108 lines
3.7 KiB
Ruby
108 lines
3.7 KiB
Ruby
module UserSearch
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def self.for_user_in_context(search_term, context, searcher, session=nil, options = {})
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search_term = search_term.to_s
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base_scope = scope_for(context, searcher, options.slice(:enrollment_type, :enrollment_role, :exclude_groups))
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if search_term.to_s =~ Api::ID_REGEX
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db_id = Shard.relative_id_for(search_term, Shard.current, Shard.current)
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user = base_scope.where(id: db_id).first
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if user
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return [user]
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elsif !SearchTermHelper.valid_search_term?(search_term)
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return []
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end
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# no user found by id, so lets go ahead with the regular search, maybe this person just has a ton of numbers in their name
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end
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SearchTermHelper.validate_search_term(search_term)
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unless context.grants_right?(searcher, session, :manage_students) ||
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context.grants_right?(searcher, session, :manage_admin_users)
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restrict_search = true
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end
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base_scope.where(conditions_statement(search_term, {:restrict_search => restrict_search}))
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end
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def self.conditions_statement(search_term, options={})
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pattern = like_string_for(search_term)
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conditions = []
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if complex_search_enabled? && !options[:restrict_search]
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conditions << complex_sql << pattern << pattern << CommunicationChannel::TYPE_EMAIL << pattern
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else
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conditions << like_condition('users.name') << pattern
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end
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conditions
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end
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def self.like_string_for(search_term)
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pattern_type = (gist_search_enabled? ? :full : :right)
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wildcard_pattern(search_term, :type => pattern_type, :case_sensitive => false)
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end
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def self.scope_for(context, searcher, options={})
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enrollment_role = Array(options[:enrollment_role]) if options[:enrollment_role]
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enrollment_type = Array(options[:enrollment_type]) if options[:enrollment_type]
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exclude_groups = Array(options[:exclude_groups]) if options[:exclude_groups]
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if context.is_a?(Account)
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users = User.of_account(context).active.select("users.id, users.name, users.short_name, users.sortable_name")
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else
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users = context.users_visible_to(searcher).uniq
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end
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users = users.order_by_sortable_name
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if enrollment_role
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users = users.where("COALESCE(enrollments.role_name, enrollments.type) IN (?) ", enrollment_role)
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elsif enrollment_type
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enrollment_type = enrollment_type.map { |e| "#{e.capitalize}Enrollment" }
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if enrollment_type.any?{ |et| !Enrollment.readable_types.keys.include?(et) }
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raise ArgumentError, 'Invalid Enrollment Type'
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end
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users = users.where(:enrollments => { :type => enrollment_type })
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end
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if exclude_groups
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users = users.where(Group.not_in_group_sql_fragment(exclude_groups))
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end
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users
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end
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private
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def self.complex_sql
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@_complex_sql ||= <<-SQL
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(EXISTS (SELECT 1 FROM pseudonyms
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WHERE #{like_condition('pseudonyms.sis_user_id')}
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AND pseudonyms.user_id = users.id
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AND (pseudonyms.workflow_state IS NULL
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OR pseudonyms.workflow_state != 'deleted'))
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OR (#{like_condition('users.name')})
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OR EXISTS (SELECT 1 FROM communication_channels
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WHERE communication_channels.user_id = users.id
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AND (communication_channels.path_type = ?
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AND #{like_condition('communication_channels.path')})))
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SQL
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end
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def self.gist_search_enabled?
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Setting.get('user_search_with_gist', 'true') == 'true'
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end
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def self.complex_search_enabled?
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Setting.get('user_search_with_full_complexity', 'true') == 'true'
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end
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def self.like_condition(value)
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ActiveRecord::Base.like_condition(value, 'lower(?)')
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end
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def self.wildcard_pattern(value, options)
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ActiveRecord::Base.wildcard_pattern(value, options)
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end
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end
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