add checks of save button and other fixes

WebApp/src/commonMain/kotlin/PreparedSampleData.kt

@@ -0,0 +1,6 @@
+import dev.inmo.tgbotapi.types.buttons.PreparedKeyboardButtonId
+import dev.inmo.tgbotapi.types.request.RequestId
+import kotlin.random.Random
+import kotlin.random.nextUInt
+
+val preparedSampleKeyboardRequestId = RequestId(Random.nextUInt().toUShort())

WebApp/src/jsMain/kotlin/main.kt

@@ -1,6 +1,7 @@
 import androidx.compose.runtime.*
 import dev.inmo.micro_utils.coroutines.launchLoggingDropExceptions
 import dev.inmo.tgbotapi.types.CustomEmojiId
+import dev.inmo.tgbotapi.types.buttons.PreparedKeyboardButtonId
 import dev.inmo.tgbotapi.types.userIdField
 import dev.inmo.tgbotapi.types.webAppQueryIdField
 import dev.inmo.tgbotapi.webapps.*
@@ -17,6 +18,7 @@ import io.ktor.client.request.*
 import io.ktor.client.statement.bodyAsText
 import io.ktor.http.*
 import io.ktor.http.content.TextContent
+import kotlinx.browser.document
 import kotlinx.browser.window
 import kotlinx.coroutines.*
 import kotlinx.dom.appendElement
@@ -65,7 +67,12 @@ fun main() {
         }
         val scope = rememberCoroutineScope()
         val isSafeState = remember { mutableStateOf<Boolean?>(null) }
-        val logsState = remember { mutableStateListOf<Any?>() }
+        val logsState = remember {
+            mutableStateListOf<Any?>(
+                window.location.href,
+            )
+        }
+        val buttonIdState = remember { mutableStateOf<PreparedKeyboardButtonId?>(null) }
 
 //        Text(window.location.href)
 //        P()
@@ -94,6 +101,30 @@ fun main() {
             )
         }
 
+        LaunchedEffect(baseUrl) {
+            val response = client.post("$baseUrl/getPreparedKeyboardButtonId") {
+                setBody(
+                    Json.encodeToString(
+                        WebAppDataWrapper.serializer(),
+                        WebAppDataWrapper(webApp.initData, webApp.initDataUnsafe.hash)
+                    )
+                )
+                parameter(userIdField, webApp.initDataUnsafe.user ?.id ?.long ?: return@LaunchedEffect)
+            }
+            when (response.status) {
+                HttpStatusCode.OK -> {
+                    val buttonId = response.bodyAsText()
+                    buttonIdState.value = PreparedKeyboardButtonId(buttonId)
+                }
+                HttpStatusCode.NoContent -> {
+                    buttonIdState.value = null
+                }
+                else -> {
+                    logsState.add("Error while getting prepared keyboard button id: ${response.status}")
+                }
+            }
+        }
+
         Text(
             when (isSafeState.value) {
                 null -> "Checking safe state..."
@@ -249,6 +280,23 @@ fun main() {
             Text("Confirm")
         }
 
+        P()
+        H3 { Text("Prepared keyboard button") }
+        val buttonIdValue = buttonIdState.value
+        if (buttonIdValue == null) {
+            Text("Ensure that you have called /prepareKeyboard in bot. If you did it, check logs of server")
+        } else {
+            Button({
+                onClick {
+                    webApp.requestChat(buttonIdValue) {
+                        logsState.add("Chat have been received: $it")
+                    }
+                }
+            }) {
+                Text("Prepared keyboard button")
+            }
+        }
+
         P()
         H3 { Text("Write access callbacks") }
         Button({
@@ -396,11 +444,15 @@ fun main() {
                 }
                 mainButton.apply {
                     setText("Main button")
-                    setParams(
-                        BottomButtonParams(
-                            iconCustomEmojiId = CustomEmojiId("5370976574969486150") // 😏
+                    runCatching {
+                        setParams(
+                            BottomButtonParams(
+                                iconCustomEmojiId = CustomEmojiId("5370976574969486150") // 😏
+                            )
                         )
-                    )
+                    }.onFailure {
+                        logsState.add("Can't set params for main button: $it")
+                    }
                     onClick {
                         logsState.add("Main button clicked")
                         hapticFeedback.notificationOccurred(
@@ -411,11 +463,15 @@ fun main() {
                 }
                 secondaryButton.apply {
                     setText("Secondary button")
-                    setParams(
-                        BottomButtonParams(
-                            iconCustomEmojiId = CustomEmojiId("5370763368497944736") // 😒
+                    runCatching {
+                        setParams(
+                            BottomButtonParams(
+                                iconCustomEmojiId = CustomEmojiId("5370763368497944736") // 😒
+                            )
                         )
-                    )
+                    }.onFailure {
+                        logsState.add("Can't set params for secondary button: $it")
+                    }
                     onClick {
                         logsState.add("Secondary button clicked")
                         hapticFeedback.notificationOccurred(

