set users on resource working

server/routers/resource/listResourceUsers.ts

@@ -0,0 +1,66 @@
+import { Request, Response, NextFunction } from "express";
+import { z } from "zod";
+import { db } from "@server/db";
+import { userResources, users } from "@server/db/schema"; // Assuming these are the correct tables
+import { eq } from "drizzle-orm";
+import response from "@server/utils/response";
+import HttpCode from "@server/types/HttpCode";
+import createHttpError from "http-errors";
+import logger from "@server/logger";
+import { fromError } from "zod-validation-error";
+
+const listResourceUsersSchema = z.object({
+    resourceId: z.string().transform(Number).pipe(z.number().int().positive()),
+});
+
+async function queryUsers(resourceId: number) {
+    return await db
+        .select({
+            userId: userResources.userId,
+            email: users.email,
+        })
+        .from(userResources)
+        .innerJoin(users, eq(userResources.userId, users.userId))
+        .where(eq(userResources.resourceId, resourceId));
+}
+
+export type ListResourceUsersResponse = {
+    users: NonNullable<Awaited<ReturnType<typeof queryUsers>>>;
+};
+
+export async function listResourceUsers(
+    req: Request,
+    res: Response,
+    next: NextFunction
+): Promise<any> {
+    try {
+        const parsedParams = listResourceUsersSchema.safeParse(req.params);
+        if (!parsedParams.success) {
+            return next(
+                createHttpError(
+                    HttpCode.BAD_REQUEST,
+                    fromError(parsedParams.error).toString()
+                )
+            );
+        }
+
+        const { resourceId } = parsedParams.data;
+
+        const resourceUsersList = await queryUsers(resourceId);
+
+        return response<ListResourceUsersResponse>(res, {
+            data: {
+                users: resourceUsersList,
+            },
+            success: true,
+            error: false,
+            message: "Resource users retrieved successfully",
+            status: HttpCode.OK,
+        });
+    } catch (error) {
+        logger.error(error);
+        return next(
+            createHttpError(HttpCode.INTERNAL_SERVER_ERROR, "An error occurred")
+        );
+    }
+}