improve work

app/core/_utils/resolve_content.py

@@ -2,8 +2,9 @@ from app.core.content.content_id import ContentId
 
 
 def resolve_content(content_id) -> ContentId:  # -> [content, error]
+    if isinstance(content_id, ContentId):
+        return content_id, None
     try:
         return ContentId.deserialize(content_id), None
     except BaseException as e:
         return None, f"{e}"
-

app/core/_utils/share_links.py

@@ -0,0 +1,24 @@
+from typing import Optional
+from urllib.parse import urlencode
+
+STARTAPP_SEPARATOR = '!'
+STARTAPP_LIMIT = 64
+
+
+def build_content_links(content_token: str, ref_id: Optional[str], *, project_host: str, bot_username: str):
+    """Return tuple of (startapp_payload, telegram_url, web_url)."""
+    payload = content_token
+    short_ref = (ref_id or '').strip()[:3]
+    if short_ref:
+        candidate = f"{content_token}{STARTAPP_SEPARATOR}{short_ref}"
+        if len(candidate) <= STARTAPP_LIMIT:
+            payload = candidate
+
+    telegram_url = f"https://t.me/{bot_username}/content?startapp={payload}"
+
+    query = [('content', content_token)]
+    if ref_id:
+        query.append(('ref', ref_id))
+    web_url = f"{project_host}/viewContent?{urlencode(query)}"
+
+    return payload, telegram_url, web_url