448 lines
16 KiB
Ruby
448 lines
16 KiB
Ruby
require 'json'
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require_dependency 'carto/export/layer_exporter'
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require_dependency 'carto/export/data_import_exporter'
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# Version History
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# TODO: documentation at http://cartodb.readthedocs.org/en/latest/operations/exporting_importing_visualizations.html
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# 2: export full visualization. Limitations:
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# - No Odyssey support: export fails if any of parent_id / prev_id / next_id / slide_transition_options are set.
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# - Privacy is exported, but permissions are not.
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# 2.0.1: export Widget.source_id
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# 2.0.2: export username
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# 2.0.3: export state (Carto::State)
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# 2.0.4: export legends (Carto::Legend)
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# 2.0.5: export explicit widget order
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# 2.0.6: export version
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# 2.0.7: export map options
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# 2.0.8: export widget style
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# 2.0.9: export visualization id
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# 2.1.0: export datasets: permissions, user_tables and syncs
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# 2.1.1: export vizjson2 mark
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# 2.1.2: export locked and password
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# 2.1.3: export synchronization id
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module Carto
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module VisualizationsExportService2Configuration
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CURRENT_VERSION = '2.1.3'.freeze
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def compatible_version?(version)
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version.to_i == CURRENT_VERSION.split('.')[0].to_i
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end
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end
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module VisualizationsExportService2Validator
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def check_valid_visualization(visualization)
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raise 'Only derived or canonical visualizations can be exported' unless visualization.derived? ||
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visualization.canonical? ||
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visualization.remote?
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end
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end
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module VisualizationsExportService2Importer
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include VisualizationsExportService2Configuration
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include LayerImporter
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include DataImportImporter
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def build_visualization_from_json_export(exported_json_string)
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build_visualization_from_hash_export(parse_json(exported_json_string))
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end
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def build_visualization_from_hash_export(exported_hash)
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raise 'Wrong export version' unless compatible_version?(exported_hash[:version])
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build_visualization_from_hash(exported_hash[:visualization])
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end
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def marked_as_vizjson2_from_json_export?(exported_json_string)
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marked_as_vizjson2_from_hash_export?(parse_json(exported_json_string))
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end
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def marked_as_vizjson2_from_hash_export?(exported_hash)
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exported_hash[:visualization][:uses_vizjson2]
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end
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private
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def parse_json(exported_json_string)
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JSON.parse(exported_json_string, symbolize_names: true)
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end
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def build_visualization_from_hash(exported_visualization)
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exported_layers = exported_visualization[:layers]
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exported_overlays = exported_visualization[:overlays]
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visualization = Carto::Visualization.new(
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name: exported_visualization[:name],
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description: exported_visualization[:description],
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version: exported_visualization[:version] || 2,
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type: exported_visualization[:type],
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tags: exported_visualization[:tags],
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privacy: exported_visualization[:privacy],
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source: exported_visualization[:source],
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license: exported_visualization[:license],
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title: exported_visualization[:title],
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kind: exported_visualization[:kind],
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attributions: exported_visualization[:attributions],
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bbox: exported_visualization[:bbox],
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display_name: exported_visualization[:display_name],
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map: build_map_from_hash(
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exported_visualization[:map],
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layers: build_layers_from_hash(exported_layers)),
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overlays: build_overlays_from_hash(exported_overlays),
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analyses: exported_visualization[:analyses].map { |a| build_analysis_from_hash(a) },
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permission: build_permission_from_hash(exported_visualization[:permission]),
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mapcaps: [build_mapcap_from_hash(exported_visualization[:mapcap])].compact,
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external_source: build_external_source_from_hash(exported_visualization[:external_source]),
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created_at: exported_visualization[:created_at],
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updated_at: exported_visualization[:updated_at],
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locked: exported_visualization[:locked] || false,
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encrypted_password: exported_visualization[:encrypted_password],
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password_salt: exported_visualization[:password_salt]
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)
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# This is optional as it was added in version 2.0.2
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exported_user = exported_visualization[:user]
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if exported_user
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visualization.user = Carto::User.new(username: exported_user[:username])
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end
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# Added in version 2.0.3
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visualization.state = build_state_from_hash(exported_visualization[:state])
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active_layer_order = exported_layers.index { |l| l[:active_layer] }
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if active_layer_order
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visualization.active_layer = visualization.layers.find { |l| l.order == active_layer_order }
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end
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# Dataset-specific
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user_table = build_user_table_from_hash(exported_visualization[:user_table])
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visualization.map.user_table = user_table if user_table
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visualization.synchronization = build_synchronization_from_hash(exported_visualization[:synchronization])
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visualization.id = exported_visualization[:id] if exported_visualization[:id]
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visualization
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end
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def build_map_from_hash(exported_map, layers:)
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return nil unless exported_map
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Carto::Map.new(
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provider: exported_map[:provider],
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bounding_box_sw: exported_map[:bounding_box_sw],
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bounding_box_ne: exported_map[:bounding_box_ne],
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center: exported_map[:center],
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zoom: exported_map[:zoom],
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view_bounds_sw: exported_map[:view_bounds_sw],
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view_bounds_ne: exported_map[:view_bounds_ne],
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scrollwheel: exported_map[:scrollwheel],
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legends: exported_map[:legends],
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layers: layers,
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options: exported_map[:options]
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)
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end
