Add champ carte endpoint

app/controllers/champs/carte_controller.rb

@@ -0,0 +1,61 @@
+class Champs::CarteController < ApplicationController
+  before_action :authenticate_logged_user!
+
+  def show
+    @selector = ".carte-#{params[:position]}"
+
+    if params[:dossier].key?(:champs_attributes)
+      geo_json = params[:dossier][:champs_attributes][params[:position]][:value]
+    else
+      geo_json = params[:dossier][:champs_private_attributes][params[:position]][:value]
+    end
+
+    if params[:champ_id].present?
+      @champ = Champ
+        .joins(:dossier)
+        .where(dossiers: { user_id: logged_user_ids })
+        .find_by(id: params[:champ_id])
+    else
+      @champ = Champs::CarteChamp.new(type_de_champ: TypeDeChamp.new(
+        type_champ: TypeDeChamp.type_champs.fetch(:carte),
+        options: {
+          quartiers_prioritaires: true,
+          cadastres: true
+        }
+      ))
+    end
+
+    geo_areas = []
+    geo_json = JSON.parse(geo_json)
+
+    if geo_json.first == ["error", "TooManyPolygons"]
+      @error = true
+    else
+      if @champ.cadastres?
+        cadastres = ModuleApiCartoService.generate_cadastre(geo_json)
+        geo_areas += cadastres.map do |cadastre|
+          cadastre[:source] = GeoArea.sources.fetch(:cadastre)
+          cadastre
+        end
+      end
+
+      if @champ.quartiers_prioritaires?
+        quartiers_prioritaires = ModuleApiCartoService.generate_qp(geo_json)
+        geo_areas += quartiers_prioritaires.map do |qp|
+          qp[:source] = GeoArea.sources.fetch(:quartier_prioritaire)
+          qp
+        end
+      end
+    end
+
+    @champ.geo_areas = geo_areas.map do |geo_area|
+      GeoArea.new(geo_area)
+    end
+
+    @champ.value = geo_json.to_json
+
+    if @champ.persisted?
+      @champ.save
+    end
+  end
+end