89 lines
3.3 KiB
Ruby
89 lines
3.3 KiB
Ruby
#
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# Copyright (C) 2011 Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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module CopyAuthorizedLinks
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module CopyAuthorizedLinksClassMethods
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attr_reader :copy_authorized_links_block
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attr_reader :copy_authorized_links_columns
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def copy_authorized_links(column_names, &block)
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@copy_authorized_links_block = block
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@copy_authorized_links_columns = Array(column_names)
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before_save :copy_authorized_links_to_context
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end
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end
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module CopyAuthorizedLinksInstanceMethods
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def repair_malformed_links(user)
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block = self.class.copy_authorized_links_block rescue nil
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columns = (self.class.copy_authorized_links_columns || []).compact
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@copy_authorized_links_override_user = user
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columns.each do |column|
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if column == :custom
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else
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html = self.read_attribute(column) rescue nil
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if html && !html.empty?
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context, inferred_user = self.instance_eval(&block) if block
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user = @copy_authorized_links_override_user || inferred_user
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re = Regexp.new("/#{context.class.to_s.pluralize.underscore}/#{context.id}/files/(\\d+)")
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ids = []
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html.scan(re) do |match|
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ids << match[0]
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end
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Attachment.find_all_by_id(ids).uniq.each do |file|
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html = html.gsub(Regexp.new("/#{context.class.to_s.pluralize.underscore}/#{context.id}/files/#{file.id}"), "/#{file.context_type.pluralize.underscore}/#{file.context_id}/files/#{file.id}")
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end
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self.write_attribute(column, html) if html && !html.empty?
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end
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end
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end
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self.save
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end
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def copy_authorized_links_to_context
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block = self.class.copy_authorized_links_block rescue nil
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columns = (self.class.copy_authorized_links_columns || []).compact
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columns.each do |column|
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if column == :custom
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if self.respond_to?(:copy_authorized_content_custom_column)
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self.copy_authorized_content_custom_column(context, user)
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end
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else
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html = self.read_attribute(column) rescue nil
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if html && !html.empty?
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context, inferred_user = self.instance_eval(&block) if block
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user = @copy_authorized_links_override_user || inferred_user
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html = Course.copy_authorized_content(html, context, user) if context && user
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self.write_attribute(column, html) if html && !html.empty?
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end
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end
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end
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true
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end
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def content_being_saved_by(user)
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@copy_authorized_links_override_user = user
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end
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end
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def self.included(klass)
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klass.send :include, CopyAuthorizedLinksInstanceMethods
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klass.extend CopyAuthorizedLinksClassMethods
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end
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end
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