Issue #595: Support Slack notifications upon issue and merge request events

1) Adds a DB migration for all services to toggle on push, issue, and merge events.

2) Upon an issue or merge request event, fire service hooks.

3) Slack service supports custom messages for each of these events. Other services
not supported at the moment.

4) Label merge request hooks with their corresponding actions.

1 files changed, 14 insertions, 0 deletions

diff --git a/app/models/service.rb b/app/models/service.rb
index f4e97da3212..9d6866f26d0 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -11,6 +11,11 @@
 #  active     :boolean          default(FALSE), not null
 #  properties :text
 #  template   :boolean          default(FALSE)
+#  push_events           :boolean
+#  issues_events         :boolean
+#  merge_requests_events :boolean
+#  tag_push_events       :boolean
+#
 
 # To add new service you should build a class inherited from Service
 # and implement a set of methods
@@ -19,6 +24,10 @@ class Service < ActiveRecord::Base
   serialize :properties, JSON
 
   default_value_for :active, false
+  default_value_for :push_events, true
+  default_value_for :issues_events, true
+  default_value_for :merge_requests_events, true
+  default_value_for :tag_push_events, true
 
   after_initialize :initialize_properties
 
@@ -29,6 +38,11 @@ class Service < ActiveRecord::Base
 
   scope :visible, -> { where.not(type: 'GitlabIssueTrackerService') }
 
+  scope :push_hooks, -> { where(push_events: true, active: true) }
+  scope :tag_push_hooks, -> { where(tag_push_events: true, active: true) }
+  scope :issue_hooks, -> { where(issues_events: true, active: true) }
+  scope :merge_request_hooks, -> { where(merge_requests_events: true, active: true) }
+
   def activated?
     active
   end