p2p poll logic added

2026-03-19 10:52:12 +01:00
parent 68797053ac
commit 5415741940
14 changed files with 6947 additions and 73 deletions
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
 # P2P Poll App
+Remove-Item -Recurse -Force node_modules, .next
--- a/app/layout.tsx
+++ b/app/layout.tsx
@@ -1,20 +1,12 @@
 import type { Metadata } from "next";
-import { Geist, Geist_Mono } from "next/font/google";
+
 import "./globals.css";

-const geistSans = Geist({
-  variable: "--font-geist-sans",
-  subsets: ["latin"],
-});

-const geistMono = Geist_Mono({
-  variable: "--font-geist-mono",
-  subsets: ["latin"],
-});

 export const metadata: Metadata = {
-  title: "Create Next App",
-  description: "Generated by create next app",
+  title: "p2p polling",
+  description: "creating a p2p-polling app",
 };

 export default function RootLayout({
@@ -25,7 +17,7 @@ export default function RootLayout({
  return (
    <html
      lang="en"
-      className={`${geistSans.variable} ${geistMono.variable} h-full antialiased`}
+      className={` h-full antialiased`}
    >
      <body className="min-h-full flex flex-col">{children}</body>
    </html>
--- a/app/page.tsx
+++ b/app/page.tsx
@@ -1,65 +1,47 @@
-import Image from "next/image";
+"use client";
+
+import { useState } from "react";
+import usePeerManager from "../hooks/usePeerManager";
+import usePollManager from "../hooks/usePollManager";
+import PollCreation from "../components/PollCreation";
+import PollActive from "../components/PollActive";
+import PeersList from "../components/PeersList";
+
+export default function Page() {
+  const peerManager = usePeerManager();
+  const pollManager = usePollManager(peerManager);
+
+  const [connectId, setConnectId] = useState("");

