add generation of class casts

build.gradle

@@ -7,6 +7,7 @@ buildscript {
 
     dependencies {
         classpath libs.kotlin.gradle.plugin
+        classpath libs.kotlin.ksp.plugin
         classpath libs.kotlin.serialization.plugin
         classpath libs.kotlin.dokka.plugin
         classpath libs.github.release.plugin

gradle/libs.versions.toml

@@ -10,6 +10,9 @@ korlibs = "3.0.0"
 uuid = "0.5.0"
 ktor = "2.0.3"
 
+ksp = "1.7.10-1.0.6"
+kotlin-poet = "1.12.0"
+
 microutils = "0.12.0"
 
 github-release-plugin = "2.4.1"
@@ -45,14 +48,21 @@ microutils-languageCodes = { module = "dev.inmo:micro_utils.language_codes", ver
 microutils-ktor-common = { module = "dev.inmo:micro_utils.ktor.common", version.ref = "microutils" }
 microutils-fsm-common = { module = "dev.inmo:micro_utils.fsm.common", version.ref = "microutils" }
 
+# ksp dependencies
+
+kotlin-poet = { module = "com.squareup:kotlinpoet-ksp", version.ref = "kotlin-poet" }
+ksp = { module = "com.google.devtools.ksp:symbol-processing-api", version.ref = "ksp" }
+
 # buildscript classpaths
 
 kotlin-gradle-plugin = { module = "org.jetbrains.kotlin:kotlin-gradle-plugin", version.ref = "kotlin" }
+kotlin-ksp-plugin = { module = "com.google.devtools.ksp:symbol-processing-gradle-plugin", version.ref = "ksp" }
 kotlin-serialization-plugin = { module = "org.jetbrains.kotlin:kotlin-serialization", version.ref = "kotlin" }
 kotlin-dokka-plugin = { module = "org.jetbrains.dokka:dokka-gradle-plugin", version.ref = "kotlin" }
 github-release-plugin = { module = "com.github.breadmoirai:github-release", version.ref = "github-release-plugin" }
 
 [plugins]
 
+kotlin-jvm = { id = "org.jetbrains.kotlin.jvm", version.ref = "kotlin" }
 kotlin-multiplatform = { id = "org.jetbrains.kotlin.multiplatform", version.ref = "kotlin" }
 kotlin-serialization = { id = "org.jetbrains.kotlin.plugin.serialization", version.ref = "kotlin" }

settings.gradle

@@ -12,6 +12,8 @@ pluginManagement {
 }
 
 include ":tgbotapi.core"
+include ":tgbotapi.ksp:processor"
+include ":tgbotapi.ksp:lib"
 include ":tgbotapi.api"
 include ":tgbotapi.utils"
 include ":tgbotapi.behaviour_builder"

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitCallbackQuery.kt

@@ -4,7 +4,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asCallbackQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.callbackQueryUpdateOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.queries.callback.*
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -22,7 +22,7 @@ suspend inline fun <reified O> BehaviourContext.waitCallbackQueries(
     initRequest,
     errorFactory
 ) {
-    (it.asCallbackQueryUpdate() ?.data as O).let(::listOfNotNull)
+    (it.callbackQueryUpdateOrNull() ?.data as O).let(::listOfNotNull)
 }
 
 

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitChatJoinRequest.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asChatJoinRequestUpdate
+import dev.inmo.tgbotapi.extensions.utils.chatJoinRequestUpdateOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.chat.ChatJoinRequest
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -20,7 +20,7 @@ suspend inline fun <reified O> BehaviourContext.internalWaitChatJoinRequests(
     initRequest,
     errorFactory
 ) {
-    (it.asChatJoinRequestUpdate() ?.data as? O).let(::listOfNotNull)
+    (it.chatJoinRequestUpdateOrNull() ?.data as? O).let(::listOfNotNull)
 }
 
 

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitChosenInlineResult.kt

@@ -1,14 +1,12 @@
 package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
-import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
+import dev.inmo.tgbotapi.extensions.utils.chosenInlineResultUpdateOrNull
-import dev.inmo.tgbotapi.extensions.utils.asChosenInlineResultUpdate
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.InlineQueries.ChosenInlineResult.*
 import dev.inmo.tgbotapi.utils.RiskFeature
 import dev.inmo.tgbotapi.utils.lowLevelRiskFeatureMessage
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.toList
 
 typealias ChosenInlineResultMapper<T> = suspend T.() -> T?
 
@@ -20,7 +18,7 @@ suspend inline fun <reified O> BehaviourContext.waitChosenInlineResults(
     initRequest,
     errorFactory
 ) {
-    (it.asChosenInlineResultUpdate() ?.data as? O).let(::listOfNotNull)
+    (it.chosenInlineResultUpdateOrNull() ?.data as? O).let(::listOfNotNull)
 }
 
 suspend fun BehaviourContext.waitChosenInlineResult(

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEditedContent.kt

@@ -4,7 +4,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asCommonMessage
+import dev.inmo.tgbotapi.extensions.utils.commonMessageOrNull
 import dev.inmo.tgbotapi.extensions.utils.withContent
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.message.abstracts.CommonMessage

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEditedContentMessage.kt

@@ -4,7 +4,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asCommonMessage
+import dev.inmo.tgbotapi.extensions.utils.commonMessageOrNull
 import dev.inmo.tgbotapi.extensions.utils.withContent
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.message.abstracts.CommonMessage
@@ -32,7 +32,7 @@ suspend inline fun <reified O : MessageContent> BehaviourContext.waitEditedConte
 ) {
     val messages = when (it) {
         is BaseEditMessageUpdate -> {
-            val commonMessage = it.data.asCommonMessage() ?: return@expectFlow emptyList()
+            val commonMessage = it.data.commonMessageOrNull() ?: return@expectFlow emptyList()
             if (commonMessage !is MediaGroupMessage<*> || includeMediaGroups) {
                 listOf(commonMessage)
             } else {

