katafrakt · February 4, 2020 11:26 · Feb 4, 2020 · Feb 3, 2020 · Feb 3, 2020
diff --git a/validation.rb b/validation.rb
@@ -3,7 +3,7 @@
 class ReservationValidation
   include Hanami::Validations
 
-  predicate :before? do |current, other|
+  predicate :before? do |other, current|
     current < other
   end
 

diff --git a/validation.rb b/validation.rb
@@ -3,7 +3,7 @@
 class ReservationValidation
   include Hanami::Validations
 
-  predicate :before?, message: '' do |current, other|
+  predicate :before? do |current, other|
     current < other
   end
 

diff --git a/validation.rb b/validation.rb
@@ -0,0 +1,27 @@
+require 'hanami/validations'
+
+class ReservationValidation
+  include Hanami::Validations
+
+  predicate :before?, message: '' do |current, other|
+    current < other
+  end
+
+  validations do
+    required(:check_in).filled
+    required(:check_out).filled
+
+    rule valid_dates: [:check_in, :check_out] do |check_in, check_out|
+      check_in.before?(check_out)
+    end
+  end
+end
+
+date1 = Date.new(2020,1,20)
+date2 = Date.new(2010,2,1)
+
+ReservationValidation.new(check_in: date1, check_out: date2).validate.success?
+# => true
+
+ReservationValidation.new(check_in: date2, check_out: date1).validate.success?
+# => false
No results found