demarches-normaliennes/app/models/geo_area.rb

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class GeoArea < ApplicationRecord
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include ActionView::Helpers::NumberHelper
belongs_to :champ, optional: false
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# FIXME: once geo_areas are migrated to not use YAML serialization we can enable store_accessor
# store_accessor :properties, :description, :numero, :section
def properties
value = read_attribute(:properties)
if value.is_a? String
ActiveRecord::Coders::YAMLColumn.new(:properties).load(value)
else
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value || {}
end
end
def description
properties['description']
end
def numero
properties['numero']
end
def section
properties['section']
end
def filename
properties['filename']
end
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enum source: {
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cadastre: 'cadastre',
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selection_utilisateur: 'selection_utilisateur'
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}
scope :selections_utilisateur, -> { where(source: sources.fetch(:selection_utilisateur)) }
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scope :cadastres, -> { where(source: sources.fetch(:cadastre)) }
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validates :geometry, geo_json: true, allow_nil: false
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def to_feature
{
type: 'Feature',
geometry: geometry.deep_symbolize_keys,
properties: cadastre_properties.merge(
source: source,
area: area,
length: length,
description: description,
filename: filename,
id: id,
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champ_label: champ.libelle,
champ_id: champ.stable_id,
champ_row: champ.row_id,
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champ_private: champ.private?,
dossier_id: champ.dossier_id
).compact
}
end
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def label
case source
when GeoArea.sources.fetch(:cadastre)
I18n.t("cadastre", scope: 'geo_area.label', numero: numero, prefixe: prefixe, section: section, surface: surface.round, commune: commune)
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when GeoArea.sources.fetch(:selection_utilisateur)
if polygon?
if area > 0
I18n.t("area", scope: 'geo_area.label', area: number_with_delimiter(area))
else
I18n.t("area_unknown", scope: 'geo_area.label')
end
elsif line?
if length > 0
I18n.t("line", scope: 'geo_area.label', length: number_with_delimiter(length))
else
I18n.t("line_unknown", scope: 'geo_area.label')
end
elsif point?
I18n.t("point", scope: 'geo_area.label', location: location)
end
end
end
def area
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if polygon?
GeojsonService.area(geometry.deep_symbolize_keys).round(1)
end
end
def length
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if line?
GeojsonService.length(geometry.deep_symbolize_keys).round(1)
end
end
def location
if point?
Geo::Coord.new(*geometry['coordinates'][0..1].reverse).to_s
end
end
def line?
geometry['type'] == 'LineString'
end
def polygon?
geometry['type'] == 'Polygon'
end
def point?
geometry['type'] == 'Point'
end
def legacy_cadastre?
cadastre? && properties['surface_intersection'].present?
end
def cadastre?
source == GeoArea.sources.fetch(:cadastre)
end
def cadastre_properties
if cadastre?
{
cid: cid,
numero: numero,
section: section,
prefixe: prefixe,
commune: commune,
surface: surface
}
else
{}
end
end
def code_dep
if legacy_cadastre?
properties['code_dep']
else
properties['commune'][0..1]
end
end
def code_com
if legacy_cadastre?
properties['code_com']
else
properties['commune'][2...commune.size]
end
end
def nom_com
if legacy_cadastre?
properties['nom_com']
else
''
end
end
def surface_intersection
if legacy_cadastre?
properties['surface_intersection']
else
''
end
end
def feuille
if legacy_cadastre?
properties['feuille']
else
1
end
end
def code_arr
prefixe
end
def surface_parcelle
surface
end
def surface
api_surface = if legacy_cadastre?
properties['surface_parcelle']
else
properties['contenance']
end
api_surface ? api_surface : area
end
def prefixe
if legacy_cadastre?
properties['code_arr']
else
properties['prefixe']
end
end
def commune
if legacy_cadastre?
"#{properties['code_dep']}#{properties['code_com']}"
else
properties['commune']
end
end
def cid
if legacy_cadastre?
"#{code_dep}#{code_com}#{code_arr}#{section}#{numero}"
else
properties['id']
end
end
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end