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventAction.kt

@@ -27,7 +27,7 @@ suspend inline fun <reified O : ChatEvent> BehaviourContext.waitEvents(
     initRequest,
     errorFactory
 ) {
-    it.asBaseSentMessageUpdate() ?.data ?.asChatEventMessage() ?.withEvent<O>() ?.chatEvent.let(::listOfNotNull)
+    it.baseSentMessageUpdateOrNull() ?.data ?.chatEventMessageOrNull() ?.withEvent<O>() ?.chatEvent.let(::listOfNotNull)
 }
 
 suspend fun BehaviourContext.waitChannelEvents(

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitEventActionMessages.kt

@@ -25,7 +25,7 @@ suspend inline fun <reified O : ChatEvent> BehaviourContext.waitEventsMessages(
     initRequest,
     errorFactory
 ) {
-    it.asBaseSentMessageUpdate() ?.data ?.asChatEventMessage() ?.withEvent<O>().let(::listOfNotNull)
+    it.baseSentMessageUpdateOrNull() ?.data ?.chatEventMessageOrNull() ?.withEvent<O>().let(::listOfNotNull)
 }
 
 suspend fun BehaviourContext.waitChannelEventsMessages(

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitInlineQuery.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asInlineQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.inlineQueryUpdateOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.InlineQueries.query.*
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -20,7 +20,7 @@ suspend inline fun <reified O : InlineQuery> BehaviourContext.waitInlineQueries(
     initRequest,
     errorFactory
 ) {
-    (it.asInlineQueryUpdate() ?.data as? O).let(::listOfNotNull)
+    (it.inlineQueryUpdateOrNull() ?.data as? O).let(::listOfNotNull)
 }
 
 suspend fun BehaviourContext.waitAnyInlineQuery(

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitMediaGroup.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asSentMediaGroupUpdate
+import dev.inmo.tgbotapi.extensions.utils.sentMediaGroupUpdateOrNull
 import dev.inmo.tgbotapi.extensions.utils.withContent
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.message.abstracts.MediaGroupMessage

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitMediaGroupMessages.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asSentMediaGroupUpdate
+import dev.inmo.tgbotapi.extensions.utils.sentMediaGroupUpdateOrNull
 import dev.inmo.tgbotapi.extensions.utils.withContent
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.message.abstracts.MediaGroupMessage
@@ -20,7 +20,7 @@ suspend inline fun <reified T : MediaGroupContent> BehaviourContext.buildMediaGr
     initRequest: Request<*>? = null,
     noinline errorFactory: NullableRequestBuilder<*> = { null }
 ): Flow<List<MediaGroupMessage<T>>> = flowsUpdatesFilter.expectFlow(bot, initRequest, errorFactory) { update ->
-    update.asSentMediaGroupUpdate() ?.data ?.let { mediaGroup ->
+    update.sentMediaGroupUpdateOrNull() ?.data ?.let { mediaGroup ->
         val mapped = mediaGroup.mapNotNull { it.withContent<T>() }
         listOf(
             mapped

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitPassportData.kt

@@ -2,8 +2,8 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asMessageUpdate
+import dev.inmo.tgbotapi.extensions.utils.messageUpdateOrNull
-import dev.inmo.tgbotapi.extensions.utils.asPassportMessage
+import dev.inmo.tgbotapi.extensions.utils.passportMessageOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.message.PassportMessage
 import dev.inmo.tgbotapi.types.passport.PassportData
@@ -23,7 +23,7 @@ suspend inline fun <reified O : EncryptedPassportElement> BehaviourContext.waitP
     initRequest,
     errorFactory
 ) {
-    it.asMessageUpdate() ?.data ?.asPassportMessage() ?.passportData ?.data ?.filterIsInstance<O>() ?: emptyList()
+    it.messageUpdateOrNull() ?.data ?.passportMessageOrNull() ?.passportData ?.data ?.filterIsInstance<O>() ?: emptyList()
 }
 
 suspend fun BehaviourContext.waitAnyPassportMessages(

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitPollAnswers.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asPollAnswerUpdate
+import dev.inmo.tgbotapi.extensions.utils.pollAnswerUpdateOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.polls.PollAnswer
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -19,5 +19,5 @@ suspend fun BehaviourContext.waitPollAnswers(
     initRequest,
     errorFactory
 ) {
-    it.asPollAnswerUpdate() ?.data.let(::listOfNotNull)
+    it.pollAnswerUpdateOrNull() ?.data.let(::listOfNotNull)
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitPollUpdates.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asPollUpdate
+import dev.inmo.tgbotapi.extensions.utils.pollUpdateOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.polls.*
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -20,7 +20,7 @@ suspend inline fun <reified O : Poll> BehaviourContext.waitPolls(
     initRequest,
     errorFactory
 ) {
-    (it.asPollUpdate() ?.data as? O).let(::listOfNotNull)
+    (it.pollUpdateOrNull() ?.data as? O).let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitPreCheckoutQuery.kt

@@ -2,7 +2,7 @@ package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
-import dev.inmo.tgbotapi.extensions.utils.asPreCheckoutQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.preCheckoutQueryUpdateOrNull
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.payments.PreCheckoutQuery
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -19,5 +19,5 @@ suspend fun BehaviourContext.waitPreCheckoutQueries(
     initRequest,
     errorFactory
 ) {
-    it.asPreCheckoutQueryUpdate() ?.data.let(::listOfNotNull)
+    it.preCheckoutQueryUpdateOrNull() ?.data.let(::listOfNotNull)
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/expectations/WaitShippingQuery.kt

@@ -1,12 +1,10 @@
 package dev.inmo.tgbotapi.extensions.behaviour_builder.expectations
 
 import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
-import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
+import dev.inmo.tgbotapi.extensions.utils.shippingQueryUpdateOrNull
-import dev.inmo.tgbotapi.extensions.utils.asShippingQueryUpdate
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.payments.ShippingQuery
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.toList
 
 typealias ShippingQueryMapper = suspend ShippingQuery.() -> ShippingQuery?
 
