mirror of
https://github.com/discourse/discourse.git
synced 2024-12-30 10:33:44 +08:00
250 lines
7.2 KiB
Ruby
250 lines
7.2 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require "mysql2"
|
|
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
|
|
|
|
class ImportScripts::SimplePress < ImportScripts::Base
|
|
SIMPLE_PRESS_DB = ENV["SIMPLEPRESS_DB"] || "simplepress"
|
|
TABLE_PREFIX = "wp_sf"
|
|
BATCH_SIZE = 1000
|
|
|
|
def initialize
|
|
super
|
|
|
|
@client = Mysql2::Client.new(host: "localhost", username: "root", database: SIMPLE_PRESS_DB)
|
|
|
|
SiteSetting.max_username_length = 50
|
|
end
|
|
|
|
def execute
|
|
import_users
|
|
import_categories
|
|
import_topics
|
|
import_posts
|
|
end
|
|
|
|
def import_users
|
|
puts "", "importing users..."
|
|
|
|
last_user_id = -1
|
|
total_users =
|
|
mysql_query("SELECT COUNT(*) count FROM wp_users WHERE user_email LIKE '%@%'").first["count"]
|
|
|
|
batches(BATCH_SIZE) do |offset|
|
|
users = mysql_query(<<-SQL).to_a
|
|
SELECT ID id, user_nicename, display_name, user_email, user_registered, user_url
|
|
FROM wp_users
|
|
WHERE user_email LIKE '%@%'
|
|
AND id > #{last_user_id}
|
|
ORDER BY id
|
|
LIMIT #{BATCH_SIZE}
|
|
SQL
|
|
|
|
break if users.empty?
|
|
|
|
last_user_id = users[-1]["id"]
|
|
user_ids = users.map { |u| u["id"].to_i }
|
|
|
|
next if all_records_exist?(:users, user_ids)
|
|
|
|
user_ids_sql = user_ids.join(",")
|
|
|
|
users_description = {}
|
|
mysql_query(<<-SQL).each { |um| users_description[um["user_id"]] = um["description"] }
|
|
SELECT user_id, meta_value description
|
|
FROM wp_usermeta
|
|
WHERE user_id IN (#{user_ids_sql})
|
|
AND meta_key = 'description'
|
|
SQL
|
|
|
|
create_users(users, total: total_users, offset: offset) do |u|
|
|
{
|
|
id: u["id"].to_i,
|
|
username: u["user_nicename"],
|
|
email: u["user_email"].downcase,
|
|
name: u["display_name"],
|
|
created_at: u["user_registered"],
|
|
website: u["user_url"],
|
|
bio_raw: users_description[u["id"]],
|
|
}
|
|
end
|
|
end
|
|
end
|
|
|
|
def import_categories
|
|
puts "", "importing categories..."
|
|
|
|
categories = mysql_query(<<-SQL)
|
|
SELECT forum_id, forum_name, forum_seq, forum_desc, parent
|
|
FROM #{TABLE_PREFIX}forums
|
|
ORDER BY forum_id
|
|
SQL
|
|
|
|
create_categories(categories) do |c|
|
|
category = {
|
|
id: c["forum_id"],
|
|
name: CGI.unescapeHTML(c["forum_name"]),
|
|
description: CGI.unescapeHTML(c["forum_desc"]),
|
|
position: c["forum_seq"],
|
|
}
|
|
if (parent_id = c["parent"].to_i) > 0
|
|
category[:parent_category_id] = category_id_from_imported_category_id(parent_id)
|
|
end
|
|
category
|
|
end
|
|
end
|
|
|
|
def import_topics
|
|
puts "", "creating topics"
|
|
|
|
total_count =
|
|
mysql_query("SELECT COUNT(*) count FROM #{TABLE_PREFIX}posts WHERE post_index = 1").first[
|
|
"count"
|
|
]
|
|
|
|
batches(BATCH_SIZE) do |offset|
|
|
results =
|
|
mysql_query(
|
|
"
|
|
SELECT p.post_id id,
|
|
p.topic_id topic_id,
|
|
t.forum_id category_id,
|
|
t.topic_name title,
|
|
t.topic_opened views,
|
|
t.topic_pinned pinned,
|
|
p.user_id user_id,
|
|
p.post_content raw,
|
|
p.post_date post_time
|
|
FROM #{TABLE_PREFIX}posts p,
|
|
