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modx.rb
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# frozen_string_literal: true
require "mysql2"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
require "htmlentities"
class ImportScripts::Modx < ImportScripts::Base
BATCH_SIZE = 1000
# CHANGE THESE BEFORE RUNNING THE IMPORTER
DB_HOST ||= ENV["DB_HOST"] || "localhost"
DB_NAME ||= ENV["DB_NAME"] || "modx"
DB_PW ||= ENV["DB_PW"] || "modex"
DB_USER ||= ENV["DB_USER"] || "modx"
TIMEZONE ||= ENV["TIMEZONE"] || "America/Los_Angeles"
TABLE_PREFIX ||= ENV["TABLE_PREFIX"] || "modx_"
ATTACHMENT_DIR ||= ENV["ATTACHMENT_DIR"] || "/path/to/your/attachment/folder"
RANDOM_CATEGORY_COLOR ||= !ENV["RANDOM_CATEGORY_COLOR"].nil?
SUSPEND_ALL_USERS ||= !ENV["SUSPEND_ALL_USERS"]
# TODO: replace modx_ with #{TABLE_PREFIX}
puts "#{DB_USER}:#{DB_PW}@#{DB_HOST} wants #{DB_NAME}"
def initialize
super
SiteSetting.disable_emails = "non-staff"
@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 <<~TEXT
Cannot connect in to database.
Hostname: #{DB_HOST}
Username: #{DB_USER}
Password: #{DB_PW}
database: #{DB_NAME}
Edit the script or set these environment variables:
export DB_HOST="localhost"
export DB_NAME="modx"
export DB_PW="modx"
export DB_USER="modx"
export TABLE_PREFIX="modx_"
export ATTACHMENT_DIR '/path/to/your/attachment/folder'
Exiting.
TEXT
exit
end
def execute
import_users
import_categories
import_topics_and_posts
deactivate_all_users
suspend_users
end
def not_import_groups
puts "", "importing groups..."
groups = mysql_query <<-SQL
SELECT usergroupid, title
FROM #{TABLE_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(id) count FROM #{TABLE_PREFIX}discuss_users").first["count"]
last_user_id = -1
batches(BATCH_SIZE) do |offset|
users = mysql_query(<<-SQL).to_a
SELECT id as userid, email, concat (name_first, " ", name_last) as name, username,
location, website, status, last_active as last_seen_at,
createdon as created_at, birthdate as date_of_birth,
avatar as avatar_url,
password,
salt,
display_name,
use_display_name
FROM #{TABLE_PREFIX}discuss_users
WHERE id > #{last_user_id}
ORDER BY id
LIMIT #{BATCH_SIZE};
SQL
break if users.empty?
last_user_id = users[-1]["userid"]
before = users.size
users.reject! { |u| @lookup.user_already_imported?(u["userid"].to_i) }
create_users(users, total: user_count, offset: offset) do |user|
{
id: user["userid"],
name: user["name"],
username: user["username"],
email: user["email"],
website: user["website"],
created_at: parse_timestamp(user["created_at"]),
last_seen_at: parse_timestamp(user["last_seen_at"]),
date_of_birth: user["date_of_birth"],
password: "#{user["password"]}:#{user["salt"]}", # not tested
}
end
end
end
def import_categories
# import modx_discuss_categories as categories
# import modx_discuss_boards as subcategories
puts "", "importing categories..."
categories = mysql_query("select id, name, description from modx_discuss_categories").to_a
create_categories(categories) do |category|
puts "Creating #{category["name"]}"
puts category
{
id: "cat#{category["id"]}",
name: category["name"],
color: RANDOM_CATEGORY_COLOR ? (0..2).map { "%0x" % (rand * 0x80) }.join : nil,
description: category["description"],
}
end
puts "", "importing boards as subcategories..."
boards = mysql_query("select id, category, name, description from modx_discuss_boards;").to_a
create_categories(boards) do |category|
puts category
parent_category_id = category_id_from_imported_category_id("cat#{category["category"]}")
{
id: category["id"],
parent_category_id: parent_category_id.to_s,
name: category["name"],
color: RANDOM_CATEGORY_COLOR ? (0..2).map { "%0x" % (rand * 0x80) }.join : nil,
description: category["description"],
}
end
end
def import_topics_and_posts
puts "", "creating topics and posts"
total_count =
mysql_query("SELECT count(id) count from #{TABLE_PREFIX}discuss_posts").first["count"]
topic_first_post_id = {}
batches(BATCH_SIZE) do |offset|
results =
mysql_query(
"
SELECT id,
thread topic_id,
board category_id,
title,
message raw,
parent,
author user_id,
createdon created_at
from modx_discuss_posts
ORDER BY createdon
LIMIT #{BATCH_SIZE}
OFFSET #{offset};
",
)
break if results.size < 1
next if all_records_exist? :posts, results.map { |m| m["id"].to_i }
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] = post_process_raw(m["raw"])
mapped[:created_at] = Time.zone.at(m["created_at"])
if m["parent"] == 0
mapped[:category] = category_id_from_imported_category_id(m["category_id"])
mapped[:title] = m["title"]
topic_first_post_id[m["topic_id"]] = m["id"]
else
parent = topic_lookup_from_imported_post_id(topic_first_post_id[m["topic_id"]])
if parent
mapped[:topic_id] = parent[:topic_id]
else
puts "Parent post #{first_post_id} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}"
skip = true
end
end
skip ? nil : mapped
end
end
end
def post_process_raw(raw)
# [QUOTE]...[/QUOTE]
raw =
raw.gsub(%r{\[quote.*?\](.+?)\[/quote\]}im) do |quote|
quote = quote.gsub(/\[quote author=(.*?) .+\]/i) { "\n[quote=\"#{$1}\"]\n" }
quote = quote.gsub(%r{[^\n]\[/quote\]}im) { "\n[/quote]\n" }
end
raw
end
def not_mark_topics_as_solved
puts "", "Marking topics as solved..."
