added poll stuff

.gitignore

@@ -5,6 +5,7 @@ api.http
 
 # dependencies
 node_modules
+*/node_modules
 /.pnp
 .pnp.js
 

client-admin/src/app/PollingApp/Vote.jsx

@@ -6,8 +6,13 @@ import ScalerCampusBanner from "../../components/ScalerCampusBanner";
 export default function Vote() {
   let { pollId } = useParams();
   const [pollData, setPollData] = useState({
-    question: "Who can be the next Miss Freshers?",
-    options: ["Option 1", "Option 2", "Option 3", "Option 4"],
+    question: "If you are seeing this question, possibilities are that :-",
+    options: [
+      "Something in our backend is broken",
+      "Your internet connection is weak",
+      "You do not have access",
+      "Some other crazy shit has happened.",
+    ],
     acceptingResponses: true,
   });
   const [selectedOption, setSelectedOption] = useState(null);
@@ -30,6 +35,29 @@ export default function Vote() {
     fetchPollData();
   }, [pollId]);
 
+  const handleVoteSubmit = async () => {
+    if (!selectedOption) {
+      alert("Please select a option");
+      return;
+    }
+
+    try {
+      const res = await axios
+        .post(`${process.env.REACT_APP_API_URL}/api/v1/poll/vote/${pollId}`, {
+          option: selectedOption,
+          user: localStorage.getItem("email"),
+        })
+        .then((res) => {
+          return res.data;
+        });
+      const data = await res.data;
+    } catch (error) {
+      const errorData = await error.response;
+      alert(errorData.data.message);
+      return;
+    }
+  };
+
   const handleOptionClick = (option) => {
     setSelectedOption(option);
     console.log(`Selected option: ${option}`);
@@ -57,7 +85,10 @@ export default function Vote() {
                 {option}
               </button>
             ))}
-            <button className="md:w-[50%] bg-[#1a1a1a] text-white h-[8vh] rounded-md font-semibold">
+            <button
+              onClick={handleVoteSubmit}
+              className="md:w-[50%] bg-[#1a1a1a] text-white h-[8vh] rounded-md font-semibold"
+            >
               Submit Vote
             </button>
           </div>

node-server-auth/.env.example

@@ -6,4 +6,5 @@ PASSWORD_CHARSET=
 JWT_SECRET=
 JWT_EXPIRE=
 DATABASE_URL=
-MONGO_URI=
+MONGO_URI=
+MY_ORIGIN=

node-server-auth/src/app/app.ts

@@ -18,6 +18,7 @@ class App {
     connectToDB();
     this.app.use(cors());
     this.app.use(express.json());
+    this.app.use(express.urlencoded({ extended: true }));
     this.app.use(express.urlencoded({ extended: false }));
 
     new RoutesRegister(this.app);

node-server-auth/src/controllers/poll.controller.ts

@@ -35,14 +35,14 @@ class PollController {
     const { acceptingResponses } = req.body;
     delete req.body.acceptingResponses;
 
-    const {options} = req.body;
+    const { options } = req.body;
     if (!options) {
       return res.status(400).json({ message: "Options are required" });
     }
 
-    console.log('====================================');
+    console.log("====================================");
     console.log(options);
-    console.log('====================================');
+    console.log("====================================");
 
     const OptionT: OptionType = this.getOptionType(options);
 
@@ -72,9 +72,7 @@ class PollController {
     const { pollId } = req.params;
 
     if (!pollId) {
-      return res
-        .status(400)
-        .json({ message: "Poll ID is required" });
+      return res.status(400).json({ message: "Poll ID is required" });
     }
 
     try {
@@ -94,7 +92,7 @@ class PollController {
       // TODO: validate user
 
       console.log(poll.toObject().options);
-      
+
       console.log(poll.toObject().options[option]);
 
       if (poll.toObject().options[option] == undefined) {
@@ -103,6 +101,22 @@ class PollController {
           .json({ message: `Option "${option}" does not exist in this poll` });
       }
 
+      const userVoted = poll.toObject().options[option].includes(user);
+      if (userVoted) {
+        return res.status(400).json({
+          message: `User "${user}" has already voted for "${option}"`,
+        });
+      }
+
+      // check with other options
+      for (let [key, value] of Object.entries(poll.toObject().options)) {
+        if (value.includes(user)) {
+          return res.status(400).json({
+            message: `User "${user}" has already voted for "${key}"`,
+          });
+        }
+      }
+
       await PollModel.updateOne(
         { _id: pollId },
         {

node-server-auth/src/middlewares/checkOrigin.middleware.ts

@@ -0,0 +1,19 @@
+import { Request, Response, NextFunction } from "express";
+
+export default function checkOrigin(
+  req: Request,
+  res: Response,
+  next: NextFunction
+) {
+  const origin = req.get("origin");
+
+  console.log("====================================");
+  console.log("origin", origin);
+  console.log("====================================");
+
+  if (origin === process.env.MY_ORIGIN) {
+    next();
+  } else {
+    return res.status(403).json({ message: "Access denied: Invalid origin" });
+  }
+}

node-server-auth/src/routes/poll.route.ts

@@ -1,5 +1,6 @@
 import { Router } from "express";
 import PollController from "../controllers/poll.controller";
+import checkOrigin from "../middlewares/checkOrigin.middleware";
 
 class PollRoute {
   public router: Router;
@@ -11,10 +12,14 @@ class PollRoute {
   }
 
   routes() {
-    this.router.get("", this.pollcontroller.getAllPolls);
-    this.router.post("", this.pollcontroller.createPoll);
-    this.router.post("/vote/:pollId", this.pollcontroller.voteOnPoll);
-    this.router.get("/:pollId", this.pollcontroller.getResults);
+    this.router.get("", checkOrigin, this.pollcontroller.getAllPolls);
+    this.router.post("", checkOrigin, this.pollcontroller.createPoll);
+    this.router.post(
+      "/vote/:pollId",
+      checkOrigin,
+      this.pollcontroller.voteOnPoll
+    );
+    this.router.get("/:pollId", checkOrigin, this.pollcontroller.getResults);
   }
 }