Class: GaEvents::Middleware
- Inherits:
-
Object
- Object
- GaEvents::Middleware
- Defined in:
- lib/ga_events/middleware.rb
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app) ⇒ Middleware
constructor
A new instance of Middleware.
Constructor Details
#initialize(app) ⇒ Middleware
Returns a new instance of Middleware.
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# File 'lib/ga_events/middleware.rb', line 5 def initialize(app) @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/ga_events/middleware.rb', line 9 def call(env) init_event_list(env) status, headers, response = @app.call(env) headers = Rack::Utils::HeaderHash.new(headers) if GaEvents::List.present? request = Rack::Request.new(env) # Can outgrow, headers might get too big serialized = GaEvents::List.to_s if request.xhr? # AJAX request headers['X-GA-Events'] = serialized elsif (300..399).include?(status) # 30x/redirect? Then add event list to flash to survive the redirect. add_events_to_flash(env, serialized) elsif html?(status, headers) response = inject_div(response, serialized) end end [status, headers, response] end |