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optimize code

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pornking
2026-08-22 16:52:49 +03:00
parent 9da161c095
commit 7775579b70
8 changed files with 72 additions and 78 deletions
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apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/Main.kt
+1 -1
View File
@@ -27,7 +27,7 @@ fun Application.module() {
runBlocking { koin.getOrNull<CacheStorage>()?.close() }
}
val koin = object : KoinComponent {}
configureSerialization()
configureSerialization(koin.get())
configureJwt(koin.get())
configureWebSocket(koin.get())
configureRouting(koin.get(), koin.get())
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/data/BackendUpdateFetcher.kt
+29 -2
View File
@@ -1,6 +1,9 @@
package ru.shadowsparky.vbox.backend.data
import io.ktor.http.HttpStatusCode
import io.ktor.util.cio.readChannel
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import kotlinx.coroutines.withContext
import kotlinx.serialization.json.Json
import org.koin.core.annotation.Factory
@@ -28,8 +31,18 @@ class BackendUpdateFetcher(
private val dispatcherProvider: DispatcherProvider,
private val userId: Long
) : UpdateFetcher {
private val fetchMutex = Mutex()
private val updateFileMutex = Mutex()
override suspend fun fetch(versionCode: Long): UpdateInfo = withContext(dispatcherProvider.io) {
override suspend fun fetch(versionCode: Long): UpdateInfo {
updateInfo?.let { return it }
fetchMutex.withLock {
updateInfo?.let { return it }
return fetchInternal().apply { updateInfo = this }
}
}
private suspend fun fetchInternal(): UpdateInfo = withContext(dispatcherProvider.io) {
val configPath = envFetcher.get("UPDATE_CONFIG")
if (configPath.isBlank()) {
UpdateInfo()
@@ -38,11 +51,25 @@ class BackendUpdateFetcher(
}
}
suspend fun updateFile(): File = withContext(dispatcherProvider.io) {
suspend fun updateFile(): File {
updateFile?.let { return it }
updateFileMutex.withLock {
updateFile?.let { return it }
return updateFileInternal().apply { updateFile = this }
}
}
private suspend fun updateFileInternal(): File = withContext(dispatcherProvider.io) {
val updateFilePath = envFetcher.get("UPDATE_FILE")
if (updateFilePath.isBlank()) throw HttpException(HttpStatusCode.NotFound.value, "Update not found")
val file = File(updateFilePath)
file.readChannel()
if (!file.exists()) throw HttpException(HttpStatusCode.NotFound.value, "Update not exists")
file
}
private companion object {
var updateInfo: UpdateInfo? = null
var updateFile: File? = null
}
}
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/data/FuzzySearchFilter.kt
+1 -1
View File
@@ -49,6 +49,6 @@ class FuzzyMovieSearchFilter {
}
private companion object {
const val THRESHOLD = 55
const val THRESHOLD = 70
}
}
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/data/RedisCacheStorage.kt
+28 -44
View File
@@ -3,7 +3,7 @@ package ru.shadowsparky.vbox.backend.data
import io.lettuce.core.ExperimentalLettuceCoroutinesApi
import io.lettuce.core.RedisClient
import io.lettuce.core.SetArgs
import io.lettuce.core.api.StatefulRedisConnection
import io.lettuce.core.api.StatefulConnection
import io.lettuce.core.api.coroutines
import io.lettuce.core.api.coroutines.RedisCoroutinesCommands
import kotlinx.coroutines.sync.Mutex
@@ -18,6 +18,7 @@ import ru.shadowsparky.domain.DispatcherProvider
import ru.shadowsparky.vbox.backend.domain.CacheStorage
import java.util.concurrent.ConcurrentHashMap
import kotlin.time.Duration
import kotlin.time.toJavaDuration
@OptIn(ExperimentalLettuceCoroutinesApi::class)
@Single
@@ -27,25 +28,23 @@ class RedisCacheStorage(
private val json: Json
) : CacheStorage {
private val logger = LoggerFactory.getLogger("RedisCacheStorage")
private var client: RedisClient? = null
private var connection: StatefulRedisConnection<String, String>? = null
private var commands: RedisCoroutinesCommands<String, String>? = null
private var session: Session? = null
private val connectionMutex = Mutex()
private val locks = ConcurrentHashMap<String, Mutex>()
