require 'mysql2' require File.expand_path(File.dirname(__FILE__) + "/base.rb") require 'htmlentities' begin require 'php_serialize' # https://github.com/jqr/php-serialize rescue LoadError puts puts 'php_serialize not found.' puts 'Add to Gemfile, like this: ' puts puts "echo gem \\'php-serialize\\' >> Gemfile" puts "bundle install" exit end class ImportScripts::Question2Answer < ImportScripts::Base BATCH_SIZE = 1000 # CHANGE THESE BEFORE RUNNING THE IMPORTER DB_HOST ||= ENV['DB_HOST'] || "localhost" DB_NAME ||= ENV['DB_NAME'] DB_PW ||= ENV['DB_PW'] DB_USER ||= ENV['DB_USER'] TIMEZONE ||= ENV['TIMEZONE'] || "America/Los_Angeles" TABLE_PREFIX ||= ENV['TABLE_PREFIX'] || "qa_" MAIN_APP_DB_NAME = "primary_db" puts "#{DB_USER}:#{DB_PW}@#{DB_HOST} wants #{DB_NAME}" def initialize super @old_username_to_new_usernames = {} @tz = TZInfo::Timezone.get(TIMEZONE) @htmlentities = HTMLEntities.new @client = Mysql2::Client.new( host: DB_HOST, username: DB_USER, password: DB_PW, database: DB_NAME ) rescue Exception => e puts '=' * 50 puts e.message puts < #{last_user_id} AND (EXISTS (SELECT 1 FROM #{TABLE_PREFIX}posts p WHERE p.userid=u.id) or EXISTS (SELECT 1 FROM #{TABLE_PREFIX}uservotes u WHERE u.userid=u.id)) ORDER BY u.id LIMIT #{BATCH_SIZE} SQL ).to_a break if users.empty? last_user_id = users[-1]["id"] users.reject! { |u| @lookup.user_already_imported?(u["id"].to_i) } create_users(users, total: user_count, offset: offset) do |user| email = user["email"].presence username = @htmlentities.decode(user["email"]).strip.split("@").first avatar_url = "https://your_image_bucket/#{user['cdn_slug']}" if user['cdn_slug'] { id: user["id"], name: "#{user['first_name']} #{user['last_name']}", username: username, website: user['website'], email: email, avatar_url: avatar_url, custom_fields: user["custom_field_1"] ? { user_field_1: user["custom_field_1"] } : {}, location: user["city"] && user["state"] ? "#{user['city']}, #{user['state']}" : nil, created_at: user["created_at"], last_seen_at: user["last_sign_in_at"], post_create_action: proc do |u| @old_username_to_new_usernames[user["username"]] = u.username end } end end end def import_categories puts "", "importing top level categories..." categories = mysql_query("SELECT categoryid, parentid, title, position FROM #{TABLE_PREFIX}categories ORDER BY categoryid").to_a top_level_categories = categories.select { |c| c["parentid"].nil? } create_categories(top_level_categories) do |category| { id: category["categoryid"], name: @htmlentities.decode(category["title"]).strip, position: category["position"] } end puts "", "importing children categories..." children_categories = categories.select { |c| !c["parentid"].nil? } top_level_category_ids = Set.new(top_level_categories.map { |c| c["categoryid"] }) # cut down the tree to only 2 levels of categories children_categories.each do |cc| while !top_level_category_ids.include?