635 lines
19 KiB
Ruby
635 lines
19 KiB
Ruby
require 'mysql2'
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require File.expand_path(File.dirname(__FILE__) + "/base.rb")
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require 'htmlentities'
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class ImportScripts::VBulletin < ImportScripts::Base
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BATCH_SIZE = 1000
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DBPREFIX = "vb_"
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ROOT_NODE=2
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# CHANGE THESE BEFORE RUNNING THE IMPORTER
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DATABASE = "yourforum"
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TIMEZONE = "America/Los_Angeles"
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ATTACHMENT_DIR = '/home/discourse/yourforum/customattachments/'
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AVATAR_DIR = '/home/discourse/yourforum/avatars/'
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def initialize
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super
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@old_username_to_new_usernames = {}
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@tz = TZInfo::Timezone.get(TIMEZONE)
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@htmlentities = HTMLEntities.new
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@client = Mysql2::Client.new(
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host: "localhost",
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username: "root",
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database: DATABASE,
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password: "password"
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)
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end
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def execute
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import_groups
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import_users
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import_categories
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import_topics
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import_posts
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import_attachments
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close_topics
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post_process_posts
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end
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def import_groups
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puts "", "importing groups..."
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groups = mysql_query <<-SQL
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SELECT usergroupid, title
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FROM #{DBPREFIX}usergroup
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ORDER BY usergroupid
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SQL
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create_groups(groups) do |group|
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{
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id: group["usergroupid"],
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name: @htmlentities.decode(group["title"]).strip
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}
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end
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end
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def import_users
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puts "", "importing users"
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user_count = mysql_query("SELECT COUNT(userid) count FROM #{DBPREFIX}user").first["count"]
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batches(BATCH_SIZE) do |offset|
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users = mysql_query <<-SQL
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SELECT u.userid, u.username, u.homepage, u.usertitle, u.usergroupid, u.joindate, u.email,
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CASE WHEN u.scheme='blowfish:10' THEN token
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WHEN u.scheme='legacy' THEN REPLACE(token, ' ', ':')
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END AS password,
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IF(ug.title = 'Administrators', 1, 0) AS admin
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FROM #{DBPREFIX}user u
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LEFT JOIN #{DBPREFIX}usergroup ug ON ug.usergroupid = u.usergroupid
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ORDER BY userid
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset}
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SQL
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break if users.size < 1
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# disabled line below, caused issues
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# next if all_records_exist? :users, users.map {|u| u["userid"].to_i}
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create_users(users, total: user_count, offset: offset) do |user|
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username = @htmlentities.decode(user["username"]).strip
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{
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id: user["userid"],
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name: username,
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username: username,
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email: user["email"].presence || fake_email,
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admin: user['admin'] == 1,
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password: user["password"],
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website: user["homepage"].strip,
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title: @htmlentities.decode(user["usertitle"]).strip,
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primary_group_id: group_id_from_imported_group_id(user["usergroupid"]),
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created_at: parse_timestamp(user["joindate"]),
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post_create_action: proc do |u|
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@old_username_to_new_usernames[user["username"]] = u.username
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import_profile_picture(user, u)
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import_profile_background(user, u)
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end
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}
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end
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end
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end
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def import_profile_picture(old_user, imported_user)
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query = mysql_query <<-SQL
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SELECT filedata, filename
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FROM #{DBPREFIX}customavatar
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WHERE userid = #{old_user["userid"]}
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ORDER BY dateline DESC
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LIMIT 1
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SQL
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picture = query.first
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return if picture.nil?
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if picture['filedata']
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file = Tempfile.new("profile-picture")
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file.write(picture["filedata"].encode("ASCII-8BIT").force_encoding("UTF-8"))
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file.rewind
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upload = UploadCreator.new(file, picture["filename"]).create_for(imported_user.id)
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else
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filename = File.join(AVATAR_DIR, picture['filename'])
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unless File.exists?(filename)
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puts "Avatar file doesn't exist: #{filename}"
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return nil
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end
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upload = create_upload(imported_user.id, filename, picture['filename'])
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end
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return if !upload.persisted?
