added more table creation scripts

up/sessions.sql

@@ -35,6 +35,93 @@ CREATE TABLE jam_session_members (
 
 ALTER TABLE jam_session_members ADD CONSTRAINT user_jam_session_uniqkey UNIQUE (user_id, jam_session_id);
 
+CREATE TABLE connections (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+    client_id VARCHAR(64) NOT NULL UNIQUE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- friendships
+CREATE TABLE friendships (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+    friend_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+ALTER TABLE friendships ADD CONSTRAINT user_friend_uniqkey UNIQUE (user_id, friend_id);
+
+-- bands
+CREATE TABLE bands (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    name VARCHAR(1024) NOT NULL,
+    -- add more fields later
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- genres
+CREATE TABLE genres (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    description VARCHAR(1024) NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- band -> genre mapping
+CREATE TABLE bands_genres (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    band_id VARCHAR(64) REFERENCES bands(id) ON DELETE CASCADE,
+    genre_id VARCHAR(64) REFERENCES genres(id) ON DELETE CASCADE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+ALTER TABLE bands_genres ADD CONSTRAINT band_genre_uniqkey UNIQUE (band_id, genre_id);
+
+-- musicians
+CREATE TABLE musicians (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    user_id VARCHAR(64) REFERENCES users(id) ON DELETE CASCADE,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- musician -> band mapping
+CREATE TABLE bands_musicians (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    band_id VARCHAR(64) REFERENCES bands(id) ON DELETE CASCADE,
+    musician_id VARCHAR(64) REFERENCES musicians(id) ON DELETE CASCADE,
+    is_admin BOOLEAN NOT NULL DEFAULT false,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+ALTER TABLE bands_musicians ADD CONSTRAINT band_musician_uniqkey UNIQUE (band_id, musician_id);
+
+-- instruments
+CREATE TABLE instruments (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    description VARCHAR(1024) NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- musician -> instrument mapping
+CREATE TABLE musicians_instruments (
+    id VARCHAR(64) PRIMARY KEY DEFAULT uuid_generate_v4(),
+    musician_id VARCHAR(64) REFERENCES musicians(id) ON DELETE CASCADE,
+    instrument_id VARCHAR(64) REFERENCES instruments(id) ON DELETE CASCADE,
+    proficiency_level SMALLINT NOT NULL,
+    created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+ALTER TABLE musicians_instruments ADD CONSTRAINT musician_instrument_uniqkey UNIQUE (musician_id, instrument_id);
+
 -- create a utility method to truncate all tables
 
 CREATE OR REPLACE FUNCTION truncate_tables() RETURNS void AS $$