252 lines
8.5 KiB
Ruby
252 lines
8.5 KiB
Ruby
# frozen_string_literal: true
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namespace :reporting_events_rollup do
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desc 'Backfill rollup table from historical reporting events'
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task backfill: :environment do
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ReportingEventsRollupBackfill.new.run
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end
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end
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class ReportingEventsRollupBackfill # rubocop:disable Metrics/ClassLength
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def run
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print_header
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account = prompt_account
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timezone = resolve_timezone(account)
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first_event, last_event = discover_events(account)
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start_date, end_date, total_days = resolve_date_range(account, timezone, first_event, last_event)
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dry_run = prompt_dry_run?
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print_plan(account, timezone, start_date, end_date, total_days, first_event, last_event, dry_run)
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return if dry_run
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confirm_and_execute(account, start_date, end_date, total_days)
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end
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private
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def print_header
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puts ''
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puts color('=' * 70, :cyan)
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puts color('Reporting Events Rollup Backfill', :bold, :cyan)
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puts color('=' * 70, :cyan)
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puts color('Plan:', :bold, :yellow)
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puts '1. Ensure account.reporting_timezone is set before running this task.'
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puts '2. Wait for the current day to end in that account timezone.'
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puts '3. Run backfill for closed days only (today is skipped by default).'
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puts '4. Verify parity, then enable reporting_events_rollup read path.'
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puts ''
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puts color('Note:', :bold, :yellow)
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puts '- This task always uses account.reporting_timezone.'
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puts '- Default range is first event day -> yesterday (in account timezone).'
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puts ''
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end
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def prompt_account
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print 'Enter Account ID: '
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account_id = $stdin.gets.chomp
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abort color('Error: Account ID is required', :red, :bold) if account_id.blank?
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account = Account.find_by(id: account_id)
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abort color("Error: Account with ID #{account_id} not found", :red, :bold) unless account
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puts color("Found account: #{account.name}", :gray)
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puts ''
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account
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end
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def resolve_timezone(account)
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timezone = account.reporting_timezone
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abort color("Error: Account #{account.id} must have reporting_timezone set", :red, :bold) if timezone.blank?
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abort color("Error: Account #{account.id} has invalid reporting_timezone '#{timezone}'", :red, :bold) if ActiveSupport::TimeZone[timezone].blank?
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puts color("Using account reporting timezone: #{timezone}", :gray)
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puts ''
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timezone
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end
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def discover_events(account)
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first_event = account.reporting_events.order(:created_at).first
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last_event = account.reporting_events.order(:created_at).last
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if first_event.nil?
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puts ''
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puts "No reporting events found for account #{account.id}"
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puts 'Nothing to backfill.'
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exit(0)
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end
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[first_event, last_event]
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end
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def resolve_date_range(account, timezone, first_event, last_event)
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dates = discovered_dates(timezone, first_event, last_event)
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print_discovered_date_range(account, dates)
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build_date_range(dates)
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end
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def prompt_dry_run?
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print 'Dry run? (y/N): '
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input = $stdin.gets.chomp.downcase
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puts ''
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%w[y yes].include?(input)
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end
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# rubocop:disable Metrics/ParameterLists
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def print_plan(account, timezone, start_date, end_date, total_days, first_event, last_event, dry_run)
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zone = ActiveSupport::TimeZone[timezone]
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print_plan_summary(account, timezone, start_date, end_date, total_days, zone, first_event, last_event, dry_run)
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return unless dry_run
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puts color("DRY RUN MODE: Would process #{total_days} days", :yellow, :bold)
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puts "Would use account reporting_timezone '#{timezone}'"
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puts 'Run without dry run to execute backfill'
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end
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# rubocop:enable Metrics/ParameterLists
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def print_plan_summary(account, timezone, start_date, end_date, total_days, zone, first_event, last_event, dry_run) # rubocop:disable Metrics/ParameterLists
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puts color('=' * 70, :cyan)
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puts color('Backfill Plan Summary', :bold, :cyan)
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puts color('=' * 70, :cyan)
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puts "Account: #{account.name} (ID: #{account.id})"
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puts "Timezone: #{timezone}"
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puts "Date Range: #{start_date} to #{end_date} (#{total_days} days)"
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puts "First Event: #{format_event_time(first_event, zone)}"
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puts "Last Event: #{format_event_time(last_event, zone)}"
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puts "Dry Run: #{dry_run ? 'YES (no data will be written)' : 'NO'}"
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puts color('=' * 70, :cyan)
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puts ''
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end
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def format_event_time(event, zone)
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event.created_at.in_time_zone(zone).strftime('%Y-%m-%d %H:%M:%S %Z')
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end
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def discovered_dates(timezone, first_event, last_event)
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tz = ActiveSupport::TimeZone[timezone]
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discovered_start = first_event.created_at.in_time_zone(tz).to_date
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discovered_end = last_event.created_at.in_time_zone(tz).to_date
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{
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discovered_start: discovered_start,
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discovered_end: discovered_end,
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discovered_days: (discovered_end - discovered_start).to_i + 1,
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default_end: [discovered_end, Time.current.in_time_zone(tz).to_date - 1.day].min
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}
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end
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def print_discovered_date_range(account, dates)
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message = "Discovered date range: #{dates[:discovered_start]} to #{dates[:discovered_end]} " \
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"(#{dates[:discovered_days]} days) [Account: #{account.name}]"
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puts color(message, :gray)
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puts color("Default end date (excluding today): #{dates[:default_end]}", :gray)
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puts ''
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end
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def build_date_range(dates)
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start_date = dates[:discovered_start]
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end_date = dates[:default_end]
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total_days = (end_date - start_date).to_i + 1
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abort_no_closed_days if total_days <= 0
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[start_date, end_date, total_days]
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end
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def abort_no_closed_days
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puts 'No closed days available to backfill in the default range.'
