Add export button for channel data and update API integration

Co-authored-by: Copilot <copilot@github.com>

webui/app.js

@@ -84,6 +84,14 @@ function renderChannels(channels) {
       await refreshDashboard();
     });
 
+    node.querySelector(".export-btn").addEventListener("click", async () => {
+      await api("/api/jobs/export-channel", {
+        method: "POST",
+        body: JSON.stringify({ channel_id: channel.channel_id }),
+      });
+      await refreshDashboard();
+    });
+
     node.querySelector(".export-view-btn").addEventListener("click", () => {
       window.location.href = `/viewer?channel=${encodeURIComponent(channel.channel_id)}`;
     });

webui/index.html

@@ -194,8 +194,7 @@
         <td class="last-date"></td>
         <td>
           <div class="action-row">
-            <button class="button button-small scrape-btn">Scrape</button>
+            <button class="button button-small scrape-btn">Scrape</button>            <button class="button button-small export-btn">Export</button>            <button class="button button-small export-view-btn">Viewer</button>
-            <button class="button button-small export-view-btn">Viewer</button>
             <button class="button button-small media-btn">Rescrape media</button>
             <button class="button button-small danger remove-btn">Удалить</button>
           </div>

webui_server.py

@@ -63,7 +63,9 @@ def channel_db_path(channel_id: str) -> Path:
     return DATA_DIR / channel_id / f"{channel_id}.db"
 
 
-def guess_media_kind(media_path: Optional[str], media_type: Optional[str]) -> Optional[str]:
+def guess_media_kind(
+    media_path: Optional[str], media_type: Optional[str]
+) -> Optional[str]:
     if not media_path:
         return None
     suffix = Path(media_path).suffix.lower()
@@ -129,10 +131,7 @@ def database_summary(channel_id: str) -> Dict[str, Any]:
 
 
 def channel_display_name(state: Dict[str, Any], channel_id: str) -> str:
-    return (
+    return state.get("channel_names", {}).get(channel_id) or channel_id
-        state.get("channel_names", {}).get(channel_id)
-        or channel_id
-    )
 
 
 def list_channels_snapshot() -> List[Dict[str, Any]]:
@@ -158,7 +157,9 @@ def list_channels_snapshot() -> List[Dict[str, Any]]:
     return channels
 
 
-def load_messages(channel_id: str, limit: int = 120, before_message_id: Optional[int] = None) -> List[Dict[str, Any]]:
+def load_messages(
+    channel_id: str, limit: int = 120, before_message_id: Optional[int] = None
+) -> List[Dict[str, Any]]:
     db_path = channel_db_path(channel_id)
     if not db_path.exists():
         return []
@@ -404,7 +405,11 @@ class TelegramAuthManager:
     async def _start_qr_login(self) -> Dict[str, Any]:
         client = await self._get_client()
         if await client.is_user_authorized():
-            self._set_state(phase="authorized", status="authorized", details="Telegram session is already authorized.")
+            self._set_state(
+                phase="authorized",
+                status="authorized",
+                details="Telegram session is already authorized.",
+            )
             return self.snapshot()
         self.qr_login = await client.qr_login()
         qr_url = self.qr_login.url
@@ -424,7 +429,11 @@ class TelegramAuthManager:
     async def _request_phone_code(self, phone: str) -> Dict[str, Any]:
         client = await self._get_client()
         if await client.is_user_authorized():
-            self._set_state(phase="authorized", status="authorized", details="Telegram session is already authorized.")
+            self._set_state(
+                phase="authorized",
+                status="authorized",
+                details="Telegram session is already authorized.",
+            )
             return self.snapshot()
         sent = await client.send_code_request(phone)
         self.phone = phone
@@ -445,7 +454,9 @@ class TelegramAuthManager:
         if not self.phone or not self.phone_code_hash:
             raise RuntimeError("Request a phone code first.")
         try:
-            await client.sign_in(phone=self.phone, code=code, phone_code_hash=self.phone_code_hash)
+            await client.sign_in(
+                phone=self.phone, code=code, phone_code_hash=self.phone_code_hash
+            )
             self._set_state(
                 phase="authorized",
                 status="authorized",
@@ -518,7 +529,13 @@ class ContinuousScrapeManager:
                 },
             }
 
