feat: enable podcast

web/src/app/_components/message-list-view.tsx

@@ -1,9 +1,14 @@
 // Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
+import {
+  DownloadOutlined,
+  SoundOutlined,
+  LoadingOutlined,
+} from "@ant-design/icons";
 import { parse } from "best-effort-json-parser";
 import { motion } from "framer-motion";
-import { useCallback, useMemo } from "react";
+import { useCallback, useMemo, useState } from "react";
 
 import { Button } from "~/components/ui/button";
 import {
@@ -13,6 +18,11 @@ import {
   CardHeader,
   CardTitle,
 } from "~/components/ui/card";
+import {
+  Tooltip,
+  TooltipContent,
+  TooltipTrigger,
+} from "~/components/ui/tooltip";
 import type { Message, Option } from "~/core/messages";
 import {
   openResearch,
@@ -114,6 +124,7 @@ function MessageListItem({
       message.role === "user" ||
       message.agent === "coordinator" ||
       message.agent === "planner" ||
+      message.agent === "podcast" ||
       startOfResearch
     ) {
       let content: React.ReactNode;
@@ -128,6 +139,12 @@ function MessageListItem({
             />
           </div>
         );
+      } else if (message.agent === "podcast") {
+        content = (
+          <div className="w-full px-4">
+            <PodcastCard message={message} />
+          </div>
+        );
       } else if (startOfResearch) {
         content = (
           <div className="w-full px-4">
@@ -348,3 +365,63 @@ function PlanCard({
     </Card>
   );
 }
+
+function PodcastCard({
+  className,
+  message,
+}: {
+  className?: string;
+  message: Message;
+}) {
+  const data = useMemo(() => {
+    return parse(message.content ?? "");
+  }, [message.content]);
+  const title = useMemo(() => data?.title, [data]);
+  const audioUrl = useMemo(() => data?.audioUrl, [data]);
+  const isGenerating = useMemo(() => {
+    return message.isStreaming;
+  }, [message.isStreaming]);
+  const [isPlaying, setIsPlaying] = useState(false);
+  return (
+    <Card className={cn("w-[508px] bg-white", className)}>
+      <CardHeader>
+        <div className="text-muted-foreground flex items-center justify-between text-sm">
+          <div className="flex items-center gap-2">
+            {isGenerating ? <LoadingOutlined /> : <SoundOutlined />}
+            <RainbowText animated={isGenerating}>
+              {isGenerating
+                ? "Generating podcast..."
+                : isPlaying
+                  ? "Now playing podcast..."
+                  : "Podcast"}
+            </RainbowText>
+          </div>
+          <div className="flex">
+            <Tooltip>
+              <TooltipTrigger asChild>
+                <Button variant="ghost" size="icon">
+                  <DownloadOutlined />
+                </Button>
+              </TooltipTrigger>
+              <TooltipContent>Download podcast</TooltipContent>
+            </Tooltip>
+          </div>
+        </div>
+        <CardTitle>
+          <div className="text-lg font-medium">
+            <RainbowText animated={isGenerating}>{title}</RainbowText>
+          </div>
+        </CardTitle>
+      </CardHeader>
+      <CardContent>
+        <audio
+          className="w-full"
+          src={audioUrl}
+          controls
+          onPlay={() => setIsPlaying(true)}
+          onPause={() => setIsPlaying(false)}
+        />
+      </CardContent>
+    </Card>
+  );
+}

web/src/app/_components/research-block.tsx

@@ -80,8 +80,12 @@ export function ResearchBlock({
           </div>
           <TabsContent className="h-full min-h-0 flex-grow px-8" value="report">
             <ScrollContainer className="px-5pb-20 h-full">
-              {reportId && (
-                <ResearchReportBlock className="mt-4" messageId={reportId} />
+              {reportId && researchId && (
+                <ResearchReportBlock
+                  className="mt-4"
+                  researchId={researchId}
+                  messageId={reportId}
+                />
               )}
             </ScrollContainer>
           </TabsContent>

web/src/app/_components/research-report-block.tsx

@@ -1,7 +1,7 @@
 // Copyright (c) 2025 Bytedance Ltd. and/or its affiliates
 // SPDX-License-Identifier: MIT
 
-import { PauseCircleOutlined, SoundOutlined } from "@ant-design/icons";
+import { SoundOutlined } from "@ant-design/icons";
 import { useCallback, useRef, useState } from "react";
 
 import { Button } from "~/components/ui/button";
@@ -10,7 +10,7 @@ import {
   TooltipTrigger,
   TooltipContent,
 } from "~/components/ui/tooltip";
-import { useMessage } from "~/core/store";
+import { listenToPodcast, useMessage } from "~/core/store";
 import { cn } from "~/lib/utils";
 
 import { LoadingAnimation } from "./loading-animation";
@@ -18,29 +18,23 @@ import { Markdown } from "./markdown";
 
 export function ResearchReportBlock({
   className,
+  researchId,
   messageId,
 }: {
   className?: string;
+  researchId: string;
   messageId: string;
 }) {
   const message = useMessage(messageId);
   const contentRef = useRef<HTMLDivElement>(null);
-  const [isTTS, setIsTTS] = useState(false);
-  const handleTTS = useCallback(() => {
-    if (contentRef.current) {
-      if (isTTS) {
-        window.speechSynthesis.cancel();
-        setIsTTS(false);
-      } else {
-        const text = contentRef.current.textContent;
-        if (text) {
-          const utterance = new SpeechSynthesisUtterance(text);
-          setIsTTS(true);
-          window.speechSynthesis.speak(utterance);
-        }
-      }
+  const [isGenerated, setGenerated] = useState(false);
+  const handleListenToReport = useCallback(async () => {
+    if (isGenerated) {
+      return;
     }
-  }, [isTTS]);
+    setGenerated(true);
+    await listenToPodcast(researchId);
+  }, [isGenerated, researchId]);
   return (
     <div
       ref={contentRef}
@@ -54,14 +48,16 @@ export function ResearchReportBlock({
                 variant="outline"
                 size="icon"
                 onClick={() => {
-                  handleTTS();
+                  void handleListenToReport();
                 }}
               >
-                {isTTS ? <PauseCircleOutlined /> : <SoundOutlined />}
+                <SoundOutlined />
               </Button>
             </TooltipTrigger>
             <TooltipContent>
-              <p>{isTTS ? "Pause" : "Listen to the report"}</p>
+              <p>
+                {isGenerated ? "The podcast is generated" : "Generate podcast"}
+              </p>
             </TooltipContent>
           </Tooltip>
         )}