discourse/script/import_scripts/phpbb3/database/database.rb

57 lines
1.7 KiB
Ruby

require 'mysql2'
module ImportScripts::PhpBB3
class Database
# @param database_settings [ImportScripts::PhpBB3::DatabaseSettings]
def self.create(database_settings)
Database.new(database_settings).create_database
end
# @param database_settings [ImportScripts::PhpBB3::DatabaseSettings]
def initialize(database_settings)
@database_settings = database_settings
@database_client = create_database_client
end
# @return [ImportScripts::PhpBB3::Database_3_0 | ImportScripts::PhpBB3::Database_3_1]
def create_database
version = get_phpbb_version
if version.start_with?('3.0')
require_relative 'database_3_0'
Database_3_0.new(@database_client, @database_settings)
elsif version.start_with?('3.1')
require_relative 'database_3_1'
Database_3_1.new(@database_client, @database_settings)
else
raise UnsupportedVersionError, "Unsupported version (#{version}) of phpBB detected.\n" \
<< 'Currently only 3.0.x and 3.1.x are supported by this importer.'
end
end
protected
def create_database_client
Mysql2::Client.new(
host: @database_settings.host,
username: @database_settings.username,
password: @database_settings.password,
database: @database_settings.schema
)
end
def get_phpbb_version
table_prefix = @database_settings.table_prefix
@database_client.query(<<-SQL, cache_rows: false, symbolize_keys: true).first[:config_value]
SELECT config_value
FROM #{table_prefix}_config
WHERE config_name = 'version'
SQL
end
end
class UnsupportedVersionError < RuntimeError;
end
end