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imported_user.create_user_avatar
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imported_user.user_avatar.update(custom_upload_id: upload.id)
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imported_user.update(uploaded_avatar_id: upload.id)
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ensure
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file.close rescue nil
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file.unlind rescue nil
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end
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def import_profile_background(old_user, imported_user)
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query = mysql_query <<-SQL
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SELECT filedata, filename
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FROM #{DBPREFIX}customprofilepic
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WHERE userid = #{old_user["userid"]}
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ORDER BY dateline DESC
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LIMIT 1
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SQL
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background = query.first
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return if background.nil?
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file = Tempfile.new("profile-background")
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file.write(background["filedata"].encode("ASCII-8BIT").force_encoding("UTF-8"))
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file.rewind
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upload = UploadCreator.new(file, background["filename"]).create_for(imported_user.id)
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return if !upload.persisted?
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imported_user.user_profile.update(profile_background: upload.url)
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ensure
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file.close rescue nil
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file.unlink rescue nil
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end
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def import_categories
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puts "", "importing top level categories..."
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categories = mysql_query("SELECT nodeid AS forumid, title, description, displayorder, parentid
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FROM #{DBPREFIX}node
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WHERE parentid=#{ROOT_NODE}
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UNION
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SELECT nodeid, title, description, displayorder, parentid
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FROM #{DBPREFIX}node
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WHERE contenttypeid = 23
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AND parentid IN (SELECT nodeid FROM #{DBPREFIX}node WHERE parentid=#{ROOT_NODE})").to_a
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top_level_categories = categories.select { |c| c["parentid"] == ROOT_NODE }
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create_categories(top_level_categories) do |category|
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{
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id: category["forumid"],
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name: @htmlentities.decode(category["title"]).strip,
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position: category["displayorder"],
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description: @htmlentities.decode(category["description"]).strip
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}
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end
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puts "", "importing child categories..."
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children_categories = categories.select { |c| c["parentid"] != ROOT_NODE }
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top_level_category_ids = Set.new(top_level_categories.map { |c| c["forumid"] })
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# cut down the tree to only 2 levels of categories
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children_categories.each do |cc|
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while !top_level_category_ids.include?(cc["parentid"])
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cc["parentid"] = categories.detect { |c| c["forumid"] == cc["parentid"] }["parentid"]
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end
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end
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create_categories(children_categories) do |category|
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{
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id: category["forumid"],
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name: @htmlentities.decode(category["title"]).strip,
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position: category["displayorder"],
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description: @htmlentities.decode(category["description"]).strip,
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parent_category_id: category_id_from_imported_category_id(category["parentid"])
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}
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end
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end
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def import_topics
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puts "", "importing topics..."
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# keep track of closed topics
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@closed_topic_ids = []
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topic_count = mysql_query("select count(nodeid) cnt from #{DBPREFIX}node where parentid in (
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select nodeid from #{DBPREFIX}node where contenttypeid=23 ) and contenttypeid=22;").first["cnt"]
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batches(BATCH_SIZE) do |offset|
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topics = mysql_query <<-SQL
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SELECT t.nodeid AS threadid, t.title, t.parentid AS forumid,t.open,t.userid AS postuserid,t.publishdate AS dateline,
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nv.count views, 1 AS visible, t.sticky,
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CONVERT(CAST(rawtext AS BINARY)USING utf8) AS raw
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FROM #{DBPREFIX}node t
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LEFT JOIN #{DBPREFIX}nodeview nv ON nv.nodeid=t.nodeid
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LEFT JOIN #{DBPREFIX}text txt ON txt.nodeid=t.nodeid
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WHERE t.parentid in ( select nodeid from #{DBPREFIX}node where contenttypeid=23 )
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AND t.contenttypeid = 22
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ORDER BY t.nodeid
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset}
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SQL
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break if topics.size < 1
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# disabled line below, caused issues
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# next if all_records_exist? :posts, topics.map {|t| "thread-#{topic["threadid"]}" }
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create_posts(topics, total: topic_count, offset: offset) do |topic|
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raw = preprocess_post_raw(topic["raw"]) rescue nil
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next if raw.blank?
