Upload index.html on app startup

src/main/kotlin/com/pischule/memestv/bot/handler/ThisCommandHandlerService.kt

@@ -4,7 +4,7 @@ import com.github.kotlintelegrambot.dispatcher.handlers.MessageHandlerEnvironmen
 import com.github.kotlintelegrambot.entities.ChatId
 import com.github.kotlintelegrambot.entities.reaction.ReactionType
 import com.pischule.memestv.bot.BotProps
-import com.pischule.memestv.s3.FileUploaderService
+import com.pischule.memestv.upload.FileUploaderService
 import com.pischule.memestv.util.getMaxResPhotoId
 import io.github.oshai.kotlinlogging.KotlinLogging
 import io.github.oshai.kotlinlogging.withLoggingContext
@@ -28,8 +28,7 @@ class ThisCommandHandlerService(
             val fileBytes = env.bot.downloadFileBytes(maxResPhotoId) ?: return
             logger.info { "Downloaded a file from Telegram" }
 
-            fileUploaderService.uploadFile(fileBytes)
-            logger.info { "Uploaded a file to S3" }
+            fileUploaderService.uploadFile(fileBytes, "_.jpeg")
 
             reactToMessage(env, "👍")
         }

src/main/kotlin/com/pischule/memestv/s3/FileUploaderService.kt

@@ -1,20 +0,0 @@
-package com.pischule.memestv.s3
-
-import aws.sdk.kotlin.services.s3.S3Client
-import aws.sdk.kotlin.services.s3.model.PutObjectRequest
-import aws.smithy.kotlin.runtime.content.ByteStream
-import org.springframework.stereotype.Service
-
-@Service
-class FileUploaderService(private val s3Client: S3Client, private val s3Props: S3Props) {
-
-    suspend fun uploadFile(fileBytes: ByteArray) {
-        s3Client.putObject(
-            PutObjectRequest {
-                body = ByteStream.fromBytes(fileBytes)
-                bucket = s3Props.bucket
-                key = "_.jpeg"
-            }
-        )
-    }
-}

src/main/kotlin/com/pischule/memestv/upload/DummyFileUploadService.kt

@@ -0,0 +1,16 @@
+package com.pischule.memestv.upload
+
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.context.annotation.Profile
+import org.springframework.stereotype.Service
+
+private val logger = KotlinLogging.logger {}
+
+@Profile("local")
+@Service
+class DummyFileUploadService() : FileUploaderService {
+
+    override suspend fun uploadFile(fileBytes: ByteArray, filename: String) {
+        logger.info { "File $filename has been successfully uploaded to nowhere" }
+    }
+}

src/main/kotlin/com/pischule/memestv/upload/FileUploaderService.kt

@@ -0,0 +1,8 @@
+package com.pischule.memestv.upload
+
+import org.springframework.stereotype.Service
+
+@Service
+interface FileUploaderService {
+    suspend fun uploadFile(fileBytes: ByteArray, filename: String)
+}

src/main/kotlin/com/pischule/memestv/upload/IndexInitializer.kt

@@ -0,0 +1,31 @@
+package com.pischule.memestv.upload
+
+import io.github.oshai.kotlinlogging.KotlinLogging
+import kotlinx.coroutines.runBlocking
+import org.springframework.boot.context.event.ApplicationStartedEvent
+import org.springframework.context.annotation.Configuration
+import org.springframework.context.event.EventListener
+import org.springframework.scheduling.annotation.Async
+
+private val logger = KotlinLogging.logger {}
+
+@Configuration
+class IndexInitializer(val fileUploaderService: FileUploaderService) {
+
+    @Async
+    @EventListener
+    fun applicationStartedHandler(event: ApplicationStartedEvent) {
+        try {
+            val fileBytes = readResourceAsByteArray("static/index.html")
+            runBlocking { fileUploaderService.uploadFile(fileBytes, "index.html") }
+        } catch (e: Error) {
+            logger.warn(e) { "Failed to upload " }
+        }
+    }
+
+    private fun readResourceAsByteArray(resourcePath: String): ByteArray {
+        val inputStream =
+            ClassLoader.getSystemResourceAsStream(resourcePath) ?: error("$resourcePath not found")
+        return inputStream.use { it.readAllBytes() }
+    }
+}

src/main/kotlin/com/pischule/memestv/upload/S3Config.kt

@@ -1,4 +1,4 @@
-package com.pischule.memestv.s3
+package com.pischule.memestv.upload
 
 import aws.sdk.kotlin.runtime.auth.credentials.StaticCredentialsProvider
 import aws.sdk.kotlin.services.s3.S3Client
@@ -6,7 +6,9 @@ import aws.smithy.kotlin.runtime.net.url.Url
 import org.springframework.boot.context.properties.EnableConfigurationProperties
 import org.springframework.context.annotation.Bean
 import org.springframework.context.annotation.Configuration
+import org.springframework.context.annotation.Profile
 
+@Profile("!local")
 @EnableConfigurationProperties(S3Props::class)
 @Configuration
 class S3Config {

src/main/kotlin/com/pischule/memestv/upload/S3FileUploaderService.kt

@@ -0,0 +1,26 @@
+package com.pischule.memestv.upload
+
+import aws.sdk.kotlin.services.s3.S3Client
+import aws.sdk.kotlin.services.s3.model.PutObjectRequest
+import aws.smithy.kotlin.runtime.content.ByteStream
+import io.github.oshai.kotlinlogging.KotlinLogging
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean
+import org.springframework.stereotype.Service
+
+private val logger = KotlinLogging.logger {}
+
+@ConditionalOnBean(S3Config::class)
+@Service
+class S3FileUploaderService(private val s3Client: S3Client, private val s3Props: S3Props) :
+    FileUploaderService {
+    override suspend fun uploadFile(fileBytes: ByteArray, filename: String) {
+        s3Client.putObject(
+            PutObjectRequest {
+                body = ByteStream.fromBytes(fileBytes)
+                bucket = s3Props.bucket
+                key = filename
+            }
+        )
+        logger.info { "File $filename has been uploaded to S3" }
+    }
+}

src/main/kotlin/com/pischule/memestv/upload/S3Props.kt

@@ -1,4 +1,4 @@
-package com.pischule.memestv.s3
+package com.pischule.memestv.upload
 
 import org.springframework.boot.context.properties.ConfigurationProperties