Add explicit ordering to samples_tables [SCI-2148][SCI-2149]

app/controllers/user_samples_controller.rb

@@ -1,7 +1,9 @@
 class UserSamplesController < ApplicationController
   def save_samples_table_status
     samples_table = SamplesTable.where(user: @current_user,
-                                       team: params[:team]).first
+                                       team: params[:team])
+                                .order(:id)
+                                .first
     if samples_table
       samples_table.update(status: params[:state])
     else
@@ -20,7 +22,7 @@ class UserSamplesController < ApplicationController
 
   def load_samples_table_status
     samples_table_state = SamplesTable.find_status(current_user,
-                                                   current_team).first
+                                                   current_team)
     if samples_table_state.blank?
       st = SamplesTable.new(user: current_user, team: current_team)
       st.save

app/datatables/sample_datatable.rb

@@ -489,10 +489,7 @@ class SampleDatatable < CustomDatatable
   end
 
   def generate_sortable_displayed_columns
-    sort_order = SamplesTable.where(user: @user,
-                                    team: @team)
-                             .pluck(:status)
-                             .first['ColReorder']
+    sort_order = SamplesTable.find_status(@user, @team)['ColReorder']
 
     sort_order.shift
     sort_order.map! { |i| (i.to_i - 1).to_s }

app/models/samples_table.rb

@@ -3,15 +3,18 @@ class SamplesTable < ApplicationRecord
   belongs_to :team, inverse_of: :samples_tables, optional: true
 
   validates :user, :team, presence: true
-  validates :user, uniqueness: { scope: :team }
 
-  scope :find_status,
-        ->(user, team) { where(user: user, team: team).pluck(:status) }
+  scope :find_status, (lambda do |user, team|
+                         where(user: user, team: team)
+                         .order(:id).pluck(:status).first
+                       end)
 
   def self.update_samples_table_state(custom_field, column_index)
     samples_table = SamplesTable.where(user: custom_field.user,
                                        team: custom_field.team)
-    team_status = samples_table.first['status']
+                                .order(:id)
+                                .first
+    team_status = samples_table['status']
     if column_index
       # delete column
       team_status['columns'].delete(column_index)