Class: BuntoImport::Importers::Joomla3

Inherits:
BuntoImport::Importer show all
Defined in:
lib/bunto-import/importers/joomla3.rb

Class Method Summary collapse

Methods inherited from BuntoImport::Importer

inherited, run, stringify_keys, subclasses

Class Method Details

.process(options) ⇒ Object 



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# File 'lib/bunto-import/importers/joomla3.rb', line 30

def self.process(options)
  dbname  = options.fetch('dbname')
  user    = options.fetch('user')
  pass    = options.fetch('password', '')
  host    = options.fetch('host', "localhost")
  cid     = options.fetch('category', 0)
  table_prefix = options.fetch('prefix', "jos_")

  db = Sequel.mysql(dbname, :user => user, :password => pass, :host => host, :encoding => 'utf8')

  FileUtils.mkdir_p("_posts")

  # Reads a MySQL database via Sequel and creates a post file for each
  # post in #__content that is published.
  query = "SELECT `cn`.`title`, `cn`.`alias`, `cn`.`introtext`, CONCAT(`cn`.`introtext`,`cn`.`fulltext`) AS `content`, "
    query << "`cn`.`created`, `cn`.`id`, `ct`.`title` AS `category`, `u`.`name` AS `author` "
    query << "FROM `#{table_prefix}content` AS `cn` JOIN `#{table_prefix}categories` AS `ct` ON `cn`.`catid` = `ct`.`id` "
    query << "JOIN `#{table_prefix}users` AS `u` ON `cn`.`created_by` = `u`.`id` "
    query << "WHERE (`cn`.`state` = '1' OR `cn`.`state` = '2') " # Only published and archived content items to be imported

    if cid > 0
      query << " AND `cn`.`catid` = '#{cid}' "
    else 
      query << " AND `cn`.`catid` != '2' " #Filter out uncategorized content
    end

  db[query].each do |post|
    # Get required fields and construct Bunto compatible name.
    title = post[:title]
    slug = post[:alias]
    date = post[:created]
      author = post[:author]
      category = post[:category]
    content = post[:content]
      excerpt = post[:introtext]
    name = "%02d-%02d-%02d-%s.markdown" % [date.year, date.month, date.day,
                                           slug]

    # Get the relevant fields as a hash, delete empty fields and convert
    # to YAML for the header.
    data = {
       'layout' => 'post',
       'title' => title.to_s,
       'joomla_id' => post[:id],
       'joomla_url' => slug,
       'date' => date,
       'author' => author,
       'excerpt' => excerpt.strip.to_s,
       'category' => category
     }.delete_if { |k,v| v.nil? || v == '' }.to_yaml

    # Write out the data and content to file
    File.open("_posts/#{name}", "w") do |f|
      f.puts data
      f.puts "---"
      f.puts content
    end
  end
end

.require_deps ⇒ Object 



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# File 'lib/bunto-import/importers/joomla3.rb', line 21

def self.require_deps
  BuntoImport.require_with_fallback(%w[
    rubygems
    sequel
    fileutils
    safe_yaml
  ])
end

.specify_options(c) ⇒ Object 



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# File 'lib/bunto-import/importers/joomla3.rb', line 12

def self.specify_options(c)
  c.option 'dbname', '--dbname', 'Database name'
  c.option 'user', '--user', 'Database user name'
  c.option 'password', '--password', "Database user's password (default: '')"
  c.option 'host', '--host', 'Database host name'
  c.option 'category', '--category', 'ID of the category'
  c.option 'prefix', '--prefix', 'Table prefix name'
end

.validate(options) ⇒ Object 



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# File 'lib/bunto-import/importers/joomla3.rb', line 4

def self.validate(options)
  %w[dbname user prefix].each do |option|
    if options[option].nil?
      abort "Missing mandatory option --#{option}."
    end
  end
end