#{TABLE_PREFIX}topics t
|
|
WHERE p.topic_id = t.topic_id
|
|
AND p.post_index = 1
|
|
ORDER BY p.post_id
|
|
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|
|
|
created_at = Time.zone.at(m["post_time"])
|
|
{
|
|
id: m["id"],
|
|
user_id: user_id_from_imported_user_id(m["user_id"]) || -1,
|
|
raw: process_simplepress_post(m["raw"], m["id"]),
|
|
created_at: created_at,
|
|
category: category_id_from_imported_category_id(m["category_id"]),
|
|
title: CGI.unescapeHTML(m["title"]),
|
|
views: m["views"],
|
|
pinned_at: m["pinned"] == 1 ? created_at : nil,
|
|
}
|
|
end
|
|
end
|
|
end
|
|
|
|
def import_posts
|
|
puts "", "creating posts"
|
|
|
|
topic_first_post_id = {}
|
|
|
|
mysql_query(
|
|
"
|
|
SELECT t.topic_id, p.post_id
|
|
FROM #{TABLE_PREFIX}topics t
|
|
JOIN #{TABLE_PREFIX}posts p ON p.topic_id = t.topic_id
|
|
WHERE p.post_index = 1
|
|
",
|
|
).each { |r| topic_first_post_id[r["topic_id"]] = r["post_id"] }
|
|
|
|
total_count =
|
|
mysql_query("SELECT count(*) count FROM #{TABLE_PREFIX}posts WHERE post_index <> 1").first[
|
|
"count"
|
|
]
|
|
|
|
batches(BATCH_SIZE) do |offset|
|
|
results =
|
|
mysql_query(
|
|
"
|
|
SELECT p.post_id id,
|
|
p.topic_id topic_id,
|
|
p.user_id user_id,
|
|
p.post_content raw,
|
|
p.post_date post_time
|
|
FROM #{TABLE_PREFIX}posts p,
|
|
#{TABLE_PREFIX}topics t
|
|
WHERE p.topic_id = t.topic_id
|
|
AND p.post_index <> 1
|
|
ORDER BY p.post_id
|
|
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|
|
|
if parent = topic_lookup_from_imported_post_id(topic_first_post_id[m["topic_id"]])
|
|
{
|
|
id: m["id"],
|
|
user_id: user_id_from_imported_user_id(m["user_id"]) || -1,
|
|
topic_id: parent[:topic_id],
|
|
raw: process_simplepress_post(m["raw"], m["id"]),
|
|
created_at: Time.zone.at(m["post_time"]),
|
|
}
|
|
else
|
|
puts "Parent post #{m["topic_id"]} doesn't exist. Skipping #{m["id"]}"
|
|
nil
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def process_simplepress_post(raw, import_id)
|
|
s = raw.dup
|
|
|
|
# fix invalid byte sequence in UTF-8 (ArgumentError)
|
|
s.force_encoding("UTF-8") unless s.valid_encoding?
|
|
|
|
# convert the quote line
|
|
s.gsub!(/\[quote='([^']+)'.*?pid='(\d+).*?\]/) do
|
|
"[quote=\"#{convert_username($1, import_id)}, " +
|
|
post_id_to_post_num_and_topic($2, import_id) + '"]'
|
|
end
|
|
|
|
# :) is encoded as <!-- s:) --><img src="{SMILIES_PATH}/icon_e_smile.gif" alt=":)" title="Smile" /><!-- s:) -->
|
|
s.gsub!(/<!-- s(\S+) -->(?:.*)<!-- 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!(%r{<!-- \w --><a(?:.+)href="(\S+)"(?:.*)>(.+)</a><!-- \w -->}, '[\2](\1)')
|
|
|
|
# Many phpbb bbcode tags have a hash attached to them. Examples:
|
|
# [url=https://google.com:1qh1i7ky]click here[/url:1qh1i7ky]
|
|
# [quote="cybereality":b0wtlzex]Some text.[/quote:b0wtlzex]
|
|
s.gsub!(/:(?:\w{8})\]/, "]")
|
|
|
|
# Remove mybb video tags.
|
|
s.gsub!(%r{(^\[video=.*?\])|(\[/video\]$)}, "")
|
|
|
|
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!(%r{\[http(s)?://(www\.)?}, "[")
|
|
|
|
s
|
|
end
|
|
|
|
def mysql_query(sql)
|
|
@client.query(sql, cache_rows: false)
|
|
end
|
|
end
|
|
|
|
ImportScripts::SimplePress.new.perform
|