override suspend fun <T> getOrCreate(
key: String,
serializer: KSerializer<T>,
ttl: Duration?,
createNew: suspend () -> T,
ttl: Duration,
factory: suspend () -> T,
): T {
read(key, serializer)?.let { return it }
val mutex = locks.computeIfAbsent(key) { Mutex() }
return mutex.withLock {
try {
read(key, serializer)?.let { return@withLock it }
createNew().also {
factory().also {
write(key, it, serializer, ttl)
}
} finally {
@@ -58,16 +57,11 @@ class RedisCacheStorage(
key: String,
value: T,
serializer: KSerializer<T>,
duration: Duration? = null
duration: Duration
) {
val ttlInSeconds = duration?.inWholeSeconds
val rawValue = json.encodeToString(serializer, value)
if (ttlInSeconds != null && ttlInSeconds > 0) {
val args = SetArgs().ex(ttlInSeconds)
val args = SetArgs().ex(duration.toJavaDuration())
getCommands().set(key, rawValue, args)
} else {
getCommands().set(key, rawValue)
}
}
private suspend fun <T> read(key: String, serializer: KSerializer<T>): T? {
@@ -76,50 +70,40 @@ class RedisCacheStorage(
}
override suspend fun delete(key: String) {
(getCommands().del(key) ?: 0L) > 0L
getCommands().del(key)
}
override suspend fun close() {
connectionMutex.withLock {
if (connection != null || client != null) {
session?.let {
logger.info("closing redis...")
try {
connection?.close()
client?.shutdown()
} catch (e: Exception) {
logger.error("unable to close redis: ${e.message}", e)
} finally {
connection = null
client = null
commands = null
runCatching {
it.connection.close()
it.client.shutdown()
}
session = null
}
}
}
private suspend fun getCommands(): RedisCoroutinesCommands<String, String> {
commands?.let { return it }
session?.commands?.let { return it }
return connectionMutex.withLock {
commands?.let { return@withLock it }
session?.commands?.let { return@withLock it }
withContext(dispatcherProvider.io) {
try {
val redisUri = envFetcher.get("REDIS_URI", "redis://redis:6379")
logger.info("Динамическое подключение к Redis: $redisUri")
val redisClient = RedisClient.create(redisUri)
val conn = redisClient.connect()
val cmds = conn.coroutines()
conn.coroutines().apply {
session = Session(redisClient, conn, this)
}
}
}
}
client = redisClient
connection = conn
commands = cmds
logger.info("Успешно подключено к Redis")
cmds
} catch (e: Exception) {
logger.error("Ошибка динамического подключения к Redis: ${e.message}", e)
throw e
}
}
}
}
private class Session(
val client: RedisClient,
val connection: StatefulConnection<String, String>,
val commands: RedisCoroutinesCommands<String, String>
)
}
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/domain/CacheStorage.kt
+4 -4
View File
@@ -8,8 +8,8 @@ interface CacheStorage {
suspend fun <T> getOrCreate(
key: String,
serializer: KSerializer<T>,
ttl: Duration? = null,
createNew: suspend () -> T,
ttl: Duration,
factory: suspend () -> T
): T
suspend fun delete(key: String)
suspend fun close()
@@ -18,12 +18,12 @@ interface CacheStorage {
suspend inline fun <reified T> CacheStorage.getOrCreate(
key: String,
ttl: Duration,
noinline createNew: suspend () -> T,
noinline factory: suspend () -> T,
): T {
return getOrCreate(
key = key,
serializer = serializer<T>(),
ttl = ttl,
createNew = createNew
factory = factory
)
}
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/presentation/Jwt.kt
+3 -5
View File
@@ -18,18 +18,16 @@ import ru.shadowsparky.vbox.shared.domain.model.ServerExceptionInfo
const val AUTH_JWT_NAME = "auth-jwt"
fun Application.configureJwt(authEntryPoint: AuthEntryPoint) {
fun Application.configureJwt(authEntryPoint: AuthEntryPoint) = with(authEntryPoint) {
install(Authentication) {
jwt(AUTH_JWT_NAME) {
val jwtInfo = authEntryPoint.jwtInfo
realm = jwtInfo.realm
verifier(authEntryPoint.tokenVerifier.verifier)
verifier(tokenVerifier.verifier)
validate { credential ->
val tokenRepo = authEntryPoint.loginVerifier
val login = credential.payload.getClaim(LOGIN_NAME).asString()
try {
if (login != null) {
tokenRepo.verify(login)
loginVerifier.verify(login)
if (credential.payload.expiresAt == null) {
throw VerifyTokenException("Static tokens not supported!")
