Create Target and nutrient target table on dashboard.

1 files changed, 68 insertions, 0 deletions

diff --git a/app/controllers/targets_controller.rb b/app/controllers/targets_controller.rb
new file mode 100644
index 0000000..60d3523
--- /dev/null
+++ b/app/controllers/targets_controller.rb
@@ -0,0 +1,68 @@
+class TargetsController < ApplicationController
+  before_action :set_target, only: %i[show edit update]
+
+  def index
+    @targets = Target.order(:name)
+  end
+
+  def new
+    @target = Target.new(name: "Cible #{Date.today + 1.month}")
+    seed_allocations
+  end
+
+  def create
+    @target = Target.new(target_params)
+    if @target.save
+      redirect_to @target, notice: "Cible enregistrée."
+    else
+      seed_allocations if @target.target_allocations.blank?
+      render :new, status: :unprocessable_entity
+    end
+  end
+
+  def edit
+  end
+
+  def update
+    if @target.update(target_params)
+      redirect_to @target, notice: "Cible mise à jour."
+    else
+      render :edit, status: :unprocessable_entity
+    end
+  end
+
+  def show
+    @weighted = @target.weighted_requirements # => { "nno3"=>..., "p"=>..., ... }
+
+    last = NutrientMeasurement.order(measured_on: :desc, created_at: :desc).first
+    @latest_measurements = {}
+
+    if last
+      # Use the same keys as NutrientProfile to keep naming consistent.
+      keys = (NutrientProfile::NUTRIENT_KEYS rescue []).map(&:to_s)
+      keys.each do |k|
+        @latest_measurements[k] = last.send(k) if last.respond_to?(k)
+      end
+    end
+  end
+
+  private
+
+  def set_target
+    @target = Target.find(params[:id])
+  end
+
+  def seed_allocations
+    existing_ids = @target.target_allocations.map(&:nutrient_profile_id).compact
+    (NutrientProfile.order(:name).pluck(:id) - existing_ids).each do |np_id|
+      @target.target_allocations.build(nutrient_profile_id: np_id, percentage: 12.5)
+    end
+  end
+
+  def target_params
+    params.require(:target).permit(
+      :name,
+      target_allocations_attributes: [ :id, :nutrient_profile_id, :percentage, :_destroy ]
+    )
+  end
+end