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exit(0)
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end
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def confirm_and_execute(account, start_date, end_date, total_days)
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if total_days > 730
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puts color("WARNING: Large backfill detected (#{total_days} days / #{(total_days / 365.0).round(1)} years)", :yellow, :bold)
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puts ''
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end
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print 'Proceed with backfill? (y/N): '
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confirm = $stdin.gets.chomp.downcase
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abort 'Backfill cancelled' unless %w[y yes].include?(confirm)
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puts ''
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execute_backfill(account, start_date, end_date, total_days)
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end
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def execute_backfill(account, start_date, end_date, total_days)
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puts 'Processing dates...'
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puts ''
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start_time = Time.current
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days_processed = 0
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(start_date..end_date).each do |date|
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ReportingEvents::BackfillService.backfill_date(account, date)
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days_processed += 1
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percentage = (days_processed.to_f / total_days * 100).round(1)
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print "\r#{date} | #{days_processed}/#{total_days} days | #{percentage}% "
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$stdout.flush
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end
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print_success(account, days_processed, total_days, Time.current - start_time)
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rescue StandardError => e
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print_failure(e, days_processed, total_days)
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end
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def print_success(account, days_processed, _total_days, elapsed_time)
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puts "\n\n"
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puts color('=' * 70, :green)
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puts color('BACKFILL COMPLETE', :bold, :green)
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puts color('=' * 70, :green)
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puts "Total Days Processed: #{days_processed}"
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puts "Total Time: #{elapsed_time.round(2)} seconds"
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puts "Average per Day: #{(elapsed_time / days_processed).round(3)} seconds"
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puts ''
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puts 'Next steps:'
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puts "1. Enable feature flag: Account.find(#{account.id}).enable_features!('reporting_events_rollup')"
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puts '2. Verify rollups in database:'
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puts " ReportingEventsRollup.where(account_id: #{account.id}).count"
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puts '3. Test reports to compare rollup vs raw performance'
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puts color('=' * 70, :green)
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end
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def print_failure(error, days_processed, total_days)
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puts "\n\n"
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puts color('=' * 70, :red)
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puts color('BACKFILL FAILED', :bold, :red)
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puts color('=' * 70, :red)
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print_error_details(error)
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print_progress(days_processed, total_days)
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exit(1)
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end
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def print_error_details(error)
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puts color("Error: #{error.class.name} - #{error.message}", :red, :bold)
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puts ''
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puts 'Stack trace:'
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puts error.backtrace.first(10).map { |line| " #{line}" }.join("\n")
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puts ''
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end
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def print_progress(days_processed, total_days)
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percentage = (days_processed.to_f / total_days * 100).round(1)
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puts "Processed: #{days_processed}/#{total_days} days (#{percentage}%)"
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puts color('=' * 70, :red)
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end
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ANSI_COLORS = {
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reset: "\e[0m",
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bold: "\e[1m",
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red: "\e[31m",
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green: "\e[32m",
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yellow: "\e[33m",
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cyan: "\e[36m",
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gray: "\e[90m"
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}.freeze
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def color(text, *styles)
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return text unless $stdout.tty?
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codes = styles.filter_map { |style| ANSI_COLORS[style] }.join
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"#{codes}#{text}#{ANSI_COLORS[:reset]}"
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end
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end
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