-    def update(self, enabled: bool, interval_minutes: int, channels: List[str], run_all_tracked: bool) -> Dict[str, Any]:
+    def update(
+        self,
+        enabled: bool,
+        interval_minutes: int,
+        channels: List[str],
+        run_all_tracked: bool,
+    ) -> Dict[str, Any]:
         interval_minutes = max(1, int(interval_minutes))
         with self.lock:
             self.config = {
@@ -575,7 +592,10 @@ class ContinuousScrapeManager:
                 self._log(f"Starting iteration for {len(channels)} channel(s).")
                 buffer = io.StringIO()
                 try:
-                    with contextlib.redirect_stdout(buffer), contextlib.redirect_stderr(buffer):
+                    with (
+                        contextlib.redirect_stdout(buffer),
+                        contextlib.redirect_stderr(buffer),
+                    ):
                         run_job("scrape_selected", {"channels": channels})
                     output = buffer.getvalue().strip()
                     if output:
@@ -637,15 +657,25 @@ def run_job(job_type: str, payload: Dict[str, Any]) -> None:
             elif job_type == "scrape_all":
                 channels = list(scraper.state.get("channels", {}).keys())
                 for channel_id in channels:
-                    offset = int(scraper.state.get("channels", {}).get(channel_id, 0) or 0)
+                    offset = int(
+                        scraper.state.get("channels", {}).get(channel_id, 0) or 0
+                    )
                     await scraper.scrape_channel(channel_id, offset)
             elif job_type == "scrape_selected":
-                channels = [str(channel_id) for channel_id in payload.get("channels", [])]
+                channels = [
+                    str(channel_id) for channel_id in payload.get("channels", [])
+                ]
                 for channel_id in channels:
-                    offset = int(scraper.state.get("channels", {}).get(channel_id, 0) or 0)
+                    offset = int(
+                        scraper.state.get("channels", {}).get(channel_id, 0) or 0
+                    )
                     await scraper.scrape_channel(channel_id, offset)
             elif job_type == "export_all":
                 await scraper.export_data()
+            elif job_type == "export_channel":
+                channel_id = payload["channel_id"]
+                scraper.export_to_csv(channel_id)
+                scraper.export_to_json(channel_id)
             elif job_type == "rescrape_media":
                 await scraper.rescrape_media(payload["channel_id"])
             elif job_type == "fix_missing_media":
@@ -682,7 +712,9 @@ def auth_status() -> Dict[str, Any]:
     status["session_ready"] = session_file.exists()
     if status["has_api_credentials"] and status["session_ready"]:
         status["status"] = "ready"
-        status["details"] = "Scraping actions should be available after dependencies are installed."
+        status["details"] = (
+            "Scraping actions should be available after dependencies are installed."
+        )
     elif status["has_api_credentials"]:
         status["status"] = "needs_auth"
         status["details"] = "API keys found, but Telegram session file is missing."
@@ -722,7 +754,9 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
         if path == "/":
             return self.serve_file(WEBUI_DIR / "index.html", "text/html; charset=utf-8")
         if path == "/viewer":
-            return self.serve_file(WEBUI_DIR / "viewer.html", "text/html; charset=utf-8")
+            return self.serve_file(
+                WEBUI_DIR / "viewer.html", "text/html; charset=utf-8"
+            )
         if path.startswith("/static/"):
             relative = path.removeprefix("/static/")
             return self.serve_static(relative)
@@ -735,6 +769,8 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             return self.send_json(self.app.auth_manager.snapshot())
         if path == "/api/continuous":
             return self.send_json(self.app.continuous_manager.snapshot())
+        if path == "/health/continuous":
+            return self.send_json(self.app.continuous_manager.snapshot())
         if path == "/api/jobs":
             return self.send_json(self.app.job_runner.recent_jobs())
         if path.startswith("/api/jobs/"):
@@ -753,9 +789,15 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             before_message_id = int(before[0]) if before else None
             payload = {
                 "channel_id": channel_id,
-                "messages": load_messages(channel_id, limit=limit, before_message_id=before_message_id),
+                "messages": load_messages(
+                    channel_id, limit=limit, before_message_id=before_message_id
+                ),
                 "channel": next(
-                    (item for item in list_channels_snapshot() if item["channel_id"] == channel_id),
+                    (
+                        item
+                        for item in list_channels_snapshot()
+                        if item["channel_id"] == channel_id
+                    ),
                     None,
                 ),
             }
@@ -767,17 +809,31 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
         path = parsed.path
 
