Add admin user api interfaces

server/middlewares/verifyUserIsServerAdmin.ts

@@ -0,0 +1,37 @@
+import { Request, Response, NextFunction } from "express";
+import createHttpError from "http-errors";
+import HttpCode from "@server/types/HttpCode";
+
+export async function verifyUserIsServerAdmin(
+    req: Request,
+    res: Response,
+    next: NextFunction
+) {
+    const userId = req.user!.userId;
+
+    if (!userId) {
+        return next(
+            createHttpError(HttpCode.UNAUTHORIZED, "User not authenticated")
+        );
+    }
+    
+    try {
+        if (!req.user?.serverAdmin) {
+            return next(
+                createHttpError(
+                    HttpCode.FORBIDDEN,
+                    "User is not a server admin"
+                )
+            );
+        }
+        
+        return next();
+    } catch (e) {
+        return next(
+            createHttpError(
+                HttpCode.INTERNAL_SERVER_ERROR,
+                "Error verifying organization access"
+            )
+        );
+    }
+}