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def build_overlays_from_hash(exported_overlays)
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return [] unless exported_overlays
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exported_overlays.map.with_index.map do |overlay, i|
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build_overlay_from_hash(overlay, order: (i + 1))
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end
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end
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def build_overlay_from_hash(exported_overlay, order:)
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Carto::Overlay.new(
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order: order,
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options: exported_overlay[:options],
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type: exported_overlay[:type],
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template: exported_overlay[:template]
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)
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end
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def build_analysis_from_hash(exported_analysis)
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return nil unless exported_analysis
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Carto::Analysis.new(analysis_definition: exported_analysis[:analysis_definition])
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end
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def build_state_from_hash(exported_state)
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Carto::State.new(json: exported_state ? exported_state[:json] : nil)
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end
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def build_permission_from_hash(exported_permission)
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return nil unless exported_permission
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Carto::Permission.new(access_control_list: JSON.dump(exported_permission[:access_control_list]))
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end
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def build_synchronization_from_hash(exported_synchronization)
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return nil unless exported_synchronization
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sync = Carto::Synchronization.new(
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name: exported_synchronization[:name],
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interval: exported_synchronization[:interval],
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url: exported_synchronization[:url],
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state: exported_synchronization[:state],
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created_at: exported_synchronization[:created_at],
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updated_at: exported_synchronization[:updated_at],
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run_at: exported_synchronization[:run_at],
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retried_times: exported_synchronization[:retried_times],
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log: build_log_from_hash(exported_synchronization[:log]),
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error_code: exported_synchronization[:error_code],
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error_message: exported_synchronization[:error_message],
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ran_at: exported_synchronization[:ran_at],
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modified_at: exported_synchronization[:modified_at],
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etag: exported_synchronization[:etag],
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checksum: exported_synchronization[:checksum],
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service_name: exported_synchronization[:service_name],
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service_item_id: exported_synchronization[:service_item_id],
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type_guessing: exported_synchronization[:type_guessing],
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quoted_fields_guessing: exported_synchronization[:quoted_fields_guessing],
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content_guessing: exported_synchronization[:content_guessing]
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)
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sync.id = exported_synchronization[:id]
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sync
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end
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def build_user_table_from_hash(exported_user_table)
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return nil unless exported_user_table
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user_table = Carto::UserTable.new
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user_table.name = exported_user_table[:name]
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user_table.privacy = exported_user_table[:privacy]
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user_table.tags = exported_user_table[:tags]
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user_table.geometry_columns = exported_user_table[:geometry_columns]
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user_table.rows_counted = exported_user_table[:rows_counted]
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user_table.rows_estimated = exported_user_table[:rows_estimated]
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user_table.indexes = exported_user_table[:indexes]
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user_table.database_name = exported_user_table[:database_name]
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user_table.description = exported_user_table[:description]
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user_table.table_id = exported_user_table[:table_id]
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user_table.data_import = build_data_import_from_hash(exported_user_table[:data_import])
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user_table
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end
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def build_mapcap_from_hash(exported_mapcap)
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return nil unless exported_mapcap
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Carto::Mapcap.new(
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ids_json: exported_mapcap[:ids_json],
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export_json: exported_mapcap[:export_json],
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created_at: exported_mapcap[:created_at]
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)
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end
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def build_external_source_from_hash(exported_external_source)
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return nil unless exported_external_source
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es = Carto::ExternalSource.new(
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import_url: exported_external_source[:import_url],
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rows_counted: exported_external_source[:rows_counted],
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size: exported_external_source[:size],
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username: exported_external_source[:username],
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geometry_types: exported_external_source[:geometry_types]
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)
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es.id = exported_external_source[:id]
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es
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end
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end
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module VisualizationsExportService2Exporter
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include VisualizationsExportService2Configuration
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include VisualizationsExportService2Validator
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include LayerExporter
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include DataImportExporter
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def export_visualization_json_string(visualization_id, user, with_password: false)
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export_visualization_json_hash(visualization_id, user, with_password: with_password).to_json
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end
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def export_visualization_json_hash(visualization_id, user, with_mapcaps: true, with_password: false)
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{
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version: CURRENT_VERSION,
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visualization: export(Carto::Visualization.find(visualization_id), user,
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with_mapcaps: with_mapcaps, with_password: with_password)
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}
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end
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private
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def export(visualization, user, with_mapcaps: true, with_password: false)
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check_valid_visualization(visualization)
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export_visualization(visualization, user, with_mapcaps: with_mapcaps, with_password: with_password)
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end
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def export_visualization(visualization, user, with_mapcaps: true, with_password: false)
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layers = visualization.layers_with_data_readable_by(user)
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active_layer_id = visualization.active_layer_id
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layer_exports = layers.map do |layer|
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export_layer(layer, active_layer: active_layer_id == layer.id)
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end
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export = {
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id: visualization.id,
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name: visualization.name,
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description: visualization.description,
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version: visualization.version,
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type: visualization.type,
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tags: visualization.tags,
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privacy: visualization.privacy,
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source: visualization.source,