DB.exec <<~SQL
INSERT INTO topic_custom_fields (name, value, topic_id, created_at, updated_at)
SELECT 'accepted_answer_post_id', pcf.post_id, p.topic_id, p.created_at, p.created_at
FROM post_custom_fields pcf
JOIN posts p ON p.id = pcf.post_id
WHERE pcf.name = 'is_accepted_answer'
SQL
end
# find the uploaded file information from the db
def not_find_upload(post, attachment_id)
sql =
"SELECT a.attachmentid attachment_id, a.userid user_id, a.filedataid file_id, a.filename filename,
a.caption caption
FROM #{TABLE_PREFIX}attachment a
WHERE a.attachmentid = #{attachment_id}"
results = mysql_query(sql)
unless row = results.first
puts "Couldn't find attachment record for post.id = #{post.id}, import_id = #{post.custom_fields["import_id"]}"
return
end
filename =
File.join(ATTACHMENT_DIR, row["user_id"].to_s.split("").join("/"), "#{row["file_id"]}.attach")
unless File.exist?(filename)
puts "Attachment file doesn't exist: #{filename}"
return
end
real_filename = row["filename"]
real_filename.prepend SecureRandom.hex if real_filename[0] == "."
upload = create_upload(post.user.id, filename, real_filename)
if upload.nil? || !upload.valid?
puts "Upload not valid :("
puts upload.errors.inspect if upload
return
end
[upload, real_filename]
rescue Mysql2::Error => e
puts "SQL Error"
puts e.message
puts sql
end
def not_import_private_messages
puts "", "importing private messages..."
topic_count =
mysql_query("SELECT COUNT(pmtextid) count FROM #{TABLE_PREFIX}pmtext").first["count"]
last_private_message_id = -1
batches(BATCH_SIZE) do |offset|
private_messages = mysql_query(<<-SQL).to_a
SELECT pmtextid, fromuserid, title, message, touserarray, dateline
FROM #{TABLE_PREFIX}pmtext
WHERE pmtextid > #{last_private_message_id}
ORDER BY pmtextid
LIMIT #{BATCH_SIZE}
SQL
break if private_messages.empty?
last_private_message_id = private_messages[-1]["pmtextid"]
private_messages.reject! { |pm| @lookup.post_already_imported?("pm-#{pm["pmtextid"]}") }
title_username_of_pm_first_post = {}
create_posts(private_messages, total: topic_count, offset: offset) do |m|
skip = false
mapped = {}
mapped[:id] = "pm-#{m["pmtextid"]}"
mapped[:user_id] = user_id_from_imported_user_id(m["fromuserid"]) ||
Discourse::SYSTEM_USER_ID
mapped[:raw] = begin
preprocess_post_raw(m["message"])
rescue StandardError
nil
end
mapped[:created_at] = Time.zone.at(m["dateline"])
title = @htmlentities.decode(m["title"]).strip[0...255]
topic_id = nil
next if mapped[:raw].blank?
# users who are part of this private message.
target_usernames = []
target_userids = []
begin
to_user_array = PHP.unserialize(m["touserarray"])
rescue StandardError
puts "#{m["pmtextid"]} -- #{m["touserarray"]}"
skip = true
end
begin
to_user_array.each do |to_user|
if to_user[0] == "cc" || to_user[0] == "bcc" # not sure if we should include bcc users
to_user[1].each do |to_user_cc|
user_id = user_id_from_imported_user_id(to_user_cc[0])
username = User.find_by(id: user_id).try(:username)
target_userids << user_id || Discourse::SYSTEM_USER_ID
target_usernames << username if username
end
else
user_id = user_id_from_imported_user_id(to_user[0])
username = User.find_by(id: user_id).try(:username)
target_userids << user_id || Discourse::SYSTEM_USER_ID
target_usernames << username if username
end
end
rescue StandardError
puts "skipping pm-#{m["pmtextid"]} `to_user_array` is not properly serialized -- #{to_user_array.inspect}"
skip = true
end
participants = target_userids
participants << mapped[:user_id]
begin
participants.sort!
