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Fix quietest_week to correctly calculate the quietest week in a month

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Eugene Burmakin 2025-09-22 22:40:00 +02:00
parent 537cbb7cb5
commit 54a2a29c18
1 changed files with 35 additions and 24 deletions
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59
app/helpers/stats_helper.rb
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@ -128,34 +128,45 @@ module StatsHelper
def quietest_week(stat)
return 'N/A' if stat.daily_distance.empty?
# Create a hash with date as key and distance as value
distance_by_date = stat.daily_distance.to_h.transform_keys do |timestamp|
Time.at(timestamp).in_time_zone(stat.user.timezone || 'UTC').to_date
end
# Initialize variables to track the quietest week
quietest_start_date = nil
quietest_distance = Float::INFINITY
# Iterate through each day of the month to find the quietest week
start_date = distance_by_date.keys.min.beginning_of_month
end_date = distance_by_date.keys.max.end_of_month
(start_date..end_date).each_cons(7) do |week|
week_distance = week.sum { |date| distance_by_date[date] || 0 }
if week_distance < quietest_distance
quietest_distance = week_distance
quietest_start_date = week.first
end
end
distance_by_date = build_distance_by_date_hash(stat)
quietest_start_date = find_quietest_week_start_date(stat, distance_by_date)
return 'N/A' unless quietest_start_date
quietest_end_date = quietest_start_date + 6.days
start_str = quietest_start_date.strftime('%b %d')
end_str = quietest_end_date.strftime('%b %d')
format_week_range(quietest_start_date)
end
private
def build_distance_by_date_hash(stat)
stat.daily_distance.to_h.transform_keys do |day_number|
Date.new(stat.year, stat.month, day_number)
end
end
def find_quietest_week_start_date(stat, distance_by_date)
quietest_start_date = nil
quietest_distance = Float::INFINITY
stat_month_start = Date.new(stat.year, stat.month, 1)
stat_month_end = stat_month_start.end_of_month
(stat_month_start..(stat_month_end - 6.days)).each do |start_date|
week_dates = (start_date..(start_date + 6.days)).to_a
week_distance = week_dates.sum { |date| distance_by_date[date] || 0 }
if week_distance < quietest_distance
quietest_distance = week_distance
quietest_start_date = start_date
end
end
quietest_start_date
end
def format_week_range(start_date)
end_date = start_date + 6.days
start_str = start_date.strftime('%b %d')
end_str = end_date.strftime('%b %d')
"#{start_str} - #{end_str}"
end