Database basic CRUD (#27)

* started schema

* db schemas beginning

* first db schema gen

* added sqlc generation with go generate and sqlite driver

* i think these dependencies are needed

* added IF NOT EXISTS to create and CRUD for each table

* fixed missing columns

* added missing field

* fixed code generation with sqlc

backend/database/sql/schemas/artist_credit.sql

@@ -0,0 +1,4 @@
+CREATE TABLE IF NOT EXISTS artist_credit (
+  id   int PRIMARY KEY,
+  text string NOT NULL
+);

backend/database/sql/schemas/artist_credit_artist.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS artist_credit_artist (
+  id   int PRIMARY KEY,
+  artist_id int NOT NULL,
+  credit_id int NOT NULL,
+  FOREIGN KEY(artist_id) REFERENCES artists(id),
+  FOREIGN KEY(credit_id) REFERENCES artist_credit(id)
+);

backend/database/sql/schemas/artists.sql

@@ -0,0 +1,4 @@
+CREATE TABLE IF NOT EXISTS artists (
+  id   int PRIMARY KEY,
+  name text    NOT NULL
+);

backend/database/sql/schemas/audio_files.sql

@@ -0,0 +1,9 @@
+CREATE TABLE IF NOT EXISTS audio_files (
+  id int PRIMARY KEY,
+  file_path text NOT NULL UNIQUE,
+  length_milliseconds int NOT NULL,
+  file_type_id int NOT NULL,
+  recording_id int NOT NULL,
+  FOREIGN KEY(file_type_id) REFERENCES file_types(id),
+  FOREIGN KEY(recording_id) REFERENCES recordings(id)
+);

backend/database/sql/schemas/cover_art.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS cover_art (
+  id   int PRIMARY KEY,
+  is_embedded bool NOT NULL DEFAULT(false),
+  file_path text NOT NULL,
+  file_type_id int NOT NULL,
+  FOREIGN KEY(file_type_id) REFERENCES file_types(id)
+);

backend/database/sql/schemas/file_types.sql

@@ -0,0 +1,4 @@
+CREATE TABLE IF NOT EXISTS file_types (
+  id   INTEGER PRIMARY KEY,
+  extension text    NOT NULL UNIQUE
+);

backend/database/sql/schemas/recordings.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS recordings (
+  id   int PRIMARY KEY,
+  name text    NOT NULL,
+  artist_credit_id int NOT NULL,
+  FOREIGN KEY(artist_credit_id) REFERENCES artist_credit(id)
+);
+

backend/database/sql/schemas/release_group_recordings.sql

@@ -0,0 +1,8 @@
+CREATE TABLE IF NOT EXISTS release_group_recordings (
+  id   int PRIMARY KEY,
+  release_group_id int NOT NULL,
+  recording_id int NOT NULL,
+  FOREIGN KEY(release_group_id) REFERENCES release_groups(id),
+  FOREIGN KEY(recording_id) REFERENCES recordings(id)
+);
+

backend/database/sql/schemas/release_groups.sql

@@ -0,0 +1,6 @@
+CREATE TABLE IF NOT EXISTS release_groups (
+  id   int PRIMARY KEY,
+  name text    NOT NULL,
+  cover_art_id int NOT NULL,
+  FOREIGN KEY(cover_art_id) REFERENCES cover_art(id)
+);