@@ -17,5 +15,5 @@ suspend fun BehaviourContext.waitShippingQueries(
     initRequest,
     errorFactory
 ) {
-    (it.asShippingQueryUpdate() ?.data).let(::listOfNotNull)
+    (it.shippingQueryUpdateOrNull() ?.data).let(::listOfNotNull)
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CallbackQueryTriggers.kt

@@ -9,7 +9,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.CallbackQueryFilte
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByUserCallbackQueryMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asCallbackQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.callbackQueryUpdateOrNull
 import dev.inmo.tgbotapi.types.queries.callback.*
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 import kotlinx.coroutines.Job
@@ -20,7 +20,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : CallbackQuery> B
     markerFactory: MarkerFactory<in T, Any> = ByUserCallbackQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asCallbackQueryUpdate() ?.data as? T) ?.let(::listOfNotNull)
+    (it.callbackQueryUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChatJoinRequestTriggers.kt

@@ -5,7 +5,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.ChatJoinRequestFil
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatChatJoinRequestMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asChatJoinRequestUpdate
+import dev.inmo.tgbotapi.extensions.utils.chatJoinRequestUpdateOrNull
 import dev.inmo.tgbotapi.types.chat.ChatJoinRequest
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -29,5 +29,5 @@ suspend fun <BC : BehaviourContext> BC.onChatJoinRequest(
     markerFactory: MarkerFactory<in ChatJoinRequest, Any> = ByChatChatJoinRequestMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatJoinRequest>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asChatJoinRequestUpdate() ?.data) ?.let(::listOfNotNull)
+    (it.chatJoinRequestUpdateOrNull() ?.data) ?.let(::listOfNotNull)
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ChosenInlineResultTriggers.kt

@@ -6,7 +6,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByUserIdChosenInlineResultMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asChosenInlineResultUpdate
+import dev.inmo.tgbotapi.extensions.utils.chosenInlineResultUpdateOrNull
 import dev.inmo.tgbotapi.types.InlineQueries.ChosenInlineResult.*
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -16,7 +16,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChosenInlineResu
     markerFactory: MarkerFactory<in T, Any> = ByUserIdChosenInlineResultMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asChosenInlineResultUpdate() ?.data as? T) ?.let(::listOfNotNull)
+    (it.chosenInlineResultUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandling.kt

@@ -10,7 +10,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.MessageFilterByCha
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMessageMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times
-import dev.inmo.tgbotapi.extensions.utils.asBotCommandTextSource
+import dev.inmo.tgbotapi.extensions.utils.botCommandTextSourceOrNull
 import dev.inmo.tgbotapi.extensions.utils.extensions.parseCommandsWithParams
 import dev.inmo.tgbotapi.types.message.abstracts.CommonMessage
 import dev.inmo.tgbotapi.types.message.content.TextContent
@@ -35,7 +35,7 @@ internal suspend fun <BC : BehaviourContext> BC.commandUncounted(
             true
         }
         sizeRequirement && textSources.any {
-            commandRegex.matches(it.asBotCommandTextSource() ?.command ?: return@any false)
+            commandRegex.matches(it.botCommandTextSourceOrNull() ?.command ?: return@any false)
         }
     }.let {
         initialFilter ?.times(it) ?: it

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/CommandHandlingUnhandled.kt

@@ -8,7 +8,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.MessageFilterByCha
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMessageMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.times
-import dev.inmo.tgbotapi.extensions.utils.asBotCommandTextSource
+import dev.inmo.tgbotapi.extensions.utils.botCommandTextSourceOrNull
 import dev.inmo.tgbotapi.extensions.utils.extensions.parseCommandsWithParams
 import dev.inmo.tgbotapi.types.message.content.TextContent
 import dev.inmo.tgbotapi.types.message.content.TextMessage
@@ -33,7 +33,7 @@ suspend fun <BC : BehaviourContext> BC.unhandledCommand(
             true
         }
         sizeRequirement && textSources.any {
-            val command = it.asBotCommandTextSource() ?.command ?: return@any false
+            val command = it.botCommandTextSourceOrNull() ?.command ?: return@any false
             !triggersHolder.handleableCommandsHolder.isHandled(command)
         }
     }.let {

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EditedContentTriggers.kt

@@ -20,7 +20,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.CommonMessageFilte
 import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.MessageFilterByChat
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMessageMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asEditMessageUpdate
+import dev.inmo.tgbotapi.extensions.utils.editMessageUpdateOrNull
 import dev.inmo.tgbotapi.extensions.utils.withContent
 import dev.inmo.tgbotapi.types.files.TelegramMediaFile
 import dev.inmo.tgbotapi.types.message.abstracts.CommonMessage
@@ -41,7 +41,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MessageContent>
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, CommonMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     when (it) {
-        is BaseEditMessageUpdate -> (it.asEditMessageUpdate() ?.data ?.withContent<T>())
+        is BaseEditMessageUpdate -> (it.editMessageUpdateOrNull() ?.data ?.withContent<T>())
         else -> null
     } ?.let(::listOfNotNull)
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/EventTriggers.kt

