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class SlackService < Service
prop_accessor :webhook, :username, :channel
boolean_accessor :notify_only_broken_builds
validates :webhook, presence: true, url: true, if: :activated?
def initialize_properties
# Custom serialized properties initialization
self.supported_events.each { |event| self.class.prop_accessor(event_channel_name(event)) }
if properties.nil?
self.properties = {}
self.notify_only_broken_builds = true
end
end
def title
'Slack'
end
def description
'A team communication tool for the 21st century'
end
def to_param
'slack'
end
def help
'This service sends notifications to your Slack channel.<br/>
To setup this Service you need to create a new <b>"Incoming webhook"</b> in your Slack integration panel,
and enter the Webhook URL below.'
end
def fields
default_fields =
[
{ type: 'text', name: 'webhook', placeholder: 'https://hooks.slack.com/services/...' },
{ type: 'text', name: 'username', placeholder: 'username' },
{ type: 'text', name: 'channel', placeholder: "#general" },
{ type: 'checkbox', name: 'notify_only_broken_builds' },
]
default_fields + build_event_channels
end
def supported_events
%w(push issue merge_request note tag_push build wiki_page)
end
def execute(data)
return unless supported_events.include?(data[:object_kind])
return unless webhook.present?
object_kind = data[:object_kind]
data = data.merge(
project_url: project_url,
project_name: project_name
)
# WebHook events often have an 'update' event that follows a 'open' or
# 'close' action. Ignore update events for now to prevent duplicate
# messages from arriving.
message = \
case object_kind
when "push", "tag_push"
PushMessage.new(data)
when "issue"
IssueMessage.new(data) unless is_update?(data)
when "merge_request"
MergeMessage.new(data) unless is_update?(data)
when "note"
NoteMessage.new(data)
when "build"
BuildMessage.new(data) if should_build_be_notified?(data)
when "wiki_page"
WikiPageMessage.new(data)
end
opt = {}
event_channel = get_channel_field(object_kind) || channel
opt[:channel] = event_channel if event_channel
opt[:username] = username if username
if message
notifier = Slack::Notifier.new(webhook, opt)
notifier.ping(message.pretext, attachments: message.attachments, fallback: message.fallback)
end
end
def event_channel_names
supported_events.map { |event| event_channel_name(event) }
end
def event_field(event)
fields.find { |field| field[:name] == event_channel_name(event) }
end
def global_fields
fields.reject { |field| field[:name].end_with?('channel') }
end
private
def get_channel_field(event)
field_name = event_channel_name(event)
self.public_send(field_name)
end
def build_event_channels
supported_events.reduce([]) do |channels, event|
channels << { type: 'text', name: event_channel_name(event), placeholder: "#general" }
end
end
def event_channel_name(event)
"#{event}_channel"
end
def project_name
project.name_with_namespace.gsub(/\s/, '')
end
def project_url
project.web_url
end
def is_update?(data)
data[:object_attributes][:action] == 'update'
end
def should_build_be_notified?(data)
case data[:commit][:status]
when 'success'
!notify_only_broken_builds?
when 'failed'
true
else
false
end
end
end
require "slack_service/issue_message"
require "slack_service/push_message"
require "slack_service/merge_message"
require "slack_service/note_message"
require "slack_service/build_message"
require "slack_service/wiki_page_message"
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