Require /slack distracting to be run from a channel buffer

Running this from a server buffer makes no sense, so output an error
if you do that.

1 files changed, 3 insertions, 0 deletions

diff --git a/wee_slack.py b/wee_slack.py
index 21ce03f..eae2e1d 100644
--- a/wee_slack.py
+++ b/wee_slack.py
@@ -957,6 +957,9 @@ def command_nodistractions(current_buffer, args):
 def command_distracting(current_buffer, args):
     global distracting_channels
     distracting_channels = [x.strip() for x in w.config_get_plugin("distracting_channels").split(',')]
+    if channels.find(current_buffer) is None:
+        w.prnt(current_buffer, "This command must be used in a channel buffer")
+        return
     fullname = channels.find(current_buffer).fullname()
     if distracting_channels.count(fullname) == 0:
         distracting_channels.append(fullname)