demarches-normaliennes/app/models/champs/carte_champ.rb
2019-08-01 11:38:09 +02:00

119 lines
2.8 KiB
Ruby

class Champs::CarteChamp < Champ
# We are not using scopes here as we want to access
# the following collections on unsaved records.
def cadastres
geo_areas.select do |area|
area.source == GeoArea.sources.fetch(:cadastre)
end
end
def quartiers_prioritaires
geo_areas.select do |area|
area.source == GeoArea.sources.fetch(:quartier_prioritaire)
end
end
def parcelles_agricoles
geo_areas.select do |area|
area.source == GeoArea.sources.fetch(:parcelle_agricole)
end
end
def selection_utilisateur
geo_areas.find(&:selection_utilisateur?)
end
def cadastres?
type_de_champ&.cadastres && type_de_champ.cadastres != '0'
end
def quartiers_prioritaires?
type_de_champ&.quartiers_prioritaires && type_de_champ.quartiers_prioritaires != '0'
end
def parcelles_agricoles?
type_de_champ&.parcelles_agricoles && type_de_champ.parcelles_agricoles != '0'
end
def position
if dossier.present?
dossier.geo_position
else
lon = "2.428462"
lat = "46.538192"
zoom = "13"
{ lon: lon, lat: lat, zoom: zoom }
end
end
def geo_json
@geo_json ||= begin
geo_area = selection_utilisateur
if geo_area
geo_area.geometry
else
geo_json_from_value
end
end
end
def selection_utilisateur_size
if geo_json.present?
geo_json['coordinates'].size
else
0
end
end
def to_render_data
{
position: position,
selection: user_geo_area&.geometry,
quartiersPrioritaires: quartiers_prioritaires? ? quartiers_prioritaires.as_json(except: :properties) : [],
cadastres: cadastres? ? cadastres.as_json(except: :properties) : [],
parcellesAgricoles: parcelles_agricoles? ? parcelles_agricoles.as_json(except: :properties) : []
}
end
def user_geo_area
geo_area = selection_utilisateur
if geo_area.present?
geo_area
elsif geo_json_from_value.present?
GeoArea.new(
geometry: geo_json_from_value,
source: GeoArea.sources.fetch(:selection_utilisateur)
)
end
end
def geo_json_from_value
@geo_json_from_value ||= begin
parsed_value = value.blank? ? nil : JSON.parse(value)
# We used to store in the value column a json array with coordinates.
if parsed_value.is_a?(Array)
# Empty array is sent instead of blank to distinguish between empty and error
if parsed_value.empty?
nil
else
# If it is a coordinates array, format it as a GEO-JSON
JSON.parse(GeojsonService.to_json_polygon_for_selection_utilisateur(parsed_value))
end
else
# It is already a GEO-JSON
parsed_value
end
end
end
def for_api
nil
end
def for_export
nil
end
end