discourse/script/import_scripts/vbulletin5.rb
2024-11-06 06:27:49 +08:00

802 lines
24 KiB
Ruby

# frozen_string_literal: true
require "mysql2"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
require "htmlentities"
class ImportScripts::VBulletin < ImportScripts::Base
BATCH_SIZE = 1000
ROOT_NODE = 2
TIMEZONE = "America/Los_Angeles"
# override these using environment vars
URL_PREFIX = ENV["URL_PREFIX"] || "forum/"
DB_PREFIX = ENV["DB_PREFIX"] || "vb_"
DB_HOST = ENV["DB_HOST"] || "localhost"
DB_NAME = ENV["DB_NAME"] || "vbulletin"
DB_PASS = ENV["DB_PASS"] || "password"
DB_USER = ENV["DB_USER"] || "username"
ATTACH_DIR = ENV["ATTACH_DIR"] || "/home/discourse/vbulletin/attach"
AVATAR_DIR = ENV["AVATAR_DIR"] || "/home/discourse/vbulletin/avatars"
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, database: DB_NAME, password: DB_PASS)
@forum_typeid =
mysql_query("SELECT contenttypeid FROM #{DB_PREFIX}contenttype WHERE class='Forum'").first[
"contenttypeid"
]
@channel_typeid =
mysql_query("SELECT contenttypeid FROM #{DB_PREFIX}contenttype WHERE class='Channel'").first[
"contenttypeid"
]
@text_typeid =
mysql_query("SELECT contenttypeid FROM #{DB_PREFIX}contenttype WHERE class='Text'").first[
"contenttypeid"
]
end
def execute
import_groups
import_users
import_categories
import_topics
import_posts
import_attachments
import_tags
close_topics
post_process_posts
create_permalinks
end
def import_groups
puts "", "importing groups..."
groups = mysql_query <<-SQL
SELECT usergroupid, title
FROM #{DB_PREFIX}usergroup
ORDER BY usergroupid
SQL
create_groups(groups) do |group|
{ id: group["usergroupid"], name: @htmlentities.decode(group["title"]).strip }
end
end
def import_users
puts "", "importing users"
user_count = mysql_query("SELECT COUNT(userid) count FROM #{DB_PREFIX}user").first["count"]
batches(BATCH_SIZE) do |offset|
users = mysql_query <<-SQL
SELECT u.userid, u.username, u.homepage, u.usertitle, u.usergroupid, u.joindate, u.email,
CASE WHEN u.scheme='blowfish:10' THEN token
WHEN u.scheme='legacy' THEN REPLACE(token, ' ', ':')
END AS password,
IF(ug.title = 'Administrators', 1, 0) AS admin
FROM #{DB_PREFIX}user u
LEFT JOIN #{DB_PREFIX}usergroup ug ON ug.usergroupid = u.usergroupid
ORDER BY userid
LIMIT #{BATCH_SIZE}
OFFSET #{offset}
SQL
break if users.size < 1
# disabled line below, caused issues
# next if all_records_exist? :users, users.map {|u| u["userid"].to_i}
create_users(users, total: user_count, offset: offset) do |user|
username = @htmlentities.decode(user["username"]).strip
{
id: user["userid"],
name: username,
username: username,
email: user["email"].presence || fake_email,
admin: user["admin"] == 1,
password: user["password"],
website: user["homepage"].strip,
title: @htmlentities.decode(user["usertitle"]).strip,
primary_group_id: group_id_from_imported_group_id(user["usergroupid"]),
created_at: parse_timestamp(user["joindate"]),
post_create_action:
proc do |u|
@old_username_to_new_usernames[user["username"]] = u.username
import_profile_picture(user, u)
# import_profile_background(user, u)
end,
}
end
end
end
def import_profile_picture(old_user, imported_user)
query = mysql_query <<-SQL
SELECT filedata, filename
FROM #{DB_PREFIX}customavatar
WHERE userid = #{old_user["userid"]}
ORDER BY dateline DESC
LIMIT 1
SQL
picture = query.first
return if picture.nil?
if picture["filedata"]
file = Tempfile.new("profile-picture")
file.write(picture["filedata"].encode("ASCII-8BIT").force_encoding("UTF-8"))
file.rewind
upload = UploadCreator.new(file, picture["filename"]).create_for(imported_user.id)
else
filename = File.join(AVATAR_DIR, picture["filename"])
unless File.exist?(filename)
puts "Avatar file doesn't exist: #{filename}"
return nil
end
upload = create_upload(imported_user.id, filename, picture["filename"])
end
return if !upload.persisted?
