rewrite of the importer - not done yet

1 files changed, 159 insertions, 0 deletions

diff --git a/lib/chaos_xml.rb b/lib/chaos_xml.rb
new file mode 100644
index 0000000..f36708a
--- /dev/null
+++ b/lib/chaos_xml.rb
@@ -0,0 +1,159 @@
+require 'iconv'
+require 'nokogiri'
+
+class ChaosXml
+  include Enumerable
+  
+  def initialize path
+    unless Node.root
+      Node.create!
+    end
+    
+    @path = path
+    @years = {}
+  end
+  
+  def import_xml
+    unless @updates = Node.find_by_unique_name('updates')
+      @updates = Node.create!( :slug => 'updates' )
+      @updates.move_to_child_of Node.root
+    end
+    
+    self.each do |chaospage, chaos_id, lang|
+      node = find_or_create_node( chaospage, chaos_id )
+      html = convert_to_html( chaospage )
+      page = fill_draft_with_content(node.draft, html, lang)
+    end
+  end
+  
+  def each
+    directories = Dir.glob("#{@path}/*/*.xml{,.de,.en}")
+    
+    directories.each do |path|
+      next if path =~ /index\.xml/
+      chaospage = Nokogiri::XML( File.new(path).read )
+      lang      = lang_from_path( path )
+      chaos_id  = chaos_id_from_path( path )
+      
+      yield chaospage, chaos_id, lang  
+    end
+  end
+  
+  def lang_from_path path
+    case path
+    when /\.de$/ then :de
+    when /\.en$/ then :en
+    else 
+      :de
+    end
+  end
+  
+  def chaos_id_from_path path
+    path.sub(@path, "").split(/\//).last.split(/\./)[0]
+  end
+  
+  def find_or_create_node chaospage, chaos_id
+      
+    date = chaospage.xpath("//date").first.content.to_date
+    unique_name = "updates/#{date.year}/#{chaos_id}"
+    year = date.year
+    
+    unique_name_array = unique_name.split("/")
+    
+    unless @years[year] || (@years[year] = Node.find_by_unique_name("updates/#{year}"))
+      @years[year] = Node.create :slug => year
+      @years[year].move_to_child_of @updates
+    end
+    
+    unless node = Node.find_by_unique_name(unique_name)
+      node = Node.create :slug => chaos_id
+      node.move_to_child_of @years[year]
+    end
+    
+    node
+  end
+  
+  def fill_draft_with_content draft, chaospage, lang
+    I18n.locale = lang
+    
+    options = {
+      :title    => chaospage.xpath("//title")[0].content,
+      :abstract => chaospage.xpath("//abstract")[0].content,
+      :body     => extract_body(chaospage)
+    }
+    
+    puts options.inspect
+    #draft.update_attributes options
+  end
+  
+  def extract_body chaospage
+    body = ""
+    element = chaospage.xpath("//abstract")[0].next_sibling
+    
+    while element do
+      body << element.to_s
+      element = element.next_sibling
+    end
+    
+    puts body
+  end
+  
+  def convert_to_html chaospage
+    
+    chaospage.xpath('//paragraph').each {|sub| sub.name   = "p"}
+    chaospage.xpath('//quote').each     {|sub| sub.name   = "blockquote"  }
+    chaospage.xpath('//subtitle').each  {|sub| sub.name   = "h3" }
+    chaospage.xpath('//strong').each    {|sub| sub.name   = "em" }
+    chaospage.xpath('//stronger').each  {|sub| sub.name   = "strong" }
+    chaospage.xpath('//chapter').each   {|sub| sub.name   = "h2" }
+
+    chaospage.xpath('//link').each do |sub|
+      sub.name = "a"
+      href = sub.[]("ref")
+      sub.remove_attribute("ref")
+      sub.[]=("href", href)
+      sub.remove_attribute("type")
+    end
+    
+    chaospage.xpath('//list').each do |sub|
+      if !sub.css("row item").empty?
+        sub.name = "table"
+        
+        sub.css("row").each {|x| x.name = "tr"}
+        sub.css("tr item").each {|x| x.name = "td"}
+      elsif !sub.css("item").empty?
+        sub.name = "ul"
+        
+        sub.css("item").each {|x| x.name = "li"}
+      end
+    end
+    
+    chaospage.xpath('//media').each do |sub|
+      sub.name = "img"
+      src = sub.[]("ref")
+      sub.remove_attribute("src")
+      sub.[]=("src", src)
+      unless sub.content
+        sub.[]=("alt", sub.content)
+        sub.xpath('//*').each {|x| x.remove}
+      end
+    end
+    
+    chaospage.xpath('//name').each do |sub|
+      if sub.[]("email")
+        mail_href = "mailto:#{sub.[]('email')}"
+        sub.remove_attribute("email")
+        sub.[]=("href", mail_href)
+      end
+      sub.name = "a"
+      
+      if href = sub.[]("ref")
+        sub.remove_attribute("ref")
+        sub.[]=("href", href)
+      end
+    end
+    
+    chaospage
+    
+  end
+end
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