X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mailshears.git;a=blobdiff_plain;f=lib%2Fcommon%2Fplugin.rb;h=633c8fd26d0c2f4bd467ff3d33aa3a48cc1a93fc;hp=0687989fe03169e3aa2e4d9c256f30bf9cbe8b67;hb=483d14dc8228a81d12fb109d3ed6510e2d2b03c1;hpb=e7fa62fc599b7583102fe48fbaad3db4f911a6da

diff --git a/lib/common/plugin.rb b/lib/common/plugin.rb
index 0687989..633c8fd 100644
--- a/lib/common/plugin.rb
+++ b/lib/common/plugin.rb
@@ -28,4 +28,30 @@ module Plugin
     raise NotImplementedError
   end
 
+  def list_users()
+    # Return a list of all users managed by this plugin.
+    raise NotImplementedError
+  end
+
+  def list_domains_users(domains)
+    # Get all usernames belonging to the given domains. If a username
+    # ends in @example.com, it belongs to the domain example.com
+    #
+    # This uses a naive loop, but relies only on the existence of a
+    # list_users() method which is guaranteed above. More efficient
+    # implementations can usually be made within the plugin.
+    domains_users = []
+
+    usernames = list_users();
+    domains.each do |d|
+      matches = usernames.select do |username|
+        username =~ /@#{d}$/
+      end
+
+      domains_users += matches
+    end
+
+    return domains_users
+  end
+
 end