Lay the ground works to submit information to Akismet

- New concern `AkismetSubmittable` to allow issues and other `Spammable` models to be submitted to Akismet.
- New model `UserAgentDetail` to store information needed for Akismet.
- Services needed for their creation and tests.

3 files changed, 32 insertions, 0 deletions

diff --git a/app/models/concerns/akismet_submittable.rb b/app/models/concerns/akismet_submittable.rb
new file mode 100644
index 00000000000..17821688941
--- /dev/null
+++ b/app/models/concerns/akismet_submittable.rb
@@ -0,0 +1,15 @@
+module AkismetSubmittable
+  extend ActiveSupport::Concern
+
+  included do
+    has_one :user_agent_detail, as: :subject
+  end
+
+  def can_be_submitted?
+    if user_agent_detail
+      user_agent_detail.submittable?
+    else
+      false
+    end
+  end
+end
diff --git a/app/models/issue.rb b/app/models/issue.rb
index d62ffb21467..6c2635498e5 100644
--- a/app/models/issue.rb
+++ b/app/models/issue.rb
@@ -8,6 +8,7 @@ class Issue < ActiveRecord::Base
   include Taskable
   include Spammable
   include FasterCacheKeys
+  include AkismetSubmittable
 
   DueDateStruct = Struct.new(:title, :name).freeze
   NoDueDate     = DueDateStruct.new('No Due Date', '0').freeze
diff --git a/app/models/user_agent_detail.rb b/app/models/user_agent_detail.rb
new file mode 100644
index 00000000000..6d76dff20e3
--- /dev/null
+++ b/app/models/user_agent_detail.rb
@@ -0,0 +1,16 @@
+class UserAgentDetail < ActiveRecord::Base
+  belongs_to :subject, polymorphic: true
+
+  validates :user_agent,
+            presence: true
+  validates :ip_address,
+            presence: true
+  validates :subject_id,
+            presence: true
+  validates :subject_type,
+            presence: true
+
+  def submittable?
+    user_agent.present? && ip_address.present?
+  end
+end