discourse/script/import_scripts/kunena3.rb

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# frozen_string_literal: true
require "mysql2"
require File.expand_path(File.dirname(__FILE__) + "/base.rb")
# If you change this script's functionality, please consider making a note here:
# https://meta.discourse.org/t/importing-from-kunena-3/43776
# Before running this script, paste these lines into your shell,
# then use arrow keys to edit the values
=begin
export DB_HOST="localhost"
export DB_NAME="kunena"
export DB_USER="kunena"
export DB_PW="kunena"
export KUNENA_PREFIX="jos_" # "iff_" sometimes
export IMAGE_PREFIX="http://EXAMPLE.com/media/kunena/attachments"
export PARENT_FIELD="parent_id" # "parent" in some versions
=end
class ImportScripts::Kunena < ImportScripts::Base
DB_HOST ||= ENV['DB_HOST'] || "localhost"
DB_NAME ||= ENV['DB_NAME'] || "kunena"
DB_USER ||= ENV['DB_USER'] || "kunena"
DB_PW ||= ENV['DB_PW'] || "kunena"
KUNENA_PREFIX ||= ENV['KUNENA_PREFIX'] || "jos_" # "iff_" sometimes
IMAGE_PREFIX ||= ENV['IMAGE_PREFIX'] || "http://EXAMPLE.com/media/kunena/attachments"
PARENT_FIELD ||= ENV['PARENT_FIELD'] || "parent_id" # "parent" in some versions
def initialize
super
@users = {}
@client = Mysql2::Client.new(
host: DB_HOST,
username: DB_USER,
password: DB_PW,
database: DB_NAME
)
end
def execute
parse_users
puts "creating users"
create_users(@users) do |id, user|
{ id: id,
email: user[:email],
username: user[:username],
created_at: user[:created_at],
bio_raw: user[:bio],
moderator: user[:moderator] ? true : false,
admin: user[:admin] ? true : false,
suspended_at: user[:suspended] ? Time.zone.now : nil,
suspended_till: user[:suspended] ? 100.years.from_now : nil }
end
@users = nil
create_categories(@client.query("SELECT id, #{PARENT_FIELD} as parent_id, name, description, ordering FROM #{KUNENA_PREFIX}kunena_categories ORDER BY #{PARENT_FIELD}, id;")) do |c|
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h = { id: c['id'], name: c['name'], description: c['description'], position: c['ordering'].to_i }
if c['parent_id'].to_i > 0
h[:parent_category_id] = category_id_from_imported_category_id(c['parent_id'])
end
h
end
import_posts
begin
create_admin(email: 'CHANGE@ME.COM', username: UserNameSuggester.suggest('CHAMGEME'))
rescue => e
puts '', "Failed to create admin user"
puts e.message
end
end
def parse_users
# Need to merge data from joomla with kunena
puts "fetching Joomla users data from mysql"
results = @client.query("SELECT id, username, email, registerDate FROM #{KUNENA_PREFIX}users;", cache_rows: false)
results.each do |u|
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next unless u['id'].to_i > (0) && u['username'].present? && u['email'].present?
username = u['username'].gsub(' ', '_').gsub(/[^A-Za-z0-9_]/, '')[0, User.username_length.end]
if username.length < User.username_length.first
username = username * User.username_length.first
end
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@users[u['id'].to_i] = { id: u['id'].to_i, username: username, email: u['email'], created_at: u['registerDate'] }
end
puts "fetching Kunena user data from mysql"
results = @client.query("SELECT userid, signature, moderator, banned FROM #{KUNENA_PREFIX}kunena_users;", cache_rows: false)
results.each do |u|
next unless u['userid'].to_i > 0
user = @users[u['userid'].to_i]
if user
user[:bio] = u['signature']
user[:moderator] = (u['moderator'].to_i == 1)
user[:suspended] = u['banned'].present?
end
end
end
def import_posts
puts '', "creating topics and posts"
total_count = @client.query("SELECT COUNT(*) count FROM #{KUNENA_PREFIX}kunena_messages m;").first['count']
batch_size = 1000
batches(batch_size) do |offset|
results = @client.query("
SELECT m.id id,
m.thread thread,
m.parent parent,
m.catid catid,
m.userid userid,
m.subject subject,
m.time time,
t.message message
FROM #{KUNENA_PREFIX}kunena_messages m,
#{KUNENA_PREFIX}kunena_messages_text t
WHERE m.id = t.mesid
ORDER BY m.id
LIMIT #{batch_size}
OFFSET #{offset};
", cache_rows: false)
break if results.size < 1
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next if all_records_exist? :posts, results.map { |p| p['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['userid']) || -1
id = m['userid']
mapped[:raw] = m["message"].gsub(/\[attachment=[0-9]+\](.+?)\[\/attachment\]/, "\n#{IMAGE_PREFIX}/#{id}/\\1")
mapped[:created_at] = Time.zone.at(m['time'])
if m['parent'] == 0
mapped[:category] = category_id_from_imported_category_id(m['catid'])
mapped[:title] = m['subject']
else
parent = topic_lookup_from_imported_post_id(m['parent'])
if parent
mapped[:topic_id] = parent[:topic_id]
mapped[:reply_to_post_number] = parent[:post_number] if parent[:post_number] > 1
else
puts "Parent post #{m['parent']} doesn't exist. Skipping #{m["id"]}: #{m["subject"][0..40]}"
skip = true
end
end
skip ? nil : mapped
end
end
end
end
ImportScripts::Kunena.new.perform