KEY (user_requesting) REFERENCES users(user_id),
+    FOREIGN KEY (collection_requested) REFERENCES book_collections(collection_id),
+    FOREIGN KEY (user_offered) REFERENCES users(user_id),
+    FOREIGN KEY (collection_offered) REFERENCES book_collections(collection_id)
+);
+
+
+CREATE TABLE book_collections(
+    collection_id INT GENERATED ALWAYS AS IDENTITY,
+    book_id INT,
+    user_id INT,
+    condition TEXT,
+    delivery_preference TEXT[], 
+    PRIMARY KEY(collection_id),
+    FOREIGN KEY (book_id) REFERENCES books(book_id),
+    FOREIGN KEY (user_id) REFERENCES users(user_id)
+);