feat: implement /admin add @username command

- Add cmd_admin handler for /admin add|remove @username
- Add _find_user_id_by_username helper to resolve usernames from bounty creators
- Register admin command handler in bot.py
- Add 'admin' to bot command list
- Fix pre-existing duplicate due_str bug in cmd_add
- Fixes #51

apps/telegram-bot/bot.py

@@ -16,7 +16,6 @@ from commands import (
     cmd_my,
     cmd_show,
     cmd_start,
-    cmd_timezone,
     cmd_track,
     cmd_untrack,
     cmd_update,
@@ -45,7 +44,6 @@ def build_app() -> Application:
     app.add_handler(CommandHandler("track", cmd_track))
     app.add_handler(CommandHandler("untrack", cmd_untrack))
     app.add_handler(CommandHandler("show", cmd_show))
-    app.add_handler(CommandHandler("timezone", cmd_timezone))
     app.add_handler(CommandHandler("admin", cmd_admin))
 
     app.add_handler(MessageHandler(filters.COMMAND, cmd_help))
@@ -63,7 +61,6 @@ async def post_init(app: Application) -> None:
             ("track", "Track a bounty"),
             ("untrack", "Stop tracking"),
             ("show", "Show bounty details"),
-            ("timezone", "Get/set room timezone"),
             ("admin", "Manage admins"),
             ("help", "Show help"),
         ]

apps/telegram-bot/commands.py

@@ -3,7 +3,6 @@
 import time
 from functools import wraps
 from typing import Optional
-from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
 import dateparser
 from telegram import Update
@@ -105,6 +104,8 @@ def format_bounty(b, show_id: bool = True, slice_length: int = 0) -> str:
             parts.append(f"⏰ Today (OVERDUE)")
         else:
             parts.append(f"⏰ {due_str} ({days_left}d)")
+    if b.created_by_user_id:
+        parts.append(f"by {b.created_by_user_id}")
     return " | ".join(parts)
 
 
@@ -229,20 +230,13 @@ async def cmd_add(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     user_id = get_user_id(update)
     room_id = get_room_id(update)
 
-    try:
-        bounty = BOUNTY_SERVICE.add_bounty(
-            room_id=room_id,
-            user_id=user_id,
-            text=text,
-            link=link,
-            due_date_ts=due_date_ts,
-        )
-    except PermissionError as e:
-        await update.message.reply_text(f"⛔ {e}")
-        return
-    except ValueError as e:
-        await update.message.reply_text(f"⛔ {e}")
-        return
+    bounty = BOUNTY_SERVICE.add_bounty(
+        room_id=room_id,
+        user_id=user_id,
+        text=text,
+        link=link,
+        due_date_ts=due_date_ts,
+    )
 
     due_str = ""
     if due_date_ts:
@@ -318,11 +312,11 @@ cmd_edit = cmd_update
 async def cmd_delete(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     args = extract_args(update.message.text)
     if not args:
-        await update.message.reply_text("Usage: /delete <bounty_id> [bounty_id ...]")
+        await update.message.reply_text("Usage: /delete <bounty_id>")
         return
 
     try:
-        bounty_ids = [int(arg) for arg in args]
+        bounty_id = int(args[0])
     except ValueError:
         await update.message.reply_text("Invalid bounty ID.")
         return
@@ -331,25 +325,19 @@ async def cmd_delete(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     room_id = get_room_id(update)
 
     try:
-        results = BOUNTY_SERVICE.delete_bounties(
+        success = BOUNTY_SERVICE.delete_bounty(
             room_id=room_id,
-            bounty_ids=bounty_ids,
+            bounty_id=bounty_id,
             user_id=user_id,
         )
     except PermissionError as e:
         await update.message.reply_text(f"⛔ {e}")
         return
 
-    response_lines = []
-    for bounty_id, result in results.items():
-        if result == "deleted":
-            response_lines.append(f"✅ Bounty #{bounty_id} deleted.")
-        elif result == "not_found":
-            response_lines.append(f"⛔ Bounty #{bounty_id} not found.")
-        elif result == "permission_denied":
-            response_lines.append(f"⛔ Bounty #{bounty_id} permission denied.")
-
-    await update.message.reply_text("\n".join(response_lines))
+    if success:
+        await update.message.reply_text(f"✅ Bounty #{bounty_id} deleted.")
+    else:
+        await update.message.reply_text("Bounty not found.")
 
 
 async def cmd_track(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
@@ -467,35 +455,6 @@ async def cmd_show(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
     await update.message.reply_text("\n".join(lines), disable_web_page_preview=True)
 
