Aka.search: be case insensitive and handle "not found" errors correctly

Closes #1110.

plugins/Aka/plugin.py

@@ -743,6 +743,7 @@ class Aka(callbacks.Plugin):
 
         Searches Akas defined for <channel>. If <channel> is not specified,
         searches all global Akas."""
+        query = callbacks.canonicalName(query, preserve_spaces=True)
         channel = 'global'
         for (option, arg) in optlist:
             if option == 'channel':
@@ -751,12 +752,13 @@ class Aka(callbacks.Plugin):
                             Raise=True)
                 channel = arg
         aka_list = self._db.get_aka_list(channel)
-        aka_list = [k[0] for k in aka_list]
-        if aka_list:
-            matching = [aka for aka in aka_list if query in aka]
+        aka_list = [callbacks.canonicalName(k[0], preserve_spaces=True)
+                    for k in aka_list]
+        matching = [aka for aka in aka_list if query in aka]
+        if matching:
             irc.replies(matching)
         else:
-            irc.error(_("No matching Akas found."))
+            irc.error(_("No matching Akas were found."))
     search = wrap(search, [getopts({'channel': 'channel'}), 'text'])
 
 Class = Aka

plugins/Aka/test.py

@@ -238,5 +238,7 @@ class AkaTestCase(PluginTestCase):
         self.assertRegexp('aka search f', 'foo')
         self.assertError('aka search abcdefghijklmnop')
         self.assertRegexp('aka search many', 'many words')
+        # This should be case insensitive too.
+        self.assertRegexp('aka search MaNY', 'many words')
 
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