Added seeding for nutrients/readouts column views

app/controllers/body_trackers_controller.rb

@@ -38,6 +38,12 @@ class BodyTrackersController < ApplicationController
     flash[:notice] += ", #{new_quantities > 0 ? new_quantities : "no" } new" \
       " #{'quantity'.pluralize(new_quantities)}"
 
+    ncv = @project.nutrients_column_view
+    if ncv.quantities.count == 0
+      ncv.quantities.append(@project.quantities.roots.first(6))
+      ncv.save!
+    end
+
     # Sources
     available = @project.sources.pluck(:name)
     defaults = Source.where(project: nil).map do |s|

app/models/measurement.rb

@@ -28,6 +28,7 @@ class Measurement < ActiveRecord::Base
     end
   end
 
+  after_create :seed_column_view, if: -> {self.column_view.quantities.count == 0}
   after_save :cleanup_column_view, if: :name_changed?
 
   # Destroy ColumnView after last Measurement destruction
@@ -62,6 +63,13 @@ class Measurement < ActiveRecord::Base
 
   private
 
+  def seed_column_view
+    quantities = self.project.quantities.joins(:readouts).includes(readouts: [:measurement])
+      .where(measurements: {name: self.name}).first(6)
+    self.column_view.quantities.append(quantities)
+    self.column_view.save!
+  end
+
   # Copy/rename ColumnView on Measurement rename
   def cleanup_column_view
     old_column_view = self.project.column_views
@@ -70,7 +78,7 @@ class Measurement < ActiveRecord::Base
 
     if self.project.measurements.exists?(name: self.name_was)
       self.column_view.quantities.append(old_column_view.quantities)
-      self.save!
+      self.column_view.save!
     else
       old_column_view.update!(name: self.name)
     end

app/models/quantity.rb

@@ -16,6 +16,7 @@ class Quantity < ActiveRecord::Base
   acts_as_nested_set dependent: :destroy, scope: :project
   belongs_to :project, required: false
   has_and_belongs_to_many :column_views
+  has_many :readouts
 
   validates :name, presence: true, uniqueness: {scope: :project_id}
   validates :domain, inclusion: {in: domains.keys}