124 lines
3.2 KiB
Ruby
124 lines
3.2 KiB
Ruby
# == Schema Information
|
|
#
|
|
# Table name: attachments
|
|
#
|
|
# id :integer not null, primary key
|
|
# coordinates_lat :float default(0.0)
|
|
# coordinates_long :float default(0.0)
|
|
# extension :string
|
|
# external_url :string
|
|
# fallback_title :string
|
|
# file_type :integer default("image")
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# account_id :integer not null
|
|
# message_id :integer not null
|
|
#
|
|
|
|
class Attachment < ApplicationRecord
|
|
include Rails.application.routes.url_helpers
|
|
|
|
ACCEPTABLE_FILE_TYPES = %w[
|
|
text/csv text/plain text/rtf
|
|
application/json application/pdf
|
|
application/zip application/x-7z-compressed application/vnd.rar application/x-tar
|
|
application/msword application/vnd.ms-excel application/vnd.ms-powerpoint application/rtf
|
|
application/vnd.oasis.opendocument.text
|
|
application/vnd.openxmlformats-officedocument.presentationml.presentation
|
|
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
|
|
application/vnd.openxmlformats-officedocument.wordprocessingml.document
|
|
].freeze
|
|
|
|
belongs_to :account
|
|
belongs_to :message
|
|
has_one_attached :file
|
|
validate :acceptable_file
|
|
|
|
enum file_type: [:image, :audio, :video, :file, :location, :fallback]
|
|
|
|
def push_event_data
|
|
return unless file_type
|
|
return base_data.merge(location_metadata) if file_type.to_sym == :location
|
|
return base_data.merge(fallback_data) if file_type.to_sym == :fallback
|
|
|
|
base_data.merge(file_metadata)
|
|
end
|
|
|
|
def file_url
|
|
file.attached? ? url_for(file) : ''
|
|
end
|
|
|
|
def download_url
|
|
file.attached? ? rails_storage_proxy_url(file) : ''
|
|
end
|
|
|
|
def thumb_url
|
|
if file.attached? && file.representable?
|
|
url_for(file.representation(resize: '250x250'))
|
|
else
|
|
''
|
|
end
|
|
end
|
|
|
|
private
|
|
|
|
def file_metadata
|
|
{
|
|
extension: extension,
|
|
data_url: file_url,
|
|
thumb_url: thumb_url
|
|
}
|
|
end
|
|
|
|
def location_metadata
|
|
{
|
|
coordinates_lat: coordinates_lat,
|
|
coordinates_long: coordinates_long,
|
|
fallback_title: fallback_title,
|
|
data_url: external_url
|
|
}
|
|
end
|
|
|
|
def fallback_data
|
|
{
|
|
fallback_title: fallback_title,
|
|
data_url: external_url
|
|
}
|
|
end
|
|
|
|
def base_data
|
|
{
|
|
id: id,
|
|
message_id: message_id,
|
|
file_type: file_type,
|
|
account_id: account_id
|
|
}
|
|
end
|
|
|
|
def should_validate_file?
|
|
return unless file.attached?
|
|
# we are only limiting attachment types in case of website widget
|
|
return unless message.inbox.channel_type == 'Channel::WebWidget'
|
|
|
|
true
|
|
end
|
|
|
|
def acceptable_file
|
|
return unless should_validate_file?
|
|
|
|
validate_file_size(file.byte_size)
|
|
validate_file_content_type(file.content_type)
|
|
end
|
|
|
|
def validate_file_content_type(file_content_type)
|
|
errors.add(:file, 'type not supported') unless media_file?(file_content_type) || ACCEPTABLE_FILE_TYPES.include?(file_content_type)
|
|
end
|
|
|
|
def validate_file_size(byte_size)
|
|
errors.add(:file, 'size is too big') if byte_size > 40.megabytes
|
|
end
|
|
|
|
def media_file?(file_content_type)
|
|
file_content_type.start_with?('image/', 'video/', 'audio/')
|
|
end
|
|
end
|