(cc["parentid"]) cc["parentid"] = categories.detect { |c| c["categoryid"] == cc["parentid"] }["parentid"] end end create_categories(children_categories) do |category| { id: category["categoryid"], name: @htmlentities.decode(category["title"]).strip, position: category["position"], parent_category_id: category_id_from_imported_category_id(category["parentid"]) } end end def import_topics puts "", "importing topics..." topic_count = mysql_query("SELECT COUNT(postid) count FROM #{TABLE_PREFIX}posts WHERE type in ('Q', 'Q_HIDDEN')").first["count"] last_topic_id = -1 batches(BATCH_SIZE) do |offset| topics = mysql_query(<<-SQL SELECT p.postid, p.type, p.categoryid, p.closedbyid, p.userid postuserid, p.views, p.created, p.title, p.content raw FROM #{TABLE_PREFIX}posts p WHERE p.postid > #{last_topic_id} and p.parentid IS NULL and type IN ('Q', 'Q_HIDDEN') ORDER BY p.postid LIMIT #{BATCH_SIZE} SQL ).to_a break if topics.empty? last_topic_id = topics[-1]["postid"] topics.reject! { |t| @lookup.post_already_imported?("thread-#{t["postid"]}") } create_posts(topics, total: topic_count, offset: offset) do |topic| begin raw = preprocess_post_raw(topic["raw"]) rescue => e puts e.message end topic_id = "thread-#{topic["postid"]}" t = { id: topic_id, user_id: user_id_from_imported_user_id(topic["postuserid"]) || Discourse::SYSTEM_USER_ID, title: @htmlentities.decode(topic["title"]).strip[0...255], category: category_id_from_imported_category_id(topic["categoryid"]), raw: raw, created_at: topic["created"], visible: topic["closedbyid"].to_i == 0 && topic["type"] != 'Q_HIDDEN', views: topic["views"], } t end # uncomment below lines to create permalink topics.each do |thread| topic_id = "thread-#{thread["postid"]}" topic = topic_lookup_from_imported_post_id(topic_id) if topic.present? title_slugified = slugify(thread["title"], false, 50) if thread["title"].present? url_slug = "#{thread["postid"]}/#{title_slugified}" if thread["title"].present? Permalink.create(url: url_slug, topic_id: topic[:topic_id].to_i) if url_slug.present? && topic[:topic_id].present? end end end end def slugify(title, ascii_only, max_length) words = title.downcase.gsub(/[^a-zA-Z0-9\s]/, '').split(" ") word_lengths = {} words.each_with_index do |word, idx| word_lengths[idx] = word.length end remaining = max_length if word_lengths.inject(0) { |sum, (_, v)| sum + v } > remaining word_lengths = Hash[word_lengths.sort { |x, y| y[1] <=> x[1] }] word_lengths.each do |idx, word_length| if remaining > 0 remaining -= word_length else words[idx] = nil end end end words = words.compact.join("-") end def import_posts puts "", "importing posts..." post_count = mysql_query(<<-SQL SELECT COUNT(postid) count FROM #{TABLE_PREFIX}posts p WHERE p.parentid IS NOT NULL SQL ).first["count"] last_post_id = -1 batches(BATCH_SIZE) do |offset| posts = mysql_query(<<-SQL SELECT p.postid, p.type, p.parentid, p.categoryid, p.closedbyid, p.userid, p.views, p.created, p.title, p.content FROM #{TABLE_PREFIX}posts p WHERE p.parentid IS NOT NULL AND p.postid > #{last_post_id} AND type in ('A') AND closedbyid IS NULL ORDER BY p.postid LIMIT #{BATCH_SIZE} SQL ).to_a break if posts.empty? last_post_id = posts[-1]["postid"] posts.reject! { |p| @lookup.post_already_imported?(p["postid"].to_i) } create_posts(posts, total: post_count, offset: offset) do |post| begin raw = preprocess_post_raw(post["content"]) rescue => e puts e.message end next if raw.blank? next unless topic = topic_lookup_from_imported_post_id("thread-#{post["parentid"]}") p = { id: post["postid"], user_id: user_id_from_imported_user_id(post["userid"]) || Discourse::SYSTEM_USER_ID, topic_id: topic[:topic_id], raw: raw, created_at: post["created"], } if parent = topic_lookup_from_imported_post_id(post["parentid"]) p[:reply_to_post_number] = parent[:post_number] end