fix: parse feishu post messages

app/modules/feishu/feishu.py

@@ -234,6 +234,7 @@ class Feishu:
             return "", None, None, None
 
         message_type = getattr(message, "message_type", None)
+        message_id = str(getattr(message, "message_id", None) or "").strip()
         text = content.get("text", "").strip() if isinstance(content.get("text"), str) else ""
         images = None
         audio_refs = None
@@ -241,7 +242,6 @@ class Feishu:
 
         if message_type == "image":
             image_key = str(content.get("image_key") or "").strip()
-            message_id = str(getattr(message, "message_id", None) or "").strip()
             if image_key:
                 if message_id:
                     images = [CommingMessage.MessageImage(ref=f"feishu://image/{message_id}/{image_key}")]
@@ -250,7 +250,6 @@ class Feishu:
         elif message_type in {"audio", "media", "file"}:
             file_key = str(content.get("file_key") or "").strip()
             file_name = str(content.get("file_name") or "").strip() or None
-            message_id = str(getattr(message, "message_id", None) or "").strip()
             if file_key:
                 if message_type == "audio":
                     resource_path = f"{message_id}/{file_key}" if message_id else file_key
@@ -263,9 +262,99 @@ class Feishu:
                             name=file_name,
                         )
                     ]
+        elif message_type == "post" and not text:
+            text, images = Feishu._parse_post_message_content(
+                content=content,
+                message_id=message_id,
+            )
 
         return text, images, audio_refs, files
 
+    @staticmethod
+    def _resolve_post_message_body(content: dict) -> Optional[dict]:
+        """解析飞书富文本消息在事件和 webhook 结构中的正文节点。"""
+        if isinstance(content.get("content"), list):
+            return content
+
+        post = content.get("post")
+        if isinstance(post, dict):
+            preferred_locales = ("zh_cn", "en_us", "ja_jp")
+            for locale in preferred_locales:
+                locale_body = post.get(locale)
+                if isinstance(locale_body, dict):
+                    return locale_body
+            for locale_body in post.values():
+                if isinstance(locale_body, dict):
+                    return locale_body
+
+        return None
+
+    @staticmethod
+    def _parse_post_element_text(element: dict) -> str:
+        """将飞书富文本元素转换为消息链可消费的纯文本片段。"""
+        tag = str(element.get("tag") or "").strip()
+        if tag in {"text", "plain_text"}:
+            return str(element.get("text") or element.get("content") or "")
+        if tag == "a":
+            link_text = str(element.get("text") or "").strip()
+            href = str(element.get("href") or element.get("url") or "").strip()
+            if link_text and href and link_text != href:
+                return f"{link_text} {href}"
+            return link_text or href
+        if tag == "at":
+            user_name = str(element.get("user_name") or element.get("name") or "").strip()
+            user_id = str(element.get("user_id") or "").strip()
+            target = user_name or user_id
+            return f" @{target}" if target else ""
+        if tag in {"code_block", "pre"}:
+            code = str(element.get("text") or element.get("content") or "").strip()
+            language = str(element.get("language") or "").strip()
+            if not code:
+                return ""
+            return f"```{language}\n{code}\n```" if language else f"```\n{code}\n```"
+        return str(element.get("text") or element.get("content") or "")
+
+    @staticmethod
+    def _parse_post_message_content(
+            content: dict,
+            message_id: Optional[str] = None,
+    ) -> Tuple[str, Optional[List[CommingMessage.MessageImage]]]:
+        """从飞书富文本消息中提取可转发的文本和图片引用。"""
+        post_body = Feishu._resolve_post_message_body(content)
+        if not post_body:
+            return "", None
+
+        lines = []
+        title = str(post_body.get("title") or "").strip()
+        if title:
+            lines.append(title)
+
+        images = []
+        post_content = post_body.get("content")
+        if isinstance(post_content, list):
+            for row in post_content:
+                if not isinstance(row, list):
+                    continue
+                row_parts = []
+                for element in row:
+                    if not isinstance(element, dict):
+                        continue
+                    image_key = str(element.get("image_key") or "").strip()
+                    if element.get("tag") == "img" and image_key:
+                        if message_id:
+                            images.append(CommingMessage.MessageImage(ref=f"feishu://image/{message_id}/{image_key}"))
+                        else:
+                            images.append(CommingMessage.MessageImage(ref=f"feishu://image/{image_key}"))
+                    element_text = Feishu._parse_post_element_text(element)
+                    if element_text:
+                        row_parts.append(element_text)
+                row_text = "".join(row_parts).strip()
+                if row_text:
+                    lines.append(row_text)
+
+        text = "\n".join(lines).strip()
+        return text, images or None
+
     def _remember_target(self, userid: Optional[str], chat_id: Optional[str]) -> None:
         """记录最近互动的用户与会话映射，便于后续主动回复。"""
         normalized_userid = (userid or "").strip()