Add a service to support external wikis

2 files changed, 49 insertions, 0 deletions

diff --git a/app/models/project.rb b/app/models/project.rb
index c45338bf4eb..5fbda1ae86c 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -93,6 +93,7 @@ class Project < ActiveRecord::Base
   has_one :forked_project_link, dependent: :destroy, foreign_key: "forked_to_project_id"
 
   has_one :forked_from_project, through: :forked_project_link
+  has_one :external_wiki_service, dependent: :destroy
   # Merge Requests for target project should be removed with it
   has_many :merge_requests,     dependent: :destroy, foreign_key: 'target_project_id'
   # Merge requests from source project should be kept when source project was removed
diff --git a/app/models/project_services/external_wiki_service.rb b/app/models/project_services/external_wiki_service.rb
new file mode 100644
index 00000000000..e521186798c
--- /dev/null
+++ b/app/models/project_services/external_wiki_service.rb
@@ -0,0 +1,48 @@
+# == Schema Information
+#
+# Table name: services
+#
+#  id         :integer          not null, primary key
+#  type       :string(255)
+#  title      :string(255)
+#  project_id :integer          not null
+#  created_at :datetime
+#  updated_at :datetime
+#  active     :boolean          default(FALSE), not null
+#  properties :text
+#
+
+class ExternalWikiService < Service
+  include HTTParty
+
+  prop_accessor :external_wiki_url
+  validates :external_wiki_url,
+            presence: true,
+            format: { with: URI::regexp },
+            if: :activated?
+
+  def title
+    'External Wiki'
+  end
+
+  def description
+    'Replaces the link to the internal wiki with a link to an external wiki.'
+  end
+
+  def to_param
+    'external_wiki'
+  end
+
+  def fields
+    [
+      { type: 'text', name: 'external_wiki_url', placeholder: 'The URL of the external Wiki' },
+    ]
+  end
+
+  def execute(_data)
+    @response = HTTParty.get(properties['external_wiki_url'], verify: true) rescue nil
+    if @response !=200
+      nil
+    end
+  end
+end