Class: JekyllImport::Importers::Joomla

Inherits:
JekyllImport::Importer show all
Defined in:
lib/jekyll-import/importers/joomla.rb

Class Method Summary collapse

Methods inherited from JekyllImport::Importer

inherited, run, stringify_keys, subclasses

Class Method Details

.process(options) ⇒ Object 



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# File 'lib/jekyll-import/importers/joomla.rb', line 32

def self.process(options)
  dbname  = options.fetch("dbname")
  user    = options.fetch("user")
  pass    = options.fetch("password", "")
  host    = options.fetch("host", "127.0.0.1")
  port    = options.fetch("port", 3306).to_i
  section = options.fetch("section", "1")
  table_prefix = options.fetch("prefix", "jos_")

  db = Sequel.mysql2(dbname, :user => user, :password => pass, :host => host, :port => port, :encoding => "utf8")

  FileUtils.mkdir_p("_posts")

  # Reads a MySQL database via Sequel and creates a post file for each
  # post in wp_posts that has post_status = 'publish'. This restriction is
  # made because 'draft' posts are not guaranteed to have valid dates.
  query = "SELECT `title`, `alias`, CONCAT(`introtext`,`fulltext`) as content, `created`, `id` FROM #{table_prefix}content WHERE (state = '0' OR state = '1') AND sectionid = '#{section}'"

  db[query].each do |post|
    # Get required fields and construct Jekyll compatible name.
    title = post[:title]
    date = post[:created]
    content = post[:content]
    id = post[:id]

    # Construct a slug from the title if alias field empty.
    # Remove illegal filename characters.
    slug = if !post[:alias] || post[:alias].empty?
             sluggify(post[:title])
           else
             sluggify(post[:alias])
           end

    name = format("%02d-%02d-%02d-%03d-%s.markdown", date.year, date.month, date.day, id, 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" => post[:alias],
      "date"       => date,
    }.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/jekyll-import/importers/joomla.rb', line 22

def self.require_deps
  JekyllImport.require_with_fallback(%w(
    rubygems
    sequel
    mysql2
    fileutils
    safe_yaml
  ))
end

.sluggify(title) ⇒ Object

Borrowed from the Wordpress importer



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# File 'lib/jekyll-import/importers/joomla.rb', line 87

def self.sluggify(title)
  title.downcase.gsub(%r![^0-9A-Za-z]+!, " ").strip.tr(" ", "-")
end

.specify_options(c) ⇒ Object 



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# File 'lib/jekyll-import/importers/joomla.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. (default: 'localhost')"
  c.option "port",     "--port",     "Database port. (default: '3306')"
  c.option "section",  "--section",  "Section ID. (default: '1')"
  c.option "prefix",   "--prefix",   "Table prefix name. (default: 'jos_')"
end

.validate(options) ⇒ Object 



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# File 'lib/jekyll-import/importers/joomla.rb', line 6

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