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54 lines
1.3 KiB
Ruby
54 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class CreateStats
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attr_reader :years, :months, :user
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def initialize(user_id)
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@user = User.find(user_id)
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@years = (1970..Time.current.year).to_a
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@months = (1..12).to_a
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end
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def call
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years.flat_map do |year|
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months.map do |month|
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beginning_of_month_timestamp = DateTime.new(year, month).beginning_of_month.to_i
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end_of_month_timestamp = DateTime.new(year, month).end_of_month.to_i
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points = points(beginning_of_month_timestamp, end_of_month_timestamp)
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next if points.empty?
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stat = Stat.create(year:, month:, user:, distance: distance(points), toponyms: toponyms(points))
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stat.update(daily_distance: stat.distance_by_day) if stat.persisted?
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stat
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end
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end.compact
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end
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private
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def points(beginning_of_month_timestamp, end_of_month_timestamp)
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Point
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.where(timestamp: beginning_of_month_timestamp..end_of_month_timestamp)
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.order(:timestamp)
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.select(:latitude, :longitude, :timestamp, :city, :country)
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end
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def distance(points)
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km = 0
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points.each_cons(2) do
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km += Geocoder::Calculations.distance_between(
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[_1.latitude, _1.longitude], [_2.latitude, _2.longitude], units: :km
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)
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end
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km
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end
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def toponyms(points)
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CountriesAndCities.new(points).call
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end
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end
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