44 lines
1.5 KiB
Ruby
44 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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module Ci
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# This model represents a record in a shadow table of the main database's namespaces table.
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# It allows us to navigate the namespace hierarchy on the ci database without resorting to a JOIN.
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class NamespaceMirror < ApplicationRecord
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belongs_to :namespace
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scope :contains_namespace, -> (id) do
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where('traversal_ids @> ARRAY[?]::int[]', id)
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end
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scope :contains_any_of_namespaces, -> (ids) do
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where('traversal_ids && ARRAY[?]::int[]', ids)
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end
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scope :by_namespace_id, -> (namespace_id) { where(namespace_id: namespace_id) }
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class << self
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def sync!(event)
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namespace = event.namespace
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traversal_ids = namespace.self_and_ancestor_ids(hierarchy_order: :desc)
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upsert({ namespace_id: event.namespace_id, traversal_ids: traversal_ids },
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unique_by: :namespace_id)
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# It won't be necessary once we remove `sync_traversal_ids`.
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# More info: https://gitlab.com/gitlab-org/gitlab/-/issues/347541
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sync_children_namespaces!(event.namespace_id, traversal_ids)
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end
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private
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def sync_children_namespaces!(namespace_id, traversal_ids)
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contains_namespace(namespace_id)
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.where.not(namespace_id: namespace_id)
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.update_all(
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"traversal_ids = ARRAY[#{sanitize_sql(traversal_ids.join(','))}]::int[] || traversal_ids[array_position(traversal_ids, #{sanitize_sql(namespace_id)}) + 1:]"
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)
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end
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end
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end
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end
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