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topic_id = "thread-#{topic["threadid"]}"
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@closed_topic_ids << topic_id if topic["open"] == "0"
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t = {
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id: topic_id,
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user_id: user_id_from_imported_user_id(topic["postuserid"]) || Discourse::SYSTEM_USER_ID,
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title: @htmlentities.decode(topic["title"]).strip[0...255],
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category: category_id_from_imported_category_id(topic["forumid"]),
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raw: raw,
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created_at: parse_timestamp(topic["dateline"]),
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visible: topic["visible"].to_i == 1,
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views: topic["views"],
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}
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t[:pinned_at] = t[:created_at] if topic["sticky"].to_i == 1
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t
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end
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end
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end
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def import_posts
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puts "", "importing posts..."
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# make sure `firstpostid` is indexed
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begin
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mysql_query("CREATE INDEX firstpostid_index ON thread (firstpostid)")
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rescue
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end
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post_count = mysql_query("SELECT COUNT(nodeid) cnt FROM #{DBPREFIX}node WHERE parentid NOT IN (
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SELECT nodeid FROM #{DBPREFIX}node WHERE contenttypeid=23 ) AND contenttypeid=22;").first["cnt"]
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batches(BATCH_SIZE) do |offset|
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posts = mysql_query <<-SQL
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SELECT p.nodeid AS postid, p.userid AS userid, p.parentid AS threadid,
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CONVERT(CAST(rawtext AS BINARY)USING utf8) AS raw, p.publishdate AS dateline,
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1 AS visible, p.parentid AS parentid
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FROM #{DBPREFIX}node p
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LEFT JOIN #{DBPREFIX}nodeview nv ON nv.nodeid=p.nodeid
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LEFT JOIN #{DBPREFIX}text txt ON txt.nodeid=p.nodeid
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WHERE p.parentid NOT IN ( select nodeid from #{DBPREFIX}node where contenttypeid=23 )
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AND p.contenttypeid = 22
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ORDER BY postid
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LIMIT #{BATCH_SIZE}
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OFFSET #{offset}
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SQL
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break if posts.size < 1
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# disabled line below, caused issues
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# next if all_records_exist? :posts, posts.map {|p| p["postid"] }
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create_posts(posts, total: post_count, offset: offset) do |post|
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raw = preprocess_post_raw(post["raw"])
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next if raw.blank?
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next unless topic = topic_lookup_from_imported_post_id("thread-#{post["threadid"]}")
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p = {
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id: post["postid"],
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user_id: user_id_from_imported_user_id(post["userid"]) || Discourse::SYSTEM_USER_ID,
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topic_id: topic[:topic_id],
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raw: raw,
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created_at: parse_timestamp(post["dateline"]),
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hidden: post["visible"].to_i == 0,
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}
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if parent = topic_lookup_from_imported_post_id(post["parentid"])
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p[:reply_to_post_number] = parent[:post_number]
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end
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p
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end
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end
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end
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# find the uploaded file information from the db
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def find_upload(post, attachment_id)
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sql = "SELECT a.filedataid, a.filename, fd.userid, LENGTH(fd.filedata) AS dbsize, filedata
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FROM #{DBPREFIX}attach a
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LEFT JOIN #{DBPREFIX}filedata fd ON fd.filedataid = a.filedataid
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WHERE a.nodeid = #{attachment_id}"
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results = mysql_query(sql)
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unless (row = results.first)
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puts "Couldn't find attachment record for post.id = #{post.id}, import_id = #{post.custom_fields['import_id']}"
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return nil
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end
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filename = File.join(ATTACHMENT_DIR, row['userid'].to_s.split('').join('/'), "#{row['filedataid']}.attach")
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real_filename = row['filename']
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real_filename.prepend SecureRandom.hex if real_filename[0] == '.'
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unless File.exists?(filename)
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if row['dbsize'].to_i == 0
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puts "Attachment file #{row['filedataid']} doesn't exist"
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return nil
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end
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tmpfile = 'attach_' + row['filedataid'].to_s
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filename = File.join('/tmp/', tmpfile)
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File.open(filename, 'wb') { |f|
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#f.write(PG::Connection.unescape_bytea(row['filedata']))
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f.write(row['filedata'])
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}
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end
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upload = create_upload(post.user.id, filename, real_filename)
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if upload.nil? || !upload.valid?
