accept implicit int type for time filter

CHANGELOG.md

@@ -6,7 +6,10 @@
 - [#392][] - Integer parsing now defaults the base to 10. ([how to upgrade](#integer-parsing-base-now-10))
 - The `inputs` method now returns an `ActiveInteraction::Input` instead of a
   hash. The `ActiveInteraction::Input` still responds to all hash methods.
-- Implicit types are now supported for many filters:
+
+## Added
+
+- Implicit types are now supported in filters:
   - `array` accepts `to_ary`
   - `date` accepts `to_str`
   - `datetime` accepts `to_str`
@@ -16,7 +19,7 @@
   - `integer` accepts `to_int`
   - `string` accepts `to_str`
   - `symbol` accepts `to_sym`
-  - `time` accepts `to_str`
+  - `time` accepts `to_str` and `to_int`
 
 ## Upgrading
 

lib/active_interaction/filters/time_filter.rb

@@ -35,8 +35,9 @@ def initialize(name, options = {}, &block)
     end
 
     def cast(value, _interaction)
-      case value
-      when Numeric
+      value = value.to_int if value.respond_to?(:to_int)
+
+      if value.is_a?(Numeric)
         klass.at(value)
       else
         super

spec/active_interaction/filters/time_filter_spec.rb

@@ -105,6 +105,20 @@ def to_str
       end
     end
 
+    context 'with an implicit Integer' do
+      let(:value) do
+        Class.new do
+          def to_int
+            @to_int ||= rand(1 << 16)
+          end
+        end.new
+      end
+
+      it 'returns the Time' do
+        expect(result).to eql Time.at(value)
+      end
+    end
+
     context 'with a GroupedInput' do
       let(:year) { 2012 }
       let(:month) { 1 }