DGNum/demarches-normaliennes
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always validate geometries returned from api

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This commit is contained in:
Paul Chavard 2020-10-08 16:02:52 +02:00
parent 3fe1e75c36
commit 7c58f06c60
6 changed files with 104 additions and 46 deletions
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2
app/graphql/types/geo_area_type.rb
View file

@ -14,7 +14,7 @@ module Types
global_id_field :id
field :source, GeoAreaSource, null: false
field :geometry, Types::GeoJSON, null: false
field :geometry, Types::GeoJSON, null: false, method: :safe_geometry
definition_methods do
def resolve_type(object, context)

6
app/models/geo_area.rb
View file

@ -49,7 +49,7 @@ class GeoArea < ApplicationRecord
def to_feature
{
type: 'Feature',
geometry: geometry,
geometry: safe_geometry,
properties: properties.symbolize_keys.merge(
source: source,
area: area,
@ -61,6 +61,10 @@ class GeoArea < ApplicationRecord
}
end
def safe_geometry
RGeo::GeoJSON.encode(rgeo_geometry)
end
def rgeo_geometry
RGeo::GeoJSON.decode(geometry.to_json, geo_factory: RGeo::Geographic.simple_mercator_factory)
rescue RGeo::Error::InvalidGeometry

2
app/serializers/champ_serializer.rb
View file

@ -13,7 +13,7 @@ class ChampSerializer < ActiveModel::Serializer
def value
case object
when GeoArea
object.geometry
object.safe_geometry
else
object.for_api
end

4
app/serializers/geo_area_serializer.rb
View file

@ -20,6 +20,10 @@ class GeoAreaSerializer < ActiveModel::Serializer
attribute :surface, if: :include_parcelle_agricole?
attribute :bio, if: :include_parcelle_agricole?
def geometry
object.safe_geometry
end
def include_cadastre?
object.source == GeoArea.sources.fetch(:cadastre)
end

65
spec/factories/geo_area.rb
View file

@ -57,6 +57,71 @@ FactoryBot.define do
end
end
trait :polygon_with_extra_coordinate do
geometry do
{
"type": "Polygon",
"coordinates": [
[
[2.428439855575562, 46.538476837725796, 0],
[2.4284291267395024, 46.53842148758162, 0],
[2.4282521009445195, 46.53841410755813, 0],
[2.42824137210846, 46.53847314771794, 0],
[2.428284287452698, 46.53847314771794, 0],
[2.428364753723145, 46.538487907747864, 0],
[2.4284291267395024, 46.538491597754714, 0],
[2.428439855575562, 46.538476837725796, 0]
]
]
}
end
end
trait :invalid_multi_polygon do
geometry do
{
"type": "MultiPolygon",
"coordinates": [
[
[
[5.894422531127931, 48.22810341752755],
[5.893049240112306, 48.22427237832278],
[5.892534255981446, 48.22593062452037],
[5.892791748046875, 48.2260449843468],
[5.894422531127931, 48.229933066408215],
[5.894422531127931, 48.22810341752755]
]
],
[
[
[5.8950233459472665, 48.229933066408215],
[5.893478393554688, 48.228961073585126],
[5.892791748046875, 48.228903896961775],
[5.892705917358398, 48.230390468407535],
[5.8950233459472665, 48.229933066408215]
]
],
[
[
[5.893220901489259, 48.229246955743626],
[5.893392562866212, 48.22884672027457],
[5.892705917358398, 48.22878954352343],
[5.892019271850587, 48.22856083588024],
[5.892019271850587, 48.2277031731152],
[5.890989303588868, 48.22787470681807],
[5.889959335327149, 48.22787470681807],
[5.890560150146485, 48.22838930447709],
[5.890645980834962, 48.22878954352343],
[5.890989303588868, 48.229018250144584],
[5.892362594604493, 48.22930413198368],
[5.893220901489259, 48.229246955743626]
]
]
]
}
end
end
trait :line_string do
geometry do
{

71
spec/models/geo_area_spec.rb
View file

@ -24,53 +24,38 @@ RSpec.describe GeoArea, type: :model do
end
describe '#rgeo_geometry' do
let(:geo_area) { build(:geo_area, geometry: geometry) }
let(:geo_area) { build(:geo_area, :polygon) }
let(:polygon) do
{
"type" => "Polygon",
"coordinates" => [
[
[2.428439855575562, 46.538476837725796],
[2.4284291267395024, 46.53842148758162],
[2.4282521009445195, 46.53841410755813],
[2.42824137210846, 46.53847314771794],
[2.428284287452698, 46.53847314771794],
[2.428364753723145, 46.538487907747864],
[2.4284291267395024, 46.538491597754714],
[2.428439855575562, 46.538476837725796]
]
]
}
end
it { expect(geo_area.geometry).to eq(polygon) }
context 'invalid' do
let(:geometry) do
{
"type" => "MultiPolygon",
"coordinates" => [
[
[
[5.894422531127931, 48.22810341752755],
[5.893049240112306, 48.22427237832278],
[5.892534255981446, 48.22593062452037],
[5.892791748046875, 48.2260449843468],
[5.894422531127931, 48.229933066408215],
[5.894422531127931, 48.22810341752755]
]
],
[
[
[5.8950233459472665, 48.229933066408215],
[5.893478393554688, 48.228961073585126],
[5.892791748046875, 48.228903896961775],
[5.892705917358398, 48.230390468407535],
[5.8950233459472665, 48.229933066408215]
]
],
[
[
[5.893220901489259, 48.229246955743626],
[5.893392562866212, 48.22884672027457],
[5.892705917358398, 48.22878954352343],
[5.892019271850587, 48.22856083588024],
[5.892019271850587, 48.2277031731152],
[5.890989303588868, 48.22787470681807],
[5.889959335327149, 48.22787470681807],
[5.890560150146485, 48.22838930447709],
[5.890645980834962, 48.22878954352343],
[5.890989303588868, 48.229018250144584],
[5.892362594604493, 48.22930413198368],
[5.893220901489259, 48.229246955743626]
]
]
]
}
end
let(:geo_area) { build(:geo_area, :invalid_multi_polygon) }
it { expect(geo_area.rgeo_geometry).to be_nil }
end
context 'polygon_with_extra_coordinate' do
let(:geo_area) { build(:geo_area, :polygon_with_extra_coordinate) }
it { expect(geo_area.geometry).not_to eq(polygon) }
it { expect(geo_area.safe_geometry).to eq(polygon) }
end
end
end