objects/endpoint/ep_badge.rb
# frozen_string_literal: true
# Copyright (c) 2017-2024 Yegor Bugayenko
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
require 'nokogiri'
require 'shellwords'
require_relative '../exec'
require_relative 'ep_availability'
require_relative 'ep_state'
#
# Badge of endpoint
#
class EpBadge
def initialize(endpoint)
@endpoint = endpoint
end
def to_src
"/b/#{@endpoint.to_h[:id]}?style=flat"
end
def to_href
"/h/#{@endpoint.to_h[:id]}"
end
def to_html(amp: false)
"<a href='#{to_href}'><#{amp ? 'amp-' : ''}img src='#{to_src}' \
alt='#{@endpoint.to_h[:hostname]} availability badge' \
width='106' height='20'/></a>"
end
def to_svg(style = 'round')
Nokogiri::XSLT(File.read('assets/xsl/badge.xsl')).transform(
Nokogiri::XML(
"<endpoint>\
<availability>#{EpAvailability.new(@endpoint)}</availability>\
<text>#{EpAvailability.new(@endpoint).short}</text>\
<state>#{EpState.new(@endpoint).to_b}</state>\
</endpoint>"
),
['style', "'#{style}'"]
).to_s
end
def to_png(style = 'round')
Tempfile.open(['img', '.svg']) do |svg|
Tempfile.open(['img', '.png']) do |png|
svg.write(to_svg(style))
svg.flush
Exec.new(
[
'convert',
'-density 424',
'-resize 424x',
'-background none',
Shellwords.escape(svg.path),
Shellwords.escape(png.path)
].join(' ')
).run
png.read
end
end
end
end