p end end end def import_likes puts "", "importing likes..." likes = mysql_query(<<-SQL SELECT postid, userid FROM #{TABLE_PREFIX}uservotes u WHERE u.vote=1 SQL ).to_a likes.each do |like| post = Post.find_by(id: post_id_from_imported_post_id("thread-#{like['postid']}")) user = User.find_by(id: user_id_from_imported_user_id(like["userid"])) begin PostActionCreator.like(user, post) if user && post rescue => e puts "error acting on post #{e}" end end end def post_process_posts puts "", "Postprocessing posts..." current = 0 max = Post.count Post.find_each do |post| begin new_raw = postprocess_post_raw(post.raw) if new_raw != post.raw post.raw = new_raw post.save end rescue PrettyText::JavaScriptError nil ensure print_status(current += 1, max) end end end def preprocess_post_raw(raw) return "" if raw.blank? # decode HTML entities raw = @htmlentities.decode(raw) raw = ActionView::Base.full_sanitizer.sanitize raw # fix whitespaces raw.gsub!(/(\\r)?\\n/, "\n") raw.gsub!("\\t", "\t") raw.gsub!('
', "\n") # [HTML]...[/HTML] raw.gsub!(/\[html\]/i, "\n```html\n") raw.gsub!(/\[\/html\]/i, "\n```\n") # [PHP]...[/PHP] raw.gsub!(/\[php\]/i, "\n```php\n") raw.gsub!(/\[\/php\]/i, "\n```\n") # [HIGHLIGHT="..."] raw.gsub!(/\[highlight="?(\w+)"?\]/i) { "\n```#{$1.downcase}\n" } # [CODE]...[/CODE] # [HIGHLIGHT]...[/HIGHLIGHT] raw.gsub!(/\[\/?code\]/i, "\n```\n") raw.gsub!(/\[\/?highlight\]/i, "\n```\n") # [SAMP]...[/SAMP] raw.gsub!(/\[\/?samp\]/i, "`") # replace all chevrons with HTML entities # NOTE: must be done # - AFTER all the "code" processing # - BEFORE the "quote" processing raw.gsub!(/`([^`]+)`/im) { "`" + $1.gsub("<", "\u2603") + "`" } raw.gsub!("<", "<") raw.gsub!("\u2603", "<") raw.gsub!(/`([^`]+)`/im) { "`" + $1.gsub(">", "\u2603") + "`" } raw.gsub!(">", ">") raw.gsub!("\u2603", ">") # [URL=...]...[/URL] raw.gsub!(/\[url="?([^"]+?)"?\](.*?)\[\/url\]/im) { "[#{$2.strip}](#{$1})" } raw.gsub!(/\[url="?(.+?)"?\](.+)\[\/url\]/im) { "[#{$2.strip}](#{$1})" } # [URL]...[/URL] # [MP3]...[/MP3] raw.gsub!(/\[\/?url\]/i, "") raw.gsub!(/\[\/?mp3\]/i, "") # [MENTION][/MENTION] raw.gsub!(/\[mention\](.+?)\[\/mention\]/i) do old_username = $1 if @old_username_to_new_usernames.has_key?(old_username) old_username = @old_username_to_new_usernames[old_username] end "@#{old_username}" end # [FONT=blah] and [COLOR=blah] raw.gsub!(/\[FONT=.*?\](.*?)\[\/FONT\]/im, '\1') raw.gsub!(/\[COLOR=.*?\](.*?)\[\/COLOR\]/im, '\1') raw.gsub!(/\[COLOR=#.*?\](.*?)\[\/COLOR\]/im, '\1') raw.gsub!(/\[SIZE=.*?\](.*?)\[\/SIZE\]/im, '\1') raw.gsub!(/\[h=.*?\](.*?)\[\/h\]/im, '\1') # [CENTER]...[/CENTER] raw.gsub!(/\[CENTER\](.*?)\[\/CENTER\]/im, '\1') # [INDENT]...[/INDENT] raw.gsub!(/\[INDENT\](.*?)\[\/INDENT\]/im, '\1') raw.gsub!(/\[TABLE\](.*?)\[\/TABLE\]/im, '\1') raw.gsub!(/\[TR\](.*?)\[\/TR\]/im, '\1') raw.gsub!(/\[TD\](.*?)\[\/TD\]/im, '\1') raw.gsub!(/\[TD="?.*?"?\](.*?)\[\/TD\]/im, '\1') # [QUOTE]...[/QUOTE] raw.gsub!(/\[quote\](.+?)\[\/quote\]/im) { |quote| quote.gsub!(/\[quote\](.+?)\[\/quote\]/im) { "\n#{$1}\n" } quote.gsub!(/\n(.+?)/) { "\n> #{$1}" } } # [QUOTE=]...[/QUOTE] raw.gsub!(/\[quote=([^;\]]+)\](.+?)\[\/quote\]/im) do old_username, quote = $1, $2 if @old_username_to_new_usernames.has_key?(old_username) old_username = @old_username_to_new_usernames[old_username] end "\n[quote=\"#{old_username}\"]\n#{quote}\n[/quote]\n" end # [YOUTUBE][/YOUTUBE] raw.gsub!