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|
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|
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
@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
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(
%r{\[attachment=[0-9]+\](.+?)\[/attachment\]},
"\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