135 lines
3.9 KiB
Ruby
135 lines
3.9 KiB
Ruby
class Champs::CarteController < ApplicationController
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before_action :authenticate_logged_user!
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ERROR_GEO_JSON = ''
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def show
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@selector = ".carte-#{params[:position]}"
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feature_collection = if params[:dossier].key?(:champs_attributes)
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params[:dossier][:champs_attributes][params[:position]][:value]
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else
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params[:dossier][:champs_private_attributes][params[:position]][:value]
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end
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@champ = if params[:champ_id].present?
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policy_scope(Champ).find(params[:champ_id])
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else
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policy_scope(TypeDeChamp).find(params[:type_de_champ_id]).champ.build
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end
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geo_areas = []
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if feature_collection == ERROR_GEO_JSON
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@error = true
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else
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feature_collection = JSON.parse(feature_collection, symbolize_names: true)
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if @champ.cadastres?
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populate_cadastres(feature_collection)
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end
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geo_areas = GeoArea.from_feature_collection(feature_collection)
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end
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if @champ.persisted?
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@champ.update(value: nil, geo_areas: geo_areas)
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end
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rescue ApiCarto::API::ResourceNotFound
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flash.alert = 'Les données cartographiques sont temporairement indisponibles. Réessayez dans un instant.'
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response.status = 503
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end
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def index
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@selector = ".carte-#{params[:champ_id]}"
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@champ = policy_scope(Champ).find(params[:champ_id])
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@update_cadastres = params[:cadastres]
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if @champ.cadastres? && @update_cadastres
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@champ.geo_areas.cadastres.destroy_all
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@champ.geo_areas += GeoArea.from_feature_collection(cadastres_features_collection(@champ.to_feature_collection))
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@champ.save!
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end
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rescue ApiCarto::API::ResourceNotFound
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flash.alert = 'Les données cartographiques sont temporairement indisponibles. Réessayez dans un instant.'
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response.status = 503
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end
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def create
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champ = policy_scope(Champ).find(params[:champ_id])
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geo_area = champ.geo_areas.selections_utilisateur.new
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save_geometry!(geo_area)
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render json: { feature: geo_area.to_feature }, status: :created
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end
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def update
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champ = policy_scope(Champ).find(params[:champ_id])
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geo_area = champ.geo_areas.selections_utilisateur.find(params[:id])
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save_geometry!(geo_area)
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head :no_content
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end
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def destroy
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champ = policy_scope(Champ).find(params[:champ_id])
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champ.geo_areas.selections_utilisateur.find(params[:id]).destroy!
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head :no_content
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end
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private
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def populate_cadastres(feature_collection)
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coordinates = feature_collection[:features].filter do |feature|
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feature[:geometry][:type] == 'Polygon'
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end.map do |feature|
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feature[:geometry][:coordinates][0].map { |(lng, lat)| { 'lng' => lng, 'lat' => lat } }
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end
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if coordinates.present?
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cadastres = ApiCartoService.generate_cadastre(coordinates)
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feature_collection[:features] += cadastres.map do |cadastre|
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{
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type: 'Feature',
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geometry: cadastre.delete(:geometry),
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properties: cadastre.merge(source: GeoArea.sources.fetch(:cadastre))
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}
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end
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end
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end
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def save_geometry!(geo_area)
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geo_area.geometry = params[:feature][:geometry]
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geo_area.save!
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end
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def cadastres_features_collection(feature_collection)
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coordinates = feature_collection[:features].filter do |feature|
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feature[:properties][:source] == GeoArea.sources.fetch(:selection_utilisateur) && feature[:geometry]['type'] == 'Polygon'
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end.map do |feature|
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feature[:geometry]['coordinates'][0].map { |(lng, lat)| { 'lng' => lng, 'lat' => lat } }
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end
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if coordinates.present?
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cadastres = ApiCartoService.generate_cadastre(coordinates)
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{
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type: 'FeatureCollection',
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features: cadastres.map do |cadastre|
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{
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type: 'Feature',
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geometry: cadastre.delete(:geometry),
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properties: cadastre.merge(source: GeoArea.sources.fetch(:cadastre))
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}
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end
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}
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else
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{
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type: 'FeatureCollection',
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features: []
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}
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end
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end
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end
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