78 lines
2.6 KiB
Ruby
78 lines
2.6 KiB
Ruby
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desc "Generate a cryptographically secure secret key (this is typically used to generate a secret for cookie sessions)."
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task :secret do
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require "securerandom"
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puts SecureRandom.hex(64)
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end
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desc "List versions of all Rails frameworks and the environment"
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task about: :environment do
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puts Rails::Info
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end
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namespace :time do
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desc "List all time zones, list by two-letter country code (`rails time:zones[US]`), or list by UTC offset (`rails time:zones[-8]`)"
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task :zones, :country_or_offset do |t, args|
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zones, offset = ActiveSupport::TimeZone.all, nil
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if country_or_offset = args[:country_or_offset]
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begin
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zones = ActiveSupport::TimeZone.country_zones(country_or_offset)
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rescue TZInfo::InvalidCountryCode
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offset = country_or_offset
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end
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end
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build_time_zone_list zones, offset
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end
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namespace :zones do
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# desc 'Displays all time zones, also available: time:zones:us, time:zones:local -- filter with OFFSET parameter, e.g., OFFSET=-6'
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task :all do
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build_time_zone_list ActiveSupport::TimeZone.all
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end
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# desc 'Displays names of US time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'
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task :us do
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build_time_zone_list ActiveSupport::TimeZone.us_zones
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end
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# desc 'Displays names of time zones recognized by the Rails TimeZone class with the same offset as the system local time'
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task :local do
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require "active_support"
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require "active_support/time"
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jan_offset = Time.now.beginning_of_year.utc_offset
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jul_offset = Time.now.beginning_of_year.change(month: 7).utc_offset
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offset = jan_offset < jul_offset ? jan_offset : jul_offset
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build_time_zone_list(ActiveSupport::TimeZone.all, offset)
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end
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# to find UTC -06:00 zones, OFFSET can be set to either -6, -6:00 or 21600
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def build_time_zone_list(zones, offset = ENV["OFFSET"])
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require "active_support"
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require "active_support/time"
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if offset
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offset = if offset.to_s.match(/(\+|-)?(\d+):(\d+)/)
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sign = $1 == "-" ? -1 : 1
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hours, minutes = $2.to_f, $3.to_f
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((hours * 3600) + (minutes.to_f * 60)) * sign
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elsif offset.to_f.abs <= 13
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offset.to_f * 3600
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else
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offset.to_f
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end
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end
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previous_offset = nil
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zones.each do |zone|
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if offset.nil? || offset == zone.utc_offset
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puts "\n* UTC #{zone.formatted_offset} *" unless zone.utc_offset == previous_offset
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puts zone.name
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previous_offset = zone.utc_offset
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end
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end
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puts "\n"
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end
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end
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end
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