discourse/script/bulk_import/vbulletin.rb

500 lines
13 KiB
Ruby

require_relative "base"
require "set"
require "mysql2"
require "htmlentities"
class BulkImport::VBulletin < BulkImport::Base
SUSPENDED_TILL ||= Date.new(3000, 1, 1)
CHARSET_MAP = {
"armscii8" => nil,
"ascii" => Encoding::US_ASCII,
"big5" => Encoding::Big5,
"binary" => Encoding::ASCII_8BIT,
"cp1250" => Encoding::Windows_1250,
"cp1251" => Encoding::Windows_1251,
"cp1256" => Encoding::Windows_1256,
"cp1257" => Encoding::Windows_1257,
"cp850" => Encoding::CP850,
"cp852" => Encoding::CP852,
"cp866" => Encoding::IBM866,
"cp932" => Encoding::Windows_31J,
"dec8" => nil,
"eucjpms" => Encoding::EucJP_ms,
"euckr" => Encoding::EUC_KR,
"gb2312" => Encoding::EUC_CN,
"gbk" => Encoding::GBK,
"geostd8" => nil,
"greek" => Encoding::ISO_8859_7,
"hebrew" => Encoding::ISO_8859_8,
"hp8" => nil,
"keybcs2" => nil,
"koi8r" => Encoding::KOI8_R,
"koi8u" => Encoding::KOI8_U,
"latin1" => Encoding::ISO_8859_1,
"latin2" => Encoding::ISO_8859_2,
"latin5" => Encoding::ISO_8859_9,
"latin7" => Encoding::ISO_8859_13,
"macce" => Encoding::MacCentEuro,
"macroman" => Encoding::MacRoman,
"sjis" => Encoding::SHIFT_JIS,
"swe7" => nil,
"tis620" => Encoding::TIS_620,
"ucs2" => Encoding::UTF_16BE,
"ujis" => Encoding::EucJP_ms,
"utf8" => Encoding::UTF_8,
}
def initialize
super
host = ENV["DB_HOST"]
username = ENV["DB_USERNAME"] || "root"
password = ENV["DB_PASSWORD"]
database = ENV["DB_NAME"] || "vbulletin"
charset = ENV["DB_CHARSET"] || "utf8"
@html_entities = HTMLEntities.new
@encoding = CHARSET_MAP[charset]
@client = Mysql2::Client.new(
host: host,
username: username,
password: password,
database: database,
encoding: charset
)
@client.query_options.merge!(as: :array, cache_rows: false)
@has_post_thanks = mysql_query(<<-SQL
SELECT `COLUMN_NAME`
FROM `INFORMATION_SCHEMA`.`COLUMNS`
WHERE `TABLE_SCHEMA`='#{database}'
AND `TABLE_NAME`='user'
AND `COLUMN_NAME` LIKE 'post_thanks_%'
SQL
).to_a.count > 0
end
def execute
import_groups
import_users
import_group_users
import_user_emails
import_user_stats
import_user_passwords
import_user_salts
import_user_profiles
import_categories
import_topics
import_posts
import_private_topics
import_topic_allowed_users
import_private_posts
end
def import_groups
puts "Importing groups..."
groups = mysql_stream <<-SQL
SELECT usergroupid, title, description, usertitle
FROM usergroup
WHERE usergroupid > #{@last_imported_group_id}
ORDER BY usergroupid
SQL
create_groups(groups) do |row|
{
imported_id: row[0],
name: normalize_text(row[1]),
bio_raw: normalize_text(row[2]),
title: normalize_text(row[3]),
}
end
end
def import_users
puts "Importing users..."
users = mysql_stream <<-SQL
SELECT user.userid, username, email, joindate, birthday, ipaddress, user.usergroupid, bandate, liftdate
FROM user
LEFT JOIN userban ON userban.userid = user.userid
WHERE user.userid > #{@last_imported_user_id}
ORDER BY user.userid
SQL
create_users(users) do |row|
u = {
imported_id: row[0],
username: normalize_text(row[1]),
created_at: Time.zone.at(row[3]),
date_of_birth: parse_birthday(row[4]),
primary_group_id: group_id_from_imported_id(row[6]),
}
u[:ip_address] = row[5][/\b(?:\d{1,3}\.){3}\d{1,3}\b/] if row[5].present?
if row[7]
u[:suspended_at] = Time.zone.at(row[7])
u[:suspended_till] = row[8] > 0 ? Time.zone.at(row[8]) : SUSPENDED_TILL
end
u
end
end
def import_user_emails
puts "Importing user emails..."
