Merge pull request #21 from InsanusMokrassar/0.11.0

0.11.0

CHANGELOG.md

@@ -1,5 +1,12 @@
 # TelegramBotAPI changelog
 
+## 0.11.0
+
+* Kotlin `1.3.11` -> `1.3.21`
+* Kotlin coroutines `1.1.0` -> `1.1.1`
+* Kotlin serialization `0.9.1` -> `0.10.0`
+* Ktor `1.1.1` -> `1.1.2`
+
 ## 0.10.0
 
 * Most part of abstractions was replaced from `requests` and `types` on more high level

build.gradle

@@ -1,4 +1,4 @@
-project.version = "0.10.3"
+project.version = "0.11.0"
 project.group = "com.github.insanusmokrassar"
 
 buildscript {
@@ -40,3 +40,9 @@ dependencies {
     // Use JUnit test framework
     testImplementation 'junit:junit:4.12'
 }
+
+compileKotlin {
+    kotlinOptions {
+        freeCompilerArgs = [ disableImplicitReflectionSerializerAnnotation ]
+    }
+}

gradle.properties

@@ -1,8 +1,10 @@
 kotlin.code.style=official
-kotlin_version=1.3.11
-kotlin_coroutines_version=1.1.0
-kotlin_serialisation_runtime_version=0.9.1
+kotlin_version=1.3.21
+kotlin_coroutines_version=1.1.1
+kotlin_serialisation_runtime_version=0.10.0
 joda_time_version=2.10.1
-ktor_version=1.1.1
+ktor_version=1.1.2
 
 gradle_bintray_plugin_version=1.8.4
+
+disableImplicitReflectionSerializerAnnotation=-Xexperimental=kotlinx.serialization.ImplicitReflectionSerializer

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Wed Nov 07 21:46:14 CST 2018
+#Thu Feb 21 12:05:40 HKT 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-bin.zip

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/KtorRequestsExecutor.kt

@@ -16,7 +16,7 @@ import io.ktor.client.engine.okhttp.OkHttp
 import io.ktor.util.cio.toByteArray
 import kotlinx.coroutines.delay
 import kotlinx.io.charsets.Charset
-import kotlinx.serialization.json.JSON
+import kotlinx.serialization.json.Json
 
 class KtorRequestsExecutor(
     token: String,
@@ -25,7 +25,7 @@ class KtorRequestsExecutor(
     callsFactories: List<KtorCallFactory> = emptyList(),
     excludeDefaultFactories: Boolean = false,
     private val requestsLimiter: RequestLimiter = EmptyLimiter,
-    private val jsonFormatter: JSON = JSON.nonstrict
+    private val jsonFormatter: Json = Json.nonstrict
 ) : BaseRequestsExecutor(token, hostUrl) {
     constructor(
         token: String,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/MultipartRequestCallFactory.kt

@@ -33,7 +33,7 @@ class MultipartRequestCallFactory : KtorCallFactory {
                         when (value) {
                             is MultipartFile -> append(
                                 key,
-                                value.file.inputStream().asInput(),
+                                value.file.asInput(),
                                 Headers.build {
                                     append(HttpHeaders.ContentType, value.mimeType)
                                     append(HttpHeaders.ContentDisposition, "filename=${value.fileId}")

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/bot/Ktor/base/SimpleRequestCallFactory.kt

@@ -1,8 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.bot.Ktor.base
 
 import com.github.insanusmokrassar.TelegramBotAPI.bot.Ktor.KtorCallFactory
-import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.Request
-import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.SimpleRequest
+import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.*
 import com.github.insanusmokrassar.TelegramBotAPI.utils.toJsonWithoutNulls
 import io.ktor.client.HttpClient
 import io.ktor.client.call.HttpClientCall
@@ -27,7 +26,7 @@ class SimpleRequestCallFactory : KtorCallFactory {
             method = HttpMethod.Post
             accept(ContentType.Application.Json)
 
-            val content = request.toJsonWithoutNulls().toString()
+            val content = request.toJsonWithoutNulls(SimpleRequestSerializer).toString()
 
             body = TextContent(
                 content,

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/abstracts/InputFile.kt

@@ -1,5 +1,6 @@
 package com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts
 
+import com.github.insanusmokrassar.TelegramBotAPI.utils.StorageFile
 import kotlinx.serialization.*
 import java.io.File
 import java.nio.file.Files
@@ -22,24 +23,23 @@ fun String.toInputFile(): InputFile = FileId(this)
 
