Validate VisitGroup day order coming out of Step 2 [#128321943]

app/models/service_request.rb

@@ -34,6 +34,7 @@ class ServiceRequest < ActiveRecord::Base
   has_many :tokens, :dependent => :destroy
   has_many :approvals, :dependent => :destroy
   has_many :arms, :through => :protocol
+  has_many :visit_groups, through: :arms
   has_many :notes, as: :notable, dependent: :destroy
 
   after_save :set_original_submitted_date
@@ -112,6 +113,11 @@ def validate_arms
   end
 
   def validate_service_calendar
+    vg = visit_groups.to_a.find { |vg| !vg.in_order? }
+    if vg
+      errors.add(:base, I18n.t('errors.visit_groups.days_out_of_order', arm_name: vg.arm.name))
+    end
+
     if USE_EPIC
       self.arms.each do |arm|
         days = arm.visit_groups.map(&:day)

app/models/visit_group.rb

@@ -25,7 +25,7 @@ class VisitGroup < ActiveRecord::Base
   include Comparable
 
   audited
-  
+
   attr_accessible :name
   attr_accessible :position
   attr_accessible :arm_id
@@ -49,6 +49,10 @@ class VisitGroup < ActiveRecord::Base
             :window_before,
             :window_after,
             presence: true, numericality: { only_integer: true }
+
+  # TODO: fix. Currently, this validation fails for all VisitGroups with
+  # position == 0. This fails because the position attribute is changed
+  # to 1 from 0 by, I think, acts_as_list before validations are performed.
   validate :day_must_be_in_order
 
   def set_arm_edited_flag_on_subjects
@@ -79,9 +83,16 @@ def any_visit_quantities_customized?(service_request)
     visits.any? { |visit| ((visit.quantities_customized?) && (visit.line_items_visit.line_item.service_request_id == service_request.id)) }
   end
 
+  # TODO: remove after day_must_be_in_order validation is fixed.
+  def in_order?
+    position_col = VisitGroup.arel_table[:position]
+    day_col = VisitGroup.arel_table[:day]
+    arm.visit_groups.where(position_col.lt(position).and(day_col.gteq(day)).or(
+                           position_col.gt(position).and(day_col.lteq(day)))).none?
+  end
 
   private
-  
+
   def remove_appointments
     appointments = self.appointments
     appointments.each do |app|
@@ -94,10 +105,7 @@ def remove_appointments
   end
 
   def day_must_be_in_order
-    position_col = VisitGroup.arel_table[:position]
-    day_col = VisitGroup.arel_table[:day]
-    if arm.visit_groups.where(position_col.lt(position).and(day_col.gteq(day)).or(
-                              position_col.gt(position).and(day_col.lteq(day)))).any?
+    unless in_order?
       errors.add(:day, 'must be in order')
     end
   end

config/locales/en.yml

@@ -542,6 +542,8 @@ en:
       displayed_cost_gte_zero: 'must be greater than or equal to 0'
     line_items_visits:
       subject_count_invalid: "Subject Count cannot exceed the Arm Subject Count (%{arm_subject_count})"
+    visit_groups:
+      days_out_of_order: "Please make sure visit days are in sequential order (%{arm_name})."
     protocols:
       start_date_missing: "Start Date can\'t be blank"
       end_date_missing: "End Date can\'t be blank"