webdev.camp/app/models/page.rb

53 lines
1.2 KiB
Ruby

class Page
@@pages = nil
attr_reader :year , :month , :day , :dir , :ext
def initialize(path)
@dir = File.dirname(path)
base , @ext = File.basename(path).split(".")
raise "must be partial, statr with _ not:#{base}" unless base[0] == "_"
@words = base.split("-")
@year = parse_int(@words.shift[1 .. -1] , 2100)
@day = parse_int(@words.shift , 32)
@month = parse_int(@words.shift , 12)
raise "Invalid path #{path}" unless @words
end
def slug
@words.join("-").downcase
end
def title
@words.join(" ")
end
def template_name
"#{date}-#{@words.join("-")}"
end
def date
"#{year}-#{day}-#{month}"
end
def parse_int( value , max)
ret = value.to_i
raise "invalid value #{value} > #{max}" if ret > max or ret < 1
ret
end
def content
File.open("#{@dir}/_#{template_name}.#{ext}" ).read
end
def summary
ret = content.split("%h2").first.gsub("%p", "<br/>").html_safe
ret[0 .. 400]
end
def self.pages
return @@pages if @@pages
@@pages ={}
Dir["#{self.blog_path}/_2*.haml"].reverse.each do |file|
page = Page.new(file)
@@pages[page.slug] = page
end
@@pages
end
def self.blog_path
Rails.configuration.blog_path
end
end