users = mysql_stream <<-SQL
SELECT user.userid, email, joindate
FROM user
WHERE user.userid > #{@last_imported_user_id}
ORDER BY user.userid
SQL
create_user_emails(users) do |row|
{
imported_id: row[0],
imported_user_id: row[0],
email: row[1],
created_at: Time.zone.at(row[2])
}
end
end
def import_user_stats
puts "Importing user stats..."
users = mysql_stream <<-SQL
SELECT user.userid, joindate, posts, COUNT(thread.threadid) AS threads, post.dateline
#{", post_thanks_user_amount, post_thanks_thanked_times" if @has_post_thanks}
FROM user
LEFT OUTER JOIN post ON post.postid = user.lastpostid
LEFT OUTER JOIN thread ON user.userid = thread.postuserid
WHERE user.userid > #{@last_imported_user_id}
GROUP BY user.userid
ORDER BY user.userid
SQL
create_user_stats(users) do |row|
user = {
imported_id: row[0],
imported_user_id: row[0],
new_since: Time.zone.at(row[1]),
post_count: row[2],
topic_count: row[3],
first_post_created_at: row[4] && Time.zone.at(row[4])
}
if @has_post_thanks
user[:likes_given] = row[5]
user[:likes_received] = row[6]
end
user
end
end
def import_group_users
puts "Importing group users..."
group_users = mysql_stream <<-SQL
SELECT usergroupid, userid
FROM user
WHERE userid > #{@last_imported_user_id}
SQL
create_group_users(group_users) do |row|
{
group_id: group_id_from_imported_id(row[0]),
user_id: user_id_from_imported_id(row[1]),
}
end
end
def import_user_passwords
puts "Importing user passwords..."
user_passwords = mysql_stream <<-SQL
SELECT userid, password
FROM user
WHERE userid > #{@last_imported_user_id}
ORDER BY userid
SQL
create_custom_fields("user", "password", user_passwords) do |row|
{
record_id: user_id_from_imported_id(row[0]),
value: row[1],
}
end
end
def import_user_salts
puts "Importing user salts..."
user_salts = mysql_stream <<-SQL
SELECT userid, salt
FROM user
WHERE userid > #{@last_imported_user_id}
AND LENGTH(COALESCE(salt, '')) > 0
ORDER BY userid
SQL
create_custom_fields("user", "salt", user_salts) do |row|
{
record_id: user_id_from_imported_id(row[0]),
value: row[1],
}
end
end
def import_user_profiles
puts "Importing user profiles..."
user_profiles = mysql_stream <<-SQL
SELECT userid, homepage, profilevisits
FROM user
WHERE userid > #{@last_imported_user_id}
ORDER BY userid
SQL
create_user_profiles(user_profiles) do |row|
{
user_id: user_id_from_imported_id(row[0]),
website: (URI.parse(row[1]).to_s rescue nil),
views: row[2],
}
end
end
def import_categories
puts "Importing categories..."
categories = mysql_query(<<-SQL
SELECT forumid, parentid, title, description, displayorder
FROM forum
WHERE forumid > #{@last_imported_category_id}
ORDER BY forumid
SQL
).to_a
return if categories.empty?
parent_categories = categories.select { |c| c[1] == -1 }
children_categories = categories.select { |c| c[1] != -1 }
parent_category_ids = Set.new parent_categories.map { |c| c[0] }
# cut down the tree to only 2 levels of categories
children_categories.each do |cc|
until parent_category_ids.include?(cc[1])
cc[1] = categories.find { |c| c[0] == cc[1] }[1]
end
end
puts "Importing parent categories..."
create_categories(parent_categories) do |row|
{
imported_id: row[0],
name: normalize_text(row[2]),
description: normalize_text(row[3]),
position: row[4],
}
end
puts "Importing children categories..."
create_categories(children_categories) do |row|
{
imported_id: row[0],
name: normalize_text(row[2]),
description: normalize_text(row[3]),
position: row[4],
parent_category_id: category_id_from_imported_id(row[1]),
}
end
end
def import_topics
puts "Importing topics..."
topics = mysql_stream <<-SQL
SELECT threadid, title, forumid, postuserid, open, dateline, views, visible, sticky
FROM thread
WHERE threadid > #{@last_imported_topic_id}
AND EXISTS (SELECT 1 FROM post WHERE post.threadid = thread.threadid)
ORDER BY threadid
SQL
create_topics(topics) do |row|
created_at = Time.zone.at(row[5])
t = {
imported_id: row[0],
title: normalize_text(row[1]),
category_id: category_id_from_imported_id(row[2]),
user_id: user_id_from_imported_id(row[3]),
closed: row[4] == 0,
created_at: created_at,
views: row[6],
visible: row[7] == 1,
}
t[:pinned_at] = created_at if row[8] == 1
t
end
end
def import_posts
puts "Importing posts..."
