94 lines
2.6 KiB
Ruby
94 lines
2.6 KiB
Ruby
class Champs::CarteController < ApplicationController
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before_action :authenticate_logged_user!
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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, params_feature)
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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, params_feature)
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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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def import
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champ = policy_scope(Champ).find(params[:champ_id])
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params_features.each do |feature|
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geo_area = champ.geo_areas.selections_utilisateur.new
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save_geometry!(geo_area, feature)
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end
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render json: champ.to_feature_collection, status: :created
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end
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private
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def params_feature
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params[:feature]
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end
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def params_features
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params[:features]
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end
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def save_geometry!(geo_area, feature)
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geo_area.geometry = 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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