93 lines
2 KiB
Ruby
93 lines
2 KiB
Ruby
class GeoArea < ApplicationRecord
|
|
belongs_to :champ
|
|
|
|
store :properties, accessors: [
|
|
:surface_intersection,
|
|
:surface_parcelle,
|
|
:numero,
|
|
:feuille,
|
|
:section,
|
|
:code_dep,
|
|
:nom_com,
|
|
:code_com,
|
|
:code_arr,
|
|
:code,
|
|
:nom,
|
|
:commune,
|
|
:culture,
|
|
:code_culture,
|
|
:surface,
|
|
:bio
|
|
]
|
|
|
|
enum source: {
|
|
quartier_prioritaire: 'quartier_prioritaire',
|
|
cadastre: 'cadastre',
|
|
parcelle_agricole: 'parcelle_agricole',
|
|
selection_utilisateur: 'selection_utilisateur'
|
|
}
|
|
|
|
scope :selections_utilisateur, -> { where(source: sources.fetch(:selection_utilisateur)) }
|
|
scope :quartiers_prioritaires, -> { where(source: sources.fetch(:quartier_prioritaire)) }
|
|
scope :cadastres, -> { where(source: sources.fetch(:cadastre)) }
|
|
scope :parcelles_agricoles, -> { where(source: sources.fetch(:parcelle_agricole)) }
|
|
|
|
def to_feature
|
|
{
|
|
type: 'Feature',
|
|
geometry: geometry,
|
|
properties: properties.symbolize_keys.merge(
|
|
source: source,
|
|
area: area,
|
|
length: length,
|
|
id: id,
|
|
champ_id: champ.stable_id,
|
|
dossier_id: champ.dossier_id
|
|
).compact
|
|
}
|
|
end
|
|
|
|
def rgeo_geometry
|
|
RGeo::GeoJSON.decode(geometry.to_json, geo_factory: RGeo::Geographic.simple_mercator_factory)
|
|
end
|
|
|
|
def self.from_feature_collection(feature_collection)
|
|
feature_collection[:features].map do |feature|
|
|
GeoArea.new(
|
|
source: feature[:properties].delete(:source),
|
|
properties: feature[:properties],
|
|
geometry: feature[:geometry]
|
|
)
|
|
end
|
|
end
|
|
|
|
def area
|
|
if polygon? && RGeo::Geos.supported?
|
|
rgeo_geometry.area.round(1)
|
|
end
|
|
end
|
|
|
|
def length
|
|
if line? && RGeo::Geos.supported?
|
|
rgeo_geometry.length.round(1)
|
|
end
|
|
end
|
|
|
|
def location
|
|
if point?
|
|
Geo::Coord.new(*rgeo_geometry.coordinates).to_s
|
|
end
|
|
end
|
|
|
|
def line?
|
|
geometry['type'] == 'LineString'
|
|
end
|
|
|
|
def polygon?
|
|
geometry['type'] == 'Polygon'
|
|
end
|
|
|
|
def point?
|
|
geometry['type'] == 'Point'
|
|
end
|
|
end
|