Signal-iOS/SignalServiceKit/Usernames/UsernameLookupRecordStore.swift
2024-03-07 11:57:45 -06:00

93 lines
3.3 KiB
Swift

//
// Copyright 2024 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
//
import Foundation
import GRDB
import LibSignalClient
public protocol UsernameLookupRecordStore {
func fetchOne(forAci aci: Aci, tx: DBReadTransaction) -> UsernameLookupRecord?
func enumerateAll(tx: DBReadTransaction, block: (UsernameLookupRecord) -> Void)
func deleteOne(forAci aci: Aci, tx: DBWriteTransaction)
func insertOne(_ usernameLookupRecord: UsernameLookupRecord, tx: DBWriteTransaction)
}
public class UsernameLookupRecordStoreImpl: UsernameLookupRecordStore {
public init() {}
public func fetchOne(forAci aci: Aci, tx: DBReadTransaction) -> UsernameLookupRecord? {
return Self._fetchOne(forAci: aci, database: SDSDB.shimOnlyBridge(tx).unwrapGrdbRead.database)
}
/// Outside tests, prefer the variant that takes a transaction.
static func _fetchOne(forAci aci: Aci, database: Database) -> UsernameLookupRecord? {
do {
return try UsernameLookupRecord.fetchOne(database, key: aci.rawUUID)
} catch let error {
owsFailDebug("Got error while fetching record by ACI: \(error.grdbErrorForLogging)")
return nil
}
}
public func enumerateAll(tx: DBReadTransaction, block: (UsernameLookupRecord) -> Void) {
do {
let cursor = try UsernameLookupRecord.fetchCursor(
SDSDB.shimOnlyBridge(tx).unwrapGrdbRead.database,
sql: "SELECT * FROM \(UsernameLookupRecord.databaseTableName)"
)
while let value = try cursor.next() {
block(value)
}
} catch {
owsFailDebug("Got error while enumerating usernames: \(error.grdbErrorForLogging)")
}
}
public func insertOne(_ usernameLookupRecord: UsernameLookupRecord, tx: DBWriteTransaction) {
do {
try usernameLookupRecord.insert(SDSDB.shimOnlyBridge(tx).unwrapGrdbWrite.database)
} catch let error {
owsFailDebug("Got error while upserting record: \(error.grdbErrorForLogging)")
}
}
public func deleteOne(forAci aci: Aci, tx: DBWriteTransaction) {
Self._deleteOne(forAci: aci, database: SDSDB.shimOnlyBridge(tx).unwrapGrdbWrite.database)
}
/// Outside tests, prefer the variant that takes a transaction.
static func _deleteOne(forAci aci: Aci, database: Database) {
do {
try UsernameLookupRecord.deleteOne(database, key: aci.rawUUID)
} catch let error {
owsFailDebug("Got error while deleting record by ACI: \(error.grdbErrorForLogging)")
}
}
}
#if TESTABLE_BUILD
class MockUsernameLookupRecordStore: UsernameLookupRecordStore {
var usernameLookupRecords = [Aci: UsernameLookupRecord]()
func fetchOne(forAci aci: Aci, tx: DBReadTransaction) -> UsernameLookupRecord? {
return usernameLookupRecords[aci]
}
func enumerateAll(tx: DBReadTransaction, block: (UsernameLookupRecord) -> Void) {
usernameLookupRecords.values.forEach(block)
}
func deleteOne(forAci aci: Aci, tx: DBWriteTransaction) {
usernameLookupRecords.removeValue(forKey: aci)
}
func insertOne(_ usernameLookupRecord: UsernameLookupRecord, tx: DBWriteTransaction) {
usernameLookupRecords[Aci(fromUUID: usernameLookupRecord.aci)] = usernameLookupRecord
}
}
#endif