Allow settings to be enabled/disabled as needed

README.md

@@ -5,7 +5,7 @@ SendgridPostback is a Rails Engine which integrates with the [SendGrid](http://s
 
 It includes a MailInterceptor which will attach a UUID header in all mails before they are sent.
 When properly configured, SendGrid will then post events for each message to your app. You'll
-know when emails are delivered, bounced, delayed, clicked, etc., according to your SendGrid 
+know when emails are delivered, bounced, delayed, clicked, etc., according to your SendGrid
 account configuration.
 
 Note that for performance reasons, you'll probably want to configure your Event API to batch events.
@@ -35,11 +35,26 @@ SendgridPostback.configure do |config|
   # proc that accepts an exception for reporting
   config.report_exception = proc { |exc| ... } # Optional
 
+  # If you're creating Sendgrid UUID yourself, disable the interceptor
+  config.enable_interceptor = false
+
+  # Allow the controller to recieve data over non-ssl connections
+  config.require_ssl = false
+
   # Required proc that returns an instance for the given uuid.
   # The class should mix in SendgridPostback::EventReceiver
   config.find_receiver_by_uuid = proc do |uuid|
     Notification.find_by_uuid(uuid) # for example
   end
+
+  # Sendgrid will post all events to your receiver URL.  If emails are sent
+  # via Sendgrid outside of this application their events will still post back here.
+  # You can specify a model here.
+  # Add a post_general_sendgrid_event(data) method to handle receiving the data as
+  # you please.
+  config.get_general_event_receiver = proc do
+    SendgridReport.new
+  end
 end
 ```
 
@@ -51,7 +66,7 @@ Add the route manually to your routes.rb at the top level, so the declaration ca
 
 ## Usage
 
-Your app should have a class, i.e. an ActiveRecord model, that mixes in SendgridPostback::EventReceiver. 
+Your app should have a class, i.e. an ActiveRecord model, that mixes in SendgridPostback::EventReceiver.
 This module adds attributes that should be persisted, `sendgrid_events` and `sendgrid_state`.
 
 ```ruby

app/controllers/sendgrid_postback/events_controller.rb

@@ -8,16 +8,23 @@ class SendgridPostback::EventsController < ActionController::Metal
   # curl -i -H "Content-Type: application/json" -X POST -d '{"email": "test@gmail.com", "event": "processed"}{"email": "test2@gmail.com", "event": "processed2"}' https://localhost:3000/sendgrid_postback/events
   def create
     SendgridPostback.logger.info "#{self.class}#create event params: #{params[:events].inspect}"
-    unless request.ssl?
+    if SendgridPostback.config.require_ssl && !request.ssl?
       self.response_body = ''
       self.status = :bad_request
       return
     end
 
-    parse_send_grid_events do |data|
-      receiver = SendgridPostback.config.find_receiver_by_uuid.call(data[:uuid])
+    parse_send_grid_events do |data|            
+      receiver = SendgridPostback.config.find_receiver_by_uuid.call(data[:uuid]) if data[:uuid]
+
       if receiver.blank?
-        SendgridPostback.config.report_exception.call("SendgridPostback postback: Notification UUID(#{data[:uuid]}) not found.")
+        general_receiver = SendgridPostback.config.get_general_event_receiver.call
+
+        if general_receiver.blank?
+          SendgridPostback.config.report_exception.call("SendgridPostback postback: Notification UUID(#{data[:uuid]}) not found.")
+        else
+          general_receiver.send(:post_general_sendgrid_event, data)
+        end
       else
         receiver.send(:post_sendgrid_event, data)
       end

lib/sendgrid_postback.rb

@@ -15,10 +15,15 @@ class Config
     attr_accessor :logger
     attr_accessor :report_exception
     attr_accessor :find_receiver_by_uuid
+    attr_accessor :get_general_event_receiver
     attr_accessor :request_path
+    attr_accessor :enable_interceptor
+    attr_accessor :require_ssl
 
     def initialize
       #@report_exception = proc { |exc| }
+      enable_interceptor = true
+      require_ssl = true
     end
   end
 

lib/sendgrid_postback/engine.rb

@@ -10,7 +10,7 @@ class Engine < ::Rails::Engine
     end
 
     config.after_initialize do
-      MailInterceptor.install
+      MailInterceptor.install if SendgridPostback.config.enable_interceptor
     end
 
   end

lib/sendgrid_postback/version.rb

@@ -1,3 +1,3 @@
 module SendgridPostback
-  VERSION = "0.0.1"
+  VERSION = "0.0.2"
 end