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# frozen_string_literal: true
module Members
class DestroyService < Members::BaseService
def execute(member, skip_authorization: false, skip_subresources: false)
raise Gitlab::Access::AccessDeniedError unless skip_authorization || can_destroy_member?(member)
@skip_auth = skip_authorization
return member if member.is_a?(GroupMember) && member.source.last_owner?(member.user)
member.destroy
member.user&.invalidate_cache_counts
if member.request? && member.user != current_user
notification_service.decline_access_request(member)
end
delete_subresources(member) unless skip_subresources
enqueue_delete_todos(member)
after_execute(member: member)
member
end
private
def delete_subresources(member)
return unless member.is_a?(GroupMember) && member.user && member.group
delete_project_members(member)
delete_subgroup_members(member) if Group.supports_nested_objects?
end
def delete_project_members(member)
groups = member.group.self_and_descendants
ProjectMember.in_namespaces(groups).with_user(member.user).each do |project_member|
self.class.new(current_user).execute(project_member, skip_authorization: @skip_auth)
end
end
def delete_subgroup_members(member)
groups = member.group.descendants
GroupMember.of_groups(groups).with_user(member.user).each do |group_member|
self.class.new(current_user).execute(group_member, skip_authorization: @skip_auth, skip_subresources: true)
end
end
def can_destroy_member?(member)
can?(current_user, destroy_member_permission(member), member)
end
def destroy_member_permission(member)
case member
when GroupMember
:destroy_group_member
when ProjectMember
:destroy_project_member
else
raise "Unknown member type: #{member}!"
end
end
end
end
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