refactor(db): migrate staff and app actions from Prisma facade to Drizzle

Co-authored-by: Cursor <[email protected]>

src/lib/services/send-currency.ts

@@ -1,3 +1,5 @@
+import { eq, sql } from "drizzle-orm";
+import { db, User, UsersCurrency } from "@/lib/db";
 import type { RconClient } from "@/lib/services/rcon";
 
 export type CurrencyName = "credits" | "duckets" | "diamonds" | "points";
@@ -25,6 +27,32 @@ export interface CurrencyDb {
 	};
 }
 
+/** Drizzle-backed CurrencyDb used by shop / voucher / referral (and callers). */
+export const currencyDb: CurrencyDb = {
+	user: {
+		async update({ where, data }) {
+			await db
+				.update(User)
+				.set({
+					credits: sql`${User.credits} + ${data.credits.increment}`,
+				})
+				.where(eq(User.id, where.id));
+		},
+	},
+	usersCurrency: {
+		async upsert({ update, create }) {
+			await db
+				.insert(UsersCurrency)
+				.values(create)
+				.onDuplicateKeyUpdate({
+					set: {
+						amount: sql`${UsersCurrency.amount} + ${update.amount.increment}`,
+					},
+				});
+		},
+	},
+};
+
 export interface SendCurrencyDeps {
 	rcon: Pick<
 		RconClient,