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puts "Upload not valid :("
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puts upload.errors.inspect if upload
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return nil
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end
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return upload, real_filename
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rescue Mysql2::Error => e
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puts "SQL Error"
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puts e.message
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puts sql
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return nil
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end
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def import_attachments
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puts '', 'importing attachments...'
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current_count = 0
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total_count = mysql_query("SELECT COUNT(nodeid) cnt FROM #{DBPREFIX}node WHERE contenttypeid=22 ").first["cnt"]
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success_count = 0
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fail_count = 0
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attachment_regex = /\[attach[^\]]*\]n(\d+)\[\/attach\]/i
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Post.find_each do |post|
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current_count += 1
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print_status current_count, total_count
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new_raw = post.raw.dup
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new_raw.gsub!(attachment_regex) do |s|
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matches = attachment_regex.match(s)
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attachment_id = matches[1]
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upload, filename = find_upload(post, attachment_id)
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unless upload
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fail_count += 1
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next
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end
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html_for_upload(upload, filename)
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end
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if new_raw != post.raw
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PostRevisor.new(post).revise!(post.user, { raw: new_raw }, { bypass_bump: true, edit_reason: 'Import attachments from vBulletin' })
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end
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success_count += 1
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end
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end
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def close_topics
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puts "", "Closing topics..."
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sql = <<-SQL
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WITH closed_topic_ids AS (
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SELECT t.id AS topic_id
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FROM post_custom_fields pcf
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JOIN posts p ON p.id = pcf.post_id
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JOIN topics t ON t.id = p.topic_id
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WHERE pcf.name = 'import_id'
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AND pcf.value IN (?)
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)
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UPDATE topics
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SET closed = true
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WHERE id IN (SELECT topic_id FROM closed_topic_ids)
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SQL
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Topic.exec_sql(sql, @closed_topic_ids)
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end
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def post_process_posts
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puts "", "Postprocessing posts..."
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current = 0
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max = Post.count
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Post.find_each do |post|
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begin
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new_raw = postprocess_post_raw(post.raw)
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if new_raw != post.raw
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post.raw = new_raw
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post.save
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end
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rescue PrettyText::JavaScriptError
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nil
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ensure
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print_status(current += 1, max)
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end
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end
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end
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def preprocess_post_raw(raw)
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return "" if raw.blank?
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# decode HTML entities
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raw = @htmlentities.decode(raw)
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# fix whitespaces
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raw = raw.gsub(/(\\r)?\\n/, "\n")
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.gsub("\\t", "\t")
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# [HTML]...[/HTML]
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raw = raw.gsub(/\[html\]/i, "\n```html\n")
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.gsub(/\[\/html\]/i, "\n```\n")
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# [PHP]...[/PHP]
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raw = raw.gsub(/\[php\]/i, "\n```php\n")
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.gsub(/\[\/php\]/i, "\n```\n")
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# [HIGHLIGHT="..."]
