Merge pull request #1 from udzura/specify-attachment-color

Add color of attatchment belt option

README.md

@@ -35,6 +35,7 @@ add below lines to config/initializers/exception_notification.rb.
     webhook_url: 'your slack incoming webhook url',
     channel: 'channel you want to being notified to',
     username: 'slacky',
+    color: :danger, # optional, default to :danger
     addtional_parameters: {
       icon_emoji: ':warning:'
     }

lib/exception_notifier/slacky_notifier.rb

@@ -5,6 +5,7 @@ class SlackyNotifier
     def initialize(options)
       begin
         webhook_url = options.fetch(:webhook_url)
+        @color = options.fetch(:color, :danger)
         @message_opts = options.fetch(:additional_parameters, {})
         @notifier = Slack::Notifier.new(webhook_url, options)
       rescue
@@ -37,7 +38,7 @@ def valid?
     def build_attachemnt(exception, options = {})
       {
         fallback: "#{exception.class} #{exception.message}",
-        color: "danger",
+        color: @color.to_s,
         title: "[ERROR] #{exception.class}",
         fields: [
           {