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require 'rexml/document'
require 'iconv'
class UpdateImporter
def initialize path
Node.delete_all
Page.delete_all
@path = path
unless Node.root
Node.create!
end
unless @updates = Node.find_by_unique_name('updates')
@updates = Node.create! :slug => 'updates'
@updates.move_to_child_of Node.root
end
end
# Class Methods
# Instance Methods
def import_xml
directories = Dir.glob("#{@path}/*/*.xml{,.de,.en}")
directories.each do |dir|
next if dir =~ /index\.xml/
chaospage = REXML::Document.new(File.new(dir))
lang = case dir
when /\.de$/ then "de"
when /\.en$/ then "en"
else "de"
end
tmp_dir = dir.sub(@path, "").split(/\//).last
chaos_id = tmp_dir.split(/\./)[0]
create_node_and_page( chaospage.root, lang, chaos_id )
end
end
def create_node_and_page chaospage, lang, chaos_id
date = chaospage.root.elements['date'].get_text.to_s.to_date
unique_name = "updates/#{date.year}/#{chaos_id}"
unless parent_node = Node.find_by_unique_name("updates/#{date.year}")
parent_node = Node.create :slug => date.year
parent_node.move_to_child_of @updates
end
# puts "#{chaos_id} >>> #{lang} >>> #{date.year}"
unless node = Node.find_by_unique_name(unique_name)
node = Node.create :slug => chaos_id
node.move_to_child_of parent_node
end
create_node_for_page chaospage, node, date
end
def create_node_for_page chaospage, node, date
xhtml = convert_chaospage_to_xhtml(chaospage)
body = ""
element = xhtml.elements['abstract'].next_sibling
while element do
body << element.to_s
element = element.next_sibling
end
puts body
if node.pages.empty?
node.pages.create!(
:title => xhtml.elements['title'].get_text.to_s,
:abstract => xhtml.elements['abstract'].get_text.to_s,
:body => body,
:published_at => date
)
end
end
def convert_chaospage_to_xhtml( element )
element.each_element('//paragraph') {|sub| sub.name = "p" }
element.each_element('//link') do |sub|
sub.name = "a"
sub.attributes.get_attribute("ref").name = "href"
sub.attributes.delete_all("type")
end
element.each_element('//quote') {|sub| sub.name = "q" }
element.each_element('//subtitle') {|sub| sub.name = "h3" }
element.each_element('//strong') {|sub| sub.name = "i" }
element.each_element('//stronger') {|sub| sub.name = "b" }
element.each_element('//chapter') {|sub| sub.name = "h2" }
element.each_element('//list') {|sub|
if sub.get_elements( '//row' ).size > 0
sub.name = "table"
sub.each_element('//row') {|row|
row.name = "tr"
row.each_element('//item') {|td| td.name = "td"}
}
else
sub.name = "ul"
sub.each_element('//item)') {|item| item.name = "li" }
sub.each_element('//sub') {|sl| sl.name = "ul" }
end
}
element.each_element('//media') {|sub|
sub.name = "img"
sub.attributes.get_attribute("ref").name = "src"
if sub.has_text?() then
sub.add_attribute("alt"=>sub.text())
sub.delete_element('//*')
end
}
element.each_element('//name') {|sub|
if sub.attributes.get_attribute("email") then
sub.attributes["email"] = "mailto:" + sub.attributes["email"]
sub.attributes.get_attribute("email").name = "href"
end
sub.name = "a"
sub.attributes.get_attribute("ref").name = "href" if sub.attributes.get_attribute("ref")
}
element
end
end
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