@@ -7,8 +7,8 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.MessageFilterByCha
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMessageMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asBaseSentMessageUpdate
+import dev.inmo.tgbotapi.extensions.utils.baseSentMessageUpdateOrNull
-import dev.inmo.tgbotapi.extensions.utils.asChatEventMessage
+import dev.inmo.tgbotapi.extensions.utils.chatEventMessageOrNull
 import dev.inmo.tgbotapi.types.message.ChatEvents.*
 import dev.inmo.tgbotapi.types.message.ChatEvents.abstracts.*
 import dev.inmo.tgbotapi.types.message.ChatEvents.voice.*
@@ -24,7 +24,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : ChatEvent> BC.on
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ChatEventMessage<T>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
     @Suppress("UNCHECKED_CAST")
-    (it.asBaseSentMessageUpdate() ?.data ?.asChatEventMessage() ?.takeIf { it.chatEvent is T } as? ChatEventMessage<T>) ?.let(::listOfNotNull)
+    (it.baseSentMessageUpdateOrNull() ?.data ?.chatEventMessageOrNull() ?.takeIf { it.chatEvent is T } as? ChatEventMessage<T>) ?.let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/InlineQueryTriggers.kt

@@ -5,7 +5,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.InlineQueryFilterB
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByUserInlineQueryMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asInlineQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.inlineQueryUpdateOrNull
 import dev.inmo.tgbotapi.types.InlineQueries.query.*
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -15,7 +15,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : InlineQuery> BC.
     markerFactory: MarkerFactory<in T, Any> = ByUserInlineQueryMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asInlineQueryUpdate() ?.data as? T) ?.let(::listOfNotNull)
+    (it.inlineQueryUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/MediaGroupTriggers.kt

@@ -7,7 +7,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.MessagesFilterByCh
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMediaGroupMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asSentMediaGroupUpdate
+import dev.inmo.tgbotapi.extensions.utils.sentMediaGroupUpdateOrNull
 import dev.inmo.tgbotapi.types.message.abstracts.MediaGroupMessage
 import dev.inmo.tgbotapi.types.message.content.*
 import dev.inmo.tgbotapi.types.update.abstracts.Update
@@ -20,7 +20,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : MediaGroupConten
     markerFactory: MarkerFactory<in List<MediaGroupMessage<T>>, Any> = ByChatMediaGroupMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, List<MediaGroupMessage<T>>>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asSentMediaGroupUpdate() ?.data ?.takeIf { messages ->
+    (it.sentMediaGroupUpdateOrNull() ?.data ?.takeIf { messages ->
         messages.all { message ->
             message.content is T
         }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PassportTriggers.kt

@@ -5,8 +5,8 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.MessageFilterByCha
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByChatMessageMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asMessageUpdate
+import dev.inmo.tgbotapi.extensions.utils.messageUpdateOrNull
-import dev.inmo.tgbotapi.extensions.utils.asPassportMessage
+import dev.inmo.tgbotapi.extensions.utils.passportMessageOrNull
 import dev.inmo.tgbotapi.types.message.PassportMessage
 import dev.inmo.tgbotapi.types.passport.encrypted.abstracts.EncryptedPassportElement
 import dev.inmo.tgbotapi.types.update.abstracts.Update
@@ -17,7 +17,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : EncryptedPasspor
     markerFactory: MarkerFactory<in PassportMessage, Any> = ByChatMessageMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PassportMessage>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asMessageUpdate() ?.data ?.asPassportMessage() ?.takeIf { it.passportData.data.any { it is T } }) ?.let(::listOfNotNull)
+    (it.messageUpdateOrNull() ?.data ?.passportMessageOrNull() ?.takeIf { it.passportData.data.any { it is T } }) ?.let(::listOfNotNull)
 }
 
 

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollAnswersTriggers.kt

@@ -6,7 +6,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByIdPollAnswerMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asPollAnswerUpdate
+import dev.inmo.tgbotapi.extensions.utils.pollAnswerUpdateOrNull
 import dev.inmo.tgbotapi.types.polls.PollAnswer
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -16,7 +16,7 @@ internal suspend inline fun <BC : BehaviourContext> BC.onPollAnswered(
     markerFactory: MarkerFactory<in PollAnswer, Any> = ByIdPollAnswerMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PollAnswer>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asPollAnswerUpdate() ?.data) ?.let(::listOfNotNull)
+    (it.pollAnswerUpdateOrNull() ?.data) ?.let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PollUpdatesTriggers.kt

@@ -6,7 +6,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.*
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByIdPollMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asPollUpdate
+import dev.inmo.tgbotapi.extensions.utils.pollUpdateOrNull
 import dev.inmo.tgbotapi.types.polls.*
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -16,7 +16,7 @@ internal suspend inline fun <BC : BehaviourContext, reified T : Poll> BC.onPollU
     markerFactory: MarkerFactory<in T, Any> = ByIdPollMarkerFactory,
     noinline scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, T>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asPollUpdate() ?.data as? T) ?.let(::listOfNotNull)
+    (it.pollUpdateOrNull() ?.data as? T) ?.let(::listOfNotNull)
 }
 
 /**

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/PreCheckoutQueryTriggers.kt

@@ -5,7 +5,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.PreCheckoutQueryFi
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByUserPreCheckoutQueryMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asPreCheckoutQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.preCheckoutQueryUpdateOrNull
 import dev.inmo.tgbotapi.types.payments.PreCheckoutQuery
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -31,5 +31,5 @@ suspend fun <BC : BehaviourContext> BC.onPreCheckoutQuery(
     markerFactory: MarkerFactory<in PreCheckoutQuery, Any> = ByUserPreCheckoutQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, PreCheckoutQuery>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asPreCheckoutQueryUpdate() ?.data) ?.let(::listOfNotNull)
+    (it.preCheckoutQueryUpdateOrNull() ?.data) ?.let(::listOfNotNull)
 }

tgbotapi.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/triggers_handling/ShippingQueryTriggers.kt

