Add #answer_yes? and #answer_no?

lib/twilio/rails/configuration.rb

@@ -16,8 +16,8 @@ def initialize
         @spam_filter = nil
         @exception_notifier = nil
         @attach_recordings = true
-        @yes_responses = [ "yes", "accept", "ya", "yeah", "true", "ok", "okay" ]
-        @no_responses = [ "no", "naw", "nah", "reject", "decline", "negative", "not", "false" ]
+        @yes_responses = [ "yes", "accept", "ya", "yeah", "true", "ok", "okay", "yep", "yup", "yes please" ]
+        @no_responses = [ "no", "naw", "nah", "reject", "decline", "negative", "not", "false", "nope", "no thank you", "know" ]
         @message_class_name = "Message"
         @message_class = nil
         @phone_call_class_name = "PhoneCall"
@@ -95,12 +95,14 @@ def initialize
       # @return [true, false, Proc] a boolean or a proc that will be called to return a boolean to determine if reordings will be downloaded.
       attr_accessor :attach_recordings
 
-      # A list of strings to be interpreted as yes or acceptance to a question.
+      # A list of strings to be interpreted as yes or acceptance to a question. Pairs with the
+      # {Twilio::Rails::Phone::TreeMacros#answer_yes?} method.
       #
       # @return [Array<String>] a list of strings to be interpreted as yes or acceptance to a question.
       attr_accessor :yes_responses
 
-      # A list of strings to be interpreted as no or rejection to a question.
+      # A list of strings to be interpreted as no or rejection to a question. Pairs with the
+      # {Twilio::Rails::Phone::TreeMacros#answer_no?} method.
       #
       # @return [Array<String>] a list of strings to be interpreted as no or rejection to a question.
       attr_accessor :no_responses

lib/twilio/rails/phone/tree_macros.rb

@@ -90,13 +90,32 @@ def answers_yes
           Twilio::Rails.config.yes_responses
         end
 
+        # Matches if the entire passed in string is included in the {Twilio::Rails::Configuration#yes_responses} and is
+        # considered a "yes".
+        #
+        # @param filename [String] the string to match against.
+        # @return [true, false] if the passed in string matches.
+        def answer_yes?(string)
+          answers_yes.include?((string || "").downcase.strip.gsub(/[.,!?]/, ""))
+        end
+
         # The list of configured answers that are considered "no" from {Twilio::Rails::Configuration#no_responses}.
         #
         # @return [Array<String>] the list of configured answers that are considered "no".
         def answers_no
           Twilio::Rails.config.no_responses
         end
 
+        # Matches if the entire passed in string is included in the {Twilio::Rails::Configuration#no_responses} and is
+        # considered a "no".
+        #
+        # @param filename [String] the string to match against.
+        # @return [true, false] if the passed in string matches.
+        def answer_no?(string)
+          answers_no.include?((string || "").downcase.strip.gsub(/[.,!?]/, ""))
+        end
+
+
         # Finds and validates the existence of a file in the `public` folder. Formats that link to include the
         # configured hose from {Twilio::Rails::Configuration#host}, and returns a fully qualified URL to the file. This
         # is useful for playing audio files in a `message:` block. If the file is not found

spec/lib/twilio/rails/phone/tree_macros_spec.rb

@@ -84,12 +84,37 @@
     end
   end
 
+  describe "#answer_yes?" do
+    it "is true if the response is in the yes responses" do
+      expect(macros.answer_yes?("Yes please!")).to eq(true)
+      expect(macros.answer_yes?("Yes, please!")).to eq(true)
+      expect(macros.answer_yes?("YES")).to eq(true)
+      expect(macros.answer_yes?(" true ")).to eq(true)
+      expect(macros.answer_yes?("yup")).to eq(true)
+    end
+  end
+
   describe "#answers_no" do
     it "is mapped to the config" do
       expect(macros.answers_no).to eq(Twilio::Rails.config.no_responses)
     end
   end
 
+  describe "#answer_no?" do
+    it "is false if the response is in the no responses" do
+      expect(macros.answer_no?("No thank you!")).to eq(true)
+      expect(macros.answer_no?("No, thank you!")).to eq(true)
+      expect(macros.answer_no?("NO")).to eq(true)
+      expect(macros.answer_no?(" false ")).to eq(true)
+      expect(macros.answer_no?("nope")).to eq(true)
+    end
+
+    it "is false if blank" do
+      expect(macros.answer_no?("")).to eq(false)
+      expect(macros.answer_no?(nil)).to eq(false)
+    end
+  end
+
   describe "#public_file" do
     it "returns the url for the public file" do
       expect(macros.public_file("A440.wav")).to eq("https://example.com/A440.wav")