 @Serializer(FileId::class)
 object FileIdSerializer : KSerializer<FileId> {
-    override fun serialize(output: Encoder, obj: FileId) = output.encodeString(obj.fileId)
-    override fun deserialize(input: Decoder): FileId = FileId(input.decodeString())
+    override fun serialize(encoder: Encoder, obj: FileId) = encoder.encodeString(obj.fileId)
+    override fun deserialize(decoder: Decoder): FileId = FileId(decoder.decodeString())
 }
 
 // TODO:: add checks for files size
 /**
  * Contains info about file for sending
  */
+@Serializable
 data class MultipartFile (
-    val file: File,
-    val mimeType: String = Files.probeContentType(file.toPath()),
-    val filename: String = file.name
+    val file: StorageFile,
+    val mimeType: String = file.contentType,
+    val filename: String = file.fileName
 ) : InputFile() {
-    override val fileId: String by lazy {
-        "${UUID.randomUUID()}.${file.extension}"
-    }
+    override val fileId: String = file.generateCustomName()
 }
 
 fun File.toInputFile(): InputFile = MultipartFile(
-    this
+    StorageFile(this)
 )

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/abstracts/SimpleRequest.kt

@@ -1,3 +1,10 @@
 package com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts
 
+import kotlinx.serialization.ContextSerializer
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializable
+
+@Serializable(SimpleRequestSerializer::class)
 interface SimpleRequest<T: Any> : Request<T>
+
+object SimpleRequestSerializer : KSerializer<SimpleRequest<*>> by ContextSerializer(SimpleRequest::class)

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/requests/chat/modify/SetChatPhoto.kt

@@ -4,10 +4,10 @@ import com.github.insanusmokrassar.TelegramBotAPI.CommonAbstracts.types.ChatRequ
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.MultipartFile
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.MultipartRequest
 import com.github.insanusmokrassar.TelegramBotAPI.types.*
+import com.github.insanusmokrassar.TelegramBotAPI.utils.toJson
 import kotlinx.serialization.*
 import kotlinx.serialization.internal.BooleanSerializer
 import kotlinx.serialization.json.JsonObject
-import kotlinx.serialization.json.JsonTreeMapper
 
 @Serializable
 data class SetChatPhoto (
@@ -19,5 +19,5 @@ data class SetChatPhoto (
     override fun method(): String = "setChatPhoto"
     override fun resultSerializer(): KSerializer<Boolean> = BooleanSerializer
     override val mediaMap: Map<String, MultipartFile> = mapOf(photoField to photo)
-    override val paramsJson: JsonObject = JsonTreeMapper().writeTree(this, serializer()).jsonObject
+    override val paramsJson: JsonObject = this.toJson(serializer())
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/ChatIdentifier.kt

@@ -32,8 +32,8 @@ fun String.asUsername(): Username = Username(this)
 
 @Serializer(ChatIdentifier::class)
 internal class ChatIdentifierSerializer: KSerializer<ChatIdentifier> {
-    override fun deserialize(input: Decoder): ChatIdentifier {
-        val id = input.decodeString()
+    override fun deserialize(decoder: Decoder): ChatIdentifier {
+        val id = decoder.decodeString()
         return id.toLongOrNull() ?.let {
             ChatId(it)
         } ?: if (!id.startsWith("@")) {
@@ -43,10 +43,10 @@ internal class ChatIdentifierSerializer: KSerializer<ChatIdentifier> {
         }
     }
 
-    override fun serialize(output: Encoder, obj: ChatIdentifier) {
+    override fun serialize(encoder: Encoder, obj: ChatIdentifier) {
         when (obj) {
-            is ChatId -> output.encodeString(obj.chatId.toString())
-            is Username -> output.encodeString(obj.username)
+            is ChatId -> encoder.encodeString(obj.chatId.toString())
+            is Username -> encoder.encodeString(obj.username)
         }
     }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InlineQueryResult/serializers/InlineQueryResultSerializer.kt

