75 lines
1.9 KiB
Ruby
75 lines
1.9 KiB
Ruby
|
class Sequencer
|
||
|
class Unit
|
||
|
module Import
|
||
|
module Freshdesk
|
||
|
module Conversation
|
||
|
class InlineImages < Sequencer::Unit::Base
|
||
|
include ::Sequencer::Unit::Import::Common::Mapping::Mixin::ProvideMapped
|
||
|
|
||
|
uses :mapped
|
||
|
|
||
|
def process
|
||
|
return if !contains_inline_image?(mapped[:body])
|
||
|
|
||
|
provide_mapped do
|
||
|
{
|
||
|
body: replaced_inline_images,
|
||
|
}
|
||
|
end
|
||
|
end
|
||
|
|
||
|
def self.inline_data(freshdesk_url)
|
||
|
@cache ||= {}
|
||
|
return @cache[freshdesk_url] if @cache[freshdesk_url]
|
||
|
|
||
|
image_data = download(freshdesk_url)
|
||
|
return if image_data.blank?
|
||
|
|
||
|
@cache[freshdesk_url] = "data:image/png;base64,#{Base64.strict_encode64(image_data)}"
|
||
|
@cache[freshdesk_url]
|
||
|
end
|
||
|
|
||
|
def self.download(freshdesk_url)
|
||
|
logger.debug { "Downloading inline image from #{freshdesk_url}" }
|
||
|
|
||
|
response = UserAgent.get(
|
||
|
freshdesk_url,
|
||
|
{},
|
||
|
{
|
||
|
open_timeout: 20,
|
||
|
read_timeout: 240,
|
||
|
},
|
||
|
)
|
||
|
|
||
|
return response.body if response.success?
|
||
|
|
||
|
logger.error response.error
|
||
|
nil
|
||
|
end
|
||
|
|
||
|
private
|
||
|
|
||
|
def contains_inline_image?(string)
|
||
|
return false if string.blank?
|
||
|
|
||
|
string.include?('freshdesk.com/inline/attachment')
|
||
|
end
|
||
|
|
||
|
def replaced_inline_images
|
||
|
body_html = Nokogiri::HTML(mapped[:body])
|
||
|
|
||
|
body_html.css('img').each do |node|
|
||
|
next if !contains_inline_image?(node['src'])
|
||
|
|
||
|
node.attributes['src'].value = self.class.inline_data(node['src'])
|
||
|
end
|
||
|
|
||
|
body_html.to_html
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
end
|
||
|
end
|