49 lines
1.8 KiB
Ruby
49 lines
1.8 KiB
Ruby
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module Carto
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class StaticMapsURLHelper
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def url_for_static_map(request, visualization, map_width, map_height)
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username = CartoDB.extract_subdomain(request)
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request_protocol = request.protocol.sub('://', '')
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static_maps_base_url(username, request_protocol) +
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static_maps_image_url_fragment(visualization.id, map_width, map_height)
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end
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def url_for_static_map_without_request(username, request_protocol, visualization, map_width, map_height)
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static_maps_base_url(username, request_protocol) +
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static_maps_image_url_fragment(visualization.id, map_width, map_height)
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end
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def url_for_static_map_with_visualization(visualization, request_protocol, map_width, map_height)
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static_maps_base_url(visualization.user.username, request_protocol) +
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static_maps_image_url_fragment(visualization.id, map_width, map_height)
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end
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private
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# INFO: Assumes no trailing '/' comes inside, so returned string doesn't has it either
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def static_maps_base_url(username, request_protocol)
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config = get_cdn_config
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if !config.nil? && !config.empty?
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"#{request_protocol}://#{config[request_protocol]}/#{username}"
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else
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# sample format: {protocol}://{user}.{maps_domain}:{port}/
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# All parameters except {user} come already replaced
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ApplicationHelper.maps_api_template('public').sub('{user}', username)
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end
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end
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# INFO: To ease testing while we keep the config in a global array...
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def get_cdn_config
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Cartodb.config[:cdn_url]
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end
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def static_maps_image_url_fragment(visualization_id, width, height)
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template_name = Carto::NamedMaps::Template.new(Carto::Visualization.find(visualization_id)).name
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"/api/v1/map/static/named/#{template_name}/#{width}/#{height}.png"
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end
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end
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end
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