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