[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"academy-blogs-th-1-1-all-do-not-disturb-websocket-chat-all--*":3,"academy-blog-translations-44cnqqbaf4uf842":99},{"data":4,"page":87,"perPage":87,"totalItems":87,"totalPages":87},[5],{"alt":6,"collectionId":7,"collectionName":8,"content":9,"cover_image":10,"cover_image_path":11,"created":12,"created_by":13,"expand":14,"id":93,"keywords":94,"locale":69,"published_at":95,"scheduled_at":13,"school_blog":91,"short_description":96,"slug":97,"status":89,"title":6,"updated":98,"updated_by":13,"views":92},"EP.47 การเพิ่มฟีเจอร์โหมดห้ามรบกวน (Do Not Disturb Mode) ใน WebSocket Chat","sclblg987654321","school_blog_translations","\u003Ch3 data-pm-slice=\"1 1 []\">\u003Cspan>\u003Cstrong>ทำไมต้องมีโหมดห้ามรบกวน?\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Cp>\u003Cspan>โหมด \u003Cstrong>Do Not Disturb (DND)\u003C\u002Fstrong> ช่วยให้ผู้ใช้สามารถ \u003Cstrong>ปิดเสียงแจ้งเตือนและป้องกันการรบกวน\u003C\u002Fstrong> ในช่วงเวลาที่ต้องการ เช่น:\u003C\u002Fspan>\u003C\u002Fp>\u003Cul data-spread=\"false\">\u003Cli>\u003Cspan>ระหว่างประชุมหรือทำงานสำคัญ\u003C\u002Fspan>\u003C\u002Fli>\u003Cli>\u003Cspan>ขณะพักผ่อนและไม่ต้องการรับข้อความ\u003C\u002Fspan>\u003C\u002Fli>\u003Cli>\u003Cspan>ปิดกั้นข้อความแจ้งเตือนจากบางคนหรือทุกคน\u003C\u002Fspan>\u003C\u002Fli>\u003C\u002Ful>\u003Cp>\u003Cspan>การมี \u003Cstrong>DND Mode\u003C\u002Fstrong> จะช่วยให้แอปพลิเคชันแชทสามารถ \u003Cstrong>เพิ่มความยืดหยุ่นในการใช้งาน\u003C\u002Fstrong> และ \u003Cstrong>ทำให้ประสบการณ์การใช้งานดีขึ้น\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fp>\u003Ch3>\u003Cspan>\u003Cstrong>โครงสร้างของระบบโหมดห้ามรบกวนใน WebSocket Chat\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Col data-spread=\"false\">\u003Cli>\u003Cspan>\u003Cstrong>WebSocket Server\u003C\u002Fstrong> - จัดการสถานะ DND ของผู้ใช้และไม่ส่งการแจ้งเตือนเมื่อเปิดใช้งาน\u003C\u002Fspan>\u003C\u002Fli>\u003Cli>\u003Cspan>\u003Cstrong>Frontend (Client-Side)\u003C\u002Fstrong> - ให้ผู้ใช้เลือกเปิด\u002Fปิดโหมด DND\u003C\u002Fspan>\u003C\u002Fli>\u003Cli>\u003Cspan>\u003Cstrong>Database (Optional)\u003C\u002Fstrong> - บันทึกสถานะ DND ของผู้ใช้เพื่อให้คงอยู่แม้รีเฟรชหน้าเว็บ\u003C\u002Fspan>\u003C\u002Fli>\u003C\u002Fol>\u003Ch3>\u003Cspan>\u003Cstrong>การเพิ่มฟีเจอร์ Do Not Disturb Mode ใน WebSocket Server\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Ch4>\u003Cspan>\u003Cstrong>1. อัปเกรด WebSocket Server ให้รองรับโหมด DND\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh4>\u003Cp>\u003Cspan>ไฟล์ \u003C\u002Fspan>\u003Ccode>\u003Cspan>websocket_server.go\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\">package main\n\nimport (\n    \"encoding\u002Fjson\"\n    \"fmt\"\n    \"net\u002Fhttp\"\n    \"sync\"\n\n    \"github.com\u002Fgorilla\u002Fwebsocket\"\n)\n\ntype UserDND struct {\n    Username string `json:\"username\"`\n    DND      bool   `json:\"dnd\"`\n}\n\nvar upgrader = websocket.Upgrader{\n    CheckOrigin: func(r *http.Request) bool { return true },\n}\n\nvar (\n    clients   = make(map[*websocket.Conn]string)\n    userDND   = make(map[string]bool)\n    broadcast = make(chan UserDND)\n    mu        sync.Mutex\n)\n\nfunc handleConnections(w http.ResponseWriter, r *http.Request) {\n    conn, _ := upgrader.Upgrade(w, r, nil)\n    defer conn.Close()\n    \n    var username string = r.URL.Query().Get(\"username\")\n    \n    mu.Lock()\n    clients[conn] = username\n    userDND[username] = false\n    mu.Unlock()\n    \n    for {\n        var dndStatus UserDND\n        err := conn.ReadJSON(&dndStatus)\n        if err != nil {\n            mu.Lock()\n            