         if path == "/":
-            return self.serve_file(WEBUI_DIR / "index.html", "text/html; charset=utf-8", head_only=True)
+            return self.serve_file(
+                WEBUI_DIR / "index.html", "text/html; charset=utf-8", head_only=True
+            )
         if path == "/viewer":
-            return self.serve_file(WEBUI_DIR / "viewer.html", "text/html; charset=utf-8", head_only=True)
+            return self.serve_file(
+                WEBUI_DIR / "viewer.html", "text/html; charset=utf-8", head_only=True
+            )
         if path.startswith("/static/"):
             relative = path.removeprefix("/static/")
             return self.serve_static(relative, head_only=True)
         if path.startswith("/media/"):
             relative = path.removeprefix("/media/")
             return self.serve_media(relative, head_only=True)
-        if path in {"/api/dashboard", "/api/auth", "/api/continuous", "/api/jobs", "/api/channels"} or path.startswith("/api/jobs/") or (
+        if (
-            path.startswith("/api/channels/") and path.endswith("/messages")
+            path
+            in {
+                "/api/dashboard",
+                "/api/auth",
+                "/api/continuous",
+                "/api/jobs",
+                "/api/channels",
+                "/health/continuous",
+            }
+            or path.startswith("/api/jobs/")
+            or (path.startswith("/api/channels/") and path.endswith("/messages"))
         ):
             self.send_response(HTTPStatus.OK)
             self.send_header("Content-Type", "application/json; charset=utf-8")
@@ -805,7 +861,11 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             try:
                 enabled = bool(body.get("enabled"))
                 interval_minutes = int(body.get("interval_minutes", 1))
-                channels = [str(item).strip() for item in body.get("channels", []) if str(item).strip()]
+                channels = [
+                    str(item).strip()
+                    for item in body.get("channels", [])
+                    if str(item).strip()
+                ]
                 run_all_tracked = bool(body.get("run_all_tracked", True))
                 payload = self.app.continuous_manager.update(
                     enabled=enabled,
@@ -821,7 +881,9 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             api_id = body.get("api_id")
             api_hash = str(body.get("api_hash", "")).strip()
             if not api_id or not api_hash:
-                return self.send_error_json(HTTPStatus.BAD_REQUEST, "api_id and api_hash are required")
+                return self.send_error_json(
+                    HTTPStatus.BAD_REQUEST, "api_id and api_hash are required"
+                )
             try:
                 payload = self.app.auth_manager.save_credentials(int(api_id), api_hash)
             except Exception as exc:
@@ -858,7 +920,9 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
         if path == "/api/auth/password":
             password = str(body.get("password", "")).strip()
             if not password:
-                return self.send_error_json(HTTPStatus.BAD_REQUEST, "password is required")
+                return self.send_error_json(
+                    HTTPStatus.BAD_REQUEST, "password is required"
+                )
             try:
                 payload = self.app.auth_manager.submit_password(password)
             except Exception as exc:
@@ -868,12 +932,16 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
         if path == "/api/channels/add":
             channel_id = str(body.get("channel_id", "")).strip()
             if not channel_id:
-                return self.send_error_json(HTTPStatus.BAD_REQUEST, "channel_id is required")
+                return self.send_error_json(
+                    HTTPStatus.BAD_REQUEST, "channel_id is required"
+                )
             state = load_state()
             if channel_id not in state["channels"]:
                 state["channels"][channel_id] = 0
             if body.get("name"):
-                state.setdefault("channel_names", {})[channel_id] = str(body["name"]).strip()
+                state.setdefault("channel_names", {})[channel_id] = str(
+                    body["name"]
+                ).strip()
             save_state(state)
             return self.send_json({"ok": True, "channel_id": channel_id})
 
