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madheadmadhead
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Dummy update processor
1 parent d05f10c commit a37fd7d

10 files changed

Lines changed: 130 additions & 4 deletions

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‎core/build.gradle.kts‎

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plugins {
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kotlin("jvm")
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}
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dependencies {
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api(libs.bundles.tgbotapi)
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implementation(libs.log4j.api)
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}

‎core/src/main/kotlin/by/jprof/telegram/bot/core/DummyUpdateProcessor.kt‎

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package by.jprof.telegram.bot.core
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import dev.inmo.tgbotapi.types.update.abstracts.Update
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import org.apache.logging.log4j.LogManager
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class DummyUpdateProcessor : UpdateProcessor {
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companion object {
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private val logger = LogManager.getLogger(DummyUpdateProcessor::class.java)
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}
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override suspend fun process(update: Update) {
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logger.debug("Doing nothing with {}", update)
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}
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}

‎core/src/main/kotlin/by/jprof/telegram/bot/core/UpdateProcessingPipeline.kt‎

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package by.jprof.telegram.bot.core
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import dev.inmo.tgbotapi.types.update.abstracts.Update
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import kotlinx.coroutines.CoroutineExceptionHandler
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import kotlinx.coroutines.joinAll
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import kotlinx.coroutines.launch
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import kotlinx.coroutines.runBlocking
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import kotlinx.coroutines.supervisorScope
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import org.apache.logging.log4j.LogManager
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class UpdateProcessingPipeline(
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private val processors: List<UpdateProcessor>
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) {
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companion object {
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private val logger = LogManager.getLogger(UpdateProcessingPipeline::class.java)!!
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}
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fun process(update: Update) = runBlocking {
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supervisorScope {
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processors
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.map { launch(exceptionHandler(it)) { it.process(update) } }
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.joinAll()
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}
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}
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private fun exceptionHandler(updateProcessor: UpdateProcessor) = CoroutineExceptionHandler { _, exception ->
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logger.error("{} failed!", updateProcessor::class.simpleName, exception)
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}
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}

‎core/src/main/kotlin/by/jprof/telegram/bot/core/UpdateProcessor.kt‎

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package by.jprof.telegram.bot.core
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import dev.inmo.tgbotapi.types.update.abstracts.Update
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interface UpdateProcessor {
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suspend fun process(update: Update)
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}

‎gradle/libs.versions.toml‎

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@@ -6,6 +6,8 @@ aws-lambda-java-core = "1.2.1"
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aws-lambda-java-log4j2 = "1.2.0"
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awssdk = "2.16.43"
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koin = "3.0.1"
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jackson = "2.12.3"
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tgbotapi = "0.33.3"
@@ -23,10 +25,13 @@ aws-lambda-java-core = { group = "com.amazonaws", name = "aws-lambda-java-core",
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aws-lambda-java-log4j2 = { group = "com.amazonaws", name = "aws-lambda-java-log4j2", version.ref = "aws-lambda-java-log4j2" }
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dynamodb = { group = "software.amazon.awssdk", name = "dynamodb", version.ref = "awssdk" }
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koin-core = { group = "io.insert-koin", name = "koin-core", version.ref = "koin" }
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jackson-databind = { group = "com.fasterxml.jackson.core", name = "jackson-databind", version.ref = "jackson" }
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tgbotapi-core = { group = "dev.inmo", name = "tgbotapi.core", version.ref = "tgbotapi" }
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log4j-api = { group = "org.apache.logging.log4j", name = "log4j-api", version.ref = "log4j" }
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log4j-core = { group = "org.apache.logging.log4j", name = "log4j-core", version.ref = "log4j" }
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log4j-slf4j-impl = { group = "org.apache.logging.log4j", name = "log4j-slf4j-impl", version.ref = "log4j" }
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‎runners/lambda/build.gradle.kts‎

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dependencies {
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implementation(libs.bundles.aws.lambda)
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implementation(libs.koin.core)
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implementation(libs.bundles.tgbotapi)
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implementation(libs.bundles.log4j)
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implementation(project(":core"))
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}

‎runners/lambda/src/main/kotlin/by/jprof/telegram/bot/runners/lambda/JProf.kt‎

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package by.jprof.telegram.bot.runners.lambda
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import by.jprof.telegram.bot.core.UpdateProcessingPipeline
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import by.jprof.telegram.bot.runners.lambda.config.envModule
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import by.jprof.telegram.bot.runners.lambda.config.pipelineModule
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import com.amazonaws.services.lambda.runtime.Context
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import com.amazonaws.services.lambda.runtime.RequestHandler
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import com.amazonaws.services.lambda.runtime.events.APIGatewayV2HTTPEvent
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import com.amazonaws.services.lambda.runtime.events.APIGatewayV2HTTPResponse
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import dev.inmo.tgbotapi.types.update.abstracts.UpdateDeserializationStrategy
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import kotlinx.serialization.json.Json
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import org.apache.logging.log4j.LogManager
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import org.koin.core.component.KoinComponent
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import org.koin.core.component.inject
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import org.koin.core.context.startKoin
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@Suppress("unused")
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class JProf : RequestHandler<APIGatewayV2HTTPEvent, APIGatewayV2HTTPResponse> {
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override fun handleRequest(input: APIGatewayV2HTTPEvent, context: Context): APIGatewayV2HTTPResponse {
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return APIGatewayV2HTTPResponse
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class JProf : RequestHandler<APIGatewayV2HTTPEvent, APIGatewayV2HTTPResponse>, KoinComponent {
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companion object {
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private val logger = LogManager.getLogger(JProf::class.java)
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private val OK = APIGatewayV2HTTPResponse
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.builder()
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.withStatusCode(200)
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.withBody("Hello, world!")
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.withHeaders(mapOf(
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"Content-Type" to "application/json"
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))
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.withBody("{}")
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.build()
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}
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init {
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startKoin {
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modules(envModule, pipelineModule)
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}
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}
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private val json: Json by inject()
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private val pipeline: UpdateProcessingPipeline by inject()
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override fun handleRequest(input: APIGatewayV2HTTPEvent, context: Context): APIGatewayV2HTTPResponse {
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logger.debug("Incoming request: {}", input)
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val update = json.decodeFromString(UpdateDeserializationStrategy, input.body ?: return OK)
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logger.debug("Parsed update: {}", update)
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pipeline.process(update)
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return OK
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}
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}

‎runners/lambda/src/main/kotlin/by/jprof/telegram/bot/runners/lambda/config/env.kt‎

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package by.jprof.telegram.bot.runners.lambda.config
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import org.koin.core.qualifier.named
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import org.koin.dsl.module
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val envModule = module {
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emptyList<String>().forEach { variable ->
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single(named(variable)) {
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System.getenv(variable)!!
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}
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}
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}

‎runners/lambda/src/main/kotlin/by/jprof/telegram/bot/runners/lambda/config/pipeline.kt‎

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package by.jprof.telegram.bot.runners.lambda.config
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import by.jprof.telegram.bot.core.DummyUpdateProcessor
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import by.jprof.telegram.bot.core.UpdateProcessingPipeline
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import by.jprof.telegram.bot.core.UpdateProcessor
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import org.koin.core.qualifier.named
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import org.koin.dsl.module
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val pipelineModule = module {
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single {
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UpdateProcessingPipeline(getAll())
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}
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single<UpdateProcessor>(named("DummyUpdateProcessor")) {
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DummyUpdateProcessor()
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}
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}

‎settings.gradle.kts‎

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include(":utils:dynamodb")
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include(":votes")
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include(":votes:dynamodb")
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include(":core")
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include(":runners:lambda")

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