Class: JekyllImport::Importers::Joomla3

Inherits:
JekyllImport::Importer show all
Defined in:
lib/jekyll-import/importers/joomla3.rb

Class Method Summary collapse

Methods inherited from JekyllImport::Importer

inherited, run, stringify_keys, subclasses

Class Method Details

.process(options) ⇒ Object 



32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
 
# File 'lib/jekyll-import/importers/joomla3.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
  cid    = options.fetch("category", 0)
  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 #__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

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

  db[query].each do |post|
    # Get required fields and construct Jekyll compatible name.
    title = post[:title]
    slug = post[:alias]
    date = post[:created]
    author = post[:author]
    category = post[:category]
    content = post[:content]
    excerpt = post[:introtext]
    name = format("%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 



22
23
24
25
26
27
28
29
30
 
# File 'lib/jekyll-import/importers/joomla3.rb', line 22

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

.specify_options(c) ⇒ Object 



12
13
14
15
16
17
18
19
20
 
# File 'lib/jekyll-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. (default: 'localhost')"
  c.option "port",     "--port",     "Database port. (default: '3306')"
  c.option "category", "--category", "ID of the category. (default: '0')"
  c.option "prefix",   "--prefix",   "Table prefix name. (default: 'jos_')"
end

.validate(options) ⇒ Object 



6
7
8
9
10
 
# File 'lib/jekyll-import/importers/joomla3.rb', line 6

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