fix date min max validation

app/models/champs/date_champ.rb

@@ -1,6 +1,19 @@
 class Champs::DateChamp < Champ
   before_validation :convert_to_iso8601, unless: -> { validation_context == :prefill }
   validate :iso_8601
+  validate :min_max_validation
+
+  def min_max_validation
+    return if value.blank?
+
+    if type_de_champ.min.present? && Date.parse(value) < Date.parse(type_de_champ.min)
+      errors.add(:value, :greater_than_or_equal_to, value: value, count: I18n.l(Date.parse(type_de_champ.min), format: :long))
+    end
+    if type_de_champ.max.present? && Date.parse(value) > Date.parse(type_de_champ.max)
+      errors.add(:value, :less_than_or_equal_to, value: value, count: I18n.l(Date.parse(type_de_champ.max), format: :long))
+    end
+  end
+
 
   def search_terms
     # Text search is pretty useless for dates so we’re not including these champs

config/locales/en.yml

@@ -718,6 +718,10 @@ en:
       not_a_date: "must be a correct date"
       not_a_datetime: "must be a correct datetime"
       blank: "can't be blank"
+  date:
+    formats:
+      default: "%B %e, %Y"
+      long: "%B %e, %Y"
   time:
     formats:
       default: "%B %d %Y %R"

config/locales/fr.yml

@@ -730,6 +730,10 @@ fr:
       not_a_date: "doit être une date correctement formatée"
       not_a_datetime: "doit être une date et heure correctement formatée"
       blank: "doit être rempli"
+  date:
+    formats:
+      default: "%d/%m/%Y"
+      long: "%d %B %Y"
   time:
     formats:
       default: "%d %B %Y %R"