From dbb4e027af45dc7cde93d1f45deb73c42e37a40a Mon Sep 17 00:00:00 2001
From: eddy <eddy@eddydevink.nl>
Date: Sat, 5 Sep 2026 17:25:30 +0200
Subject: [PATCH] v1.1.2: set-filter alleen wissen met expliciet 'clear'

- lege !rss set-filter wist NOOIT het filter, toont usage + huidig filter
- verwijderen vereist expliciet: !rss set-filter clear|none|off|remove
- voorkomt onbedoeld filterverlies
---
 buzzrss/bot.py | 36 ++++++++++++++++++++++++++----------
 maubot.yaml    |  2 +-
 2 files changed, 27 insertions(+), 11 deletions(-)

diff --git a/buzzrss/bot.py b/buzzrss/bot.py
index d418d77..c3eda54 100644
--- a/buzzrss/bot.py
+++ b/buzzrss/bot.py
@@ -407,10 +407,10 @@ class RSSBot(Plugin):
             await evt.reply(f"Subscribed to {feed_info}")
 
     @rss.subcommand(
-        "set-filter", aliases=("f",), help="Set the global match filter (whitelist regex) for all feeds."
+        "set-filter", aliases=("f",), help="Set the global match filter: !rss set-filter <regex> | !rss set-filter clear"
     )
-    @command.argument("match_filter", "match filter", pass_raw=True)
-    async def set_filter(self, evt: MessageEvent, match_filter: str) -> None:
+    @command.argument("match_filter", "match filter", pass_raw=True, required=False)
+    async def set_filter(self, evt: MessageEvent, match_filter: str = "") -> None:
         if evt.sender in self.config["admins"]:
             pass
         elif not self.config["allow_filter"]:
@@ -418,19 +418,35 @@ class RSSBot(Plugin):
             return
         elif not await self.can_manage(evt):
             return
+        if not match_filter:
+            # Lege aanroep: nooit het filter wissen. Toon usage + huidige filter.
+            f = self.config["match_filter"]
+            if f:
+                await evt.reply(
+                    f"Usage: `!rss set-filter <regex>` or `!rss set-filter clear`\n\n"
+                    f"**Current filter:**\n```\n{f}\n```"
+                )
+            else:
+                await evt.reply(
+                    "Usage: `!rss set-filter <regex>` or `!rss set-filter clear`\n\n"
+                    "No filter is currently set (all posts are sent)"
+                )
+            return
+        if match_filter.strip().lower() in ("clear", "none", "off", "remove"):
+            self.config["match_filter"] = ""
+            self.config.save()
+            await evt.reply("Global filter removed (all posts will be sent)")
+            return
         try:
             re.compile(match_filter)
         except re.error:
-            await evt.reply(f"Filter is not a valid regular expression")
+            await evt.reply("Filter is not a valid regular expression")
             return
         self.config["match_filter"] = match_filter
         self.config.save()
-        if match_filter:
-            await evt.reply(
-                f"Global filter updated: only posts matching `{match_filter}` will be sent"
-            )
-        else:
-            await evt.reply("Global filter removed (all posts will be sent)")
+        await evt.reply(
+            f"Global filter updated: only posts matching `{match_filter}` will be sent"
+        )
 
     @rss.subcommand(
         "filter", aliases=("show-filter", "get-filter"), help="Show the current global match filter."
diff --git a/maubot.yaml b/maubot.yaml
index b2efc06..a7b96d4 100644
--- a/maubot.yaml
+++ b/maubot.yaml
@@ -1,5 +1,5 @@
 id: nl.eddydevink.rss
-version: 1.1.1
+version: 1.1.2
 modules:
 - buzzrss
 main_class: RSSBot