Initial release of Discourse

lib/discourse.rb

@@ -0,0 +1,49 @@
+module Discourse
+
+  # When they try to do something they should be logged in for  
+  class NotLoggedIn < Exception; end
+
+  # When the input is somehow bad
+  class InvalidParameters < Exception; end
+
+  # When they don't have permission to do something
+  class InvalidAccess < Exception; end
+
+  # When something they want is not found
+  class NotFound < Exception; end
+
+
+  # Get the current base URL for the current site
+  def self.current_hostname
+    RailsMultisite::ConnectionManagement.current_hostname
+  end
+
+  def self.base_url
+    protocol = "http"
+    protocol = "https" if SiteSetting.use_ssl?
+    result = "#{protocol}://#{current_hostname}"    
+    result << ":#{SiteSetting.port}" if SiteSetting.port.present?
+    result
+  end  
+
+  def self.enable_maintenance_mode
+    $redis.set maintenance_mode_key, 1
+    true
+  end
+
+  def self.disable_maintenance_mode
+    $redis.del maintenance_mode_key
+    true
+  end
+
+  def self.maintenance_mode?
+    !!$redis.get( maintenance_mode_key )
+  end
+
+
+private
+
+  def self.maintenance_mode_key
+    'maintenance_mode'
+  end
+end