add supporer key program

server/routers/supporterKey/isSupporterKeyVisible.ts

@@ -0,0 +1,54 @@
+import { Request, Response, NextFunction } from "express";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import { response as sendResponse } from "@server/lib";
+import config from "@server/lib/config";
+import db from "@server/db";
+import { count } from "drizzle-orm";
+import { users } from "@server/db/schema";
+
+export type IsSupporterKeyVisibleResponse = {
+    visible: boolean;
+};
+
+const USER_LIMIT = 5;
+
+export async function isSupporterKeyVisible(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const hidden = config.isSupporterKeyHidden();
+        const key = config.getSupporterData();
+
+        let visible = !hidden && key?.valid !== true;
+
+        if (key?.tier === "Limited Supporter") {
+            const [numUsers] = await db.select({ count: count() }).from(users);
+
+            if (numUsers.count > USER_LIMIT) {
+                visible = true;
+            }
+        }
+
+        logger.debug(`Supporter key visible: ${visible}`);
+        logger.debug(JSON.stringify(key));
+
+        return sendResponse<IsSupporterKeyVisibleResponse>(res, {
+            data: {
+                visible
+            },
+            success: true,
+            error: false,
+            message: "Status",
+            status: HttpCode.OK
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(HttpCode.INTERNAL_SERVER_ERROR, "An error occurred")
+        );
+    }
+}