@@ -5,7 +5,7 @@ import dev.inmo.tgbotapi.extensions.behaviour_builder.filters.ShippingQueryFilte
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.SimpleFilter
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.ByUserShippingQueryMarkerFactory
 import dev.inmo.tgbotapi.extensions.behaviour_builder.utils.marker_factories.MarkerFactory
-import dev.inmo.tgbotapi.extensions.utils.asShippingQueryUpdate
+import dev.inmo.tgbotapi.extensions.utils.shippingQueryUpdateOrNull
 import dev.inmo.tgbotapi.types.payments.ShippingQuery
 import dev.inmo.tgbotapi.types.update.abstracts.Update
 
@@ -31,5 +31,5 @@ suspend fun <BC : BehaviourContext> BC.onShippingQuery(
     markerFactory: MarkerFactory<in ShippingQuery, Any> = ByUserShippingQueryMarkerFactory,
     scenarioReceiver: CustomBehaviourContextAndTypeReceiver<BC, Unit, ShippingQuery>
 ) = on(markerFactory, initialFilter, subcontextUpdatesFilter, scenarioReceiver) {
-    (it.asShippingQueryUpdate() ?.data) ?.let(::listOfNotNull)
+    (it.shippingQueryUpdateOrNull() ?.data) ?.let(::listOfNotNull)
 }

tgbotapi.core/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id "org.jetbrains.kotlin.multiplatform"
     id "org.jetbrains.kotlin.plugin.serialization"
+    id "com.google.devtools.ksp"
 }
 
 project.description = "Core part of tgbotapi with all (and only) required functionality for working with Telegram Bot API"
@@ -28,6 +29,8 @@ kotlin {
                 api libs.microutils.languageCodes
 
                 api libs.ktor.client.core
+
+                api project(":tgbotapi.ksp:lib")
             }
         }
         commonTest {
@@ -46,12 +49,15 @@ kotlin {
             }
         }
     }
-
+}
-//    targets.all {
+
-//        compilations.all {
+dependencies {
-//            kotlinOptions {
+    add("kspCommonMainMetadata", project(":tgbotapi.ksp:processor"))
-//                freeCompilerArgs += ["-Xuse-experimental=kotlinx.coroutines.ExperimentalCoroutinesApi", "-Xopt-in=kotlin.RequiresOptIn"]
+    add("kspJvm", project(":tgbotapi.ksp:processor"))
-//            }
+}
-//        }
+
-//    }
+ksp {
+    arg("cctargetPackage", "dev.inmo.tgbotapi.extensions.utils")
+    arg("ccoutputFileName", "NewClassCasts")
+    arg("ccoutputFolder", project(":tgbotapi.utils").file("src/commonMain/kotlin").absolutePath)
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/abstracts/CommonSendInvoiceData.kt

@@ -1,8 +1,10 @@
 package dev.inmo.tgbotapi.abstracts
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.payments.abstracts.Currencied
 import dev.inmo.tgbotapi.types.payments.abstracts.Priced
 
+@ClassCastsIncluded
 interface CommonSendInvoiceData : Titled, Currencied, Priced {
     val description: String
     val payload: String

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/abstracts/WithUser.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.abstracts
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.chat.User
 
 /**
@@ -7,6 +8,7 @@ import dev.inmo.tgbotapi.types.chat.User
  *
  * @see FromUser
  */
+@ClassCastsIncluded
 interface WithUser {
     val user: User
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InlineQueries/InlineQueryResult/abstracts/InlineQueryResult.kt

@@ -1,13 +1,15 @@
 package dev.inmo.tgbotapi.types.InlineQueries.InlineQueryResult.abstracts
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.InlineQueries.InlineQueryResult.serializers.InlineQueryResultSerializer
 import dev.inmo.tgbotapi.types.InlineQueryIdentifier
 import dev.inmo.tgbotapi.types.buttons.InlineKeyboardMarkup
 import kotlinx.serialization.Serializable
 
 @Serializable(InlineQueryResultSerializer::class)
+@ClassCastsIncluded
 interface InlineQueryResult {
     val type: String
     val id: InlineQueryIdentifier
     val replyMarkup: InlineKeyboardMarkup?
-}
+}

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/InlineQueries/InputMessageContent/InputMessageContent.kt

@@ -1,7 +1,9 @@
 package dev.inmo.tgbotapi.types.InlineQueries.InputMessageContent
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.InlineQueries.InputMessageContentSerializer
 import kotlinx.serialization.Serializable
 
 @Serializable(InputMessageContentSerializer::class)
+@ClassCastsIncluded
 sealed interface InputMessageContent

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/actions/BotAction.kt

@@ -1,6 +1,7 @@
 package dev.inmo.tgbotapi.types.actions
 
 import dev.inmo.micro_utils.common.Warning
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.utils.RiskFeature
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Serializable
@@ -13,6 +14,7 @@ import kotlinx.serialization.encoding.Encoder
  * Use BotAction objects realisations to notify user about bot actions
  */
 @Serializable(BotActionSerializer::class)
+@ClassCastsIncluded
 sealed interface BotAction {
     val actionName: String
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/buttons/InlineKeyboardButtons/InlineKeyboardButton.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.types.buttons.InlineKeyboardButtons
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.games.CallbackGame
 import dev.inmo.tgbotapi.types.webapps.WebAppInfo
@@ -11,6 +12,7 @@ import kotlinx.serialization.json.*
  * https://core.telegram.org/bots/api#inlinekeyboardbutton for more info
  */
 @Serializable(InlineKeyboardButtonSerializer::class)
+@ClassCastsIncluded
 sealed interface InlineKeyboardButton {
     val text: String
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/buttons/KeyboardMarkup.kt

@@ -1,6 +1,8 @@
 package dev.inmo.tgbotapi.types.buttons
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import kotlinx.serialization.Serializable
 