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raw = raw.gsub(/\[highlight="?(\w+)"?\]/i) { "\n```#{$1.downcase}\n" }
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# [CODE]...[/CODE]
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# [HIGHLIGHT]...[/HIGHLIGHT]
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raw = raw.gsub(/\[\/?code\]/i, "\n```\n")
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.gsub(/\[\/?highlight\]/i, "\n```\n")
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# [SAMP]...[/SAMP]
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raw = raw.gsub(/\[\/?samp\]/i, "`")
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# replace all chevrons with HTML entities
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# NOTE: must be done
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# - AFTER all the "code" processing
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# - BEFORE the "quote" processing
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raw = raw.gsub(/`([^`]+)`/im) { "`" + $1.gsub("<", "\u2603") + "`" }
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.gsub("<", "<")
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.gsub("\u2603", "<")
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raw = raw.gsub(/`([^`]+)`/im) { "`" + $1.gsub(">", "\u2603") + "`" }
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.gsub(">", ">")
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.gsub("\u2603", ">")
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# [URL=...]...[/URL]
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raw.gsub!(/\[url="?(.+?)"?\](.+?)\[\/url\]/i) { "<a href=\"#{$1}\">#{$2}</a>" }
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# [URL]...[/URL]
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# [MP3]...[/MP3]
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raw = raw.gsub(/\[\/?url\]/i, "")
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.gsub(/\[\/?mp3\]/i, "")
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# [MENTION]<username>[/MENTION]
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raw = raw.gsub(/\[mention\](.+?)\[\/mention\]/i) do
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old_username = $1
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if @old_username_to_new_usernames.has_key?(old_username)
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old_username = @old_username_to_new_usernames[old_username]
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end
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"@#{old_username}"
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end
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# [USER=<user_id>]<username>[/USER]
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raw = raw.gsub(/\[user="?(\d+)"?\](.+?)\[\/user\]/i) do
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user_id, old_username = $1, $2
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if @old_username_to_new_usernames.has_key?(old_username)
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new_username = @old_username_to_new_usernames[old_username]
|
|
else
|
|
new_username = old_username
|
|
end
|
|
"@#{new_username}"
|
|
end
|
|
|
|
# [FONT=blah] and [COLOR=blah]
|
|
# no idea why the /i is not matching case insensitive..
|
|
raw.gsub! /\[color=.*?\](.*?)\[\/color\]/im, '\1'
|
|
raw.gsub! /\[COLOR=.*?\](.*?)\[\/COLOR\]/im, '\1'
|
|
raw.gsub! /\[font=.*?\](.*?)\[\/font\]/im, '\1'
|
|
raw.gsub! /\[FONT=.*?\](.*?)\[\/FONT\]/im, '\1'
|
|
|
|
# [CENTER]...[/CENTER]
|
|
raw.gsub! /\[CENTER\](.*?)\[\/CENTER\]/im, '\1'
|
|
|
|
# fix LIST
|
|
raw.gsub! /\[LIST\](.*?)\[\/LIST\]/im, '<ul>\1</ul>'
|
|
raw.gsub! /\[\*\]/im, '<li>'
|
|
|
|
# [QUOTE]...[/QUOTE]
|
|
raw = raw.gsub(/\[quote\](.+?)\[\/quote\]/im) { "\n> #{$1}\n" }
|
|
|
|
# [QUOTE=<username>]...[/QUOTE]
|
|
raw = 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]<id>[/YOUTUBE]
|
|
raw = raw.gsub(/\[youtube\](.+?)\[\/youtube\]/i) { "\n//youtu.be/#{$1}\n" }
|
|
|
|
# [VIDEO=youtube;<id>]...[/VIDEO]
|
|
raw = raw.gsub(/\[video=youtube;([^\]]+)\].*?\[\/video\]/i) { "\n//youtu.be/#{$1}\n" }
|
|
|
|
raw
|
|
end
|
|
|
|
def postprocess_post_raw(raw)
|
|
# [QUOTE=<username>;<post_id>]...[/QUOTE]
|
|
raw = raw.gsub(/\[quote=([^;]+);n(\d+)\](.+?)\[\/quote\]/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 = raw.gsub(/\[attach[^\]]*\]\d+\[\/attach\]/i, "")
|
|
|
|
# [THREAD]<thread_id>[/THREAD]
|
|
# ==> http://my.discourse.org/t/slug/<topic_id>
|
|
raw = 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_id>]...[/THREAD]
|
|
# ==> [...](http://my.discourse.org/t/slug/<topic_id>)
|
|
raw = 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_id>[/POST]
|
|
# ==> http://my.discourse.org/t/slug/<topic_id>/<post_number>
|
|
raw = 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_id>]...[/POST]
|
|
# ==> [...](http://my.discourse.org/t/<topic_slug>/<topic_id>/<post_number>)
|
|
raw = 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 parse_timestamp(timestamp)
|
|
Time.zone.at(@tz.utc_to_local(timestamp))
|
|
end
|
|
|
|
def fake_email
|
|
SecureRandom.hex << "@domain.com"
|
|
end
|
|
|
|
def mysql_query(sql)
|
|
@client.query(sql, cache_rows: false)
|
|
end
|
|
|
|
end
|
|
|
|
ImportScripts::VBulletin.new.perform
|