64 lines
2.0 KiB
Ruby
64 lines
2.0 KiB
Ruby
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module Carto
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class VisualizationInvalidationService
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def initialize(visualization)
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@visualization = visualization
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end
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def invalidate
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invalidate_caches
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invalidate_affected_visualizations if attributes_affecting_visualizations_changed?
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update_or_destroy_named_map
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end
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protected
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def invalidate_caches
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invalidate_embeds_from_redis
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invalidate_vizjson_from_redis
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invalidate_vizjson_from_varnish
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end
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private
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def update_or_destroy_named_map
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return if @visualization.remote?
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named_maps_api = Carto::NamedMaps::Api.new(@visualization.for_presentation)
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if @visualization.destroyed?
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named_maps_api.destroy
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elsif @visualization.data_layers.any?
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named_maps_api.upsert
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end
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end
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def invalidate_affected_visualizations
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return unless @visualization.user_table
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# Invalidate the maps where this table is used. This is needed because the attributions of the datasets used
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# in a map is used in the vizjson, and the description is shown in the public pages/embed.
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# There is no need to invalidate the named maps, as nothing from the dataset is included there.
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@visualization.user_table.dependent_visualizations.each do |affected_visualization|
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VisualizationInvalidationService.new(affected_visualization).invalidate_caches
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end
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end
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def invalidate_embeds_from_redis
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EmbedRedisCache.new($tables_metadata).invalidate(@visualization.id)
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end
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def invalidate_vizjson_from_redis
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CartoDB::Visualization::RedisVizjsonCache.new.invalidate(@visualization.id)
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end
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def invalidate_vizjson_from_varnish
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CartoDB::Varnish.new.purge(".*#{@visualization.id}:vizjson")
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end
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def attributes_affecting_visualizations_changed?
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@visualization.canonical? &&
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(
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@visualization.previous_changes.include?(:description) ||
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@visualization.previous_changes.include?(:attributions)
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)
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end
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end
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end
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