X-Git-Url: http://gitweb.michael.orlitzky.com/?p=mailshears.git;a=blobdiff_plain;f=lib%2Fcommon%2Fplugin.rb;h=c6f750bc3f4d4c2f20e1c11c31f372e849afd711;hp=633c8fd26d0c2f4bd467ff3d33aa3a48cc1a93fc;hb=f819b178c5c1cb8adda0182c610e5c52fad8bea7;hpb=483d14dc8228a81d12fb109d3ed6510e2d2b03c1;ds=sidebyside

diff --git a/lib/common/plugin.rb b/lib/common/plugin.rb
index 633c8fd..c6f750b 100644
--- a/lib/common/plugin.rb
+++ b/lib/common/plugin.rb
@@ -1,17 +1,66 @@
+require 'common/domain'
+require 'common/user'
+
 # All plugins should include this module. It defines the basic
 # operations that all plugins are supposed to support.
 module Plugin
 
-  def Plugin.included(c)
-    # Callback, called whenever another class or module includes this
-    # one. The parameter given is the name of the class or module
-    # that included us.
-    @includers ||= []
-    @includers << c
+  module Run
+    # Module methods, meant to be extended. Includers can explicitly
+    # extend this to get a run() method defined in terms of their own
+    # runner() and dummy_runner() methods.
+
+    def included(c)
+      # Callback, called whenever another class or module includes this
+      # one. The parameter given is the name of the class or module
+      # that included us.
+      @includers ||= []
+      @includers << c
+    end
+
+    def includers
+      @includers ||= []
+      return @includers
+    end
+
+    def runner()
+      # The Runner associated with this plugin.
+      raise NotImplementedError
+    end
+
+    def dummy_runner()
+      # The DummyRunner associated with this plugin.
+      raise NotImplementedError
+    end
+
+    def run(cfg, *args)
+      includers().each do |includer|
+        plugin = includer.new(cfg)
+
+        if cfg.i_mean_business then
+          runner = runner().new()
+        else
+          runner = dummy_runner().new()
+        end
+
+        # The splat passes the correct (we hope) number of arguments to the
+        # appropriate runner. The Rm(Dummy)Runner have splats on their
+        # *target arguments as well, to turn ARGV back into an array.
+        runner.run(plugin, *args)
+      end
+    end
   end
 
-  def Plugin.includers
-    return @includers
+  def describe(target)
+    # A generic version of describe_user/describe_domain that
+    # dispatches base on the class of the target.
+    if target.is_a?(User)
+      return describe_user(target)
+    elsif target.is_a?(Domain)
+      return describe_domain(target)
+    else
+      raise NotImplementedError
+    end
   end
 
   def describe_domain(domain)
@@ -21,8 +70,8 @@ module Plugin
     raise NotImplementedError
   end
 
-  def describe_account(account)
-    # Provide a "description" of the account. This is output along
+  def describe_user(user)
+    # Provide a "description" of the user. This is output along
     # with the domain name and can be anything of use to the system
     # administrator.
     raise NotImplementedError
@@ -33,19 +82,28 @@ module Plugin
     raise NotImplementedError
   end
 
+  def user_exists(user)
+    # Does the given username exist for this plugin? We use a naive
+    # implementation here based on list_users() which is required to
+    # exist above. Plugins can override this with something fast.
+    users = list_users()
+    return users.include?(user)
+  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
+    # Get all users belonging to the given domains. If a user has
+    # domainpart "example.com" then 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();
+    users = list_users();
     domains.each do |d|
-      matches = usernames.select do |username|
-        username =~ /@#{d}$/
+      matches = users.select do |user|
+        user.domainpart() == d.to_s()
       end
 
       domains_users += matches