imported_user.create_user_avatar
imported_user.user_avatar.update(custom_upload_id: upload.id)
imported_user.update(uploaded_avatar_id: upload.id)
ensure
begin
file.close
rescue StandardError
nil
end
begin
file.unlind
rescue StandardError
nil
end
end
def import_profile_background(old_user, imported_user)
query = mysql_query <<-SQL
SELECT filedata, filename
FROM #{DB_PREFIX}customprofilepic
WHERE userid = #{old_user["userid"]}
ORDER BY dateline DESC
LIMIT 1
SQL
background = query.first
return if background.nil?
file = Tempfile.new("profile-background")
file.write(background["filedata"].encode("ASCII-8BIT").force_encoding("UTF-8"))
file.rewind
upload = UploadCreator.new(file, background["filename"]).create_for(imported_user.id)
return if !upload.persisted?
imported_user.user_profile.upload_profile_background(upload)
ensure
begin
file.close
rescue StandardError
nil
end
begin
file.unlink
rescue StandardError
nil
end
end
def import_categories
puts "", "importing top level categories..."
categories =
mysql_query(
"SELECT nodeid AS forumid, title, description, displayorder, parentid
FROM #{DB_PREFIX}node
WHERE parentid=#{ROOT_NODE}
UNION
SELECT nodeid, title, description, displayorder, parentid
FROM #{DB_PREFIX}node
WHERE contenttypeid = #{@channel_typeid}
AND parentid IN (SELECT nodeid FROM #{DB_PREFIX}node WHERE parentid=#{ROOT_NODE})",
).to_a
top_level_categories = categories.select { |c| c["parentid"] == ROOT_NODE }
create_categories(top_level_categories) do |category|
{
id: category["forumid"],
name: @htmlentities.decode(category["title"]).strip,
position: category["displayorder"],
description: @htmlentities.decode(category["description"]).strip,
}
end
puts "", "importing child categories..."
children_categories = categories.select { |c| c["parentid"] != ROOT_NODE }
top_level_category_ids = Set.new(top_level_categories.map { |c| c["forumid"] })
# 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["forumid"] == cc["parentid"] }["parentid"]
end
end
create_categories(children_categories) do |category|
{
id: category["forumid"],
name: @htmlentities.decode(category["title"]).strip,
position: category["displayorder"],
description: @htmlentities.decode(category["description"]).strip,
parent_category_id: category_id_from_imported_category_id(category["parentid"]),
}
end
end
def import_topics
puts "", "importing topics..."
# keep track of closed topics
@closed_topic_ids = []
topic_count =
mysql_query(
"SELECT COUNT(nodeid) cnt
FROM #{DB_PREFIX}node
WHERE (unpublishdate = 0 OR unpublishdate IS NULL)
AND (approved = 1 AND showapproved = 1)
AND parentid IN (
SELECT nodeid FROM #{DB_PREFIX}node WHERE contenttypeid=#{@channel_typeid} ) AND contenttypeid=#{@text_typeid};",
).first[
"cnt"
]
batches(BATCH_SIZE) do |offset|
topics = mysql_query <<-SQL
SELECT t.nodeid AS threadid, t.title, t.parentid AS forumid,t.open,t.userid AS postuserid,t.publishdate AS dateline,
nv.count views, 1 AS visible, t.sticky,
CONVERT(CAST(rawtext AS BINARY)USING utf8) AS raw
FROM #{DB_PREFIX}node t
LEFT JOIN #{DB_PREFIX}nodeview nv ON nv.nodeid=t.nodeid
LEFT JOIN #{DB_PREFIX}text txt ON txt.nodeid=t.nodeid
WHERE t.parentid in ( select nodeid from #{DB_PREFIX}node where contenttypeid=#{@channel_typeid} )
AND t.contenttypeid = #{@text_typeid}
AND (t.unpublishdate = 0 OR t.unpublishdate IS NULL)
AND t.approved = 1 AND t.showapproved = 1
ORDER BY t.nodeid
LIMIT #{BATCH_SIZE}
OFFSET #{offset}
SQL
break if topics.size < 1
# disabled line below, caused issues
# next if all_records_exist? :posts, topics.map {|t| "thread-#{topic["threadid"]}" }
create_posts(topics, total: topic_count, offset: offset) do |topic|
raw =
begin
preprocess_post_raw(topic["raw"])
rescue StandardError
nil
end
next if raw.blank?
topic_id = "thread-#{topic["threadid"]}"
@closed_topic_ids << topic_id if topic["open"] == "0"
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["forumid"]),
raw: raw,
created_at: parse_timestamp(topic["dateline"]),
visible: topic["visible"].to_i == 1,
views: topic["views"],
}
t[:pinned_at] = t[:created_at] if topic["sticky"].to_i == 1
t
end
end
end
def import_posts
puts "", "importing posts..."
