Add replay batch endpoint

src/actions.ts

@@ -904,7 +904,14 @@ export const actions: {[k: string]: QueryHandler} = {
 		}
 		return {password: pw};
 	},
-
+	async 'replays/batch'(params) {
+		if (!params.ids) {
+			throw new ActionError("Invalid batch replay request, must provide ids");
+		}
+		const ids = params.ids.split(',');
+		if (ids.length > 51) throw new ActionError(`Limit 51 IDs (you have ${ids.length}).`);
+		return Replays.getBatch(ids);
+	},
 	// sent by ps server
 	async 'smogon/validate'(params) {
 		if (this.getIp() !== Config.restartip) {

src/replays.ts

@@ -233,6 +233,10 @@ export const Replays = new class {
 			SQL`uploadtime, id, format, players, rating`
 		)`WHERE private = 0 ORDER BY uploadtime DESC LIMIT 51`.then(this.toReplays);
 	}
+
+	getBatch(ids: string[]) {
+		return replays.selectAll()`WHERE private = 0 AND id IN (${ids}) LIMIT 51`.then(this.toReplays);
+	} 
 };
 
 export default Replays;