discourse/app/models/user_avatar.rb

104 lines
3.5 KiB
Ruby

require_dependency 'letter_avatar'
class UserAvatar < ActiveRecord::Base
belongs_to :user
belongs_to :gravatar_upload, class_name: 'Upload', dependent: :destroy
belongs_to :custom_upload, class_name: 'Upload', dependent: :destroy
def contains_upload?(id)
gravatar_upload_id == id || custom_upload_id == id
end
def update_gravatar!
DistributedMutex.synchronize("update_gravatar_#{user.id}") do
begin
# special logic for our system user
email_hash = user.id == Discourse::SYSTEM_USER_ID ? User.email_hash("info@discourse.org") : user.email_hash
self.last_gravatar_download_attempt = Time.new
max = Discourse.avatar_sizes.max
gravatar_url = "http://www.gravatar.com/avatar/#{email_hash}.png?s=#{max}&d=404"
tempfile = FileHelper.download(gravatar_url, SiteSetting.max_image_size_kb.kilobytes, "gravatar")
upload = Upload.create_for(user.id, tempfile, 'gravatar.png', File.size(tempfile.path), origin: gravatar_url, image_type: "avatar")
if gravatar_upload_id != upload.id
gravatar_upload.try(:destroy!)
self.gravatar_upload = upload
save!
end
rescue OpenURI::HTTPError
save!
rescue SocketError
# skip saving, we are not connected to the net
Rails.logger.warn "Failed to download gravatar, socket error - user id #{user.id}"
ensure
tempfile.try(:close!)
end
end
end
def self.local_avatar_url(hostname, username, upload_id, size)
self.local_avatar_template(hostname, username, upload_id).gsub("{size}", size.to_s)
end
def self.local_avatar_template(hostname, username, upload_id)
version = self.version(upload_id)
"#{Discourse.base_uri}/user_avatar/#{hostname}/#{username}/{size}/#{version}.png"
end
def self.external_avatar_url(user_id, upload_id, size)
self.external_avatar_template(user_id, upload_id).gsub("{size}", size.to_s)
end
def self.external_avatar_template(user_id, upload_id)
version = self.version(upload_id)
"#{Discourse.store.absolute_base_url}/avatars/#{user_id}/{size}/#{version}.png"
end
def self.version(upload_id)
"#{upload_id}_#{OptimizedImage::VERSION}"
end
def self.import_url_for_user(avatar_url, user)
tempfile = FileHelper.download(avatar_url, SiteSetting.max_image_size_kb.kilobytes, "sso-avatar", true)
ext = FastImage.type(tempfile).to_s
tempfile.rewind
upload = Upload.create_for(user.id, tempfile, "external-avatar." + ext, File.size(tempfile.path), origin: avatar_url, image_type: "avatar")
user.uploaded_avatar_id = upload.id
unless user.user_avatar
user.build_user_avatar
end
if !user.user_avatar.contains_upload?(upload.id)
user.user_avatar.custom_upload_id = upload.id
end
rescue => e
# skip saving, we are not connected to the net
Rails.logger.warn "#{e}: Failed to download external avatar: #{avatar_url}, user id #{ user.id }"
ensure
tempfile.close! if tempfile && tempfile.respond_to?(:close!)
end
end
# == Schema Information
#
# Table name: user_avatars
#
# id :integer not null, primary key
# user_id :integer not null
# custom_upload_id :integer
# gravatar_upload_id :integer
# last_gravatar_download_attempt :datetime
# created_at :datetime not null
# updated_at :datetime not null
#
# Indexes
#
# index_user_avatars_on_user_id (user_id)
#