@@ -8,32 +8,32 @@ import sun.reflect.generics.reflectiveObjects.NotImplementedException
 @Serializer(InlineQueryResult::class)
 object InlineQueryResultSerializer :
     KSerializer<InlineQueryResult> {
-    override fun serialize(output: Encoder, obj: InlineQueryResult) {
+    override fun serialize(encoder: Encoder, obj: InlineQueryResult) {
         when(obj) {
-            is InlineQueryResultArticle -> InlineQueryResultArticle.serializer().serialize(output, obj)
-            is InlineQueryResultAudioCachedImpl -> InlineQueryResultAudioCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultAudioImpl -> InlineQueryResultAudioImpl.serializer().serialize(output, obj)
-            is InlineQueryResultContact -> InlineQueryResultContact.serializer().serialize(output, obj)
-            is InlineQueryResultDocumentCachedImpl -> InlineQueryResultDocumentCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultDocumentImpl -> InlineQueryResultDocumentImpl.serializer().serialize(output, obj)
-            is InlineQueryResultGame -> InlineQueryResultGame.serializer().serialize(output, obj)
-            is InlineQueryResultGifCachedImpl -> InlineQueryResultGifCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultGifImpl -> InlineQueryResultGifImpl.serializer().serialize(output, obj)
-            is InlineQueryResultLocation -> InlineQueryResultLocation.serializer().serialize(output, obj)
-            is InlineQueryResultMpeg4GifCachedImpl -> InlineQueryResultMpeg4GifCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultMpeg4GifImpl -> InlineQueryResultMpeg4GifImpl.serializer().serialize(output, obj)
-            is InlineQueryResultPhotoCachedImpl -> InlineQueryResultPhotoCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultPhotoImpl -> InlineQueryResultPhotoImpl.serializer().serialize(output, obj)
-            is InlineQueryResultStickerCached -> InlineQueryResultStickerCached.serializer().serialize(output, obj)
-            is InlineQueryResultVenue -> InlineQueryResultVenue.serializer().serialize(output, obj)
-            is InlineQueryResultVideoCachedImpl -> InlineQueryResultVideoCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultVideoImpl -> InlineQueryResultVideoImpl.serializer().serialize(output, obj)
-            is InlineQueryResultVoiceCachedImpl -> InlineQueryResultVoiceCachedImpl.serializer().serialize(output, obj)
-            is InlineQueryResultVoiceImpl -> InlineQueryResultVoiceImpl.serializer().serialize(output, obj)
+            is InlineQueryResultArticle -> InlineQueryResultArticle.serializer().serialize(encoder, obj)
+            is InlineQueryResultAudioCachedImpl -> InlineQueryResultAudioCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultAudioImpl -> InlineQueryResultAudioImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultContact -> InlineQueryResultContact.serializer().serialize(encoder, obj)
+            is InlineQueryResultDocumentCachedImpl -> InlineQueryResultDocumentCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultDocumentImpl -> InlineQueryResultDocumentImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultGame -> InlineQueryResultGame.serializer().serialize(encoder, obj)
+            is InlineQueryResultGifCachedImpl -> InlineQueryResultGifCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultGifImpl -> InlineQueryResultGifImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultLocation -> InlineQueryResultLocation.serializer().serialize(encoder, obj)
+            is InlineQueryResultMpeg4GifCachedImpl -> InlineQueryResultMpeg4GifCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultMpeg4GifImpl -> InlineQueryResultMpeg4GifImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultPhotoCachedImpl -> InlineQueryResultPhotoCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultPhotoImpl -> InlineQueryResultPhotoImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultStickerCached -> InlineQueryResultStickerCached.serializer().serialize(encoder, obj)
+            is InlineQueryResultVenue -> InlineQueryResultVenue.serializer().serialize(encoder, obj)
+            is InlineQueryResultVideoCachedImpl -> InlineQueryResultVideoCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultVideoImpl -> InlineQueryResultVideoImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultVoiceCachedImpl -> InlineQueryResultVoiceCachedImpl.serializer().serialize(encoder, obj)
+            is InlineQueryResultVoiceImpl -> InlineQueryResultVoiceImpl.serializer().serialize(encoder, obj)
         }
     }
 
-    override fun deserialize(input: Decoder): InlineQueryResult {
+    override fun deserialize(decoder: Decoder): InlineQueryResult {
         throw NotImplementedException()
     }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/InputMessageContentSerializer.kt

@@ -0,0 +1,20 @@
+package com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries
+
+import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InputMessageContent.*
+import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts.InputMessageContent
+import kotlinx.serialization.*
+
+@Serializer(InputMessageContent::class)
+object InputMessageContentSerializer : KSerializer<InputMessageContent> {
+    override fun serialize(encoder: Encoder, obj: InputMessageContent) {
+        when (obj) {
+            is InputContactMessageContent -> InputContactMessageContent.serializer().serialize(encoder, obj)
+            is InputLocationMessageContent -> InputLocationMessageContent.serializer().serialize(encoder, obj)
+            is InputTextMessageContent -> InputTextMessageContent.serializer().serialize(encoder, obj)
+            is InputVenueMessageContent -> InputVenueMessageContent.serializer().serialize(encoder, obj)
+            else -> throw IllegalArgumentException("Unknown for serializing InputContactMessageContent")
+        }
+    }
+
+    override fun deserialize(decoder: Decoder): InputMessageContent = throw IllegalStateException("Object can't be deserialized")
+}

