chuni: Correctly implement recent rating requests

src/chunithm/sql/userRecentRating.ts

@@ -0,0 +1,54 @@
+import sql from "sql-bricks-postgres";
+
+import { Id } from "../../model";
+import { UserDataItem } from "../model/userData";
+import { UserRecentRatingItem } from "../model/userRecentRating";
+import { UserRecentRatingRepository } from "../repo/userRecentRating";
+import { Transaction } from "../../sql";
+import { T, createSqlMapper } from "../../sql/util";
+
+const { readRow, writeRow, colNames } = createSqlMapper({
+  musicId: T.number,
+  difficultId: T.number,
+  romVersionCode: T.number,
+  score: T.number,
+});
+
+export class SqlUserRecentRatingRepository
+  implements UserRecentRatingRepository {
+  constructor(private readonly _txn: Transaction) {}
+
+  async load(profileId: Id<UserDataItem>): Promise<UserRecentRatingItem[]> {
+    const stmt = sql
+      .select("music_id", "difficult_id", "rom_version_code", "score")
+      .from("cm_user_recent_rating")
+      .where("profile_id", profileId)
+      .order("sort_order ASC");
+
+    const rows = await this._txn.fetchRows(stmt);
+
+    return rows.map(readRow);
+  }
+
+  save(
+    profileId: Id<UserDataItem>,
+    objs: UserRecentRatingItem[]
+  ): Promise<void> {
+    const stmt = sql
+      .insert(
+        "cm_user_recent_rating",
+        objs.map((obj, idx) => {
+          return {
+            id: this._txn.generateId(),
+            profile_id: profileId,
+            sort_order: idx + 1,
+            ...writeRow(obj),
+          };
+        })
+      )
+      .onConflict("profile_id", "sort_order")
+      .doUpdate(colNames);
+
+    return this._txn.modify(stmt);
+  }
+}