posts = mysql_stream <<-SQL
SELECT postid, post.threadid, parentid, userid, post.dateline, post.visible, pagetext
#{", post_thanks_amount" if @has_post_thanks}
FROM post
JOIN thread ON thread.threadid = post.threadid
WHERE postid > #{@last_imported_post_id}
ORDER BY postid
SQL
create_posts(posts) do |row|
topic_id = topic_id_from_imported_id(row[1])
replied_post_topic_id = topic_id_from_imported_post_id(row[2])
reply_to_post_number = topic_id == replied_post_topic_id ? post_number_from_imported_id(row[2]) : nil
post = {
imported_id: row[0],
topic_id: topic_id,
reply_to_post_number: reply_to_post_number,
user_id: user_id_from_imported_id(row[3]),
created_at: Time.zone.at(row[4]),
hidden: row[5] == 0,
raw: normalize_text(row[6]),
}
post[:like_count] = row[7] if @has_post_thanks
post
end
end
def import_private_topics
puts "Importing private topics..."
@imported_topics = {}
topics = mysql_stream <<-SQL
SELECT pmtextid, title, fromuserid, touserarray, dateline
FROM pmtext
WHERE pmtextid > (#{@last_imported_private_topic_id - PRIVATE_OFFSET})
ORDER BY pmtextid
SQL
create_topics(topics) do |row|
title = extract_pm_title(row[1])
user_ids = [row[2], row[3].scan(/i:(\d+)/)].flatten.map(&:to_i).sort
key = [title, user_ids]
next if @imported_topics.has_key?(key)
@imported_topics[key] = row[0] + PRIVATE_OFFSET
{
archetype: Archetype.private_message,
imported_id: row[0] + PRIVATE_OFFSET,
title: title,
user_id: user_id_from_imported_id(row[2]),
created_at: Time.zone.at(row[4]),
}
end
end
def import_topic_allowed_users
puts "Importing topic allowed users..."
allowed_users = Set.new
mysql_stream(<<-SQL
SELECT pmtextid, touserarray
FROM pmtext
WHERE pmtextid > (#{@last_imported_private_topic_id - PRIVATE_OFFSET})
ORDER BY pmtextid
SQL
).each do |row|
next unless topic_id = topic_id_from_imported_id(row[0] + PRIVATE_OFFSET)
row[1].scan(/i:(\d+)/).flatten.each do |id|
next unless user_id = user_id_from_imported_id(id)
allowed_users << [topic_id, user_id]
end
end
create_topic_allowed_users(allowed_users) do |row|
{
topic_id: row[0],
user_id: row[1],
}
end
end
def import_private_posts
puts "Importing private posts..."
posts = mysql_stream <<-SQL
SELECT pmtextid, title, fromuserid, touserarray, dateline, message
FROM pmtext
WHERE pmtextid > #{@last_imported_private_post_id - PRIVATE_OFFSET}
ORDER BY pmtextid
SQL
create_posts(posts) do |row|
title = extract_pm_title(row[1])
user_ids = [row[2], row[3].scan(/i:(\d+)/)].flatten.map(&:to_i).sort
key = [title, user_ids]
next unless topic_id = topic_id_from_imported_id(@imported_topics[key])
{
imported_id: row[0] + PRIVATE_OFFSET,
topic_id: topic_id,
user_id: user_id_from_imported_id(row[2]),
created_at: Time.zone.at(row[4]),
raw: normalize_text(row[5]),
}
end
end
def extract_pm_title(title)
normalize_text(title).scrub.gsub(/^Re\s*:\s*/i, "")
end
def normalize_text(text)
@html_entities.decode(normalize_charset(text.presence || "").scrub)
end
def normalize_charset(text)
return text if @encoding == Encoding::UTF_8
return text && text.encode(@encoding).force_encoding(Encoding::UTF_8)
end
def parse_birthday(birthday)
return if birthday.blank?
date_of_birth = Date.strptime(birthday.gsub(/[^\d-]+/, ""), "%m-%d-%Y") rescue nil
return if date_of_birth.nil?
date_of_birth.year < 1904 ? Date.new(1904, date_of_birth.month, date_of_birth.day) : date_of_birth
end
def mysql_stream(sql)
@client.query(sql, stream: true)
end
def mysql_query(sql)
@client.query(sql)
end
end
BulkImport::VBulletin.new.run