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InlineQueries/abstracts/InputMessageContent.kt

@@ -1,3 +1,7 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.abstracts
 
+import com.github.insanusmokrassar.TelegramBotAPI.types.InlineQueries.InputMessageContentSerializer
+import kotlinx.serialization.Serializable
+
+@Serializable(InputMessageContentSerializer::class)
 interface InputMessageContent

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMedia.kt

@@ -1,9 +1,11 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.InputMedia
 
 import com.github.insanusmokrassar.TelegramBotAPI.requests.abstracts.InputFile
+import kotlinx.serialization.Serializable
 
 const val inputMediaFileAttachmentNameTemplate = "attach://%s"
 
+@Serializable(InputMediaSerializer::class)
 interface InputMedia {
     val type: String
     val file: InputFile

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/InputMedia/InputMediaSerializer.kt

@@ -0,0 +1,21 @@
+package com.github.insanusmokrassar.TelegramBotAPI.types.InputMedia
+
+import kotlinx.serialization.*
+
+@Serializer(InputMedia::class)
+object InputMediaSerializer : KSerializer<InputMedia> {
+    override fun serialize(encoder: Encoder, obj: InputMedia) {
+        when (obj) {
+            is InputMediaVideo -> InputMediaVideo.serializer().serialize(encoder, obj)
+            is InputMediaAudio -> InputMediaAudio.serializer().serialize(encoder, obj)
+            is InputMediaPhoto -> InputMediaPhoto.serializer().serialize(encoder, obj)
+            is InputMediaAnimation -> InputMediaAnimation.serializer().serialize(encoder, obj)
+            is InputMediaDocument -> InputMediaDocument.serializer().serialize(encoder, obj)
+            else -> throw IllegalArgumentException("Can't perform and serialize $obj")
+        }
+    }
+
+    override fun deserialize(decoder: Decoder): InputMedia {
+        throw IllegalStateException("Object can't be deserialized")
+    }
+}

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/ParseMode/ParseMode.kt

@@ -25,8 +25,8 @@ object HTMLParseMode : ParseMode() {
 
 @Serializer(ParseMode::class)
 internal class ParseModeSerializerObject: KSerializer<ParseMode> {
-    override fun deserialize(input: Decoder): ParseMode {
-        val mode = input.decodeString()
+    override fun deserialize(decoder: Decoder): ParseMode {
+        val mode = decoder.decodeString()
         return when (mode) {
             MarkdownParseMode.parseModeName -> MarkdownParseMode
             HTMLParseMode.parseModeName -> HTMLParseMode
@@ -34,7 +34,7 @@ internal class ParseModeSerializerObject: KSerializer<ParseMode> {
         }
     }
 
-    override fun serialize(output: Encoder, obj: ParseMode) {
-        output.encodeString(obj.parseModeName)
+    override fun serialize(encoder: Encoder, obj: ParseMode) {
+        encoder.encodeString(obj.parseModeName)
     }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/TelegramDate.kt

@@ -22,15 +22,15 @@ fun DateTime.toTelegramDate(): TelegramDate = TelegramDate(this)
 
 @Serializer(TelegramDate::class)
 internal class TelegramDateSerializer: KSerializer<TelegramDate> {
-    override fun serialize(output: Encoder, obj: TelegramDate) {
-        output.encodeLong(
+    override fun serialize(encoder: Encoder, obj: TelegramDate) {
+        encoder.encodeLong(
             TimeUnit.MILLISECONDS.toSeconds(obj.asDate.millis)
         )
     }
 
-    override fun deserialize(input: Decoder): TelegramDate {
+    override fun deserialize(decoder: Decoder): TelegramDate {
         return TelegramDate(
-            input.decodeLong()
+            decoder.decodeLong()
         )
     }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/actions/BotAction.kt

@@ -20,12 +20,12 @@ sealed class BotAction {
 
 @Serializer(BotAction::class)
 class BotActionSerializer: KSerializer<BotAction> {
-    override fun serialize(output: Encoder, obj: BotAction) {
-        output.encodeString(obj.actionName)
+    override fun serialize(encoder: Encoder, obj: BotAction) {
+        encoder.encodeString(obj.actionName)
     }
 
-    override fun deserialize(input: Decoder): BotAction {
-        val actionName = input.decodeString()
+    override fun deserialize(decoder: Decoder): BotAction {
+        val actionName = decoder.decodeString()
         return actions.firstOrNull { it.actionName == actionName } ?: throw IllegalStateException("Unknown action type: $actionName")
     }
 }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/InlineKeyboardMarkup.kt

