Support setting retires_on and retirement_warn for services from dialogs

app/models/service/dialog_properties.rb

@@ -1,5 +1,8 @@
 class Service
   class DialogProperties
+    RETIREMENT_FIELD_NAMES = %w(retires_on retires_in_hours retires_in_days retire_on_date).freeze
+    RETIREMENT_WARN_FIELD_NAMES = %w(warn_on warn_in_days warn_in_hours warn_offset_days warn_offset_hours).freeze
+
     def initialize(options)
       @attributes = {}
       @options = options || {}
@@ -16,7 +19,7 @@ def parse
     private
 
     def parse_options
-      %w(name description).each do |field_name|
+      (%w(name description) + RETIREMENT_FIELD_NAMES).each do |field_name|
         dialog_field_name = "dialog_service_#{field_name}"
         dialog_field_value = @options[dialog_field_name]
         parse_value(field_name, dialog_field_name, dialog_field_value) if @options.key?(dialog_field_name)
@@ -36,5 +39,62 @@ def name(value)
     def description(value)
       @attributes[:description] = value if value.present?
     end
+
+    def retires_on(value)
+      self.retire_on_date = Time.zone.parse(value)
+    end
+
+    def retires_in_hours(value)
+      retires_in_duration(value, :hours)
+    end
+
+    def retires_in_days(value)
+      retires_in_duration(value, :days)
+    end
+
+    def retires_in_duration(value, modifier)
+      self.retire_on_date = Time.zone.now + offset_set(value, modifier)
+    end
+
+    def offset_set(value, modifier)
+      value.to_i.send(modifier).tap do |offset|
+        raise "Offset cannot be a zero or negative value" if offset.zero? || offset.negative?
+      end
+    end
+
+    def retire_on_date=(value)
+      @attributes[:retires_on] = value
+      retirement_warning
+    end
+
+    def retirement_warning
+      warn_value = parse_retirement_warn
+      @attributes[:retirement_warn] = warn_value if warn_value
+    end
+
+    def parse_retirement_warn
+      warn_key, value = retirement_warn_properties
+
+      case warn_key
+      when 'warn_on'
+        Time.zone.parse(value)
+      when 'warn_in_days'
+        Time.zone.now + offset_set(value, :days)
+      when 'warn_in_hours'
+        Time.zone.now + offset_set(value, :hours)
+      when 'warn_offset_days'
+        @attributes[:retires_on] - offset_set(value, :days)
+      when 'warn_offset_hours'
+        @attributes[:retires_on] - offset_set(value, :hours)
+      end
+    end
+
+    def retirement_warn_properties
+      RETIREMENT_WARN_FIELD_NAMES.each do |field_name|
+        dialog_field_name = "dialog_service_retirement_#{field_name}"
+
+        return field_name, @options[dialog_field_name] if @options[dialog_field_name].present?
+      end
+    end
   end
 end

spec/models/service/dialog_properties_spec.rb

@@ -32,4 +32,46 @@
       expect(described_class.parse(options)).to eq(:description => 'test description from dialog')
     end
   end
+
+  context 'retires_on' do
+    it 'with invalid time' do
+      options = {'dialog_service_retires_on' => 'xyz'}
+      parsed_results = described_class.parse(options)
+
+      expect(parsed_results[:retires_on]).to be_nil
+      expect(parsed_results[:retirement_warn]).to be_nil
+    end
+
+    it 'with valid time' do
+      time = Time.new(2018, 7, 21, 12, 20, 0, 0)
+      Timecop.freeze(time) do
+        options = {'dialog_service_retires_on' => time.to_s}
+        parsed_results = described_class.parse(options)
+
+        expect(parsed_results[:retires_on]).to eq(time)
+        expect(parsed_results[:retirement_warn]).to be_nil
+      end
+    end
+  end
+
+  context 'retires_in_hours' do
+    it 'with invalid time' do
+      options = {'dialog_service_retires_in_hours' => 'xyz'}
+      parsed_results = described_class.parse(options)
+
+      expect(parsed_results[:retires_on]).to be_nil
+      expect(parsed_results[:retirement_warn]).to be_nil
+    end
+
+    it 'with valid time' do
+      time = Time.new(2018, 7, 21, 12, 20, 0, 0)
+      Timecop.freeze(time) do
+        options = {'dialog_service_retires_in_hours' => 5}
+        parsed_results = described_class.parse(options)
+
+        expect(parsed_results[:retires_on]).to eq(time + 5.hours)
+        expect(parsed_results[:retirement_warn]).to be_nil
+      end
+    end
+  end
 end