Remove CreateStats service

app/services/create_stats.rb

@@ -1,73 +0,0 @@
-# frozen_string_literal: true
-
-class CreateStats
-  attr_reader :years, :months, :users
-
-  def initialize(user_ids)
-    @users = User.where(id: user_ids)
-    @years = (1970..Time.current.year).to_a
-    @months = (1..12).to_a
-  end
-
-  def call
-    users.each do |user|
-      years.each do |year|
-        months.each { |month| update_month_stats(user, year, month) }
-      end
-
-      create_stats_updated_notification(user)
-    rescue StandardError => e
-      create_stats_update_failed_notification(user, e)
-    end
-  end
-
-  private
-
-  def points(user, beginning_of_month_timestamp, end_of_month_timestamp)
-    user
-      .tracked_points
-      .without_raw_data
-      .where(timestamp: beginning_of_month_timestamp..end_of_month_timestamp)
-      .order(:timestamp)
-      .select(:latitude, :longitude, :timestamp, :city, :country)
-  end
-
-  def update_month_stats(user, year, month)
-    beginning_of_month_timestamp = DateTime.new(year, month).beginning_of_month.to_i
-    end_of_month_timestamp = DateTime.new(year, month).end_of_month.to_i
-
-    points = points(user, beginning_of_month_timestamp, end_of_month_timestamp)
-
-    return if points.empty?
-
-    stat = Stat.find_or_initialize_by(year:, month:, user:)
-    distance_by_day = stat.distance_by_day
-    stat.daily_distance = distance_by_day
-    stat.distance = distance(distance_by_day)
-    stat.toponyms = toponyms(points)
-    stat.save
-  end
-
-  def distance(distance_by_day)
-    distance_by_day.sum { |d| d[1] }
-  end
-
-  def toponyms(points)
-    CountriesAndCities.new(points).call
-  end
-
-  def create_stats_updated_notification(user)
-    Notifications::Create.new(
-      user:, kind: :info, title: 'Stats updated', content: 'Stats updated'
-    ).call
-  end
-
-  def create_stats_update_failed_notification(user, error)
-    Notifications::Create.new(
-      user:,
-      kind: :error,
-      title: 'Stats update failed',
-      content: "#{error.message}, stacktrace: #{error.backtrace.join("\n")}"
-    ).call
-  end
-end