75 lines
1.7 KiB
Ruby
75 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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# Module to include into finders to provide support for querying for
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# objects up and down the group hierarchy. Extracted from LabelsFinder
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#
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# Supports params:
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# :group
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# :group_id
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# :include_ancestor_groups
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# :include_descendant_groups
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module FinderWithGroupHierarchy
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extend ActiveSupport::Concern
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private
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def item_ids
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raise NotImplementedError
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end
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# Gets redacted array of group ids
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# which can include the ancestors and descendants of the requested group.
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def group_ids_for(group)
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strong_memoize(:group_ids) do
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groups = groups_to_include(group)
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# Because we are sure that all groups are in the same hierarchy tree
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# we can preset root group for all of them to optimize permission checks
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Group.preset_root_ancestor_for(groups)
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groups_user_can_read_items(groups).map(&:id)
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end
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end
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def groups_to_include(group)
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groups = [group]
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groups += group.ancestors if include_ancestor_groups?
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groups += group.descendants if include_descendant_groups?
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groups
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end
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def include_ancestor_groups?
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params[:include_ancestor_groups]
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end
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def include_descendant_groups?
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params[:include_descendant_groups]
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end
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def group?
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params[:group].present? || params[:group_id].present?
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end
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def group
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strong_memoize(:group) { params[:group].presence || Group.find(params[:group_id]) }
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end
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def read_permission
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raise NotImplementedError
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end
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def authorized_to_read_item?(item_parent)
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return true if skip_authorization
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Ability.allowed?(current_user, read_permission, item_parent)
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end
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def groups_user_can_read_items(groups)
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DeclarativePolicy.user_scope do
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groups.select { |group| authorized_to_read_item?(group) }
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end
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end
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end
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