Created get Poll data route

backend/src/services/poll.service.js

@@ -1,5 +1,5 @@
 import mongoose from "mongoose";
-import { createPollByData } from "../repositories/poll.repo.js";
+import { createPollByData, findPollById } from "../repositories/poll.repo.js";
 
 export async function createPollService(title, description, options, userId) {
     try {
@@ -20,4 +20,22 @@ export async function createPollService(title, description, options, userId) {
     catch(err){
         throw err;
     }
+}
+
+export async function getPollDataService(pollId) {
+    try {
+        const poll = await findPollById(pollId);
+        if (!poll) {
+            throw {
+                statusCode: 404,
+                message: "Poll not found"
+            }
+        }
+        const {creatorId, ...pollData} = poll._doc;
+        const {username, _id, ...creatorData} = creatorId._doc;
+        return {pollData, creatorData : {username, _id}};
+    }
+    catch(err){
+        throw err;
+    }
 }