 @Serializable(KeyboardMarkupSerializer::class)
+@ClassCastsIncluded
 sealed interface KeyboardMarkup

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/chat/Abstracts.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.types.chat
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import kotlinx.serialization.Serializable
 
@@ -43,6 +44,7 @@ sealed interface AbleToAddInAttachmentMenuChat : Chat {
 }
 
 @Serializable(PreviewChatSerializer::class)
+@ClassCastsIncluded
 sealed interface Chat {
     val id: ChatId
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/dice/DiceAnimationType.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.types.dice
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.utils.RiskFeature
 import kotlinx.serialization.KSerializer
@@ -9,6 +10,7 @@ import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 
 @Serializable(DiceAnimationTypeSerializer::class)
+@ClassCastsIncluded
 sealed interface DiceAnimationType {
     val emoji: String
     val valueLimits: IntRange

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/files/TelegramMediaFile.kt

@@ -1,11 +1,13 @@
 package dev.inmo.tgbotapi.types.files
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.requests.abstracts.FileId
 import dev.inmo.tgbotapi.types.FileUniqueId
 
 /**
  * Declare common part of media files in Telegram. Note: it is not representation of JVM `File` type
  */
+@ClassCastsIncluded
 sealed interface TelegramMediaFile {
     val fileId: FileId
     val fileUniqueId: FileUniqueId

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/location/Location.kt

@@ -1,6 +1,7 @@
 package dev.inmo.tgbotapi.types.location
 
 import dev.inmo.tgbotapi.abstracts.*
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.utils.nonstrictJsonFormat
 import kotlinx.serialization.*
@@ -18,6 +19,7 @@ import kotlinx.serialization.json.JsonObject
  * @see dev.inmo.tgbotapi.extensions.utils.asLiveLocation
  */
 @Serializable(LocationSerializer::class)
+@ClassCastsIncluded
 sealed interface Location : Locationed, HorizontallyAccured
 
 @Serializable

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/media/TelegramMedia.kt

@@ -1,9 +1,11 @@
 package dev.inmo.tgbotapi.types.media
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.requests.abstracts.InputFile
 import kotlinx.serialization.Serializable
 
 @Serializable(TelegramMediaSerializer::class)
+@ClassCastsIncluded
 sealed interface TelegramMedia {
     val type: String
     val file: InputFile

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/LeftChatMember.kt

@@ -4,6 +4,9 @@ import dev.inmo.tgbotapi.abstracts.WithUser
 import dev.inmo.tgbotapi.types.chat.User
 import dev.inmo.tgbotapi.types.message.ChatEvents.abstracts.PublicChatEvent
 
-data class LeftChatMember(
+data class LeftChatMemberEvent(
     override val user: User
 ) : PublicChatEvent, WithUser
+
+@Deprecated("Renamed", ReplaceWith("dev.inmo.tgbotapi.types.message.ChatEvents", "LeftChatMemberEvent"))
+typealias LeftChatMember = LeftChatMemberEvent

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ChatEvents/abstracts/ChatEvent.kt

@@ -1,3 +1,6 @@
 package dev.inmo.tgbotapi.types.message.ChatEvents.abstracts
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
+
+@ClassCastsIncluded
 interface ChatEvent

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/ForwardInfo.kt

@@ -1,10 +1,12 @@
 package dev.inmo.tgbotapi.types.message
 
 import dev.inmo.tgbotapi.abstracts.FromUser
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.chat.*
 import dev.inmo.tgbotapi.types.chat.User
 
+@ClassCastsIncluded
 sealed interface ForwardInfo {
     abstract val dateOfOriginal: TelegramDate
 

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/abstracts/Message.kt

@@ -1,6 +1,7 @@
 package dev.inmo.tgbotapi.types.message.abstracts
 
 import com.soywiz.klock.DateTime
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.MessageIdentifier
 import dev.inmo.tgbotapi.types.chat.Chat
 import dev.inmo.tgbotapi.types.message.RawMessage
@@ -9,6 +10,7 @@ import kotlinx.serialization.descriptors.*
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 
+@ClassCastsIncluded
 interface Message {
     val messageId: MessageIdentifier
     val chat: Chat

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/content/Abstracts.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.types.message.content
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.requests.abstracts.Request
 import dev.inmo.tgbotapi.types.ChatIdentifier
 import dev.inmo.tgbotapi.types.MessageIdentifier
@@ -108,6 +109,7 @@ sealed interface MediaContent: MessageContent {
     fun asTelegramMedia(): TelegramMedia
 }
 
+@ClassCastsIncluded
 sealed interface ResendableContent {
     fun createResend(
         chatId: ChatIdentifier,

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/message/textsources/TextSource.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.types.message.textsources
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.captionLength
 import dev.inmo.tgbotapi.types.textLength
 import kotlinx.serialization.Serializable
@@ -10,6 +11,7 @@ typealias TextSourcesList = List<TextSource>
 typealias MutableTextSourcesList = MutableList<TextSource>
 
 @Serializable(TextSourceSerializer::class)
+@ClassCastsIncluded
 sealed interface TextSource {
     val markdown: String
     val markdownV2: String

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/PassportElementError.kt

@@ -5,6 +5,7 @@ package dev.inmo.tgbotapi.types.passport
 import dev.inmo.micro_utils.crypto.MD5
 import dev.inmo.micro_utils.crypto.md5
 import dev.inmo.micro_utils.serialization.base64.Base64BytesToFromStringSerializer
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.passport.encrypted.abstracts.*
 import dev.inmo.tgbotapi.types.passport.encrypted.type
@@ -18,6 +19,7 @@ import kotlinx.serialization.json.*
 val ByteArray.passportFileHash: MD5
     get() = md5()
 