# make sure `firstpostid` is indexed
begin
mysql_query("CREATE INDEX firstpostid_index ON thread (firstpostid)")
rescue StandardError
end
post_count =
mysql_query(
"SELECT COUNT(nodeid) cnt FROM #{DB_PREFIX}node WHERE parentid NOT IN (
SELECT nodeid FROM #{DB_PREFIX}node WHERE contenttypeid=#{@channel_typeid} ) AND contenttypeid=#{@text_typeid};",
).first[
"cnt"
]
batches(BATCH_SIZE) do |offset|
posts = mysql_query <<-SQL
SELECT p.nodeid AS postid, p.userid AS userid, p.parentid AS threadid,
CONVERT(CAST(rawtext AS BINARY)USING utf8) AS raw, p.publishdate AS dateline,
1 AS visible, p.parentid AS parentid
FROM #{DB_PREFIX}node p
LEFT JOIN #{DB_PREFIX}nodeview nv ON nv.nodeid=p.nodeid
LEFT JOIN #{DB_PREFIX}text txt ON txt.nodeid=p.nodeid
WHERE p.parentid NOT IN ( select nodeid from #{DB_PREFIX}node where contenttypeid=#{@channel_typeid} )
AND p.contenttypeid = #{@text_typeid}
ORDER BY postid
LIMIT #{BATCH_SIZE}
OFFSET #{offset}
SQL
break if posts.size < 1
# disabled line below, caused issues
# next if all_records_exist? :posts, posts.map {|p| p["postid"] }
create_posts(posts, total: post_count, offset: offset) do |post|
raw = preprocess_post_raw(post["raw"])
next if raw.blank?
next unless topic = topic_lookup_from_imported_post_id("thread-#{post["threadid"]}")
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: parse_timestamp(post["dateline"]),
hidden: post["visible"].to_i != 1,
}
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_attachments
puts "", "importing attachments..."
ext =
mysql_query("SELECT GROUP_CONCAT(DISTINCT(extension)) exts FROM #{DB_PREFIX}filedata").first[
"exts"
].split(",")
SiteSetting.authorized_extensions =
(SiteSetting.authorized_extensions.split("|") + ext).uniq.join("|")
uploads = mysql_query <<-SQL
SELECT n.parentid nodeid, a.filename, fd.userid, LENGTH(fd.filedata) AS dbsize, filedata, fd.filedataid
FROM #{DB_PREFIX}attach a
LEFT JOIN #{DB_PREFIX}filedata fd ON fd.filedataid = a.filedataid
LEFT JOIN #{DB_PREFIX}node n on n.nodeid = a.nodeid
SQL
current_count = 0
total_count = uploads.count
uploads.each do |upload|
post_id =
PostCustomField.where(name: "import_id").where(value: upload["nodeid"]).first&.post_id
post_id =
PostCustomField
.where(name: "import_id")
.where(value: "thread-#{upload["nodeid"]}")
.first
&.post_id unless post_id
if post_id.nil?
puts "Post for #{upload["nodeid"]} not found"
next
end
post = Post.find(post_id)
filename =
File.join(
ATTACH_DIR,
upload["userid"].to_s.split("").join("/"),
"#{upload["filedataid"]}.attach",
)
real_filename = upload["filename"]
real_filename.prepend SecureRandom.hex if real_filename[0] == "."
unless File.exist?(filename)
# attachments can be on filesystem or in database
# try to retrieve from database if the file did not exist on filesystem
if upload["dbsize"].to_i == 0
puts "Attachment file #{upload["filedataid"]} doesn't exist"
next
end
tmpfile = "attach_" + upload["filedataid"].to_s
filename = File.join("/tmp/", tmpfile)
File.open(filename, "wb") do |f|
#f.write(PG::Connection.unescape_bytea(row['filedata']))
f.write(upload["filedata"])
end
end
upl_obj = create_upload(post.user.id, filename, real_filename)
if upl_obj&.persisted?
html = html_for_upload(upl_obj, real_filename)
if !post.raw[html]
post.raw += "\n\n#{html}\n\n"
post.save!
