feat: fetch media draft

ui/src/app/messages.tsx

@@ -24,6 +24,7 @@ export default function MessagesSection({
 }: Props) {
   const { client, isReady } = useWAClient();
   const [message, setMessage] = useState("");
+  const [isPending, setPending] = useState(false);
 
   const { data: contacts } = useQuery({
     queryKey: ["contacts"],
@@ -32,7 +33,7 @@ export default function MessagesSection({
   });
 
   const chatId = getId(chat.id);
-  const { data: messages } = useQuery({
+  const { data: messages, refetch } = useQuery({
     queryKey: ["messages", chatId],
     queryFn: () =>
       client.getMessages({ chatId, count: 50 }).then((res) =>
@@ -60,10 +61,33 @@ export default function MessagesSection({
       ?.reverse();
   }, [messages, contacts]);
 
-  function sendMessage() {
+  async function sendMessage() {
     const text = message.trim();
     if (!text) return;
+
+    try {
+      setPending(true);
+      await client.sendText({ chatId, text, options: { waitForAck: true } });
+      setTimeout(refetch, 100);
       setMessage("");
+    } catch (err) {
+      alert((err as Error).message);
+    } finally {
+      setPending(false);
+    }
+  }
+
+  async function fetchMedia(msgId: string) {
+    const data = await client.getMedia(msgId);
+    // decode from base64
+    const blob = await fetch(data).then((res) => res.blob());
+    // download
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement("a");
+    a.href = url;
+    a.download = "media";
+    a.click();
+    URL.revokeObjectURL(url);
   }
 
   return (
@@ -156,11 +180,13 @@ export default function MessagesSection({
                 ) : null}
 
                 {item.type === "image" && (
+                  <a href="#" onClick={() => fetchMedia(item.id)}>
                     <img
                       src={"data:image/jpeg;base64," + item.body}
                       alt=""
                       className="w-full"
                     />
+                  </a>
                 )}
 
                 {item.type === "chat" || item.caption ? (
@@ -227,7 +253,7 @@ export default function MessagesSection({
             aria-label="Send message"
             onClick={sendMessage}
             className="grid size-10 shrink-0 place-items-center rounded-full bg-primary text-primary-foreground shadow-sm transition hover:bg-primary/90 disabled:cursor-not-allowed disabled:opacity-50"
-            disabled={!message.trim()}
+            disabled={!message.trim() || isPending}
           >
             <SendIcon size={17} />
           </button>

ui/src/app/page.tsx

@@ -12,96 +12,6 @@ import { useQuery } from "@tanstack/react-query";
 import { cn, getId, getInitial } from "@/lib/utils";
 import MessagesSection from "./messages";
 
-// type Chat = {
-//   id: number;
-//   name: string;
-//   initials: string;
-//   color: string;
-//   preview: string;
-//   time: string;
-//   unread?: number;
-//   online?: boolean;
-//   messages: { text: string; time: string; fromMe?: boolean; read?: boolean }[];
-// };
-
-// const chats: Chat[] = [
-//   {
-//     id: 1,
-//     name: "Maya Chen",
-//     initials: "MC",
-//     color: "bg-rose-200 text-rose-800",
-//     preview: "That sounds perfect. See you then!",
-//     time: "10:42 AM",
-//     online: true,
-//     messages: [
-//       { text: "Hey! Are we still on for coffee tomorrow?", time: "10:38 AM" },
-//       {
-//         text: "Absolutely. I found a new spot near the park.",
-//         time: "10:40 AM",
-//         fromMe: true,
-//         read: true,
-//       },
-//       { text: "That sounds perfect. See you then!", time: "10:42 AM" },
-//     ],
-//   },
-//   {
-//     id: 2,
-//     name: "Design team",
-//     initials: "DT",
-//     color: "bg-violet-200 text-violet-800",
-//     preview: "Jon: The new explorations are ready",
-//     time: "9:16 AM",
-//     unread: 3,
-//     messages: [
-//       { text: "Jon: The new explorations are ready", time: "9:16 AM" },
-//     ],
-//   },
-//   {
-//     id: 3,
-//     name: "Alex Morgan",
-//     initials: "AM",
-//     color: "bg-amber-200 text-amber-800",
-//     preview: "You: Thanks for sending that over",
-//     time: "Yesterday",
-//     messages: [
-//       {
-//         text: "Thanks for sending that over",
-//         time: "Yesterday",
-//         fromMe: true,
-//         read: true,
-//       },
-//     ],
-//   },
-//   {
-//     id: 4,
-//     name: "Weekend plans",
-//     initials: "WP",
-//     color: "bg-emerald-200 text-emerald-800",
-//     preview: "Priya: I can bring the snacks",
-//     time: "Yesterday",
-//     unread: 8,
-//     messages: [{ text: "Priya: I can bring the snacks", time: "Yesterday" }],
-//   },
-//   {
-//     id: 5,
-//     name: "Noah Williams",
-//     initials: "NW",
-//     color: "bg-sky-200 text-sky-800",
-//     preview: "Voice message",
-//     time: "Tuesday",
-//     messages: [{ text: "Voice message", time: "Tuesday" }],
-//   },
-//   {
-//     id: 6,
-//     name: "Sofia Patel",
-//     initials: "SP",
-//     color: "bg-orange-200 text-orange-800",
-//     preview: "See you at the studio!",
-//     time: "Monday",
-//     messages: [{ text: "See you at the studio!", time: "Monday" }],
-//   },
-// ];
-
 export default function Page() {
   const [selectedId, setSelectedId] = useState<string>();
   const [query, setQuery] = useState("");
@@ -234,7 +144,9 @@ export default function Page() {
                   </div>
                   <div className="mt-1 flex items-center justify-between gap-2">
                     <p className="truncate text-xs text-muted-foreground">
-                      {chat.lastMessage?.body?.substring(0, 50)}
+                      {chat.previewMessage?.type === "chat"
+                        ? chat.previewMessage?.body?.substring(0, 50)
+                        : null}
                     </p>
                     {/* {chat.unread && (
                       <span className="grid size-5 shrink-0 place-items-center rounded-full bg-primary text-[10px] font-bold text-primary-foreground">

ui/src/lib/context.tsx

@@ -15,13 +15,7 @@ export function useWAClient() {
   return ctx;
 }
 
-export function WAProvider({
-  children,
-  url,
-}: {
-  children: React.ReactNode;
-  url?: string;
-}) {
+export function WAProvider({ children }: { children: React.ReactNode }) {
   const isInitialized = useRef(false);
   const [isConnected, setConnected] = useState(false);
 
@@ -38,9 +32,7 @@ export function WAProvider({
     isInitialized.current = true;
 
     wa.on("status", setConnected);
-  }, [url]);
-
-  console.log("status", status);
+  }, []);
 
   return (
     <WAContext.Provider

ui/src/main.tsx

@@ -10,7 +10,7 @@ const queryCLient = new QueryClient();
 createRoot(document.getElementById("root")!).render(
   <StrictMode>
     <QueryClientProvider client={queryCLient}>
-      <WAProvider url={import.meta.env.VITE_WHATSAPP_URL}>
+      <WAProvider>
         <App />
       </WAProvider>
     </QueryClientProvider>