+@ClassCastsIncluded
 @Serializable(PassportElementErrorSerializer::class)
 sealed class PassportElementError {
     abstract val source: String

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/decrypted/abstracts/SecureValue.kt

@@ -1,7 +1,9 @@
 package dev.inmo.tgbotapi.types.passport.decrypted.abstracts
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.passport.credentials.EndDataCredentials
 
+@ClassCastsIncluded
 interface SecureValue {
     val credentials: List<EndDataCredentials>
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/passport/encrypted/abstracts/EncryptedPassportElement.kt

@@ -2,6 +2,7 @@ package dev.inmo.tgbotapi.types.passport.encrypted.abstracts
 
 import dev.inmo.micro_utils.crypto.SourceBytes
 import dev.inmo.micro_utils.serialization.base64.Base64BytesToFromStringSerializer
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.passport.encrypted.EncryptedElementSerializer
 import kotlinx.serialization.Serializable
 import kotlinx.serialization.json.JsonObject
@@ -9,6 +10,7 @@ import kotlinx.serialization.json.JsonObject
 typealias PassportElementHash = SourceBytes
 
 @Serializable(EncryptedElementSerializer::class)
+@ClassCastsIncluded
 interface EncryptedPassportElement {
     val hash: PassportElementHash
 }

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/polls/Poll.kt

@@ -3,6 +3,7 @@ package dev.inmo.tgbotapi.types.polls
 import com.soywiz.klock.DateTime
 import com.soywiz.klock.TimeSpan
 import dev.inmo.tgbotapi.abstracts.TextedInput
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.message.*
 import dev.inmo.tgbotapi.types.message.RawMessageEntity
@@ -16,6 +17,7 @@ import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 import kotlinx.serialization.json.*
 
+@ClassCastsIncluded
 sealed interface ScheduledCloseInfo {
     val closeDateTime: DateTime
 }
@@ -45,6 +47,7 @@ val LongSeconds.asExactScheduledCloseInfo
     )
 
 @Serializable(PollSerializer::class)
+@ClassCastsIncluded
 sealed interface Poll {
     val id: PollIdentifier
     val question: String

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/update/abstracts/Update.kt

@@ -1,5 +1,6 @@
 package dev.inmo.tgbotapi.types.update.abstracts
 
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
 import dev.inmo.tgbotapi.types.UpdateIdentifier
 import dev.inmo.tgbotapi.types.update.RawUpdate
 import dev.inmo.tgbotapi.utils.RiskFeature
@@ -10,6 +11,7 @@ import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 import kotlinx.serialization.json.JsonElement
 
+@ClassCastsIncluded
 interface Update {
     val updateId: UpdateIdentifier
     val data: Any

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/utils/internal/ClassCastsIncluded.kt

@@ -0,0 +1,3 @@
+package dev.inmo.tgbotapi.utils.internal
+
+import dev.inmo.tgbotapi.utils.RiskFeature

tgbotapi.ksp/lib/build.gradle

@@ -0,0 +1,8 @@
+plugins {
+    id "org.jetbrains.kotlin.multiplatform"
+}
+
+project.description = "Class Casts generator KSP library to include into your library"
+
+apply from: "$mppProjectWithSerializationPresetPath"
+apply from: "$publishGradlePath"

tgbotapi.ksp/lib/src/commonMain/kotlin/ClassCastsIncluded.kt

@@ -0,0 +1,5 @@
+package dev.inmo.tgbotapi.ksp.lib
+
+@Target(AnnotationTarget.CLASS)
+@Retention(AnnotationRetention.SOURCE)
+annotation class ClassCastsIncluded

tgbotapi.ksp/processor/build.gradle

@@ -0,0 +1,13 @@
+plugins {
+    id "org.jetbrains.kotlin.jvm"
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation libs.kotlin.poet
+    implementation libs.ksp
+    implementation project(":tgbotapi.ksp:lib")
+}