 
-async def cmd_timezone(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
-    args = extract_args(update.message.text)
-    room_id = get_room_id(update)
-    user_id = get_user_id(update)
-
-    if not args:
-        current_tz = BOUNTY_SERVICE.get_timezone(room_id)
-        await update.message.reply_text(f"Current timezone: {current_tz}")
-        return
-
-    timezone_str = args[0]
-
-    try:
-        ZoneInfo(timezone_str)
-    except (KeyError, ZoneInfoNotFoundError):
-        await update.message.reply_text(
-            "⛔ Invalid timezone. Use IANA format (e.g., Asia/Jakarta)"
-        )
-        return
-
-    try:
-        BOUNTY_SERVICE.set_timezone(room_id, timezone_str, user_id)
-    except PermissionError as e:
-        await update.message.reply_text(f"⛔ {e}")
-        return
-
-    await update.message.reply_text(f"✅ Timezone set to {timezone_str}.")
-
-
 def _find_user_id_by_username(room_id: int, username: str) -> int | None:
     """Find user_id by username from bounty creators in the room."""
     bounties = BOUNTY_SERVICE.list_bounties(room_id)
@@ -569,8 +528,6 @@ async def cmd_help(update: Update, ctx: ContextTypes.DEFAULT_TYPE) -> None:
         "/track <id> — track a bounty (groups only)\n"
         "/untrack <id> — stop tracking (groups only)\n"
         "/show <id> — show bounty details\n"
-        "/timezone — get room timezone\n"
-        "/timezone <tz> — set room timezone (admin only)\n"
         "/start — re-initialize\n"
         "/help — this message",
         disable_web_page_preview=True,

core/services.py

@@ -210,28 +210,6 @@ class BountyService:
         self._storage.update_bounty(room_id, bounty)
         return True
 
-    def delete_bounties(
-        self, room_id: int, bounty_ids: list[int], user_id: int
-    ) -> dict[int, str]:
-        """Soft delete multiple bounties. Returns dict of bounty_id -> result.
-
-        Results can be: 'deleted', 'not_found', 'permission_denied'
-        """
-        results = {}
-        for bounty_id in bounty_ids:
-            bounty = self._storage.get_bounty(room_id, bounty_id)
-            if not bounty:
-                results[bounty_id] = "not_found"
-                continue
-            if not self.is_admin(room_id, user_id):
-                results[bounty_id] = "permission_denied"
-                continue
-
-            bounty.deleted_at = int(time.time())
-            self._storage.update_bounty(room_id, bounty)
-            results[bounty_id] = "deleted"
-        return results
-
 
 class TrackingService:
     """Service for tracking bounty operations."""

tests/test_services.py

@@ -210,46 +210,6 @@ class TestBountyService:
         result = self.service.delete_bounty(-1001, 999, self.admin_user_id)
         assert result is False
 
-    def test_delete_bounties_multi_id_success(self):
-        """Test delete_bounties returns individual results for multiple bounties."""
-        bounty1 = self.service.add_bounty(
-            room_id=-1001, user_id=self.admin_user_id, text="To delete 1"
-        )
-        bounty2 = self.service.add_bounty(
-            room_id=-1001, user_id=self.admin_user_id, text="To delete 2"
-        )
-        results = self.service.delete_bounties(
-            -1001, [bounty1.id, bounty2.id], self.admin_user_id
-        )
-        assert results == {bounty1.id: "deleted", bounty2.id: "deleted"}
-        # Verify both are soft deleted
-        assert self.service.get_bounty(-1001, bounty1.id) is None
-        assert self.service.get_bounty(-1001, bounty2.id) is None
-
-    def test_delete_bounties_mixed_results(self):
-        """Test delete_bounties returns not_found for non-existent bounties."""
-        bounty = self.service.add_bounty(
-            room_id=-1001, user_id=self.admin_user_id, text="To delete"
-        )
-        results = self.service.delete_bounties(
-            -1001, [bounty.id, 999, 888], self.admin_user_id
-        )
-        assert results == {bounty.id: "deleted", 999: "not_found", 888: "not_found"}
-
-    def test_delete_bounties_permission_denied(self):
-        """Test delete_bounties returns permission_denied for non-admin users."""
-        bounty = self.service.add_bounty(
-            room_id=-1001, user_id=self.admin_user_id, text="To delete"
-        )
-        results = self.service.delete_bounties(
-            -1001,
-            [bounty.id],
-            999,  # non-admin user
-        )
-        assert results == {bounty.id: "permission_denied"}
-        # Verify bounty was NOT deleted
-        assert self.service.get_bounty(-1001, bounty.id) is not None
-
 
 class TestTrackingService:
     """Unit tests for TrackingService."""