303 lines
10 KiB
Ruby
303 lines
10 KiB
Ruby
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require 'json'
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require 'ejs'
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require_dependency 'carto/table_utils'
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module CartoDB
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# Natural naming would be "Layer", but it collides with Layer class
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module LayerModule
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class Presenter
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include Carto::TableUtils
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EMPTY_CSS = '#dummy{}'
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TORQUE_ATTRS = %w(
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table_name
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user_name
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property
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blendmode
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resolution
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countby
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torque-duration
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torque-steps
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torque-blend-mode
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query
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source
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tile_style
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named_map
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visible
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)
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INFOWINDOW_KEYS = %w(
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fields template_name template alternative_names width maxHeight
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)
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def initialize(layer, options={}, configuration={}, decoration_data={})
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@layer = layer
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@options = options
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@configuration = configuration
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@decoration_data = decoration_data
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end
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def to_vizjson_v2
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if base?(layer)
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with_kind_as_type(layer.public_values).symbolize_keys
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elsif torque?(layer)
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as_torque
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else
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{
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id: layer.id,
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type: 'CartoDB',
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infowindow: infowindow_data_v2,
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tooltip: tooltip_data_v2,
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legend: layer.legend,
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order: layer.order,
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visible: layer.public_values['options']['visible'],
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options: options_data_v2
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}
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end
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end
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# Old layers_controller directly does layer.to_json, but to be uniform with new controller,
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# always call through the presenter at least in tests
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def to_json(*args)
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layer.to_json(*args)
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end
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def to_vizjson_v1
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return layer.public_values.symbolize_keys if base?(layer)
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{
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id: layer.id,
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kind: 'CartoDB',
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infowindow: infowindow_data_v1,
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order: layer.order,
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options: options_data_v1
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}
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end
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def to_poro
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# .merge left for backwards compatibility
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poro = layer.public_values
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return poro unless poro['options']
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# INFO changed to support new presenter's way of sending owner
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if @options[:user] && !poro['options']['user_name'].present?
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user_name = @options[:user].username
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schema_name = @options[:user].sql_safe_database_schema
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elsif poro['options']['user_name'].present?
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user_name = poro['options']['user_name']
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schema_name = poro['options']['user_name']
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end
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if options[:viewer_user] && user_name && poro['options']['table_name']
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# if the table_name already have a schema don't add another one
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# this case happens when you share a layer already shared with you
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if user_name != options[:viewer_user].username && !poro['options']['table_name'].include?('.')
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poro['options']['table_name'] = safe_schema_and_table_quoting(schema_name, poro['options']['table_name'])
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end
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end
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poro
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end
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private
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attr_reader :layer, :options, :configuration
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# Decorates the layer presentation with data if needed. nils on the decoration act as removing the field
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def decorate_with_data(source_hash, decoration_data)
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decoration_data.each { |key, value|
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source_hash[key] = value
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source_hash.delete_if { |k, v|
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v.nil?
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}
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}
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source_hash
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end
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def base?(layer)
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['tiled', 'background', 'gmapsbase', 'wms'].include? layer.kind
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end
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def torque?(layer)
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layer.kind == 'torque'
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end
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def with_kind_as_type(attributes)
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decorate_with_data(attributes.merge(type: attributes.delete('kind')), @decoration_data)
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end
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def as_torque
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api_templates_type = options.fetch(:https_request, false) ? 'private' : 'public'
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layer_options = decorate_with_data(
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# Make torque always have a SQL query too (as vizjson v2)
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layer.options.merge({ 'query' => wrap(sql_from(layer.options), layer.options) }),
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@decoration_data
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)
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{
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id: layer.id,
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type: 'torque',
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order: layer.order,
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legend: layer.legend,
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options: {
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stat_tag: options.fetch(:visualization_id),
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maps_api_template: fix_torque_maps_api_template(ApplicationHelper.maps_api_template(api_templates_type)),
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sql_api_template: ApplicationHelper.sql_api_template(api_templates_type),
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# tiler_* is kept for backwards compatibility
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tiler_protocol: (configuration[:tiler]["public"]["protocol"] rescue nil),
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tiler_domain: (configuration[:tiler]["public"]["domain"] rescue nil),
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tiler_port: (configuration[:tiler]["public"]["port"] rescue nil),
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# sql_api_* is kept for backwards compatibility
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sql_api_protocol: (configuration[:sql_api]["public"]["protocol"] rescue nil),
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sql_api_domain: (configuration[:sql_api]["public"]["domain"] rescue nil),
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sql_api_endpoint: (configuration[:sql_api]["public"]["endpoint"] rescue nil),
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sql_api_port: (configuration[:sql_api]["public"]["port"] rescue nil),
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layer_name: name_for(layer),
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}.merge(
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layer_options.select { |k| TORQUE_ATTRS.include? k })
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}
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end
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def infowindow_data_v1
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with_template(layer.infowindow, layer.infowindow_template_path)
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rescue => e
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CartoDB::Logger.error(exception: e)
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throw e
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end
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def infowindow_data_v2
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whitelisted_infowindow(with_template(layer.infowindow, layer.infowindow_template_path))
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rescue => e
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CartoDB::Logger.error(exception: e)
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throw e
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end
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def tooltip_data_v2
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whitelisted_infowindow(with_template(layer.tooltip, layer.tooltip_template_path))
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rescue => e
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CartoDB::Logger.error(exception: e)
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throw e
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end
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def with_template(infowindow, path)
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# Careful with this logic:
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# - nil means absolutely no infowindow (e.g. a torque)
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# - path = nil or template filled: either pre-filled or custom infowindow, nothing to do here
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# - template and path not nil but template not filled: stay and fill
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return nil if infowindow.nil?
