discourse/script/import_scripts/phorum.rb

289 lines
8.7 KiB
Ruby

# frozen_string_literal: true
require "mysql2"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
class ImportScripts::Phorum < ImportScripts::Base
PHORUM_DB = "piwik"
TABLE_PREFIX = "pw_"
BATCH_SIZE = 1000
def initialize
super
@client = Mysql2::Client.new(
host: "localhost",
username: "root",
password: "pa$$word",
database: PHORUM_DB
)
end
def execute
import_users
import_categories
import_posts
import_attachments
end
def import_users
puts '', "creating users"
total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}users;").first['count']
batches(BATCH_SIZE) do |offset|
results = mysql_query(
"SELECT user_id id, username, TRIM(email) AS email, username name, date_added created_at,
date_last_active last_seen_at, admin
FROM #{TABLE_PREFIX}users
WHERE #{TABLE_PREFIX}users.active = 1
LIMIT #{BATCH_SIZE}
OFFSET #{offset};")
break if results.size < 1
create_users(results, total: total_count, offset: offset) do |user|
next if user['username'].blank?
{ id: user['id'],
email: user['email'],
username: user['username'],
name: user['name'],
created_at: Time.zone.at(user['created_at']),
last_seen_at: Time.zone.at(user['last_seen_at']),
admin: user['admin'] == 1 }
end
end
end
def import_categories
puts "", "importing categories..."
categories = mysql_query("
SELECT forum_id id, name, description, active
FROM #{TABLE_PREFIX}forums
ORDER BY forum_id ASC
").to_a
create_categories(categories) do |category|
next if category['active'] == 0
{
id: category['id'],
name: category["name"],
description: category["description"]
}
end
# uncomment below lines to create permalink
# categories.each do |category|
# Permalink.create(url: "list.php?#{category['id']}", category_id: category_id_from_imported_category_id(category['id'].to_i))
# end
end
def import_posts
puts "", "creating topics and posts"
total_count = mysql_query("SELECT count(*) count from #{TABLE_PREFIX}messages").first["count"]
batches(BATCH_SIZE) do |offset|
results = mysql_query("
SELECT m.message_id id,
m.parent_id,
m.forum_id category_id,
m.subject title,
m.user_id user_id,
m.body raw,
m.closed closed,
m.datestamp created_at
FROM #{TABLE_PREFIX}messages m
ORDER BY m.datestamp
LIMIT #{BATCH_SIZE}
OFFSET #{offset};
").to_a
break if results.size < 1
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] = process_raw_post(m['raw'], m['id'])
mapped[:created_at] = Time.zone.at(m['created_at'])
if m['parent_id'] == 0
mapped[:category] = category_id_from_imported_category_id(m['category_id'].to_i)
mapped[:title] = CGI.unescapeHTML(m['title'])
else
parent = topic_lookup_from_imported_post_id(m['parent_id'])
if parent
mapped[:topic_id] = parent[:topic_id]
else
puts "Parent post #{m['parent_id']} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}"
skip = true
end
end
skip ? nil : mapped
end
# uncomment below lines to create permalink
# results.each do |post|
# if post['parent_id'] == 0
# topic = topic_lookup_from_imported_post_id(post['id'].to_i)
# Permalink.create(url: "read.php?#{post['category_id']},#{post['id']}", topic_id: topic[:topic_id].to_i)
# end
# end
end
end
def process_raw_post(raw, import_id)
s = raw.dup
# :) is encoded as <!-- s:) --><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
s.gsub!(/<!-- s(\S+) --><img (?:[^>]+) \/><!-- s(?:\S+) -->/, '\1')
# Some links look like this: <!-- m --><a class="postlink" href="http://www.onegameamonth.com">http://www.onegameamonth.com</a><!-- m -->
s.gsub!(/<!-- \w --><a(?:.+)href="(\S+)"(?:.*)>(.+)<\/a><!-- \w -->/, '[\2](\1)')
# Many phpbb bbcode tags have a hash attached to them. Examples:
# [url=https&#58;//google&#46;com:1qh1i7ky]click here[/url:1qh1i7ky]
# [quote=&quot;cybereality&quot;:b0wtlzex]Some text.[/quote:b0wtlzex]
s.gsub!(/:(?:\w{8})\]/, ']')
