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# frozen_string_literal: true
module Members
class DestroyService < Members::BaseService
def execute(member, skip_authorization: false, skip_subresources: false, unassign_issuables: false, destroy_bot: false)
raise Gitlab::Access::AccessDeniedError unless skip_authorization || authorized?(member, destroy_bot)
@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)
enqueue_unassign_issuables(member) if unassign_issuables
after_execute(member: member)
member
end
private
def authorized?(member, destroy_bot)
return can_destroy_bot_member?(member) if destroy_bot
can_destroy_member?(member)
end
def delete_subresources(member)
return unless member.is_a?(GroupMember) && member.user && member.group
delete_project_members(member)
delete_subgroup_members(member)
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 can_destroy_bot_member?(member)
can?(current_user, destroy_bot_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
def destroy_bot_member_permission(member)
raise "Unsupported bot member type: #{member}" unless member.is_a?(ProjectMember)
:destroy_project_bot_member
end
def enqueue_unassign_issuables(member)
source_type = member.is_a?(GroupMember) ? 'Group' : 'Project'
member.run_after_commit_or_now do
MembersDestroyer::UnassignIssuablesWorker.perform_async(member.user_id, member.source_id, source_type)
end
end
end
end
Members::DestroyService.prepend_if_ee('EE::Members::DestroyService')
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