46 lines
1.6 KiB
Ruby
46 lines
1.6 KiB
Ruby
#
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# Copyright (C) 2011 - present 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 Lti
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module ExternalToolNameBookmarker
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def self.bookmark_for(external_tool)
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[external_tool.name.downcase, external_tool.id]
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end
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def self.validate(bookmark)
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bookmark.is_a?(Array) && bookmark.size == 2 &&
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bookmark[0].is_a?(String) &&
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bookmark[1].is_a?(Integer)
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end
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def self.restrict_scope(scope, pager)
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name_collation_key = BookmarkedCollection.best_unicode_collation_key('context_external_tools.name')
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placeholder_collation_key = BookmarkedCollection.best_unicode_collation_key('?')
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if pager.current_bookmark
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bookmark = pager.current_bookmark
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comparison = (pager.include_bookmark ? ">=" : ">")
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scope = scope.where(
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" (#{name_collation_key} = #{placeholder_collation_key} AND context_external_tools.id #{comparison} ?) "\
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"OR #{name_collation_key} #{comparison} #{placeholder_collation_key}",
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bookmark[0], bookmark[1], bookmark[0])
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end
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scope
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end
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end
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end
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