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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
end
end
module Jekyll
class Post
include Octopress::Date
# Convert this post into a Hash for use in Liquid templates.
#
# Returns <Hash>
def to_liquid
date_format = self.site.config['date_format']
self.data.deep_merge({
"title" => self.data['title'] || self.slug.split('-').select {|w| w.capitalize! || w }.join(' '),
"url" => self.url,
"date" => self.date,
# Monkey patch
"date_formatted" => format_date(self.date, date_format),
"updated_formatted" => self.data.has_key?('updated') ? format_date(self.data['updated'], date_format) : nil,
"id" => self.id,
"categories" => self.categories,
"next" => self.next,
"previous" => self.previous,
"tags" => self.tags,
"content" => self.content })
end
end
class Page
include Octopress::Date
# Initialize a new Page.
#
# site - The Site object.
# base - The String path to the source.
# dir - The String path between the source and the file.
# name - The String filename of the file.
def initialize(site, base, dir, name)
@site = site
@base = base
@dir = dir
@name = name
self.process(name)
self.read_yaml(File.join(base, dir), name)
# Monkey patch
date_format = self.site.config['date_format']
self.data['date_formatted'] = format_date(self.data['date'], date_format) if self.data.has_key?('date')
self.data['updated_formatted'] = format_date(self.data['updated'], date_format) if self.data.has_key?('updated')
end
end
end
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