mirror of
https://github.com/discourse/discourse.git
synced 2024-12-13 20:39:13 +08:00
163 lines
4.3 KiB
Ruby
163 lines
4.3 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require "mysql2"
|
|
require 'time'
|
|
require 'date'
|
|
|
|
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
|
|
|
|
class ImportScripts::FLARUM < ImportScripts::Base
|
|
#SET THE APPROPRIATE VALUES FOR YOUR MYSQL CONNECTION
|
|
FLARUM_HOST ||= ENV['FLARUM_HOST'] || "db_host"
|
|
FLARUM_DB ||= ENV['FLARUM_DB'] || "db_name"
|
|
BATCH_SIZE ||= 1000
|
|
FLARUM_USER ||= ENV['FLARUM_USER'] || "db_user"
|
|
FLARUM_PW ||= ENV['FLARUM_PW'] || "db_user_pass"
|
|
|
|
def initialize
|
|
super
|
|
|
|
@client = Mysql2::Client.new(
|
|
host: FLARUM_HOST,
|
|
username: FLARUM_USER,
|
|
password: FLARUM_PW,
|
|
database: FLARUM_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 users;").first['count']
|
|
|
|
batches(BATCH_SIZE) do |offset|
|
|
results = mysql_query(
|
|
"SELECT id, username, email, joined_at, last_seen_at
|
|
FROM users
|
|
LIMIT #{BATCH_SIZE}
|
|
OFFSET #{offset};")
|
|
|
|
break if results.size < 1
|
|
|
|
next if all_records_exist? :users, results.map { |u| u["id"].to_i }
|
|
|
|
create_users(results, total: total_count, offset: offset) do |user|
|
|
{ id: user['id'],
|
|
email: user['email'],
|
|
username: user['username'],
|
|
name: user['username'],
|
|
created_at: user['joined_at'],
|
|
last_seen_at: user['last_seen_at']
|
|
}
|
|
end
|
|
end
|
|
end
|
|
|
|
def import_categories
|
|
puts "", "importing top level categories..."
|
|
|
|
categories = mysql_query("
|
|
SELECT id, name, description, position
|
|
FROM tags
|
|
ORDER BY position ASC
|
|
").to_a
|
|
|
|
create_categories(categories) do |category|
|
|
{
|
|
id: category["id"],
|
|
name: category["name"]
|
|
}
|
|
end
|
|
|
|
puts "", "importing children categories..."
|
|
|
|
children_categories = mysql_query("
|
|
SELECT id, name, description, position
|
|
FROM tags
|
|
ORDER BY position
|
|
").to_a
|
|
|
|
create_categories(children_categories) do |category|
|
|
{
|
|
id: "child##{category['id']}",
|
|
name: category["name"],
|
|
description: category["description"],
|
|
}
|
|
end
|
|
end
|
|
|
|
def import_posts
|
|
puts "", "creating topics and posts"
|
|
|
|
total_count = mysql_query("SELECT count(*) count from posts").first["count"]
|
|
|
|
batches(BATCH_SIZE) do |offset|
|
|
results = mysql_query("
|
|
SELECT p.id id,
|
|
d.id topic_id,
|
|
d.title title,
|
|
d.first_post_id first_post_id,
|
|
p.user_id user_id,
|
|
p.content raw,
|
|
p.created_at created_at,
|
|
t.tag_id category_id
|
|
FROM posts p,
|
|
discussions d,
|
|
discussion_tag t
|
|
WHERE p.discussion_id = d.id
|
|
AND t.discussion_id = d.id
|
|
ORDER BY p.created_at
|
|
LIMIT #{BATCH_SIZE}
|
|
OFFSET #{offset};
|
|
").to_a
|
|
|
|
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] = process_FLARUM_post(m['raw'], m['id'])
|
|
mapped[:created_at] = Time.zone.at(m['created_at'])
|
|
|
|
if m['id'] == m['first_post_id']
|
|
mapped[:category] = category_id_from_imported_category_id("child##{m['category_id']}")
|
|
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_FLARUM_post(raw, import_id)
|
|
s = raw.dup
|
|
|
|
s
|
|
end
|
|
|
|
def mysql_query(sql)
|
|
@client.query(sql, cache_rows: false)
|
|
end
|
|
end
|
|
|
|
ImportScripts::FLARUM.new.perform
|