Throw away flix files in favor of a flix database

crates/db/src/migration/m_000004/seasons.rs

@@ -0,0 +1,54 @@
+use sea_orm::DbErr;
+use sea_orm::{ConnectionTrait, DbBackend, Statement};
+use sea_orm_migration::SchemaManager;
+
+pub async fn up(manager: &SchemaManager<'_>) -> Result<(), DbErr> {
+	manager
+		.get_connection()
+		.execute_raw(Statement::from_string(
+			DbBackend::Sqlite,
+			r#"
+				CREATE VIEW flix_watched_seasons AS
+				SELECT
+					w.show,
+					w.season,
+					w.user_id,
+					MAX(w.watched_date) AS watched_date
+				FROM flix_watched_episodes w
+				WHERE NOT EXISTS (
+					SELECT 1
+					FROM flix_episodes e
+					WHERE e.show = w.show
+					AND e.season = w.season
+					AND NOT EXISTS (
+						SELECT 1
+						FROM flix_watched_episodes wc
+						WHERE wc.show = e.show
+						AND wc.season = e.season
+						AND wc.episode = e.episode
+						AND wc.user_id = w.user_id
+					)
+				)
+				GROUP BY w.show, w.season, w.user_id
+				;
+			"#,
+		))
+		.await?;
+
+	Ok(())
+}
+
+pub async fn down(manager: &SchemaManager<'_>) -> Result<(), DbErr> {
+	manager
+		.get_connection()
+		.execute_raw(Statement::from_string(
+			DbBackend::Sqlite,
+			r#"
+				DROP VIEW flix_watched_seasons
+				;
+			"#,
+		))
+		.await?;
+
+	Ok(())
+}