Signal-iOS/SignalServiceKit/Contacts/RecipientFetcher.swift
2025-09-10 14:19:39 -05:00

51 lines
2.1 KiB
Swift

//
// Copyright 2023 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//
import Foundation
public import LibSignalClient
public protocol RecipientFetcher {
func fetchOrCreateImpl(serviceId: ServiceId, tx: DBWriteTransaction) -> (inserted: Bool, recipientAfterInsert: SignalRecipient)
func fetchOrCreate(phoneNumber: E164, tx: DBWriteTransaction) -> SignalRecipient
}
extension RecipientFetcher {
public func fetchOrCreate(serviceId: ServiceId, tx: DBWriteTransaction) -> SignalRecipient {
return fetchOrCreateImpl(serviceId: serviceId, tx: tx).recipientAfterInsert
}
}
public class RecipientFetcherImpl: RecipientFetcher {
private let recipientDatabaseTable: RecipientDatabaseTable
private let searchableNameIndexer: any SearchableNameIndexer
public init(
recipientDatabaseTable: RecipientDatabaseTable,
searchableNameIndexer: any SearchableNameIndexer,
) {
self.recipientDatabaseTable = recipientDatabaseTable
self.searchableNameIndexer = searchableNameIndexer
}
public func fetchOrCreateImpl(serviceId: ServiceId, tx: DBWriteTransaction) -> (inserted: Bool, recipientAfterInsert: SignalRecipient) {
if let serviceIdRecipient = recipientDatabaseTable.fetchRecipient(serviceId: serviceId, transaction: tx) {
return (inserted: false, serviceIdRecipient)
}
let newInstance = SignalRecipient(aci: serviceId as? Aci, pni: serviceId as? Pni, phoneNumber: nil)
recipientDatabaseTable.insertRecipient(newInstance, transaction: tx)
return (inserted: true, newInstance)
}
public func fetchOrCreate(phoneNumber: E164, tx: DBWriteTransaction) -> SignalRecipient {
if let result = recipientDatabaseTable.fetchRecipient(phoneNumber: phoneNumber.stringValue, transaction: tx) {
return result
}
let result = SignalRecipient(aci: nil, pni: nil, phoneNumber: phoneNumber)
recipientDatabaseTable.insertRecipient(result, transaction: tx)
searchableNameIndexer.insert(result, tx: tx)
return result
}
}