From 81b1490cce6cd2c05fe7f3459e76a288f0a4ad38 Mon Sep 17 00:00:00 2001
From: Carter Bertolini <carterbertolini@gmail.com>
Date: Fri, 1 Nov 2024 16:37:22 -0400
Subject: [PATCH] Create playlist database migration

---
 .../down.sql                                  |  5 +++++
 .../up.sql                                    | 17 ++++++++++++++
 src/schema.rs                                 | 22 +++++++++++++++++++
 3 files changed, 44 insertions(+)
 create mode 100644 migrations/2024-10-22-212759_create_playlist_tables/down.sql
 create mode 100644 migrations/2024-10-22-212759_create_playlist_tables/up.sql

diff --git a/migrations/2024-10-22-212759_create_playlist_tables/down.sql b/migrations/2024-10-22-212759_create_playlist_tables/down.sql
new file mode 100644
index 0000000..defde9d
--- /dev/null
+++ b/migrations/2024-10-22-212759_create_playlist_tables/down.sql
@@ -0,0 +1,5 @@
+DROP INDEX playlists_owner_idx;
+DROP TABLE playlists;
+
+DROP INDEX playlist_songs_playlist_idx;
+DROP TABLE playlist_songs;
diff --git a/migrations/2024-10-22-212759_create_playlist_tables/up.sql b/migrations/2024-10-22-212759_create_playlist_tables/up.sql
new file mode 100644
index 0000000..cf35cb8
--- /dev/null
+++ b/migrations/2024-10-22-212759_create_playlist_tables/up.sql
@@ -0,0 +1,17 @@
+CREATE TABLE playlists (
+    id SERIAL PRIMARY KEY,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    owner_id INTEGER REFERENCES users(id) ON DELETE CASCADE NOT NULL,
+    name TEXT NOT NULL
+);
+
+CREATE INDEX playlists_owner_idx ON playlists(owner_id);
+
+CREATE TABLE playlist_songs (
+    playlist_id INTEGER REFERENCES playlists(id) ON DELETE CASCADE NOT NULL,
+    song_id INTEGER REFERENCES songs(id) ON DELETE CASCADE NOT NULL,
+    PRIMARY KEY (playlist_id, song_id)
+);
+
+CREATE INDEX playlist_songs_playlist_idx ON playlist_songs(playlist_id);
diff --git a/src/schema.rs b/src/schema.rs
index 29401e7..31aebd6 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -39,6 +39,23 @@ diesel::table! {
     }
 }
 
+diesel::table! {
+    playlist_songs (playlist_id, song_id) {
+        playlist_id -> Int4,
+        song_id -> Int4,
+    }
+}
+
+diesel::table! {
+    playlists (id) {
+        id -> Int4,
+        created_at -> Timestamp,
+        updated_at -> Timestamp,
+        owner_id -> Int4,
+        name -> Text,
+    }
+}
+
 diesel::table! {
     song_artists (song_id, artist_id) {
         song_id -> Int4,
@@ -95,6 +112,9 @@ diesel::table! {
 
 diesel::joinable!(album_artists -> albums (album_id));
 diesel::joinable!(album_artists -> artists (artist_id));
+diesel::joinable!(playlist_songs -> playlists (playlist_id));
+diesel::joinable!(playlist_songs -> songs (song_id));
+diesel::joinable!(playlists -> users (owner_id));
 diesel::joinable!(song_artists -> artists (artist_id));
 diesel::joinable!(song_artists -> songs (song_id));
 diesel::joinable!(song_dislikes -> songs (song_id));
@@ -111,6 +131,8 @@ diesel::allow_tables_to_appear_in_same_query!(
     artists,
     friend_requests,
     friendships,
+    playlist_songs,
+    playlists,
     song_artists,
     song_dislikes,
     song_history,