From c527a50886265b4f6c9f7fd78f65a1b4bd62c4c2 Mon Sep 17 00:00:00 2001
From: Patrick J Cherry <patrick@bytemark.co.uk>
Date: Tue, 28 Feb 2012 14:35:10 +0000
Subject: Added destroy command.

---
 lib/mauve/notifiers/xmpp.rb | 51 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/lib/mauve/notifiers/xmpp.rb b/lib/mauve/notifiers/xmpp.rb
index 44c6f16..8a78fd3 100644
--- a/lib/mauve/notifiers/xmpp.rb
+++ b/lib/mauve/notifiers/xmpp.rb
@@ -474,6 +474,8 @@ module Mauve
               do_parse_show(msg)
             when /ack/i
               do_parse_ack(msg)
+            when /destroy\s?/i
+              do_parse_destroy(msg)
             else
               File.executable?('/usr/games/fortune') ? `/usr/games/fortune -s -n 60`.chomp : "I'd love to stay and chat, but I'm really quite busy"
           end          
@@ -512,8 +514,22 @@ e.g.
   ack 1,2,3 for 2 working hours -- acknowledges alerts 1, 2, and 3 for 2 working hours
   ack 4 for 3 days because something bad happened -- acknowledge alert 4 for 3 wall-clock days with the note "something bad happened"
 EOF
+            when /^destroy/
+              <<EOF
+Destroy command: Destroys or more alerts.
+
+The syntax is
+
+  destroy <alert list>
+
+ * The alert list is a comma separated list.
+
+e.g.
+  destroy 1,2,3  -- destroys alerts 1, 2, and 3.
+EOF
+
             else
-              "I am Mauve #{Mauve::VERSION}.  I understand \"help\", \"show\" and \"acknowledge\" commands.  Try \"help show\"."
+              "I am Mauve #{Mauve::VERSION}.  I understand \"help\", \"show\", \"acknowledge\", and \"destroy\" commands.  Try \"help show\"."
           end       
         end
 
@@ -637,6 +653,39 @@ EOF
           return msg.join("\n")
         end
 
+        def do_parse_destroy(msg)
+          return "Sorry -- I don't understand your destroy command." unless
+             msg.body =~ /destroy\s+([\d\D]+)$/i
+
+          alerts = $1.split(/\D+/)
+          
+          username = get_username_for(msg.from)
+
+          if is_muc?(Configuration.current.people[username].xmpp)
+            return "I'm sorry -- if you want to destroy alerts, please do it from a private chat"
+          end
+
+          msg = []
+          msg << "Results of your destruction:" if alerts.length > 1
+
+          alerts.each do |alert_id|
+            alert = Alert.get(alert_id)
+
+            if alert.nil?
+              msg << "#{alert_id}: alert not found"
+              next
+            end
+
+            if alert.destroy!
+              msg << "#{alert_id}: destroyed"
+            else
+              msg << "#{alert_id}: destruction failed."
+            end
+          end
+
+          return msg.join("\n")
+        end
+
         def check_alert_conditions(destination, conditions)
           any_failed = conditions.keys.collect do |key|
             case key
-- 
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