Update railtie to install after known dependencies: SamSaffron/MiniPr…

…ofiler#131

lib/mini_profiler/config.rb

@@ -14,17 +14,17 @@ def self.attributes
 
     attr_accessor :auto_inject, :base_url_path, :pre_authorize_cb, :position,
         :backtrace_remove, :backtrace_includes, :backtrace_ignores, :skip_schema_queries,
-        :storage, :user_provider, :stateless, :storage_instance, :storage_options, :skip_paths, :authorization_mode,
+        :storage, :user_provider, :storage_instance, :storage_options, :skip_paths, :authorization_mode,
         :toggle_shortcut, :start_hidden, :backtrace_threshold_ms, :storage_failure, :logger, :stateless
 
     # Deprecated options
     attr_accessor :use_existing_jquery
 
       def self.default
         new.instance_eval {
-          @auto_inject      = true # automatically inject on every html page
-          @base_url_path    = "/mini-profiler-resources/"
-          @disable_caching  = true
+          @auto_inject = true # automatically inject on every html page
+          @base_url_path = "/mini-profiler-resources/"
+
           # called prior to rack chain, to ensure we are allowed to profile
           @pre_authorize_cb = lambda {|env| true}
 
@@ -38,7 +38,6 @@ def self.default
           @start_hidden           = false
           @backtrace_threshold_ms = 0
           @flamegraph_sample_rate = 0.5
-          @stateless              = false
           @storage_failure = Proc.new do |exception|
             if @logger
               @logger.warn("MiniProfiler storage failure: #{exception.message}")
@@ -47,11 +46,6 @@ def self.default
           @enabled = true
           @disable_env_dump = false
           @stateless = false
-          @storage_failure = Proc.new do |exception|
-            if @logger
-              @logger.warn("MiniProfiler storage failure: #{exception.message}")
-            end
-          end
           self
         }
       end

lib/mini_profiler_rails/railtie.rb

@@ -51,9 +51,6 @@ def self.initialize!(app)
     c.backtrace_includes =  [/^\/?(app|config|lib|test)/]
     c.skip_schema_queries = (Rails.env.development? || Rails.env.test?)
 
-    # Install the Middleware
-    app.middleware.insert(0, Rack::MiniProfiler)
-
     # Attach to various Rails methods
     ActiveSupport.on_load(:action_controller) do
       ::Rack::MiniProfiler.profile_method(ActionController::Base, :process) {|action| "Executing action: #{action}"}
@@ -81,6 +78,18 @@ class Railtie < ::Rails::Railtie
       Rack::MiniProfilerRails.initialize!(app)
     end
 
+    config.after_initialize do |app|
+      # Install the Middleware - wait until all middlewares have been added
+      insert_position = 0
+      insert_after_middlewares = Array(Rack::MiniProfiler.config.insert_after_middlewares)
+
+      app.config.middleware.each_with_index do |middleware, index|
+        insert_position = (index + 1) if insert_after_middlewares.include?(middleware.klass.name)
+      end
+
+      app.middleware.insert(insert_position, Rack::MiniProfiler)
+    end
+
     # TODO: Implement something better here
     # config.after_initialize do
     #