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module Banzai
module ReferenceParser
class MergeRequestParser < BaseParser
self.reference_type = :merge_request
def nodes_visible_to_user(user, nodes)
merge_requests = merge_requests_for_nodes(nodes)
nodes.select do |node|
merge_request = merge_requests[node]
merge_request && can?(user, :read_merge_request, merge_request.project)
end
end
def referenced_by(nodes)
merge_requests = merge_requests_for_nodes(nodes)
nodes.map { |node| merge_requests[node] }.compact.uniq
end
def merge_requests_for_nodes(nodes)
@merge_requests_for_nodes ||= grouped_objects_for_nodes(
nodes,
MergeRequest.includes(
:author,
:assignee,
{
# These associations are primarily used for checking permissions.
# Eager loading these ensures we don't end up running dozens of
# queries in this process.
target_project: [
{ namespace: :owner },
{ group: [:owners, :group_members] },
:invited_groups,
:project_members,
:project_feature
]
}),
self.class.data_attribute
)
end
end
end
end
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