UploadReference.ensure_exist!(upload_ids: [upl_obj.id], target: post)
end
else
puts "Fail"
exit
end
current_count += 1
print_status(current_count, total_count)
end
end
def close_topics
puts "", "Closing topics..."
sql = <<-SQL
WITH closed_topic_ids AS (
SELECT t.id AS topic_id
FROM post_custom_fields pcf
JOIN posts p ON p.id = pcf.post_id
JOIN topics t ON t.id = p.topic_id
WHERE pcf.name = 'import_id'
AND pcf.value IN (?)
)
UPDATE topics
SET closed = true
WHERE id IN (SELECT topic_id FROM closed_topic_ids)
SQL
DB.exec(sql, @closed_topic_ids)
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)
# fix whitespaces
raw = raw.gsub(/(\\r)?\\n/, "\n").gsub("\\t", "\t")
# [HTML]...[/HTML]
raw = raw.gsub(/\[html\]/i, "\n```html\n").gsub(%r{\[/html\]}i, "\n```\n")
# [PHP]...[/PHP]
raw = raw.gsub(/\[php\]/i, "\n```php\n").gsub(%r{\[/php\]}i, "\n```\n")
# [HIGHLIGHT="..."]
raw = raw.gsub(/\[highlight="?(\w+)"?\]/i) { "\n```#{$1.downcase}\n" }
# [CODE]...[/CODE]
# [HIGHLIGHT]...[/HIGHLIGHT]
raw = raw.gsub(%r{\[/?code\]}i, "\n```\n").gsub(%r{\[/?highlight\]}i, "\n```\n")
# [SAMP]...[/SAMP]
raw = raw.gsub(%r{\[/?samp\]}i, "`")
# replace all chevrons with HTML entities
# NOTE: must be done
# - AFTER all the "code" processing
# - BEFORE the "quote" processing
raw =
raw
.gsub(/`([^`]+)`/im) { "`" + $1.gsub("<", "\u2603") + "`" }
.gsub("<", "&lt;")
.gsub("\u2603", "<")
raw =
raw
.gsub(/`([^`]+)`/im) { "`" + $1.gsub(">", "\u2603") + "`" }
.gsub(">", "&gt;")
.gsub("\u2603", ">")
# [URL=...]...[/URL]
raw.gsub!(%r{\[url="?(.+?)"?\](.+?)\[/url\]}i) { "<a href=\"#{$1}\">#{$2}</a>" }
# [URL]...[/URL]
# [MP3]...[/MP3]
raw = raw.gsub(%r{\[/?url\]}i, "").gsub(%r{\[/?mp3\]}i, "")
# [MENTION]<username>[/MENTION]
raw =
raw.gsub(%r{\[mention\](.+?)\[/mention\]}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
# [USER=<user_id>]<username>[/USER]
raw =
raw.gsub(%r{\[user="?(\d+)"?\](.+?)\[/user\]}i) do
user_id, old_username = $1, $2
if @old_username_to_new_usernames.has_key?(old_username)
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! %r{\[color=.*?\](.*?)\[/color\]}im, '\1'
raw.gsub! %r{\[COLOR=.*?\](.*?)\[/COLOR\]}im, '\1'
raw.gsub! %r{\[font=.*?\](.*?)\[/font\]}im, '\1'
raw.gsub! %r{\[FONT=.*?\](.*?)\[/FONT\]}im, '\1'
# [CENTER]...[/CENTER]
raw.gsub! %r{\[CENTER\](.*?)\[/CENTER\]}im, '\1'
# fix LIST
raw.gsub! %r{\[LIST\](.*?)\[/LIST\]}im, '<ul>\1</ul>'
raw.gsub! /\[\*\]/im, "<li>"
# [QUOTE]...[/QUOTE]
raw = raw.gsub(%r{\[quote\](.+?)\[/quote\]}im) { "\n> #{$1}\n" }
# [QUOTE=<username>]...[/QUOTE]
raw =
raw.gsub(%r{\[quote=([^;\]]+)\](.+?)\[/quote\]}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(%r{\[youtube\](.+?)\[/youtube\]}i) { "\n//youtu.be/#{$1}\n" }
# [VIDEO=youtube;<id>]...[/VIDEO]
raw = raw.gsub(%r{\[video=youtube;([^\]]+)\].*?\[/video\]}i) { "\n//youtu.be/#{$1}\n" }
raw
end
def postprocess_post_raw(raw)
# [QUOTE=<username>;<post_id>]...[/QUOTE]
raw =
raw.gsub(%r{\[quote=([^;]+);n(\d+)\](.+?)\[/quote\]}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(%r{\[attach[^\]]*\]\d+\[/attach\]}i, "")
# [THREAD]<thread_id>[/THREAD]
# ==> http://my.discourse.org/t/slug/<topic_id>
raw =
raw.gsub(%r{\[thread\](\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(%r{\[thread=(\d+)\](.+?)\[/thread\]}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(%r{\[post\](\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(%r{\[post=(\d+)\](.+?)\[/post\]}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 permalinks..."