@@ -909,10 +977,25 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             )
             return self.send_json(job.to_dict(), status=HTTPStatus.ACCEPTED)
 
+        if path == "/api/jobs/export-channel":
+            channel_id = str(body.get("channel_id", "")).strip()
+            if not channel_id:
+                return self.send_error_json(
+                    HTTPStatus.BAD_REQUEST, "channel_id is required"
+                )
+            job = self.app.job_runner.create_job(
+                "export_channel",
+                f"Export channel {channel_id}",
+                {"channel_id": channel_id},
+            )
+            return self.send_json(job.to_dict(), status=HTTPStatus.ACCEPTED)
+
         if path == "/api/jobs/rescrape-media":
             channel_id = str(body.get("channel_id", "")).strip()
             if not channel_id:
-                return self.send_error_json(HTTPStatus.BAD_REQUEST, "channel_id is required")
+                return self.send_error_json(
+                    HTTPStatus.BAD_REQUEST, "channel_id is required"
+                )
             job = self.app.job_runner.create_job(
                 "rescrape_media",
                 f"Rescrape media for {channel_id}",
@@ -923,7 +1006,9 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
         if path == "/api/jobs/fix-media":
             channel_id = str(body.get("channel_id", "")).strip()
             if not channel_id:
-                return self.send_error_json(HTTPStatus.BAD_REQUEST, "channel_id is required")
+                return self.send_error_json(
+                    HTTPStatus.BAD_REQUEST, "channel_id is required"
+                )
             job = self.app.job_runner.create_job(
                 "fix_missing_media",
                 f"Fix missing media for {channel_id}",
@@ -959,7 +1044,9 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             return self.send_error_json(HTTPStatus.FORBIDDEN, "Forbidden")
         if not file_path.exists() or not file_path.is_file():
             return self.send_error_json(HTTPStatus.NOT_FOUND, "File not found")
-        mime_type = mimetypes.guess_type(str(file_path))[0] or "application/octet-stream"
+        mime_type = (
+            mimetypes.guess_type(str(file_path))[0] or "application/octet-stream"
+        )
         return self.serve_file(file_path, mime_type, head_only=head_only)
 
     def serve_media(self, relative_path: str, head_only: bool = False) -> None:
@@ -971,10 +1058,14 @@ class TelegramScraperRequestHandler(BaseHTTPRequestHandler):
             return self.send_error_json(HTTPStatus.FORBIDDEN, "Forbidden")
         if not file_path.exists() or not file_path.is_file():
             return self.send_error_json(HTTPStatus.NOT_FOUND, "Media file not found")
-        mime_type = mimetypes.guess_type(str(file_path))[0] or "application/octet-stream"
+        mime_type = (
+            mimetypes.guess_type(str(file_path))[0] or "application/octet-stream"
+        )
         return self.serve_file(file_path, mime_type, head_only=head_only)
 
-    def serve_file(self, file_path: Path, content_type: str, head_only: bool = False) -> None:
+    def serve_file(
+        self, file_path: Path, content_type: str, head_only: bool = False
+    ) -> None:
         data = file_path.read_bytes()
         self.send_response(HTTPStatus.OK)
         self.send_header("Content-Type", content_type)