fix(web): show errors message on create apple developer page

app/models/apple_key.rb

@@ -6,10 +6,10 @@ class AppleKey < ApplicationRecord
   has_many :devices, through: :apple_keys_devices
 
   validates :issuer_id, :key_id, :private_key, :filename, :checksum, presence: true
-  validates :checksum, uniqueness: true, on: :create
-  validate :private_key_format, on: :create
-  validate :appstoreconnect_api_role_permissions, on: :create
-  validate :distribution_certificate, on: :create
+  validates :checksum, uniqueness: true, on: :create, if: :requires_fields?
+  validate :private_key_format, on: :create, if: :requires_fields?
+  validate :appstoreconnect_api_role_permissions, on: :create, if: :requires_fields?
+  validate :distribution_certificate_exists, on: :create, if: :requires_fields?
 
   before_create :generate_checksum
 
@@ -126,7 +126,7 @@ def appstoreconnect_api_role_permissions
     errors.add(:key_id, :unknown, message: "[#{e.class}]: #{e.message}")
   end
 
-  def distribution_certificate
+  def distribution_certificate_exists
     if apple_distribtion_certiticate.blank?
       errors.add(:issuer_id, :missing_distribution_certificate)
     end
@@ -136,6 +136,10 @@ def apple_distribtion_certiticate
     @apple_distribtion_certiticate ||= client.distribution_certificates.to_model
   end
 
+  def requires_fields?
+    issuer_id.present? && key_id.present? || private_key.present?
+  end
+
   def client
     @client ||= TinyAppstoreConnect::Client.new(
       issuer_id: issuer_id,

app/views/admin/apple_keys/_form.html.slim

@@ -7,7 +7,6 @@
     - if @apple_key.new_record?
       = f.input :private_key, as: :file
       - if @apple_key.errors.size > 0
-        = f.input :filename, disabled: true
         = f.input :checksum, disabled: true
     - else
       = f.input :filename, disabled: true