feat(/edit): per-argument updates + clear syntax + admin-only

- Add -link and -date flags to /edit command for field clearing
- /edit <id> -link - clear link
- /edit <id> -date - clear date
- /edit <id> -link <url> - set link
- /edit <id> -date <date> - set date
- /edit <id> text -link - update text, clear link
- /edit <id> text <url> - update text and set link
- Parse_args now returns (text, link, due_date_ts, clear_link, clear_date)
- Update usage messages and help text
- Fixes #46

apps/telegram-bot/commands.py

@@ -26,26 +26,62 @@ def extract_args(text: str) -> list[str]:
     return tokens[1:] if len(tokens) > 1 else []
 
 
-def parse_args(args: list[str]) -> tuple[Optional[str], Optional[str], Optional[int]]:
+def parse_args(
+    args: list[str],
+) -> tuple[Optional[str], Optional[str], Optional[int], bool, bool]:
     text = None
     link = None
     due_date_ts = None
+    clear_link = False
+    clear_date = False
 
-    remaining = []
+    i = 0
-    for arg in args:
+    while i < len(args):
-        if not link and (arg.startswith("http://") or arg.startswith("https://")):
+        arg = args[i]
+
+        if arg == "-link":
+            if i + 1 < len(args) and (
+                args[i + 1].startswith("http://") or args[i + 1].startswith("https://")
+            ):
+                link = args[i + 1]
+                i += 2
+            else:
+                clear_link = True
+                i += 1
+        elif arg == "-date":
+            if i + 1 < len(args):
+                parsed = dateparser.parse(args[i + 1])
+                if parsed:
+                    due_date_ts = int(parsed.timestamp())
+                    i += 2
+                else:
+                    clear_date = True
+                    i += 1
+            else:
+                clear_date = True
+                i += 1
+        elif not link and (arg.startswith("http://") or arg.startswith("https://")):
             link = arg
+            i += 1
         elif due_date_ts is None:
             parsed = dateparser.parse(arg)
             if parsed:
                 due_date_ts = int(parsed.timestamp())
+                i += 1
             else:
-                remaining.append(arg)
+                i += 1
+                if text is None:
+                    text = arg
                 else:
-            remaining.append(arg)
+                    text = text + " " + arg
+        else:
+            i += 1
+            if text is None:
+                text = arg
+            else:
+                text = text + " " + arg
 
-    text = " ".join(remaining) if remaining else None
+    return text, link, due_date_ts, clear_link, clear_date
-    return text, link, due_date_ts
 
 
 def format_bounty(b, show_id: bool = True) -> str:
@@ -137,7 +173,7 @@ async def cmd_add(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         )
         return
 
-    text, link, due_date_ts = parse_args(args)
+    text, link, due_date_ts, _, _ = parse_args(args)
     if not text and not link:
         await update.message.reply_text("A bounty needs at least text or a link.")
         return
@@ -167,7 +203,14 @@ async def cmd_update(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     args = extract_args(update.message.text)
     if len(args) < 1:
         await update.message.reply_text(
-            "Usage: /update <bounty_id> [text] [link] [due_date]"
+            "Usage: /update <bounty_id> [text] [link] [due_date]\n"
+            "       /update <bounty_id> -link [<url>]   - clear or set link\n"
+            "       /update <bounty_id> -date [<date>]   - clear or set date\n"
+            "Examples:\n"
+            "  /update 1 new text           - update text only\n"
+            "  /update 1 -link              - clear link\n"
+            "  /update 1 -link https://...  - set link\n"
+            "  /update 1 -link -date        - clear both link and date"
         )
         return
 
@@ -177,8 +220,14 @@ async def cmd_update(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         await update.message.reply_text("Invalid bounty ID.")
         return
 
-    text, link, due_date_ts = parse_args(args[1:])
+    text, link, due_date_ts, clear_link, clear_date = parse_args(args[1:])
-    if not text and not link and due_date_ts is None:
+    if (
+        not text
+        and not link
+        and due_date_ts is None
+        and not clear_link
+        and not clear_date
+    ):
         await update.message.reply_text("Nothing to update.")
         return
 
@@ -193,10 +242,15 @@ async def cmd_update(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
             text=text,
             link=link,
             due_date_ts=due_date_ts,
+            clear_link=clear_link,
+            clear_due=clear_date,
         )
     except PermissionError as e:
         await update.message.reply_text(f"⛔ {e}")
         return
+    except ValueError as e:
+        await update.message.reply_text(f"⛔ {e}")
+        return
 
     if success:
         await update.message.reply_text(f"✅ Bounty #{bounty_id} updated.")
@@ -317,8 +371,11 @@ async def cmd_help(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         "/bounty — list all bounties\n"
         "/my — bounties you're tracking\n"
         "/add <text> [link] [due] — add bounty\n"
-        "/update <id> [text> [link] [due] — update bounty\n"
+        "/update <id> [text] [link] [due] — update bounty\n"
-        "/delete <id> — delete bounty\n"
+        "/edit <id> [text] [link] [due] — edit bounty (same as update)\n"
+        "  /edit <id> -link [<url>]  — clear or set link\n"
+        "  /edit <id> -date [<date>] — clear or set date\n"
+        "/delete <id> — delete bounty (admin only)\n"
         "/track <id> — track a bounty (groups only)\n"
         "/untrack <id> — stop tracking (groups only)\n"
         "/start — re-initialize\n"