}
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/presentation/Serialization.kt
+3 -4
View File
@@ -4,9 +4,8 @@ import io.ktor.serialization.kotlinx.json.json
import io.ktor.server.application.Application
import io.ktor.server.application.install
import io.ktor.server.plugins.contentnegotiation.ContentNegotiation
import kotlinx.serialization.json.Json
fun Application.configureSerialization() {
install(ContentNegotiation) {
json()
}
fun Application.configureSerialization(json: Json) {
install(ContentNegotiation) { json(json) }
}
apps/vbox/backend/src/main/kotlin/ru/shadowsparky/vbox/backend/presentation/WebSocket.kt
+2 -16
View File
@@ -13,24 +13,19 @@ import io.ktor.server.websocket.webSocket
import io.ktor.websocket.Frame
import io.ktor.websocket.readText
import kotlinx.coroutines.CompletableDeferred
import kotlinx.coroutines.awaitCancellation
import kotlinx.coroutines.channels.ReceiveChannel
import kotlinx.coroutines.channels.SendChannel
import kotlinx.serialization.json.Json
import ru.shadowsparky.backend.data.TokenVerifier
import ru.shadowsparky.http.domain.BadRequestException
import ru.shadowsparky.http.domain.HttpException
import ru.shadowsparky.vbox.backend.data.SessionRegistry
import ru.shadowsparky.vbox.backend.data.eventLogger
import ru.shadowsparky.vbox.backend.di.WebSocketEntryPoint
import ru.shadowsparky.vbox.shared.domain.AuthRequest
import ru.shadowsparky.vbox.shared.domain.AuthResponse
import ru.shadowsparky.vbox.shared.domain.RecentlyWatchedRepository
import ru.shadowsparky.vbox.shared.domain.RemoteEventHandler
import ru.shadowsparky.vbox.shared.domain.SavedMovieRepository
import ru.shadowsparky.vbox.shared.domain.SearchRepository
import ru.shadowsparky.vbox.shared.domain.USER_ID_ARG
import ru.shadowsparky.vbox.shared.domain.tag.MovieTagRepository
import ru.shadowsparky.vbox.shared.domain.tag.UserTagRepository
import kotlin.time.Duration.Companion.seconds
fun Application.configureWebSocket(socketEntryPoint: WebSocketEntryPoint) = with(socketEntryPoint) {
@@ -41,15 +36,6 @@ fun Application.configureWebSocket(socketEntryPoint: WebSocketEntryPoint) = with
masking = false
}
routing {
listOf(
"${SearchRepository.PREFIX}/onChange",
"${RecentlyWatchedRepository.PREFIX}/onChange",
"${SavedMovieRepository.PREFIX}/onChange",
"${UserTagRepository.PREFIX}/onChange",
"${MovieTagRepository.PREFIX}/onChange"
).forEach {
webSocket(it) { awaitCancellation() }
}
webSocket(RemoteEventHandler.ON_EVENT) {
val userId = incoming.authFlow(json, tokenVerifier, outgoing)
val session = SessionRegistry.Writer { text -> outgoing.trySend(Frame.Text(text)) }
@@ -75,7 +61,7 @@ private suspend fun ReceiveChannel<Frame>.authFlow(
tokenVerifier: TokenVerifier,
sendChannel: SendChannel<Frame>
): Long {
val rawRequest = receiveTextOrNull() ?: throw HttpException(HttpStatusCode.BadRequest)
val rawRequest = receiveTextOrNull() ?: throw BadRequestException("Authentication request required")
val request = runCatching { json.decodeFromString<AuthRequest>(rawRequest) }.getOrNull()
val decodedJwt = if (request == null) {
tokenVerifier.verify(rawRequest)