delete(clients, conn)\n            delete(userDND, username)\n            mu.Unlock()\n            break\n        }\n        \n        mu.Lock()\n        userDND[dndStatus.Username] = dndStatus.DND\n        mu.Unlock()\n        broadcast <- dndStatus\n    }\n}\n\nfunc handleMessages() {\n    for {\n        dndStatus := <-broadcast\n        fmt.Printf(\"User %s changed DND status to: %v\\n\", dndStatus.Username, dndStatus.DND)\n        \n        for client := range clients {\n            err := client.WriteJSON(dndStatus)\n            if err != nil {\n                client.Close()\n                mu.Lock()\n                delete(clients, client)\n                mu.Unlock()\n            }\n        }\n    }\n}\n\nfunc main() {\n    http.HandleFunc(\"\u002Fws\", handleConnections)\n    go handleMessages()\n    fmt.Println(\"WebSocket Server Running on Port 8080\")\n    http.ListenAndServe(\":8080\", nil)\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Ch3>\u003Cspan>\u003Cstrong>2. การเพิ่มฟังก์ชัน Do Not Disturb Mode ใน Frontend (Client-Side)\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Cp>\u003Cspan>ไฟล์ \u003C\u002Fspan>\u003Ccode>\u003Cspan>client.js\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\">const username = prompt(\"Enter your username:\");\nconst socket = new WebSocket(`ws:\u002F\u002Flocalhost:8080\u002Fws?username=${username}`);\nconst dndToggle = document.getElementById(\"dnd-toggle\");\nconst dndStatusDisplay = document.getElementById(\"dnd-status-display\");\n\nsocket.onmessage = (event) => {\n    const data = JSON.parse(event.data);\n    updateDNDStatus(data.username, data.dnd);\n};\n\nfunction updateDNDStatus(username, dnd) {\n    const statusElement = document.createElement(\"p\");\n    statusElement.innerText = `${username} is now ${dnd ? \"in DND Mode\" : \"available\"}`;\n    dndStatusDisplay.appendChild(statusElement);\n}\n\nfunction toggleDND() {\n    const isDND = dndToggle.checked;\n    socket.send(JSON.stringify({ username, dnd: isDND }));\n}\u003C\u002Fcode>\u003C\u002Fpre>\u003Ch3>\u003Cspan>\u003Cstrong>การแสดง Do Not Disturb Mode บน UI\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Cp>\u003Cspan>ไฟล์ \u003C\u002Fspan>\u003Ccode>\u003Cspan>index.html\u003C\u002Fspan>\u003C\u002Fcode>\u003C\u002Fp>\u003Cpre>\u003Ccode class=\"language-plaintext\"><label>\n    <input type=\"checkbox\" id=\"dnd-toggle\" onchange=\"toggleDND()\"> เปิดโหมดห้ามรบกวน (DND)\n<\u002Flabel>\n<div id=\"dnd-status-display\"><\u002Fdiv>\u003C\u002Fcode>\u003C\u002Fpre>\u003Ch3>\u003Cspan>\u003Cstrong>3. การทดสอบระบบ\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Col data-spread=\"false\">\u003Cli>\u003Cspan>\u003Cstrong>รัน WebSocket Server\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fli>\u003C\u002Fol>\u003Cpre>\u003Ccode class=\"language-plaintext\">go run websocket_server.go\u003C\u002Fcode>\u003C\u002Fpre>\u003Col data-spread=\"false\" start=\"2\">\u003Cli>\u003Cspan>\u003Cstrong>เปิดหน้าเว็บหลายแท็บและตั้งค่าชื่อผู้ใช้\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fli>\u003Cli>\u003Cspan>\u003Cstrong>เปิด\u002Fปิดโหมด DND และดูผลลัพธ์ที่ UI และ WebSocket Server\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fli>\u003C\u002Fol>\u003Ch3>\u003Cspan>\u003Cstrong>ท้าให้ลอง!