tgbotapi.ksp/processor/src/main/kotlin/ClassCastsFiller.kt

@@ -0,0 +1,103 @@
+package dev.inmo.tgbotapi.ksp.processor
+
+import com.google.devtools.ksp.symbol.*
+import com.squareup.kotlinpoet.*
+import com.squareup.kotlinpoet.ParameterizedTypeName.Companion.parameterizedBy
+import com.squareup.kotlinpoet.ksp.*
+
+private fun FileSpec.Builder.addTopLevelImport(className: ClassName) {
+    className.topLevelClassName().let {
+        addImport(it.packageName, it.simpleNames)
+    }
+}
+
+private fun FileSpec.Builder.createTypeDefinition(ksClassDeclaration: KSClassDeclaration): TypeName {
+    val className = ksClassDeclaration.toClassName()
+    return if (ksClassDeclaration.typeParameters.isNotEmpty()) {
+        className.parameterizedBy(
+            ksClassDeclaration.typeParameters.map {
+                it.bounds.first().resolve().also {
+                    val typeClassName = it.toClassName()
+                    addTopLevelImport(typeClassName)
+                }.toTypeName()
+            }
+        )
+    } else {
+        className
+    }
+}
+
+fun FileSpec.Builder.fill(
+    sourceKSClassDeclaration: KSClassDeclaration,
+    subtypesMap: Map<KSClassDeclaration, Set<KSClassDeclaration>>,
+    targetClassDeclaration: KSClassDeclaration = sourceKSClassDeclaration
+) {
+    if (sourceKSClassDeclaration == targetClassDeclaration) {
+        subtypesMap[sourceKSClassDeclaration] ?.forEach {
+            fill(sourceKSClassDeclaration, subtypesMap, it)
+        }
+    } else {
+        val sourceClassName = sourceKSClassDeclaration.toClassName()
+        val targetClassClassName = targetClassDeclaration.toClassName()
+        val targetClassTypeDefinition = createTypeDefinition(targetClassDeclaration)
+        val simpleName = targetClassDeclaration.simpleName.asString()
+        val withFirstLowerCase = simpleName.replaceFirstChar { it.lowercase() }
+        val castedOrNullName = "${withFirstLowerCase}OrNull"
+
+        addTopLevelImport(targetClassClassName)
+        addFunction(
+            FunSpec.builder(castedOrNullName).apply {
+                receiver(sourceClassName)
+                addCode(
+                    "return this as? %L",
+                    targetClassTypeDefinition
+                )
+                returns(targetClassTypeDefinition.copy(nullable = true))
+                addModifiers(KModifier.INLINE)
+            }.build()
+        )
+        addFunction(
+            FunSpec.builder("${withFirstLowerCase}OrThrow").apply {
+                receiver(sourceClassName)
+                addCode(
+                    "return this as %L",
+                    targetClassTypeDefinition
+                )
+                returns(targetClassTypeDefinition)
+                addModifiers(KModifier.INLINE)
+            }.build()
+        )
+        addFunction(
+            FunSpec.builder("if$simpleName").apply {
+                val genericType = TypeVariableName("T", null)
+                addTypeVariable(genericType)
+                receiver(sourceClassName)
+                addParameter(
+                    "block",
+                    LambdaTypeName.get(
+                        null,
+                        targetClassTypeDefinition,
+                        returnType = genericType
+                    )
+                )
+                addCode(
+                    "return ${castedOrNullName}() ?.let(block)",
+                    targetClassTypeDefinition
+                )
+                returns(genericType.copy(nullable = true))
+                addModifiers(KModifier.INLINE)
+            }.build()
+        )
+
+        subtypesMap[targetClassDeclaration] ?.let {
+            if (it.count { it.classKind == ClassKind.CLASS } > 1) {
+                it
+            } else {
+                it.filter { it.classKind != ClassKind.CLASS }
+            }
+        } ?.forEach {
+            fill(sourceKSClassDeclaration, subtypesMap, it)
+            fill(targetClassDeclaration, subtypesMap, it)
+        }
+    }
+}

tgbotapi.ksp/processor/src/main/kotlin/TelegramBotAPISymbolProcessor.kt

@@ -0,0 +1,65 @@
+package dev.inmo.tgbotapi.ksp.processor
+
+import com.google.devtools.ksp.getAllSuperTypes
+import com.google.devtools.ksp.processing.*
+import com.google.devtools.ksp.symbol.KSAnnotated
+import com.google.devtools.ksp.symbol.KSClassDeclaration
+import com.squareup.kotlinpoet.FileSpec
+import com.squareup.kotlinpoet.ksp.writeTo
+import dev.inmo.tgbotapi.ksp.lib.ClassCastsIncluded
+import java.io.File
+
+class TelegramBotAPISymbolProcessor(
+    private val codeGenerator: CodeGenerator,
+    private val targetPackage: String = "",
+    private val outputFile: String = "Output",
+    private val outputFolder: String? = null
+) : SymbolProcessor {
+    override fun process(resolver: Resolver): List<KSAnnotated> {
+        val classes = resolver.getSymbolsWithAnnotation(ClassCastsIncluded::class.qualifiedName!!).filterIsInstance<KSClassDeclaration>()
+        val classesSubtypes = mutableMapOf<KSClassDeclaration, MutableSet<KSClassDeclaration>>()
+
+        resolver.getAllFiles().forEach {
+            it.declarations.forEach { potentialSubtype ->
+                if (potentialSubtype is KSClassDeclaration) {
+                    val allSupertypes = potentialSubtype.getAllSuperTypes().map { it.declaration }
+                    classes.forEach {
+                        if (it in allSupertypes) {
+                            classesSubtypes.getOrPut(it) { mutableSetOf() }.add(potentialSubtype)
+                        }
+                    }
+                }
+            }
+        }
+        fun fillWithSealeds(source: KSClassDeclaration, current: KSClassDeclaration = source) {
+            current.getSealedSubclasses().forEach {
+                classesSubtypes.getOrPut(source) { mutableSetOf() }.add(it)
+                fillWithSealeds(source, it)
+            }
+        }
+        classes.forEach { fillWithSealeds(it) }
+
+        val fileSpec = FileSpec.builder(
+            targetPackage,
+            outputFile
+        ).apply {
+            classes.forEach {
+                fill(
+                    it,
+                    classesSubtypes.toMap()
+                )
+            }
+        }.build()
+        runCatching {
+            outputFolder ?.also {
+                File(it).apply {
+                    delete()
+                    runCatching { mkdirs() }
+                    fileSpec.writeTo(this)
+                }
+            } ?: fileSpec.writeTo(codeGenerator, false)
+        }
+
+        return emptyList()
+    }
+}

tgbotapi.ksp/processor/src/main/kotlin/TelegramBotAPISymbolProcessorProvider.kt

@@ -0,0 +1,14 @@
+package dev.inmo.tgbotapi.ksp.processor
+
+import com.google.devtools.ksp.processing.*
+
+class TelegramBotAPISymbolProcessorProvider : SymbolProcessorProvider {
+    override fun create(environment: SymbolProcessorEnvironment): SymbolProcessor {
+        return TelegramBotAPISymbolProcessor(
+            environment.codeGenerator,
+            environment.options["cctargetPackage"] ?: "",
+            environment.options["ccoutputFileName"] ?: "Output",
+            environment.options["ccoutputFolder"],
+        )
+    }
+}

tgbotapi.ksp/processor/src/main/resources/META-INF/services/com.google.devtools.ksp.processing.SymbolProcessorProvider

@@ -0,0 +1 @@
+dev.inmo.tgbotapi.ksp.processor.TelegramBotAPISymbolProcessorProvider