cb8b0ad6ff
We're making sure each feature contains properties in order to avoid possible JavaScript errors. We're also adding a default color to a geozone.
72 lines
1.7 KiB
Ruby
72 lines
1.7 KiB
Ruby
class Geozone < ApplicationRecord
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include Graphqlable
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attribute :color, default: "#0000ff"
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has_many :proposals
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has_many :debates
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has_many :users
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has_many :headings, class_name: "Budget::Heading", dependent: :nullify
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validates :name, presence: true
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validates :geojson, geojson_format: true
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scope :public_for_api, -> { all }
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def self.names
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Geozone.pluck(:name)
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end
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def safe_to_destroy?
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Geozone.reflect_on_all_associations(:has_many).all? do |association|
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association.klass.where(geozone: self).empty?
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end
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end
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def outline_points
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normalized_geojson&.to_json
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end
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private
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def normalized_geojson
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if geojson.present?
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parsed_geojson = JSON.parse(geojson)
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if parsed_geojson["type"] == "FeatureCollection"
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parsed_geojson["features"].each do |feature|
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feature["properties"] ||= {}
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end
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parsed_geojson
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elsif parsed_geojson["type"] == "Feature"
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parsed_geojson["properties"] ||= {}
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wrap_in_feature_collection(parsed_geojson)
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elsif parsed_geojson["geometry"]
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parsed_geojson["properties"] ||= {}
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wrap_in_feature_collection(wrap_in_feature(parsed_geojson["geometry"]))
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elsif parsed_geojson["type"] && parsed_geojson["coordinates"]
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wrap_in_feature_collection(wrap_in_feature(parsed_geojson))
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else
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raise ArgumentError, "Invalid GeoJSON fragment"
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end
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end
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end
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def wrap_in_feature(geometry)
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{
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type: "Feature",
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geometry: geometry,
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properties: {}
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}
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end
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def wrap_in_feature_collection(feature)
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{
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type: "FeatureCollection",
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features: [feature]
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}
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end
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end
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