-export default function Home() {
  return (
-    <div className="flex flex-col flex-1 items-center justify-center bg-zinc-50 font-sans dark:bg-black">
-      <main className="flex flex-1 w-full max-w-3xl flex-col items-center justify-between py-32 px-16 bg-white dark:bg-black sm:items-start">
-        <Image
-          className="dark:invert"
-          src="/next.svg"
-          alt="Next.js logo"
-          width={100}
-          height={20}
-          priority
+    <div className="p-6 space-y-4">
+      <h1 className="text-2xl font-bold">P2P Poll App</h1>
+
+      {/* Connect */}
+      <div className="flex gap-2">
+        <input
+          className="border p-2"
+          placeholder="Peer ID"
+          value={connectId}
+          onChange={(e) => setConnectId(e.target.value)}
        />
-        <div className="flex flex-col items-center gap-6 text-center sm:items-start sm:text-left">
-          <h1 className="max-w-xs text-3xl font-semibold leading-10 tracking-tight text-black dark:text-zinc-50">
-            To get started, edit the page.tsx file.
-          </h1>
-          <p className="max-w-md text-lg leading-8 text-zinc-600 dark:text-zinc-400">
-            Looking for a starting point or more instructions? Head over to{" "}
-            <a
-              href="https://vercel.com/templates?framework=next.js&utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
+        <button
+          className="bg-blue-500 text-white px-4"
+          onClick={() => peerManager.connectToPeer(connectId)}
        >
-              Templates
-            </a>{" "}
-            or the{" "}
-            <a
-              href="https://nextjs.org/learn?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-              className="font-medium text-zinc-950 dark:text-zinc-50"
-            >
-              Learning
-            </a>{" "}
-            center.
-          </p>
+          Connect
+        </button>
      </div>
-        <div className="flex flex-col gap-4 text-base font-medium sm:flex-row">
-          <a
-            className="flex h-12 w-full items-center justify-center gap-2 rounded-full bg-foreground px-5 text-background transition-colors hover:bg-[#383838] dark:hover:bg-[#ccc] md:w-[158px]"
-            href="https://vercel.com/new?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            <Image
-              className="dark:invert"
-              src="/vercel.svg"
-              alt="Vercel logomark"
-              width={16}
-              height={16}
-            />
-            Deploy Now
-          </a>
-          <a
-            className="flex h-12 w-full items-center justify-center rounded-full border border-solid border-black/[.08] px-5 transition-colors hover:border-transparent hover:bg-black/[.04] dark:border-white/[.145] dark:hover:bg-[#1a1a1a] md:w-[158px]"
-            href="https://nextjs.org/docs?utm_source=create-next-app&utm_medium=appdir-template-tw&utm_campaign=create-next-app"
-            target="_blank"
-            rel="noopener noreferrer"
-          >
-            Documentation
-          </a>
-        </div>
-      </main>
+
+      <p>Your ID: {peerManager.peerId}</p>
+
+      {pollManager.poll ? (
+        <PollActive pollManager={pollManager} peerId={peerManager.peerId} />
+      ) : (
+        <PollCreation pollManager={pollManager} />
+      )}
+
+      <PeersList peers={peerManager.peers} />
    </div>
  );
 }
--- a/components/Modal.tsx
+++ b/components/Modal.tsx
--- a/components/Notification.tsx
+++ b/components/Notification.tsx
@@ -0,0 +1,22 @@
+"use client";
+
+type NotificationType = "info" | "success" | "error";
+
+interface NotificationProps {
+  message: string;
+  type?: NotificationType;
+}
+
+export default function Notification({ message, type = "info" }: NotificationProps) {
+  const colors: Record<NotificationType, string> = {
+    info: "bg-blue-100 text-blue-700",
+    success: "bg-green-100 text-green-700",
+    error: "bg-red-100 text-red-700",
+  };
+
+  return (
+    <div className={`px-4 py-2 rounded shadow ${colors[type]}`}>
+      {message}
+    </div>
+  );
+}
--- a/components/PeersList.tsx
+++ b/components/PeersList.tsx
@@ -0,0 +1,14 @@
+"use client";
+
+export default function PeersList({ peers }: { peers: string[] }) {
+  return (
+    <div>
+      <h3>Peers</h3>
+      {peers.length === 0 ? (
+        <p>No peers</p>
+      ) : (
+        peers.map((p) => <div key={p}>{p}</div>)
+      )}
+    </div>
+  );
+}
--- a/components/PollActive.tsx
+++ b/components/PollActive.tsx
@@ -0,0 +1,22 @@
+"use client";
+
+import PollOption from "./PollOption";
+
+export default function PollActive({ pollManager, peerId }: any) {
+  const poll = pollManager.poll;
+
+  return (
+    <div>
+      <h2 className="text-xl font-bold">{poll.question}</h2>
+
+      {poll.options.map((opt: any) => (
+        <PollOption
+          key={opt.id}
+          option={opt}
+          pollManager={pollManager}
+          peerId={peerId}
+        />
+      ))}
+    </div>
+  );
+}
--- a/components/PollCreation.tsx