(/\[youtube\](.+?)\[\/youtube\]/i) { "\n//youtu.be/#{$1}\n" } # [VIDEO=youtube;]...[/VIDEO] raw.gsub!(/\[video=youtube;([^\]]+)\].*?\[\/video\]/i) { "\n//youtu.be/#{$1}\n" } # More Additions .... # [spoiler=Some hidden stuff]SPOILER HERE!![/spoiler] raw.gsub!(/\[spoiler="?(.+?)"?\](.+?)\[\/spoiler\]/im) { "\n#{$1}\n[spoiler]#{$2}[/spoiler]\n" } # [IMG][IMG]http://i63.tinypic.com/akga3r.jpg[/IMG][/IMG] raw.gsub!(/\[IMG\]\[IMG\](.+?)\[\/IMG\]\[\/IMG\]/i) { "[IMG]#{$1}[/IMG]" } # convert list tags to ul and list=1 tags to ol # (basically, we're only missing list=a here...) # (https://meta.discourse.org/t/phpbb-3-importer-old/17397) raw.gsub!(/\[list\](.*?)\[\/list\]/im, '[ul]\1[/ul]') raw.gsub!(/\[list=1\](.*?)\[\/list\]/im, '[ol]\1[/ol]') raw.gsub!(/\[list\](.*?)\[\/list:u\]/im, '[ul]\1[/ul]') raw.gsub!(/\[list=1\](.*?)\[\/list:o\]/im, '[ol]\1[/ol]') # convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists: raw.gsub!(/\[\*\]\n/, '') raw.gsub!(/\[\*\](.*?)\[\/\*:m\]/, '[li]\1[/li]') raw.gsub!(/\[\*\](.*?)\n/, '[li]\1[/li]') raw.gsub!(/\[\*=1\]/, '') raw.strip! raw end def postprocess_post_raw(raw) # [QUOTE=;]...[/QUOTE] raw.gsub!(/\[quote=([^;]+);(\d+)\](.+?)\[\/quote\]/im) do old_username, post_id, quote = $1, $2, $3 if @old_username_to_new_usernames.has_key?(old_username) old_username = @old_username_to_new_usernames[old_username] end if topic_lookup = topic_lookup_from_imported_post_id(post_id) post_number = topic_lookup[:post_number] topic_id = topic_lookup[:topic_id] "\n[quote=\"#{old_username},post:#{post_number},topic:#{topic_id}\"]\n#{quote}\n[/quote]\n" else "\n[quote=\"#{old_username}\"]\n#{quote}\n[/quote]\n" end end # remove attachments raw.gsub!(/\[attach[^\]]*\]\d+\[\/attach\]/i, "") # [THREAD][/THREAD] # ==> http://my.discourse.org/t/slug/ raw.gsub!(/\[thread\](\d+)\[\/thread\]/i) do thread_id = $1 if topic_lookup = topic_lookup_from_imported_post_id("thread-#{thread_id}") topic_lookup[:url] else $& end end # [THREAD=]...[/THREAD] # ==> [...](http://my.discourse.org/t/slug/) raw.gsub!(/\[thread=(\d+)\](.+?)\[\/thread\]/i) do thread_id, link = $1, $2 if topic_lookup = topic_lookup_from_imported_post_id("thread-#{thread_id}") url = topic_lookup[:url] "[#{link}](#{url})" else $& end end # [POST][/POST] # ==> http://my.discourse.org/t/slug// raw.gsub!(/\[post\](\d+)\[\/post\]/i) do post_id = $1 if topic_lookup = topic_lookup_from_imported_post_id(post_id) topic_lookup[:url] else $& end end # [POST=]...[/POST] # ==> [...](http://my.discourse.org/t///) raw.gsub!(/\[post=(\d+)\](.+?)\[\/post\]/i) do post_id, link = $1, $2 if topic_lookup = topic_lookup_from_imported_post_id(post_id) url = topic_lookup[:url] "[#{link}](#{url})" else $& end end raw end def create_permalinks puts '', 'Creating Permalink File...', '' #creates permalinks for q2a category links Category.find_each do |category| ccf = category.custom_fields if ccf && ccf["import_id"] url = category.parent_category ? "#{category.parent_category.slug}/#{category.slug}" : category.slug Permalink.create(url: url, category_id: category.id) rescue nil end end end def parse_timestamp(timestamp) Time.zone.at(@tz.utc_to_local(timestamp)) end def mysql_query(sql) @client.query(sql, cache_rows: true) end end ImportScripts::Question2Answer.new.perform