rescue StandardError
puts "one of the participant's id is nil -- #{participants.inspect}"
end
if title =~ /^Re:/
parent_id =
title_username_of_pm_first_post[[title[3..-1], participants]] ||
title_username_of_pm_first_post[[title[4..-1], participants]] ||
title_username_of_pm_first_post[[title[5..-1], participants]] ||
title_username_of_pm_first_post[[title[6..-1], participants]] ||
title_username_of_pm_first_post[[title[7..-1], participants]] ||
title_username_of_pm_first_post[[title[8..-1], participants]]
if parent_id
if t = topic_lookup_from_imported_post_id("pm-#{parent_id}")
topic_id = t[:topic_id]
end
end
else
title_username_of_pm_first_post[[title, participants]] ||= m["pmtextid"]
end
if topic_id
mapped[:topic_id] = topic_id
else
mapped[:title] = title
mapped[:archetype] = Archetype.private_message
mapped[:target_usernames] = target_usernames.join(",")
if mapped[:target_usernames].size < 1 # pm with yourself?
# skip = true
mapped[:target_usernames] = "system"
puts "pm-#{m["pmtextid"]} has no target (#{m["touserarray"]})"
end
end
skip ? nil : mapped
end
end
end
def not_import_attachments
puts "", "importing attachments..."
current_count = 0
total_count = mysql_query(<<-SQL).first["count"]
SELECT COUNT(postid) count
FROM #{TABLE_PREFIX}post p
JOIN #{TABLE_PREFIX}thread t ON t.threadid = p.threadid
WHERE t.firstpostid <> p.postid
SQL
success_count = 0
fail_count = 0
attachment_regex = %r{\[attach[^\]]*\](\d+)\[/attach\]}i
Post.find_each do |post|
current_count += 1
print_status current_count, total_count
new_raw = post.raw.dup
new_raw.gsub!(attachment_regex) do |s|
matches = attachment_regex.match(s)
attachment_id = matches[1]
upload, filename = find_upload(post, attachment_id)
unless upload
fail_count += 1
next
end
html_for_upload(upload, filename)
end
if new_raw != post.raw
PostRevisor.new(post).revise!(
post.user,
{ raw: new_raw },
bypass_bump: true,
edit_reason: "Import attachments from modx",
)
end
success_count += 1
end
end
def not_close_topics
puts "", "Closing topics..."
# keep track of closed topics
closed_topic_ids = []
topics = mysql_query <<-SQL
SELECT t.threadid threadid, firstpostid, open
FROM #{TABLE_PREFIX}thread t
JOIN #{TABLE_PREFIX}post p ON p.postid = t.firstpostid
ORDER BY t.threadid
SQL
topics.each do |topic|
topic_id = "thread-#{topic["threadid"]}"
closed_topic_ids << topic_id if topic["open"] == 0
end
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 not_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 not_create_permalink_file
puts "", "Creating Permalink File...", ""
id_mapping = []
Topic.listable_topics.find_each do |topic|
pcf = topic.first_post.custom_fields
if pcf && pcf["import_id"]
id = pcf["import_id"].split("-").last
id_mapping.push("XXX#{id} YYY#{topic.id}")
end
end
# Category.find_each do |cat|
# ccf = cat.custom_fields
# if ccf && ccf["import_id"]
# id = ccf["import_id"].to_i
# id_mapping.push("/forumdisplay.php?#{id} http://forum.quartertothree.com#{cat.url}")
# end
# end
CSV.open(File.expand_path("../vb_map.csv", __FILE__), "w") do |csv|
id_mapping.each { |value| csv << [value] }
end
end
def deactivate_all_users
User.where("id > 0 and admin != true").update_all(active: true)
end
def suspend_users
puts "", "updating blocked users"
banned = 0
failed = 0
total =
mysql_query(
"SELECT count(*) count FROM #{TABLE_PREFIX}user_attributes where blocked != 0",
).first[
"count"
]
system_user = Discourse.system_user
mysql_query(
"SELECT id, blockedafter, blockeduntil FROM #{TABLE_PREFIX}user_attributes",
).each do |b|
user = User.find_by_id(user_id_from_imported_user_id(b["id"]))
if user
user.suspended_at = parse_timestamp(user["blockedafter"])
user.suspended_till = parse_timestamp(user["blockeduntil"])
if user.save
StaffActionLogger.new(system_user).log_user_suspend(user, "banned during initial import")
banned += 1
else
puts "Failed to suspend user #{user.username}. #{user.errors.try(:full_messages).try(:inspect)}"
failed += 1
end
else
puts "Not found: #{b["userid"]}"
failed += 1
end
print_status banned + failed, total
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::Modx.new.perform