64 lines
1.7 KiB
Ruby
64 lines
1.7 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
#
|
|
# Copyright (C) 2016 - present Instructure, Inc.
|
|
#
|
|
# This file is part of Canvas.
|
|
#
|
|
# Canvas is free software: you can redistribute it and/or modify it under
|
|
# the terms of the GNU Affero General Public License as published by the Free
|
|
# Software Foundation, version 3 of the License.
|
|
#
|
|
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License along
|
|
# with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
require "addressable/uri"
|
|
|
|
module MathMan
|
|
class InvalidConfigurationError < StandardError; end
|
|
|
|
def self.url_for(latex:, target:)
|
|
uri = base_url.join(target.to_s)
|
|
uri.query = "tex=#{latex}"
|
|
uri.to_s
|
|
end
|
|
|
|
def self.cache_key_for(latex, target)
|
|
["mathman", dynamic_settings.fetch('version'), Digest::MD5.hexdigest(latex), target].compact.cache_key
|
|
end
|
|
|
|
def self.use_for_mml?
|
|
Canvas::Plugin.value_to_boolean(plugin_settings[:use_for_mml])
|
|
end
|
|
|
|
def self.use_for_svg?
|
|
Canvas::Plugin.value_to_boolean(plugin_settings[:use_for_svg])
|
|
end
|
|
|
|
class << self
|
|
private
|
|
|
|
def base_url
|
|
url = dynamic_settings[:base_url]
|
|
# if we get here, we should have already checked one of the booleans above
|
|
raise InvalidConfigurationError unless url
|
|
Addressable::URI.parse(url).tap do |uri|
|
|
uri.path << '/' unless uri.path.end_with?('/')
|
|
end
|
|
end
|
|
|
|
def plugin_settings
|
|
Canvas::Plugin.find(:mathman).settings
|
|
end
|
|
|
|
def dynamic_settings
|
|
Canvas::DynamicSettings.find('math-man')
|
|
end
|
|
end
|
|
end
|