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template = infowindow['template']
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return infowindow if (!template.nil? && !template.empty?) || path.nil?
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infowindow.merge!(template: File.read(path))
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infowindow
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end
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def options_data_v2
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if options[:full]
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decorate_with_data(layer.options, @decoration_data)
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else
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layer_options = layer.options
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data = {
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layer_name: name_for(layer),
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cartocss: css_from(layer.options),
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cartocss_version: layer.options.fetch('style_version'),
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interactivity: layer.options.fetch('interactivity')
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}
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source = layer.options['source']
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if options[:for_named_map] && source
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data[:source] = { id: source }
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else
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data[:sql] = wrap(sql_from(layer.options), layer.options)
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end
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if layer_options['style_properties'] && (layer_options['style_properties']['autogenerated'] == false || layer_options['style_properties']['autogenerated'].nil?)
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sql_wrap = layer_options['sql_wrap'] || layer_options['query_wrapper']
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data['sql_wrap'] = sql_wrap if sql_wrap.present?
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end
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data = decorate_with_data(data, @decoration_data)
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viewer = options[:viewer_user]
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if viewer
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unless data['user_name'] == viewer.username
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data['table_name'] = "\"#{data['user_name']}\".#{data['table_name']}"
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end
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end
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data
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end
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end
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def name_for(layer)
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layer_alias = layer.options.fetch('table_name_alias', nil)
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table_name = layer.options.fetch('table_name')
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return table_name unless layer_alias && !layer_alias.empty?
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layer_alias
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end
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def options_data_v1
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return layer.options if options[:full]
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layer.options.select { |key, value| public_options.include?(key.to_s) }
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end
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def sql_from(options)
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query = options.fetch('query', '')
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return default_query_for(options) if query.nil? || query.empty?
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query
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end
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def css_from(options)
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style = options.include?('tile_style') ? options['tile_style'] : nil
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(style.nil? || style.strip.empty?) ? EMPTY_CSS : options.fetch('tile_style')
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end
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def wrap(query, options)
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wrapper = options.fetch('query_wrapper', nil)
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return query if wrapper.nil? || wrapper.empty?
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EJS.evaluate(wrapper, sql: query)
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end
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def default_query_for(layer_options)
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if options[:viewer_user]
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unless layer_options['user_name'] == options[:viewer_user].username
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name = if layer_options['user_name'] && layer_options['user_name'].include?('-')
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"\"#{layer_options['user_name']}\""
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else
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layer_options['user_name']
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end
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return "select * from #{name}.#{safe_table_name_quoting(layer_options['table_name'])}"
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end
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end
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"select * from #{safe_table_name_quoting(layer_options.fetch('table_name'))}"
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end
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def public_options
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return configuration if configuration.empty?
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configuration.fetch(:layer_opts).fetch("public_opts")
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end
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def whitelisted_infowindow(infowindow)
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infowindow.nil? ? nil : infowindow.select { |key, value|
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INFOWINDOW_KEYS.include?(key) || INFOWINDOW_KEYS.include?(key.to_s)
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}
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end
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def fix_torque_maps_api_template(maps_api_template)
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if visualization_owner_is_table_owner?
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maps_api_template
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else
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# This fixes #9017 avoding Torque request to table owner named map instead of visualization owner.
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# See https://github.com/CartoDB/torque/blob/8a14fe546ac411829b5f52bb575526ad5ecb79f8/lib/torque/provider/windshaft.js#L361
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maps_api_template.gsub('{user}', layer.user.username)
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end
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end
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def visualization_owner_is_table_owner?
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layer.options.nil? || layer.options['user_name'].nil? || layer.user.nil? ||
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layer.options['user_name'] == layer.user.username
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end
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end
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end
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end
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