interpolated response (huginn#1682)

app/models/agents/webhook_agent.rb

@@ -88,7 +88,7 @@ def receive_web_request(params, method, format)
         create_event(payload: payload)
       end
 
-      [response_message, code]
+      [interpolated(params)['response'] || 'Event Created', code]
     end
 
     def working?
@@ -108,9 +108,5 @@ def validate_options
     def payload_for(params)
       Utils.value_at(params, interpolated['payload_path']) || {}
     end
-
-    def response_message
-      interpolated['response'] || 'Event Created'
-    end
   end
 end

spec/models/agents/webhook_agent_spec.rb

@@ -49,6 +49,12 @@
       expect(out).to eq(['', 201])
     end
 
+    it 'should respond with interpolated response message if configured with `response` option' do
+      agent.options['response'] = '{{some_key.people[1].name}}'
+      out = agent.receive_web_request({ 'secret' => 'foobar', 'some_key' => payload }, "post", "text/html")
+      expect(out).to eq(['jon', 201])
+    end
+
     it 'should respond with `Event Created` if the response option is nil or missing' do
       agent.options['response'] = nil
       out = agent.receive_web_request({ 'secret' => 'foobar', 'some_key' => payload }, "post", "text/html")