# Remove mybb video tags.
s.gsub!(/(^\[video=.*?\])|(\[\/video\]$)/, '')
s = CGI.unescapeHTML(s)
# phpBB shortens link text like this, which breaks our markdown processing:
# [http://answers.yahoo.com/question/index ... 223AAkkPli](http://answers.yahoo.com/question/index?qid=20070920134223AAkkPli)
#
# Work around it for now:
s.gsub!(/\[http(s)?:\/\/(www\.)?/, '[')
# [QUOTE]...[/QUOTE]
s.gsub!(/\[quote\](.+?)\[\/quote\]/im) { "\n> #{$1}\n" }
# [URL=...]...[/URL]
s.gsub!(/\[url="?(.+?)"?\](.+)\[\/url\]/i) { "[#{$2}](#{$1})" }
# [IMG]...[/IMG]
s.gsub!(/\[\/?img\]/i, "")
# convert list tags to ul and list=1 tags to ol
# (basically, we're only missing list=a here...)
s.gsub!(/\[list\](.*?)\[\/list\]/m, '[ul]\1[/ul]')
s.gsub!(/\[list=1\](.*?)\[\/list\]/m, '[ol]\1[/ol]')
# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
s.gsub!(/\[\*\](.*?)\n/, '[li]\1[/li]')
# [CODE]...[/CODE]
s.gsub!(/\[\/?code\]/i, "\n```\n")
# [HIGHLIGHT]...[/HIGHLIGHT]
s.gsub!(/\[\/?highlight\]/i, "\n```\n")
# [YOUTUBE]<id>[/YOUTUBE]
s.gsub!(/\[youtube\](.+?)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
# [youtube=425,350]id[/youtube]
s.gsub!(/\[youtube="?(.+?)"?\](.+)\[\/youtube\]/i) { "\nhttps://www.youtube.com/watch?v=#{$2}\n" }
# [MEDIA=youtube]id[/MEDIA]
s.gsub!(/\[MEDIA=youtube\](.+?)\[\/MEDIA\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
# [ame="youtube_link"]title[/ame]
s.gsub!(/\[ame="?(.+?)"?\](.+)\[\/ame\]/i) { "\n#{$1}\n" }
# [VIDEO=youtube;<id>]...[/VIDEO]
s.gsub!(/\[video=youtube;([^\]]+)\].*?\[\/video\]/i) { "\nhttps://www.youtube.com/watch?v=#{$1}\n" }
# [USER=706]@username[/USER]
s.gsub!(/\[user="?(.+?)"?\](.+)\[\/user\]/i) { $2 }
# Remove the color tag
s.gsub!(/\[color=[#a-z0-9]+\]/i, "")
s.gsub!(/\[\/color\]/i, "")
s.gsub!(/\[hr\]/i, "<hr>")
# remove trailing <br>
s = s.chomp("<br>")
s
end
def mysql_query(sql)
@client.query(sql, cache_rows: false)
end
def import_attachments
puts '', 'importing attachments...'
uploads = mysql_query <<-SQL
SELECT message_id, filename, FROM_BASE64(file_data) AS file_data, file_id
FROM #{TABLE_PREFIX}files
where message_id > 0
order by file_id
SQL
current_count = 0
total_count = uploads.count
uploads.each do |upload|
# puts "*** processing file #{upload['file_id']}"
post_id = post_id_from_imported_post_id(upload['message_id'])
if post_id.nil?
puts "Post #{upload['message_id']} for attachment #{upload['file_id']} not found"
next
end
post = Post.find(post_id)
real_filename = upload['filename']
real_filename.prepend SecureRandom.hex if real_filename[0] == '.'
tmpfile = 'attach_' + upload['file_id'].to_s
filename = File.join('/tmp/', tmpfile)
File.open(filename, 'wb') { |f|
f.write(upload['file_data'])
}
upl_obj = create_upload(post.user.id, filename, real_filename)
# puts "discourse post #{post['id']} and upload #{upl_obj['id']}"
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!
if PostUpload.where(post: post, upload: upl_obj).exists?
puts "skipping creating uploaded for previously uploaded file #{upload['file_id']}"
else
PostUpload.create!(post: post, upload: upl_obj)
end
# PostUpload.create!(post: post, upload: upl_obj) unless PostUpload.where(post: post, upload: upl_obj).exists?
else
puts "Skipping attachment #{upload['file_id']}"
end
else
puts "Failed to upload attachment #{upload['file_id']}"
exit
end
current_count += 1
print_status(current_count, total_count)
end
end
end
ImportScripts::Phorum.new.perform