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license: visualization.license,
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title: visualization.title,
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kind: visualization.kind,
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attributions: visualization.attributions,
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bbox: visualization.bbox,
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display_name: visualization.display_name,
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map: export_map(visualization.map),
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layers: layer_exports,
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overlays: visualization.overlays.map { |o| export_overlay(o) },
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analyses: visualization.analyses.map { |a| exported_analysis(a) },
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user: export_user(visualization.user),
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state: export_state(visualization.state),
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permission: export_permission(visualization.permission),
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synchronization: export_syncronization(visualization.synchronization),
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user_table: export_user_table(visualization.map.try(:user_table)),
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uses_vizjson2: visualization.uses_vizjson2?,
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mapcap: with_mapcaps ? export_mapcap(visualization.latest_mapcap) : nil,
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external_source: export_external_source(visualization.external_source),
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created_at: visualization.created_at,
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updated_at: visualization.updated_at,
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locked: visualization.locked
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}
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if with_password
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export[:encrypted_password] = visualization.encrypted_password
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export[:password_salt] = visualization.password_salt
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end
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export
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end
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def export_user(user)
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{
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username: user.username
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}
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end
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def export_map(map)
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return nil unless map
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{
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provider: map.provider,
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bounding_box_sw: map.bounding_box_sw,
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bounding_box_ne: map.bounding_box_ne,
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center: map.center,
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zoom: map.zoom,
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view_bounds_sw: map.view_bounds_sw,
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view_bounds_ne: map.view_bounds_ne,
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scrollwheel: map.scrollwheel,
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legends: map.legends,
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options: map.options
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}
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end
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def export_overlay(overlay)
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{
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options: overlay.options,
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type: overlay.type,
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template: overlay.template
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}
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end
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def exported_analysis(analysis)
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{
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analysis_definition: analysis.analysis_definition
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}
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end
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def export_state(state)
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{
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json: state.json
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}
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end
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def export_permission(permission)
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access_control_list = []
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access_control_list = JSON.parse(permission.access_control_list, symbolize_names: true) if permission
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{ access_control_list: access_control_list }
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end
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def export_syncronization(synchronization)
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return nil unless synchronization
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{
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id: synchronization.id,
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name: synchronization.name,
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interval: synchronization.interval,
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url: synchronization.url,
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state: synchronization.state,
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created_at: synchronization.created_at,
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updated_at: synchronization.updated_at,
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run_at: synchronization.run_at,
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retried_times: synchronization.retried_times,
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log: export_log(synchronization.log),
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error_code: synchronization.error_code,
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error_message: synchronization.error_message,
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ran_at: synchronization.ran_at,
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modified_at: synchronization.modified_at,
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etag: synchronization.etag,
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checksum: synchronization.checksum,
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service_name: synchronization.service_name,
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service_item_id: synchronization.service_item_id,
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type_guessing: synchronization.type_guessing,
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quoted_fields_guessing: synchronization.quoted_fields_guessing,
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content_guessing: synchronization.content_guessing
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}
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end
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def export_user_table(user_table)
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return nil unless user_table
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{
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name: user_table.name,
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privacy: user_table.privacy,
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tags: user_table.tags,
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geometry_columns: user_table.geometry_columns,
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rows_counted: user_table.rows_counted,
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rows_estimated: user_table.rows_estimated,
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indexes: user_table.indexes,
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database_name: user_table.database_name,
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description: user_table.description,
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table_id: user_table.table_id,
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data_import: export_data_import(user_table.data_import)
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}
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end
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def export_external_source(external_source)
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return nil unless external_source
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{
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id: external_source.id,
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import_url: external_source.import_url,
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rows_counted: external_source.rows_counted,
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size: external_source.size,
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username: external_source.username,
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geometry_types: external_source.geometry_types
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}
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end
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def export_mapcap(mapcap)
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return nil unless mapcap
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{
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ids_json: mapcap.ids_json,
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export_json: mapcap.export_json,
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created_at: mapcap.created_at
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}
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end
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end
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# Both String and Hash versions are provided because `deep_symbolize_keys` won't symbolize through arrays
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# and having separated methods make handling and testing much easier.
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class VisualizationsExportService2
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include VisualizationsExportService2Importer
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include VisualizationsExportService2Exporter
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end
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end
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