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19 lines
841 B
19 lines
841 B
6 months ago
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namespace :cartodb do
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desc "fixes duplicated unique legends"
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task fix_unique_legends: :environment do
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query = 'SELECT layer_id, count(*) from legends group by layer_id having count(*) > 1'
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ActiveRecord::Base.connection.execute(query).each do |row|
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legends = Carto::Layer.find(row['layer_id']).legends
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legend_types = Carto::Legend::LEGEND_TYPES_PER_ATTRIBUTE.keys
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legends_per_type = legend_types.reduce({}) { |m, o| m.merge(o => []) }
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legend_per_type = legends.reduce(legends_per_type) do |m, legend|
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legend_types.reduce(m) do |m2, t|
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m2[t] << legend if Carto::Legend::LEGEND_TYPES_PER_ATTRIBUTE[t].include?(legend.type)
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m2
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end
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end
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legend_per_type.each { |_, l| l.sort_by(&:updated_at).slice(0..l.count - 2).each(&:destroy) if l.size > 1 }
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end
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end
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end
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