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Contents
require 'backpack_api'
require 'redcloth'
# Example:
#
# backpack = Backpack.new('<nick>', '<token>'[, '<page id>'])
# backpack.items.each do |item|
# puts "#{item.title} @ #{item.link} updated at #{item.date}"
# end
#
class Backpack
attr_accessor :username, :token, :page_id, :items, :title
# This object holds given information of an item
class BackpackItem < Struct.new(:completed, :id, :content)
def to_s
# Use REXML::Text#value as a workaround for entity decoding
RedCloth.new(REXML::Text.new(self.content).value).to_html(:textile).gsub(/^<p>|<\/p>$/, '')
end
end
# Pass the username, token, and page id for the Backpack page
# you wish to view the list items for.
# By default this will request the items right away
def initialize(username, token, page_id, refresh = true)
@items = []
@username = username
@token = token
@page_id = page_id
@title = ''
self.refresh if refresh
end
# This method lets you refresh the items in the items array
# useful if you keep the object cached in memory and
def refresh
bp = BackpackAPI.new(@username, @token)
begin
page = bp.show_page(@page_id)['page'].first
rescue
# Exception occurs if @page_id isn't valid
@items = []
@title = ''
else
@items = parse(page['items'].first)
@title = page['title']
end
end
private
def parse(result)
result['item'].collect do |item|
BackpackItem.new((item['completed'] == 'true'), item['id'], item['content'])
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems