require "mysql2" require File.expand_path(File.dirname(__FILE__) + "/base.rb") # Call it like this: # RAILS_ENV=production bundle exec ruby script/import_scripts/xenforo.rb class ImportScripts::XenForo < ImportScripts::Base XENFORO_DB = "xenforo_db" TABLE_PREFIX = "xf_" BATCH_SIZE = 1000 def initialize super @client = Mysql2::Client.new( host: "localhost", username: "root", password: "pa$$word", database: XENFORO_DB ) end def execute import_users import_categories import_posts end def import_users puts '', "creating users" total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}user;").first['count'] batches(BATCH_SIZE) do |offset| results = mysql_query( "SELECT user_id id, username, email, custom_title title, register_date created_at, last_activity last_visit_time, user_group_id, is_moderator, is_admin, is_staff FROM #{TABLE_PREFIX}user LIMIT #{BATCH_SIZE} OFFSET #{offset};") break if results.size < 1 next if all_records_exist? :users, results.map {|u| u["id"].to_i} create_users(results, total: total_count, offset: offset) do |user| next if user['username'].blank? { id: user['id'], email: user['email'], username: user['username'], title: user['title'], created_at: Time.zone.at(user['created_at']), last_seen_at: Time.zone.at(user['last_visit_time']), moderator: user['is_moderator'] == 1 || user['is_staff'] == 1, admin: user['is_admin'] == 1 } end end end def import_categories puts "", "importing categories..." # Note that this script uses Prefix as Category, you may want to change this as per your requirement categories = mysql_query(" SELECT prefix_id id FROM #{TABLE_PREFIX}thread_prefix ORDER BY prefix_id ASC ").to_a create_categories(categories) do |category| { id: category["id"], name: "Category-#{category["id"]}" } end end def import_posts puts "", "creating topics and posts" total_count = mysql_query("SELECT count(*) count from #{TABLE_PREFIX}post").first["count"] batches(BATCH_SIZE) do |offset| results = mysql_query(" SELECT p.post_id id, t.thread_id topic_id, t.prefix_id category_id, t.title title, t.first_post_id first_post_id, p.user_id user_id, p.message raw, p.post_date created_at FROM #{TABLE_PREFIX}post p, #{TABLE_PREFIX}thread t WHERE p.thread_id = t.thread_id ORDER BY p.post_date LIMIT #{BATCH_SIZE} OFFSET #{offset}; ").to_a break if results.size < 1 next if all_records_exist? :posts, results.map {|p| p['id'] } create_posts(results, total: total_count, offset: offset) do |m| skip = false mapped = {} mapped[:id] = m['id'] mapped[:user_id] = user_id_from_imported_user_id(m['user_id']) || -1 mapped[:raw] = process_xenforo_post(m['raw'], m['id']) mapped[:created_at] = Time.zone.at(m['created_at']) if m['id'] == m['first_post_id'] if m['category_id'].to_i == 0 || m['category_id'].nil? mapped[:category] = SiteSetting.uncategorized_category_id else mapped[:category] = category_id_from_imported_category_id(m['category_id'].to_i) end mapped[:title] = CGI.unescapeHTML(m['title']) else parent = topic_lookup_from_imported_post_id(m['first_post_id']) if parent mapped[:topic_id] = parent[:topic_id] else puts "Parent post #{m['first_post_id']} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}" skip = true end end skip ? nil : mapped end end end def process_xenforo_post(raw, import_id) s = raw.dup # :) is encoded as :) s.gsub!(/]+) \/>/, '\1') # Some links look like this: http://www.onegameamonth.com s.gsub!(/(.+)<\/a>/, '[\2](\1)') # Many phpbb bbcode tags have a hash attached to them. Examples: # [url=https://google.com:1qh1i7ky]click here[/url:1qh1i7ky] # [quote="cybereality":b0wtlzex]Some text.[/quote:b0wtlzex] s.gsub!(/:(?:\w{8})\]/, ']') # Remove mybb video tags. s.gsub!(/(^\[video=.*?\])|(\[\/video\]$)/, '') s = CGI.unescapeHTML(s) # phpBB shortens link text like this, which breaks our markdown processing: # [http://answers.yahoo.com/question/index ... 223AAkkPli](http://answers.yahoo.com/question/index?qid=20070920134223AAkkPli) # # Work around it for now: s.gsub!(/\[http(s)?:\/\/(www\.)?/, '[') # [QUOTE]...[/QUOTE] s.gsub!(/\[quote\](.+?)\[\/quote\]/im) { "\n> #{$1}\n" } # [URL=...]...[/URL] s.gsub!(/\[url="?(.+?)"?\](.+)\[\/url\]/i) { "[#{$2}](#{$1})" } # [IMG]...[/IMG] s.gsub!(/\[\/?img\]/i, "") # convert list tags to ul and list=1 tags to ol # (basically, we're only missing list=a here...) s.gsub!(/\[list\](.*?)\[\/list:u\]/m, '[ul]\1[/ul]') s.gsub!(/\[list=1\](.*?)\[\/list:o\]/m, '[ol]\1[/ol]') # convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists: s.gsub!(/\[\*\](.*?)\[\/\*:m\]/, '[li]\1[/li]') # [YOUTUBE][/YOUTUBE] s.gsub!(/\[youtube\](.+?)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" } # [youtube=425,350]id[/youtube] s.gsub!(/\[youtube="?(.+?)"?\](.+)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$2}\n" } # [MEDIA=youtube]id[/MEDIA] s.gsub!(/\[MEDIA=youtube\](.+?)\[\/MEDIA\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" } # [ame="youtube_link"]title[/ame] s.gsub!(/\[ame="?(.+?)"?\](.+)\[\/ame\]/i) { "\n#{$1}\n" } # [VIDEO=youtube;]...[/VIDEO] s.gsub!(/\[video=youtube;([^\]]+)\].*?\[\/video\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" } # [USER=706]@username[/USER] s.gsub!(/\[user="?(.+?)"?\](.+)\[\/user\]/i) { $2 } # Remove the color tag s.gsub!(/\[color=[#a-z0-9]+\]/i, "") s.gsub!(/\[\/color\]/i, "") s end def mysql_query(sql) @client.query(sql, cache_rows: false) end end ImportScripts::XenForo.new.perform