Measurement/readouts WIP

app/controllers/ingredients_controller.rb

@@ -49,7 +49,7 @@ class IngredientsController < ApplicationController
   end
 
   def toggle
-    @ingredient.update(hidden: !@ingredient.hidden)
+    @ingredient.toggle_hidden!
     prepare_ingredients
   end
 

app/controllers/measurements_controller.rb

@@ -1,11 +1,68 @@
 class MeasurementsController < ApplicationController
+  before_action :find_project_by_project_id, only: [:index, :create]
+  before_action :find_measurement, only: [:destroy, :toggle]
+  before_action :authorize
 
   def index
+    @measurement = @project.measurements.new
+    @measurement.readouts.new
+
+    prepare_measurements
+    @measurements << @measurement
   end
 
   def create
+    @measurement = @project.measurements.new(measurement_params)
+    if @measurement.save
+      flash[:notice] = 'Created newmeasurement'
+      redirect_to :back
+    else
+      prepare_measurements
+      @measurement.readouts.new if @measurement.readouts.empty?
+      render :index
+    end
   end
 
   def destroy
+    # FIXME: don't destroy if there are any readout values
+    if @measurement.destroy
+      flash[:notice] = 'Deleted measurement'
+    end
+    prepare_measurements
+    render :toggle
+  end
+
+  def toggle
+    @measurement.toggle_hidden!
+    prepare_measurements
+  end
+
+  private
+
+  def ingredient_params
+    params.require(:measurement).permit(
+      :name,
+      :source_id,
+      readouts_attributes:
+      [
+        :id,
+        :quantity_id,
+        :unit_id,
+        :_destroy
+      ]
+    )
+  end
+
+  # :find_* methods are called before :authorize,
+  # @project is required for :authorize to succeed
+  def find_measurement
+    @measurement = Measurement.find(params[:id])
+    @project = @measurement.project
+  rescue ActiveRecord::RecordNotFound
+    render_404
+  end
+
+  def prepare_measurements
+    @measurements = @project.measurements.includes(:source)
   end
 end