+++ b/components/PollCreation.tsx
@@ -0,0 +1,40 @@
+"use client";
+
+import { useState } from "react";
+
+export default function PollCreation({ pollManager }: any) {
+  const [question, setQuestion] = useState("");
+  const [options, setOptions] = useState<string[]>(["", ""]);
+
+  return (
+    <div>
+      <input
+        className="border p-2 w-full"
+        placeholder="Question"
+        value={question}
+        onChange={(e) => setQuestion(e.target.value)}
+      />
+
+      {options.map((opt, i) => (
+        <input
+          key={i}
+          className="border p-2 w-full mt-2"
+          placeholder={`Option ${i + 1}`}
+          value={opt}
+          onChange={(e) => {
+            const newOpts = [...options];
+            newOpts[i] = e.target.value;
+            setOptions(newOpts);
+          }}
+        />
+      ))}
+
+      <button
+        className="bg-green-500 text-white px-4 mt-2"
+        onClick={() => pollManager.createPoll(question, options)}
+      >
+        Create Poll
+      </button>
+    </div>
+  );
+}
--- a/components/PollOption.tsx
+++ b/components/PollOption.tsx
@@ -0,0 +1,12 @@
+"use client";
+
+export default function PollOption({ option, pollManager, peerId }: any) {
+  return (
+    <div
+      className="border p-2 mt-2 cursor-pointer"
+      onClick={() => pollManager.vote(option.id, peerId)}
+    >
+      {option.text} - {option.votes} votes
+    </div>
+  );
+}
--- a/hooks/usePeerManager.ts
+++ b/hooks/usePeerManager.ts
@@ -0,0 +1,58 @@
+"use client";
+
+import { useEffect, useRef, useState } from "react";
+import Peer from "peerjs";
+
+export default function usePeerManager() {
+  const [peerId, setPeerId] = useState<string | null>(null);
+  const [peers, setPeers] = useState<string[]>([]);
+  const peerRef = useRef<Peer | null>(null);
+  const connectionsRef = useRef<Map<string, any>>(new Map());
+
+  useEffect(() => {
+    const peer = new Peer();
+    peerRef.current = peer;
+
+    peer.on("open", (id) => {
+      setPeerId(id);
+    });
+
+    peer.on("connection", (conn) => {
+      conn.on("open", () => {
+        connectionsRef.current.set(conn.peer, conn);
+        setPeers(Array.from(connectionsRef.current.keys()));
+      });
+
+      conn.on("data", (data) => {
+        console.log("Received:", data);
+      });
+
+      conn.on("close", () => {
+        connectionsRef.current.delete(conn.peer);
+        setPeers(Array.from(connectionsRef.current.keys()));
+      });
+    });
+
+    return () => {
+      peer.destroy();
+    };
+  }, []);
+
+  const connectToPeer = (id: string) => {
+    if (!peerRef.current) return;
+    const conn = peerRef.current.connect(id);
+
+    conn.on("open", () => {
+      connectionsRef.current.set(conn.peer, conn);
+      setPeers(Array.from(connectionsRef.current.keys()));
+    });
+  };
+
+  const broadcast = (data: any) => {
+    connectionsRef.current.forEach((conn) => {
+      if (conn.open) conn.send(data);
+    });
+  };
+
+  return { peerId, peers, connectToPeer, broadcast };
+}
--- a/hooks/usePollManager.ts
+++ b/hooks/usePollManager.ts
@@ -0,0 +1,68 @@
+"use client";
+
+import { useState } from "react";
+
+type Option = {
+  id: string;
+  text: string;
+  votes: number;
+  voters: string[];
+};
+
+type Poll = {
+  id: string;
+  question: string;
+  options: Option[];
+};
+
+export default function usePollManager(peerManager: any) {
+  const [poll, setPoll] = useState<Poll | null>(null);
+  const [myVote, setMyVote] = useState<string | null>(null);
+
+  const createPoll = (question: string, options: string[]) => {
+    const newPoll: Poll = {
+      id: Date.now().toString(),
+      question,
+      options: options.map((opt, i) => ({
+        id: `opt-${i}`,
+        text: opt,
+        votes: 0,
+        voters: [],
+      })),
+    };
+
+    setPoll(newPoll);
+    peerManager.broadcast({ type: "poll", poll: newPoll });
+  };
+
+  const vote = (optionId: string, peerId: string) => {
+    if (!poll) return;
+
+    const updated = { ...poll };
+
+    updated.options.forEach((opt) => {
+      const index = opt.voters.indexOf(peerId);
+      if (index !== -1) {
+        opt.voters.splice(index, 1);
+        opt.votes--;
+      }
+    });
+
+    const option = updated.options.find((o) => o.id === optionId);
+    if (!option) return;
+
+    option.votes++;
+    option.voters.push(peerId);
+
+    setPoll(updated);
+    setMyVote(optionId);
+
+    peerManager.broadcast({
+      type: "vote",
+      optionId,
+      voterId: peerId,
+    });
+  };
+
+  return { poll, createPoll, vote, myVote };
+}
--- a/next.config.ts
+++ b/next.config.ts
@@ -1,7 +1,9 @@
 import type { NextConfig } from "next";

 const nextConfig: NextConfig = {
-  /* config options here */
+  experimental: {
+    turbopackFileSystemCacheForDev: true,
+  }
 };

 export default nextConfig;
--- a/package-lock.json
+++ b/package-lock.json
--- a/package.json
+++ b/package.json
@@ -10,6 +10,7 @@
  },
  "dependencies": {
    "next": "16.2.0",
+    "peerjs": "^1.5.5",
    "react": "19.2.4",
    "react-dom": "19.2.4"
  },