WebApp/src/jvmMain/kotlin/WebAppServer.kt

@@ -5,6 +5,7 @@ import dev.inmo.micro_utils.ktor.server.createKtorServer
 import dev.inmo.tgbotapi.extensions.api.answers.answerInlineQuery
 import dev.inmo.tgbotapi.extensions.api.bot.getMe
 import dev.inmo.tgbotapi.extensions.api.bot.setMyCommands
+import dev.inmo.tgbotapi.extensions.api.savePreparedKeyboardButton
 import dev.inmo.tgbotapi.extensions.api.send.reply
 import dev.inmo.tgbotapi.extensions.api.send.send
 import dev.inmo.tgbotapi.extensions.api.set.setUserEmojiStatus
@@ -21,6 +22,10 @@ import dev.inmo.tgbotapi.requests.answers.InlineQueryResultsButton
 import dev.inmo.tgbotapi.types.*
 import dev.inmo.tgbotapi.types.InlineQueries.InlineQueryResult.InlineQueryResultArticle
 import dev.inmo.tgbotapi.types.InlineQueries.InputMessageContent.InputTextMessageContent
+import dev.inmo.tgbotapi.types.buttons.KeyboardButtonRequestManagedBot
+import dev.inmo.tgbotapi.types.buttons.PreparedKeyboardButton
+import dev.inmo.tgbotapi.types.buttons.PreparedKeyboardButtonId
+import dev.inmo.tgbotapi.types.buttons.reply.requestManagedBotReplyButton
 import dev.inmo.tgbotapi.types.webapps.WebAppInfo
 import dev.inmo.tgbotapi.utils.*
 import io.ktor.http.*
@@ -59,6 +64,7 @@ suspend fun main(vararg args: String) {
     val initiationLogger = KSLog("Initialization")
 
     val bot = telegramBot(telegramBotAPIUrlsKeeper)
+    val usersToButtonsMap = mutableMapOf<UserId, PreparedKeyboardButtonId>()
     createKtorServer(
         "0.0.0.0",
         args.getOrNull(2) ?.toIntOrNull() ?: 8080
@@ -123,6 +129,24 @@ suspend fun main(vararg args: String) {
 
                 call.respond(HttpStatusCode.OK, set.toString())
             }
+            post("getPreparedKeyboardButtonId") {
+                val requestBody = call.receiveText()
+                val webAppCheckData = Json.decodeFromString(WebAppDataWrapper.serializer(), requestBody)
+
+                val isSafe = telegramBotAPIUrlsKeeper.checkWebAppData(webAppCheckData.data, webAppCheckData.hash)
+                val rawUserId = call.parameters[userIdField] ?.toLongOrNull() ?.let(::RawChatId) ?: error("$userIdField should be presented as long value")
+
+                if (isSafe) {
+                    val buttonId = usersToButtonsMap[UserId(rawUserId)]
+                    if (buttonId == null) {
+                        call.respond(HttpStatusCode.NoContent)
+                    } else {
+                        call.respond(HttpStatusCode.OK, buttonId.string)
+                    }
+                } else {
+                    call.respond(HttpStatusCode.Forbidden)
+                }
+            }
         }
     }.start(false)
 
@@ -171,6 +195,20 @@ suspend fun main(vararg args: String) {
                 )
             )
         }
+        onCommand("prepareKeyboard") {
+            val preparedKeyboardButton = savePreparedKeyboardButton(
+                userId = it.chat.id.toChatId(),
+                button = requestManagedBotReplyButton(
+                    text = "Saved sample button",
+                    requestManagedBot = KeyboardButtonRequestManagedBot(
+                        requestId = preparedSampleKeyboardRequestId,
+                        suggestedName = "Saved sample button bot",
+                        suggestedUsername = Username.prepare("saved_sample_button_bot")
+                    )
+                )
+            )
+            usersToButtonsMap[it.chat.id.toChatId()] = preparedKeyboardButton.id
+        }
         onBaseInlineQuery {
             answerInlineQuery(
                 it,