Add faraday middleware

Author: Casao

.gitignore

@@ -1,3 +1,4 @@
 .bundle/
 .idea/
 .ruby-version
+Gemfile.lock

lib/cortex/client.rb

@@ -33,7 +33,7 @@ def get_cc_token
       begin
         client = OAuth2::Client.new(@key, @secret, site: @base_url)
         client.client_credentials.get_token
-      rescue Faraday::ConnectionFailed => e
+      rescue Faraday::ConnectionFailed
         raise Cortex::Exceptions::ConnectionFailed(base_url: @base_url)
       end
     end

lib/cortex/connection.rb

@@ -1,5 +1,6 @@
 require 'faraday'
 require 'faraday_middleware'
+require 'cortex/faraday_middleware'
 
 module Cortex
   module Connection
@@ -16,6 +17,7 @@ def connection
       end
 
       Faraday.new options do |conn|
+        conn.use Cortex::FaradayMiddleware
         conn.request :oauth2, access_token.is_a?(OAuth2::AccessToken) ? access_token.token : access_token
         conn.request :json
         conn.response :json, :content_type => /\bjson$/

lib/cortex/faraday_middleware.rb

@@ -0,0 +1,14 @@
+require 'faraday'
+require 'faraday_middleware'
+
+module Cortex
+  class FaradayMiddleware < Faraday::Middleware
+    def call(env)
+      begin
+        @app.call(env)
+      rescue Faraday::ConnectionFailed
+        raise Cortex::Exceptions::ConnectionFailed(base_url: env[:url])
+      end
+    end
+  end
+end