add XenForo importer

This commit is contained in:
Arpit Jalan 2015-06-11 17:57:46 +05:30
parent efb02ae561
commit ef0f1b2dbd
1 changed files with 205 additions and 0 deletions

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require "mysql2"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
# Call it like this:
# RAILS_ENV=production bundle exec ruby script/import_scripts/xenforo.rb
class ImportScripts::XenForo < ImportScripts::Base
XENFORO_DB = "xenforo_db"
TABLE_PREFIX = "xf_"
BATCH_SIZE = 1000
def initialize
super
@client = Mysql2::Client.new(
host: "localhost",
username: "root",
password: "pa$$word",
database: XENFORO_DB
)
end
def execute
import_users
import_categories
import_posts
end
def import_users
puts '', "creating users"
total_count = mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}user;").first['count']
batches(BATCH_SIZE) do |offset|
results = mysql_query(
"SELECT user_id id, username, email, custom_title title, register_date created_at,
last_activity last_visit_time, user_group_id, is_moderator, is_admin, is_staff
FROM #{TABLE_PREFIX}user
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'],
title: user['title'],
created_at: Time.zone.at(user['created_at']),
last_seen_at: Time.zone.at(user['last_visit_time']),
moderator: user['is_moderator'] == 1 || user['is_staff'] == 1,
admin: user['is_admin'] == 1 }
end
end
end
def import_categories
puts "", "importing categories..."
# Note that this script uses Prefix as Category, you may want to change this as per your requirement
categories = mysql_query("
SELECT prefix_id id
FROM #{TABLE_PREFIX}thread_prefix
ORDER BY prefix_id ASC
").to_a
create_categories(categories) do |category|
{
id: category["id"],
name: "Category-#{category["id"]}"
}
end
end
def import_posts
puts "", "creating topics and posts"
total_count = mysql_query("SELECT count(*) count from #{TABLE_PREFIX}post").first["count"]
batches(BATCH_SIZE) do |offset|
results = mysql_query("
SELECT p.post_id id,
t.thread_id topic_id,
t.prefix_id category_id,
t.title title,
t.first_post_id first_post_id,
p.user_id user_id,
p.message raw,
p.post_date created_at
FROM #{TABLE_PREFIX}post p,
#{TABLE_PREFIX}thread t
WHERE p.thread_id = t.thread_id
ORDER BY p.post_date
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_xenforo_post(m['raw'], m['id'])
mapped[:created_at] = Time.zone.at(m['created_at'])
if m['id'] == m['first_post_id']
if m['category_id'].to_i == 0 || m['category_id'].nil?
mapped[:category] = SiteSetting.uncategorized_category_id
else
mapped[:category] = category_id_from_imported_category_id(m['category_id'].to_i)
end
mapped[:title] = CGI.unescapeHTML(m['title'])
else
parent = topic_lookup_from_imported_post_id(m['first_post_id'])
if parent
mapped[:topic_id] = parent[:topic_id]
else
puts "Parent post #{m['first_post_id']} doesn't exist. Skipping #{m["id"]}: #{m["title"][0..40]}"
skip = true
end
end
skip ? nil : mapped
end
end
end
def process_xenforo_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!(/\[list\](.*?)\[\/list:u\]/m, '[ul]\1[/ul]')
s.gsub!(/\[list=1\](.*?)\[\/list:o\]/m, '[ol]\1[/ol]')
# convert *-tags to li-tags so bbcode-to-md can do its magic on phpBB's lists:
s.gsub!(/\[\*\](.*?)\[\/\*:m\]/, '[li]\1[/li]')
# [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
end
def mysql_query(sql)
@client.query(sql, cache_rows: false)
end
end
ImportScripts::XenForo.new.perform