1 files changed, 22 insertions, 2 deletions
diff --git a/app/models/concerns/issuable.rb b/app/models/concerns/issuable.rb
index 613444e0d70..69d8afc45da 100644
--- a/app/models/concerns/issuable.rb
+++ b/app/models/concerns/issuable.rb
@@ -183,6 +183,10 @@ module Issuable
 
       grouping_columns
     end
+
+    def to_ability_name
+      model_name.singular
+    end
   end
 
   def today?
@@ -211,7 +215,7 @@ module Issuable
     end
   end
 
-  def subscribed_without_subscriptions?(user)
+  def subscribed_without_subscriptions?(user, project)
     participants(user).include?(user)
   end
 
@@ -244,7 +248,18 @@ module Issuable
   #   issuable.class           # => MergeRequest
   #   issuable.to_ability_name # => "merge_request"
   def to_ability_name
-    self.class.to_s.underscore
+    self.class.to_ability_name
+  end
+
+  # Convert this Issuable class name to a format usable by notifications.
+  #
+  # Examples:
+  #
+  #   issuable.class           # => MergeRequest
+  #   issuable.human_class_name # => "merge request"
+
+  def human_class_name
+    @human_class_name ||= self.class.name.titleize.downcase
   end
 
   # Returns a Hash of attributes to be used for Twitter card metadata
@@ -286,6 +301,11 @@ module Issuable
     false
   end
 
+  def assignee_or_author?(user)
+    # We're comparing IDs here so we don't need to load any associations.
+    author_id == user.id || assignee_id == user.id
+  end
+
   def record_metrics
     metrics = self.metrics || create_metrics
     metrics.record!