multi channel chat demo

2015-05-14 19:29:20 +02:00
parent dce8735ee4
commit 4adcb388e6
7 changed files with 154 additions and 28 deletions
@@ -0,0 +1,53 @@
+<html>
+  <head>
+    <title>Melody example: chatting</title>
+  </head>
+
+  <style>
+    #chat {
+      text-align: left;
+      background: #f1f1f1;
+      width: 500px;
+      min-height: 300px;
+      padding: 20px;
+    }
+  </style>
+
+  <body>
+    <center>
+      <h3 id="name"></h3>
+      <pre id="chat"></pre>
+      <input placeholder="say something" id="text" type="text">
+    </center>
+
+    <script>
+      var url = "ws://" + window.location.host + window.location.pathname + "/ws";
+      var ws = new WebSocket(url);
+      var name = "Guest" + Math.floor(Math.random() * 1000);
+      var channelName = window.location.pathname.split("/")[2];
+
+      document.getElementById("name").innerText = "Channel: " + channelName;
+
+      var chat = document.getElementById("chat");
+      var text = document.getElementById("text");
+
+      var now = function () {
+        var iso = new Date().toISOString();
+        return iso.split("T")[1].split(".")[0];
+      };
+
+      ws.onmessage = function (msg) {
+        var line =  now() + " " + msg.data + "\n";
+        chat.innerText += line;
+      };
+
+      text.onkeydown = function (e) {
+        if (e.keyCode === 13 && text.value !== "") {
+          ws.send("<" + name + "> " + text.value);
+          text.value = "";
+        }
+      };
+
+    </script>
+  </body>
+</html>
@@ -0,0 +1,34 @@
+<html>
+  <head>
+    <title>Melody example: chatting</title>
+  </head>
+
+  <style>
+    #chat {
+      text-align: left;
+      background: #f1f1f1;
+      width: 500px;
+      min-height: 300px;
+      padding: 20px;
+    }
+  </style>
+
+  <body>
+    <center>
+      <h3>Join a channel</h3>
+      <input placeholder="channel" id="channel" type="text"><button id="join">Join</button>
+    </center>
+
+    <script>
+      var chan = document.getElementById("channel");
+      var join = document.getElementById("join");
+
+      join.onclick = function () {
+        if (chan.value != "") {
+          window.location = "/channel/" + chan.value;
+        }
+      };
+
+    </script>
+  </body>
+</html>
@@ -0,0 +1,32 @@
+package main
+
+import (
+	"../../"
+	"github.com/gin-gonic/gin"
+	"net/http"
+)
+
+func main() {
+	r := gin.Default()
+	m := melody.New()
+
+	r.GET("/", func(c *gin.Context) {
+		http.ServeFile(c.Writer, c.Request, "index.html")
+	})
+
+	r.GET("/channel/:name", func(c *gin.Context) {
+		http.ServeFile(c.Writer, c.Request, "chan.html")
+	})
+
+	r.GET("/channel/:name/ws", func(c *gin.Context) {
+		m.HandleRequest(c.Writer, c.Request)
+	})
+
+	m.HandleMessage(func(s *melody.Session, msg []byte) {
+		m.BroadcastFilter(msg, func(q *melody.Session) bool {
+			return q.Request.URL.Path == s.Request.URL.Path
+		})
+	})
+
+	r.Run(":5000")
+}