\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Cp>\u003Cspan>ลองเพิ่ม \u003Cstrong>การกำหนดช่วงเวลาห้ามรบกวน (Scheduled DND Mode)\u003C\u002Fstrong> เพื่อให้ผู้ใช้สามารถตั้งเวลาเปิด\u002Fปิดโหมดนี้อัตโนมัติ\u003C\u002Fspan>\u003C\u002Fp>\u003Chr>\u003Ch3>\u003Cspan>\u003Cstrong>EP ถัดไป\u003C\u002Fstrong>\u003C\u002Fspan>\u003C\u002Fh3>\u003Cp>\u003Cspan>ใน \u003Cstrong>EP.48\u003C\u002Fstrong>, เราจะเพิ่ม \u003Cstrong>ฟีเจอร์ระบบแสดงประวัติการแชทย้อนหลังใน WebSocket Chat\u003C\u002Fstrong> 🚀\u003C\u002Fspan>\u003C\u002Fp>","65akfo46m73z_q8edvugcfk.webp","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclblg987654321\u002Fl39f1av7k1eizbh\u002F65akfo46m73z_q8edvugcfk.webp","2026-03-04 08:50:54.947Z","",{"keywords":15,"locale":63,"school_blog":73},[16,23,28,33,38,43,48,53,58],{"collectionId":17,"collectionName":18,"created":19,"created_by":13,"id":20,"name":21,"updated":22,"updated_by":13},"sclkey987654321","school_keywords","2026-03-04 08:50:53.623Z","k6w6fyr98usbg2e","Chat Notifications","2026-04-10 16:14:29.576Z",{"collectionId":17,"collectionName":18,"created":24,"created_by":13,"id":25,"name":26,"updated":27,"updated_by":13},"2026-03-04 08:50:49.558Z","8lxakhujb04wz6u","Chat UX","2026-04-10 16:14:28.724Z",{"collectionId":17,"collectionName":18,"created":29,"created_by":13,"id":30,"name":31,"updated":32,"updated_by":13},"2026-03-04 08:50:53.943Z","fq0pc95e767vuu8","DND Mode","2026-04-10 16:14:29.674Z",{"collectionId":17,"collectionName":18,"created":34,"created_by":13,"id":35,"name":36,"updated":37,"updated_by":13},"2026-03-04 08:48:07.088Z","brfbypclggbbkcx","WebSocket API","2026-04-10 16:13:40.594Z",{"collectionId":17,"collectionName":18,"created":39,"created_by":13,"id":40,"name":41,"updated":42,"updated_by":13},"2026-03-04 08:47:05.949Z","caufix9o52uw4bh","Real-Time Chat","2026-04-10 16:13:23.517Z",{"collectionId":17,"collectionName":18,"created":44,"created_by":13,"id":45,"name":46,"updated":47,"updated_by":13},"2026-03-04 08:20:14.253Z","ah6lvy4x8qe08l5","Golang","2026-04-10 16:07:26.172Z",{"collectionId":17,"collectionName":18,"created":49,"created_by":13,"id":50,"name":51,"updated":52,"updated_by":13},"2026-03-04 08:20:11.547Z","ey3puyme01a9bsw","Go","2026-04-10 16:07:25.893Z",{"collectionId":17,"collectionName":18,"created":54,"created_by":13,"id":55,"name":56,"updated":57,"updated_by":13},"2026-03-04 08:34:00.920Z","ecac9y661or1xka","WebSocket","2026-04-10 16:08:05.227Z",{"collectionId":17,"collectionName":18,"created":59,"created_by":13,"id":60,"name":61,"updated":62,"updated_by":13},"2026-03-04 08:50:54.150Z","z33apwtejt9t7zn","Do Not Disturb","2026-04-10 16:14:29.832Z",{"code":64,"collectionId":65,"collectionName":66,"created":67,"flag":68,"id":69,"is_default":70,"label":71,"updated":72},"th","pbc_1989393366","locales","2026-01-22 10:59:55.832Z","twemoji:flag-thailand","s8wri3bt4vgg2ji",true,"Thai","2026-04-10 15:42:46.614Z",{"category":74,"collectionId":75,"collectionName":76,"expand":77,"id":91,"views":92},"wqxt7ag2gn7xcmk","pbc_2105096300","school_blogs",{"category":78},{"blogIds":79,"collectionId":80,"collectionName":81,"created":82,"created_by":13,"id":74,"image":83,"image_alt":13,"image_path":84,"label":85,"name":86,"priority":87,"publish_at":88,"scheduled_at":13,"status":89,"updated":90,"updated_by":13},[],"sclcatblg987654321","school_category_blogs","2026-03-04 08:33:53.210Z","59ty92ns80w_15oc1implw.png","https:\u002F\u002Ftwsme-r2.tumwebsme.com\u002Fsclcatblg987654321\u002Fwqxt7ag2gn7xcmk\u002F59ty92ns80w_15oc1implw.png",{"en":86,"th":86},"Golang The Series",1,"2026-03-16 04:39:38.440Z","published","2026-04-25 02:32:15.470Z","44cnqqbaf4uf842",229,"l39f1av7k1eizbh",[20,25,30,35,40,45,50,55,60],"2025-03-24 01:52:08.698Z","เรียนรู้วิธีเพิ่ม โหมดห้ามรบกวน (Do Not Disturb Mode - DND) ใน WebSocket Chat เพื่อให้ผู้ใช้สามารถปิดการแจ้งเตือนชั่วคราว และไม่รับข้อความแจ้งเตือนระหว่างที่โหมดนี้เปิดใช้งาน","do-not-disturb-websocket-chat","2026-04-22 07:11:41.355Z",{"th":97}]