discourse/script/import_scripts/base/uploader.rb

76 lines
2.3 KiB
Ruby

require_dependency 'url_helper'
require_dependency 'file_helper'
module ImportScripts
class Uploader
include ActionView::Helpers::NumberHelper
# Creates an upload.
# Expects path to be the full path and filename of the source file.
# @return [Upload]
def create_upload(user_id, path, source_filename)
tmp = copy_to_tempfile(path)
UploadCreator.new(tmp, source_filename).create_for(user_id)
rescue => e
STDERR.puts "Failed to create upload: #{e}"
nil
ensure
tmp.close rescue nil
tmp.unlink rescue nil
end
def create_avatar(user, avatar_path)
tempfile = copy_to_tempfile(avatar_path)
filename = "avatar#{File.extname(avatar_path)}"
upload = UploadCreator.new(tempfile, filename, type: "avatar").create_for(user.id)
if upload.present? && upload.persisted?
user.create_user_avatar
user.user_avatar.update(custom_upload_id: upload.id)
user.update(uploaded_avatar_id: upload.id)
else
STDERR.puts "Failed to upload avatar for user #{user.username}: #{avatar_path}"
STDERR.puts upload.errors.inspect if upload
end
rescue
STDERR.puts "Failed to create avatar for user #{user.username}: #{avatar_path}"
ensure
tempfile.close! if tempfile
end
def html_for_upload(upload, display_filename)
if FileHelper.is_supported_image?(upload.url)
embedded_image_html(upload)
else
attachment_html(upload, display_filename)
end
end
def embedded_image_html(upload)
image_width = [upload.width, SiteSetting.max_image_width].compact.min
image_height = [upload.height, SiteSetting.max_image_height].compact.min
upload_name = upload.short_url || upload.url
%Q~![#{upload.original_filename}|#{image_width}x#{image_height}](#{upload_name})~
end
def attachment_html(upload, display_filename)
"<a class='attachment' href='#{upload.url}'>#{display_filename}</a> (#{number_to_human_size(upload.filesize)})"
end
private
def copy_to_tempfile(source_path)
extension = File.extname(source_path)
tmp = Tempfile.new(['discourse-upload', extension])
File.open(source_path) do |source_stream|
IO.copy_stream(source_stream, tmp)
end
tmp.rewind
tmp
end
end
end