refactor: bulk insert module

prisma/dbml/schema.dbml

@@ -169,10 +169,11 @@ Table user_watch_histories {
   episode episodes [not null]
   updated_at DateTime [not null]
   user_id String [not null]
-  episode_id String [not null]
+  episode_number Int [not null]
+  media_id String [not null]
 
   indexes {
-    (user_id, episode_id) [pk]
+    (user_id, episode_number, media_id) [pk]
   }
 }
 
@@ -254,6 +255,7 @@ Table medias {
   related_media media_relations [not null]
   updated_by_id String
   deleted_by_id String
+  episodes episodes [not null]
   home_media_banners home_media_banners [not null]
   saved_to_collections media_collections [not null]
 
@@ -507,9 +509,7 @@ Table staff {
 }
 
 Table episodes {
-  id String [pk]
-  media_id String [not null]
-  episode Int [not null]
+  episode_number Int [not null]
   mal_url String
   forum_url String
   title String [not null]
@@ -528,12 +528,18 @@ Table episodes {
   created_by_id String [not null]
   comments comments [not null]
   watch_histories user_watch_histories [not null]
+  media medias [not null]
+  media_id String [not null]
+
+  indexes {
+    (media_id, episode_number) [pk]
+  }
 }
 
 Table videos {
   id String [pk]
   service video_services [not null]
-  Episode episodes [not null]
+  episode episodes [not null]
   video_code String [not null]
   short_code String
   thumbnail_code String
@@ -541,7 +547,8 @@ Table videos {
   created_at DateTime [default: `now()`, not null]
   deleted_at DateTime
   updated_at DateTime [not null]
-  episode_id String [not null]
+  episode_number Int [not null]
+  media_id String [not null]
   created_by_id String [not null]
   video_submission video_submissions
 }
@@ -603,7 +610,8 @@ Table comments {
   updated_at DateTime [not null]
   deleted_at DateTime
   user_id String [not null]
-  episode_id String [not null]
+  episode_number Int [not null]
+  media_id String [not null]
   likes comment_likes [not null]
   audit_logs comment_audit_logs [not null]
   reports comment_reports [not null]
@@ -795,7 +803,7 @@ Ref: user_follows.following_id > users.id
 
 Ref: user_watch_histories.user_id > users.id
 
-Ref: user_watch_histories.episode_id > episodes.id
+Ref: user_watch_histories.(episode_number, media_id) > episodes.(episode_number, media_id)
 
 Ref: collection_members.collection_id > collections.id
 
@@ -877,7 +885,9 @@ Ref: voice_actors.(media_id, character_id) > media_characters.(media_id, charact
 
 Ref: episodes.created_by_id > users.id
 
-Ref: videos.episode_id > episodes.id
+Ref: episodes.media_id > medias.id
+
+Ref: videos.(episode_number, media_id) > episodes.(episode_number, media_id)
 
 Ref: video_submissions.created_by_id > users.id
 
@@ -893,7 +903,7 @@ Ref: video_service_submissions.video_service_id - video_services.id
 
 Ref: comments.user_id > users.id
 
-Ref: comments.episode_id > episodes.id
+Ref: comments.(episode_number, media_id) > episodes.(episode_number, media_id)
 
 Ref: comment_likes.user_id > users.id