current_count = 0
total_count =
mysql_query(
"SELECT COUNT(nodeid) cnt
FROM #{DB_PREFIX}node
WHERE (unpublishdate = 0 OR unpublishdate IS NULL)
AND (approved = 1 AND showapproved = 1)
AND parentid IN (
SELECT nodeid FROM #{DB_PREFIX}node WHERE contenttypeid=#{@channel_typeid} ) AND contenttypeid=#{@text_typeid};",
).first[
"cnt"
]
batches(BATCH_SIZE) do |offset|
topics = mysql_query <<-SQL
SELECT p.urlident p1, f.urlident p2, t.nodeid, t.urlident p3
FROM #{DB_PREFIX}node f
LEFT JOIN #{DB_PREFIX}node t ON t.parentid = f.nodeid
LEFT JOIN #{DB_PREFIX}node p ON p.nodeid = f.parentid
WHERE f.contenttypeid = #{@channel_typeid}
AND t.contenttypeid = #{@text_typeid}
AND t.approved = 1 AND t.showapproved = 1
AND (t.unpublishdate = 0 OR t.unpublishdate IS NULL)
ORDER BY t.nodeid
LIMIT #{BATCH_SIZE}
OFFSET #{offset}
SQL
break if topics.size < 1
topics.each do |topic|
current_count += 1
print_status current_count, total_count
disc_topic = topic_lookup_from_imported_post_id("thread-#{topic["nodeid"]}")
begin
Permalink.create(
url: "#{URL_PREFIX}#{topic["p1"]}/#{topic["p2"]}/#{topic["nodeid"]}-#{topic["p3"]}",
topic_id: disc_topic[:topic_id],
)
rescue StandardError
nil
end
end
end
# cats
cats = mysql_query <<-SQL
SELECT nodeid, urlident
FROM #{DB_PREFIX}node
WHERE contenttypeid=#{@channel_typeid}
AND parentid=#{ROOT_NODE};
SQL
cats.each do |c|
category_id =
CategoryCustomField.where(name: "import_id").where(value: c["nodeid"]).first.category_id
begin
Permalink.create(url: "#{URL_PREFIX}#{c["urlident"]}", category_id: category_id)
rescue StandardError
nil
end
end
# subcats
subcats = mysql_query <<-SQL
SELECT n1.nodeid,n2.urlident p1,n1.urlident p2
FROM #{DB_PREFIX}node n1
LEFT JOIN #{DB_PREFIX}node n2 ON n2.nodeid=n1.parentid
WHERE n2.parentid = #{ROOT_NODE}
AND n1.contenttypeid=#{@channel_typeid};
SQL
subcats.each do |sc|
category_id =
CategoryCustomField.where(name: "import_id").where(value: sc["nodeid"]).first.category_id
begin
Permalink.create(url: "#{URL_PREFIX}#{sc["p1"]}/#{sc["p2"]}", category_id: category_id)
rescue StandardError
nil
end
end
end
def import_tags
puts "", "importing tags..."
SiteSetting.tagging_enabled = true
SiteSetting.max_tags_per_topic = 100
staff_guardian = Guardian.new(Discourse.system_user)
records = mysql_query(<<~SQL).to_a
SELECT nodeid, GROUP_CONCAT(tagtext) tags
FROM #{DB_PREFIX}tag t
LEFT JOIN #{DB_PREFIX}tagnode tn ON tn.tagid = t.tagid
WHERE t.tagid IS NOT NULL
AND tn.nodeid IS NOT NULL
GROUP BY nodeid
SQL
current_count = 0
total_count = records.count
records.each do |rec|
current_count += 1
print_status current_count, total_count
tl = topic_lookup_from_imported_post_id("thread-#{rec["nodeid"]}")
next if tl.nil? # topic might have been deleted
topic = Topic.find(tl[:topic_id])
tag_names = rec["tags"].force_encoding("UTF-8").split(",")
DiscourseTagging.tag_topic_by_names(topic, staff_guardian, tag_names)
end
end
def parse_timestamp(timestamp)
Time.zone.at(@tz.utc_to_local(timestamp))
end
def mysql_query(sql)
@client.query(sql, cache_rows: false)
end
end
ImportScripts::VBulletin.new.perform