feat: 支持稍后再看的扫描与下载 (#131)

* 暂存

* 写点

* feat: 支持稍后再看

* chore: 干掉 print

crates/bili_sync_migration/src/lib.rs

@@ -2,6 +2,7 @@ pub use sea_orm_migration::prelude::*;
 
 mod m20240322_000001_create_table;
 mod m20240505_130850_add_collection;
+mod m20240709_130914_watch_later;
 
 pub struct Migrator;
 
@@ -11,6 +12,7 @@ impl MigratorTrait for Migrator {
         vec![
             Box::new(m20240322_000001_create_table::Migration),
             Box::new(m20240505_130850_add_collection::Migration),
+            Box::new(m20240709_130914_watch_later::Migration),
         ]
     }
 }

crates/bili_sync_migration/src/m20240709_130914_watch_later.rs

@@ -0,0 +1,88 @@
+use sea_orm_migration::prelude::*;
+
+#[derive(DeriveMigrationName)]
+pub struct Migration;
+
+#[async_trait::async_trait]
+impl MigrationTrait for Migration {
+    async fn up(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let db = manager.get_connection();
+        manager
+            .create_table(
+                Table::create()
+                    .table(WatchLater::Table)
+                    .if_not_exists()
+                    .col(
+                        ColumnDef::new(WatchLater::Id)
+                            .unsigned()
+                            .not_null()
+                            .auto_increment()
+                            .primary_key(),
+                    )
+                    .col(ColumnDef::new(WatchLater::Path).string().not_null())
+                    .col(
+                        ColumnDef::new(WatchLater::CreatedAt)
+                            .timestamp()
+                            .default(Expr::current_timestamp())
+                            .not_null(),
+                    )
+                    .to_owned(),
+            )
+            .await?;
+        manager
+            .drop_index(
+                Index::drop()
+                    .table(Video::Table)
+                    .name("idx_video_cid_fid_bvid")
+                    .to_owned(),
+            )
+            .await?;
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Video::Table)
+                    .add_column(ColumnDef::new(Video::WatchLaterId).unsigned().null())
+                    .to_owned(),
+            )
+            .await?;
+        db.execute_unprepared("CREATE UNIQUE INDEX `idx_video_unique` ON `video` (ifnull(`collection_id`, -1), ifnull(`favorite_id`, -1), ifnull(`watch_later_id`, -1), `bvid`)")
+            .await?;
+        Ok(())
+    }
+
+    async fn down(&self, manager: &SchemaManager) -> Result<(), DbErr> {
+        let db = manager.get_connection();
+        manager
+            .drop_index(Index::drop().table(Video::Table).name("idx_video_unique").to_owned())
+            .await?;
+        db.execute_unprepared("DELETE FROM video WHERE watch_later_id IS NOT NULL")
+            .await?;
+        manager
+            .alter_table(
+                Table::alter()
+                    .table(Video::Table)
+                    .drop_column(Video::WatchLaterId)
+                    .to_owned(),
+            )
+            .await?;
+        db.execute_unprepared("CREATE UNIQUE INDEX `idx_video_cid_fid_bvid` ON `video` (ifnull(`collection_id`, -1), ifnull(`favorite_id`, -1), `bvid`)")
+            .await?;
+        manager
+            .drop_table(Table::drop().table(WatchLater::Table).to_owned())
+            .await
+    }
+}
+
+#[derive(DeriveIden)]
+enum WatchLater {
+    Table,
+    Id,
+    Path,
+    CreatedAt,
+}
+
+#[derive(DeriveIden)]
+enum Video {
+    Table,
+    WatchLaterId,
+}