80 lines
3.0 KiB
Ruby
80 lines
3.0 KiB
Ruby
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require_dependency 'carto/uuidhelper'
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module CartoDB
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class TrendingMaps
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include Carto::UUIDHelper
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# The ratio for this sequence is 2
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GEOMETRIC_SEQUENCE_BASE = 500
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DAYS_TO_CHECK = 1
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def get_trending_maps(simulation=false)
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trending_maps = {}
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stats_manager = CartoDB::Stats::APICalls.new
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date = Date.today - DAYS_TO_CHECK.days
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date_key = date.strftime("%Y%m%d")
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$users_metadata.scan_each(:match => "user:*") do |key|
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next if key =~ /global/
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key_parts = key.split(':')
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username = key_parts[1]
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visualization_id = key_parts[4]
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next unless uuid?(visualization_id)
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yesterday_mapviews = stats_manager.get_api_calls_from_redis(
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username,
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from: date,
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to: date,
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stat_tag: visualization_id
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)
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total_mapviews = stats_manager.get_total_api_calls_from_redis(username, visualization_id)
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if is_trending_map?(yesterday_mapviews[date_key], total_mapviews)
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trending_map_data = build_trending_map(visualization_id, username, total_mapviews)
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trending_maps[visualization_id] = trending_map_data unless trending_map_data.blank?
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end
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end
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trending_maps
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end
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def build_trending_map(visualization_id, username, total_mapviews)
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visualization = Carto::Visualization.find(visualization_id)
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{
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user: username,
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user_mail: visualization.user.email,
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user_public_url: visualization.user.public_url,
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mapviews: total_mapviews,
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visualization_name: visualization.name
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}
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rescue StandardError => e
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CartoDB.notify_error("Trending map visualization unknown", visualization: visualization_id, error: e.inspect)
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{}
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end
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def notify_trending_map(visualization_id, mapviews, preview_image = nil)
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::Resque.enqueue(::Resque::UserJobs::Mail::TrendingMap, visualization_id, mapviews, preview_image)
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end
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def send_trending_map_report(trending_visualizations)
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reports_mail_to = Cartodb.get_config(:reports, 'mail_to')
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if reports_mail_to.blank?
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CartoDB.notify_error("Reporter mail_to property missing")
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else
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::Resque.enqueue(
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::Resque::Reporter::Mail::TrendingMapsReport,
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reports_mail_to,
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trending_visualizations
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)
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end
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end
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def is_trending_map?(mapviews_number_before, total_mapviews_today)
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return false if total_mapviews_today < GEOMETRIC_SEQUENCE_BASE
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total_mapviews_yesterday = total_mapviews_today - mapviews_number_before
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geometric_sequence_position_yesterday = Math.log2(total_mapviews_yesterday/GEOMETRIC_SEQUENCE_BASE)
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geometric_sequence_position_today = Math.log2(total_mapviews_today/GEOMETRIC_SEQUENCE_BASE)
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# Base case where yesterday was minor than 500 and now is 500 or more
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return true if geometric_sequence_position_yesterday < 0 && geometric_sequence_position_today >= 0
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geometric_sequence_position_today.to_i > geometric_sequence_position_yesterday.to_i
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end
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end
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end
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