@@ -1,11 +1,16 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
 import com.github.insanusmokrassar.TelegramBotAPI.types.buttons.InlineKeyboardButtons.InlineKeyboardButton
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
+import kotlinx.serialization.*
+import kotlinx.serialization.internal.ArrayListSerializer
 
 @Serializable
 data class InlineKeyboardMarkup(
     @SerialName("inline_keyboard")
+    @Serializable(with = KeyboardSerializer::class)
     val keyboard: Matrix<InlineKeyboardButton>
 ) : KeyboardMarkup
+
+object KeyboardSerializer : KSerializer<Matrix<InlineKeyboardButton>> by ArrayListSerializer(
+    ArrayListSerializer(ContextSerializer(InlineKeyboardButton::class))
+)

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/KeyboardMarkup.kt

@@ -1,3 +1,6 @@
 package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
 
+import kotlinx.serialization.Serializable
+
+@Serializable(KeyboardMarkupSerializer::class)
 interface KeyboardMarkup

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/buttons/KeyboardMarkupSerializer.kt

@@ -0,0 +1,15 @@
+package com.github.insanusmokrassar.TelegramBotAPI.types.buttons
+
+import kotlinx.serialization.*
+
+@Serializer(KeyboardMarkup::class)
+object KeyboardMarkupSerializer : KSerializer<KeyboardMarkup> {
+    override fun serialize(encoder: Encoder, obj: KeyboardMarkup) {
+        when(obj) {
+            is ForceReply -> ForceReply.serializer().serialize(encoder, obj)
+            is InlineKeyboardMarkup -> InlineKeyboardMarkup.serializer().serialize(encoder, obj)
+            is ReplyKeyboardMarkup -> ReplyKeyboardMarkup.serializer().serialize(encoder, obj)
+            is ReplyKeyboardRemove -> ReplyKeyboardRemove.serializer().serialize(encoder, obj)
+        }
+    }
+}

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/types/payments/abstracts/Currencied.kt

@@ -9,12 +9,12 @@ interface Currencied {
 
 @Serializer(Currency::class)
 object CurrencySerializer : KSerializer<Currency> {
-    override fun serialize(output: Encoder, obj: Currency) {
-        output.encodeString(obj.currencyCode)
+    override fun serialize(encoder: Encoder, obj: Currency) {
+        encoder.encodeString(obj.currencyCode)
     }
 
-    override fun deserialize(input: Decoder): Currency {
-        return input.decodeString().let {
+    override fun deserialize(decoder: Decoder): Currency {
+        return decoder.decodeString().let {
             Currency.getInstance(it)
         }
     }

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/JSON.kt

@@ -4,13 +4,15 @@ import kotlinx.serialization.*
 import kotlinx.serialization.json.*
 
 @ImplicitReflectionSerializer
-inline fun <reified T: Any> T.toJsonWithoutNulls(): JsonObject = toJson(serializerByValue(this)).withoutNulls()
+inline fun <reified T: Any> T.toJsonWithoutNulls(): JsonObject = Json.nonstrict.toJson(
+    this
+).jsonObject.withoutNulls()
 
 inline fun <reified T: Any> T.toJsonWithoutNulls(serializer: KSerializer<T>): JsonObject = toJson(serializer).withoutNulls()
 
-inline fun <reified T: Any> T.toJson(serializer: KSerializer<T>): JsonObject = JsonTreeMapper().writeTree(
-    this,
-    serializer
+inline fun <reified T: Any> T.toJson(serializer: KSerializer<T>): JsonObject = Json.nonstrict.toJson(
+    serializer,
+    this
 ).jsonObject
 
 fun JsonArray.withoutNulls(): JsonArray {

src/main/kotlin/com/github/insanusmokrassar/TelegramBotAPI/utils/StorageFile.kt

@@ -0,0 +1,20 @@
+package com.github.insanusmokrassar.TelegramBotAPI.utils
+
+import kotlinx.io.core.Input
+import kotlinx.io.streams.asInput
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.Transient
+import java.io.File
+import java.nio.file.Files
+import java.util.*
+
+@Serializable
+data class StorageFile(
+    @Transient
+    private val file: File = throw IllegalStateException("Can't create object without file")
+) {
+    val contentType: String = Files.probeContentType(file.toPath())
+    val fileName: String = file.name
+    fun generateCustomName(): String = "${UUID.randomUUID()}.${file.extension}"
+    fun asInput(): Input = Files.newInputStream(file.toPath()).asInput()
+}