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module Octopress
module Date
# Returns a datetime if the input is a string
def datetime(date)
if date.class == String
date = Time.parse(date)
end
date
end
# Returns an ordidinal date eg July 22 2007 -> July 22nd 2007
def ordinalize(date)
date = datetime(date)
"#{date.strftime('%b')} #{ordinal(date.strftime('%e').to_i)}, #{date.strftime('%Y')}"
end
# Returns an ordinal number. 13 -> 13th, 21 -> 21st etc.
def ordinal(number)
if (11..13).include?(number.to_i % 100)
"#{number}<span>th</span>"
else
case number.to_i % 10
when 1; "#{number}<span>st</span>"
when 2; "#{number}<span>nd</span>"
when 3; "#{number}<span>rd</span>"
else "#{number}<span>th</span>"
end
end
end
# Formats date either as ordinal or by given date format
# Adds %o as ordinal representation of the day
def format_date(date, format)
date = datetime(date)
if format.nil? || format.empty? || format == "ordinal"
date_formatted = ordinalize(date)
else
date_formatted = date.strftime(format)
date_formatted.gsub!(/%o/, ordinal(date.strftime('%e').to_i))
end
date_formatted
end
# Returns the date-specific liquid attributes
def liquid_date_attributes
date_format = self.site.config['date_format']
date_attributes = {}
date_attributes['date_formatted'] = format_date(self.data['date'], date_format) if self.data.has_key?('date')
date_attributes['updated_formatted'] = format_date(self.data['updated'], date_format) if self.data.has_key?('updated')
date_attributes
end
end
end
module Jekyll
class Post
include Octopress::Date
# Convert this Convertible's data to a Hash suitable for use by Liquid.
# Overrides the default return data and adds any date-specific liquid attributes
alias :super_to_liquid :to_liquid
def to_liquid
super_to_liquid.deep_merge(liquid_date_attributes)
end
end
class Page
include Octopress::Date
# Convert this Convertible's data to a Hash suitable for use by Liquid.
# Overrides the default return data and adds any date-specific liquid attributes
alias :super_to_liquid :to_liquid
def to_liquid
super_to_liquid.deep_merge(liquid_date_attributes)
end
end
end
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