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Adding rake tasks time:zones:all, time:zones:us and time:zones:local for finding time zone names for config.time_zone option

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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9074 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
This commit is contained in:
Geoff Buesing 2008-03-22 01:59:09 +00:00
parent 98d87f38fc
commit f921a96e85
2 changed files with 45 additions and 0 deletions
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2
railties/CHANGELOG
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@ -1,5 +1,7 @@
*SVN*
* Adding rake tasks time:zones:all, time:zones:us and time:zones:local for finding time zone names for config.time_zone option [Geoff Buesing]
* Added support for installing plugins hosted at git repositories #11294 [danger]
* Fixed that script/generate would not look for plugin generators in plugin_paths #11000 [glv]

43
railties/lib/tasks/misc.rake
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@ -8,3 +8,46 @@ desc 'Generate a crytographically secure secret key. This is typically used to g
task :secret do
puts Rails::SecretKeyGenerator.new(ENV['ID']).generate_secret
end
namespace :time do
namespace :zones do
desc 'Displays names of all time zones recognized by the Rails TimeZone class, grouped by offset. Results can be filtered with optional OFFSET parameter, e.g., OFFSET=-6'
task :all => :environment do
build_time_zone_list(:all)
end
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'
task :us => :environment do
build_time_zone_list(:us_zones)
end
desc 'Displays names of time zones recognized by the Rails TimeZone class with the same offset as the system local time'
task :local => :environment do
build_time_zone_list(:all, Time.now.beginning_of_year.utc_offset)
end
# to find UTC -06:00 zones, OFFSET can be set to either -6, -6:00 or 21600
def build_time_zone_list(method, offset = ENV['OFFSET'])
if offset
offset = if offset.to_s.match(/(\+|-)?(\d+):(\d+)/)
sign = $1 == '-' ? -1 : 1
hours, minutes = $2.to_f, $3.to_f
((hours * 3600) + (minutes.to_f * 60)) * sign
elsif offset.to_f.abs <= 13
offset.to_f * 3600
else
offset.to_f
end
end
previous_offset = nil
TimeZone.__send__(method).each do |zone|
if offset.nil? || offset == zone.utc_offset
puts "\n* UTC #{zone.formatted_offset} *" unless zone.utc_offset == previous_offset
puts zone.name
previous_offset = zone.utc_offset
end
end
puts "\n"
end
end
end