scinote-web/app/models/tiny_mce_asset.rb

254 lines
7.4 KiB
Ruby

# frozen_string_literal: true
class TinyMceAsset < ApplicationRecord
extend ProtocolsExporter
extend MarvinJsActions
include ActiveStorageConcerns
include Canaid::Helpers::PermissionsHelper
attr_accessor :reference
before_create :set_reference
after_create :calculate_estimated_size, :self_destruct
after_destroy :release_team_space
belongs_to :team, inverse_of: :tiny_mce_assets, optional: true
belongs_to :object, polymorphic: true,
optional: true,
inverse_of: :tiny_mce_assets
has_one_attached :image
validates :estimated_size, presence: true
def self.update_images(object, images, current_user)
text_field = object.public_send(Extends::RICH_TEXT_FIELD_MAPPINGS[object.class.name]) || ''
# image ids that are present in text
text_images = text_field.scan(/data-mce-token="([^"]+)"/).flatten
images = JSON.parse(images) + text_images
current_images = object.tiny_mce_assets.pluck(:id)
images_to_delete = current_images.reject do |x|
(images.include? Base62.encode(x))
end
images.each do |image|
image_to_update = find_by(id: Base62.decode(image))
# if image was pasted from another object, check permission and create a copy
if image_to_update.object != object && image_to_update.can_read?(current_user)
image_to_update.clone_tinymce_asset(object)
image_to_update.reload
end
next if image_to_update.object
image_to_update&.update(object: object, saved: true)
create_create_marvinjs_activity(image_to_update, current_user)
end
where(id: images_to_delete).find_each do |image_to_delete|
create_delete_marvinjs_activity(image_to_delete, current_user)
image_to_delete.destroy
end
object.delay(queue: :assets).copy_unknown_tiny_mce_images(current_user)
rescue StandardError => e
Rails.logger.error e.message
Rails.logger.error e.backtrace.join("\n")
end
def self.generate_url(description, obj = nil)
# Check tinymce for old format
description = update_old_tinymce(description, obj)
description = Nokogiri::HTML(description)
tm_assets = description.css('img[data-mce-token]')
# Make same-page anchor links work properly with turbolinks
links = description.css('[href]')
links.each do |link|
link['data-turbolinks'] = false if link['href'].starts_with?('#')
end
tm_assets.each do |tm_asset|
asset_id = tm_asset.attr('data-mce-token')
new_asset = obj.tiny_mce_assets.find_by(id: Base62.decode(asset_id))
if new_asset&.image&.attached?
tm_asset.attributes['src'].value = Rails.application.routes.url_helpers.url_for(new_asset.image)
tm_asset['class'] = 'img-responsive'
end
end
description.css('body').inner_html.to_s
end
def file_name
return '' unless image.attached?
image.blob&.filename&.sanitized
end
def file_size
return 0 unless image.attached?
image.blob&.byte_size
end
def content_type
return '' unless image.attached?
image&.blob&.content_type
end
def preview
image.variant(resize_to_limit: Constants::LARGE_PIC_FORMAT)
end
def self.delete_unsaved_image(id)
asset = find_by(id: id)
asset.destroy if asset && !asset.saved
end
def self.update_estimated_size(id)
asset = find_by(id: id)
return unless asset&.image&.attached?
size = asset.image.blob.byte_size
return if size.blank?
e_size = size * Constants::ASSET_ESTIMATED_SIZE_FACTOR
asset.update(estimated_size: e_size)
Rails.logger.info "Asset #{id}: Estimated size successfully calculated"
# update team space taken
asset.team.take_space(e_size)
asset.team.save
end
def self.update_old_tinymce(description, obj = nil, import = false)
return description unless description
description.scan(/\[~tiny_mce_id:(\w+)\]/).flatten.each do |token|
old_format = /\[~tiny_mce_id:#{token}\]/
new_format = "<img src=\"\" class=\"img-responsive\" data-mce-token=\"#{Base62.encode(token.to_i)}\"/>"
asset = find_by(id: token)
# impor flag only for import from file cases, because we don't have image in DB
unless asset || import
# remove tag if asset deleted
description.sub!(old_format, '')
next
end
# If object (step or result text) don't have direct assciation to tinyMCE image, we need copy it.
asset.clone_tinymce_asset(obj) if obj && obj != asset.object
description.sub!(old_format, new_format)
end
description
end
def self.save_to_eln(ostream, dir)
if exists?
order(:id).each do |tiny_mce_asset|
asset_guid = get_guid(tiny_mce_asset.id)
extension = tiny_mce_asset.image.blob.filename.extension
asset_file_name = if extension.blank?
"rte-#{asset_guid}"
else
"rte-#{asset_guid}.#{tiny_mce_asset.image.blob.filename.extension}"
end
ostream.put_next_entry("#{dir}/#{asset_file_name}")
ostream.print(tiny_mce_asset.image.download)
end
end
ostream
end
def clone_tinymce_asset(obj)
team_id = Team.search_by_object(object)&.id
return false unless team_id
tiny_img_clone = TinyMceAsset.new(
estimated_size: estimated_size,
object: obj,
team_id: team_id
)
tiny_img_clone.transaction do
tiny_img_clone.save!
duplicate_file(tiny_img_clone)
end
return false unless tiny_img_clone.persisted?
obj.tiny_mce_assets << tiny_img_clone
# Prepare array of image to update
cloned_img_ids = [[id, tiny_img_clone.id]]
obj_field = Extends::RICH_TEXT_FIELD_MAPPINGS[obj.class.name]
# Update description with new format
obj.update(obj_field => TinyMceAsset.update_old_tinymce(obj[obj_field]))
# reassign images
obj.reassign_tiny_mce_image_references(cloned_img_ids)
end
def blob
image&.blob
end
def duplicate_file(to_asset)
return unless image.attached?
raise ArgumentError, 'Destination TinyMce asset should be persisted first!' unless to_asset.persisted?
image.blob.open do |tmp_file|
to_blob = ActiveStorage::Blob.create_and_upload!(io: tmp_file, filename: blob.filename, metadata: blob.metadata)
to_asset.image.attach(to_blob)
end
TinyMceAsset.update_estimated_size(to_asset.id)
end
def can_read?(user)
case object_type
when 'MyModule'
can_read_my_module?(user, object)
when 'Protocol'
can_read_protocol_in_module?(user, object) ||
can_read_protocol_in_repository?(user, object)
when 'ResultText'
can_read_result?(user, object.result)
when 'StepText'
protocol = object.step_orderable_element.step.protocol
can_read_protocol_in_module?(user, protocol) ||
can_read_protocol_in_repository?(user, protocol)
when 'Step'
can_read_protocol_in_module?(user, step.protocol) ||
can_read_protocol_in_repository?(user, step.protocol)
else
false
end
end
private
def self_destruct
TinyMceAsset.delay(queue: :assets, run_at: 1.day.from_now).delete_unsaved_image(id)
end
def calculate_estimated_size
TinyMceAsset.delay(queue: :assets, run_at: 5.minutes.from_now).update_estimated_size(id)
end
def release_team_space
team.release_space(estimated_size)
team.save
end
def set_reference
obj_type = "#{@reference.class.to_s.underscore}=".to_sym
public_send(obj_type, @reference) if @reference
end
end