mirror of
https://github.com/Dannecron/spring-boot-demo.git
synced 2025-12-26 08:42:33 +03:00
move and refactor city and product services to core
This commit is contained in:
Savosin Denis
@@ -1,19 +0,0 @@
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package com.github.dannecron.demo.services.database.city
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import com.github.dannecron.demo.db.entity.City
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import com.github.dannecron.demo.services.database.exceptions.CityNotFoundException
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import com.github.dannecron.demo.services.database.exceptions.AlreadyDeletedException
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import com.github.dannecron.demo.services.kafka.dto.CityCreateDto
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import org.springframework.stereotype.Service
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import java.util.*
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@Service
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interface CityService {
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fun findByGuid(guid: UUID): City?
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fun create(name: String): City
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fun create(kafkaCityDto: CityCreateDto): City
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@Throws(CityNotFoundException::class, AlreadyDeletedException::class)
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fun delete(guid: UUID): City
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}
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@@ -1,60 +0,0 @@
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package com.github.dannecron.demo.services.database.city
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import com.github.dannecron.demo.core.services.generation.CommonGenerator
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import com.github.dannecron.demo.db.entity.City
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import com.github.dannecron.demo.db.repository.CityRepository
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import com.github.dannecron.demo.services.database.exceptions.AlreadyDeletedException
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import com.github.dannecron.demo.services.database.exceptions.CityNotFoundException
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import com.github.dannecron.demo.services.kafka.dto.CityCreateDto
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import org.springframework.stereotype.Service
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import java.time.OffsetDateTime
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import java.time.format.DateTimeFormatter
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import java.util.UUID
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@Service
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class CityServiceImpl(
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private val cityRepository: CityRepository,
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private val commonGenerator: CommonGenerator,
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): CityService {
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override fun findByGuid(guid: UUID): City? = cityRepository.findByGuid(guid)
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override fun create(name: String): City = City(
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id = null,
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guid = commonGenerator.generateUUID(),
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name = name,
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createdAt = commonGenerator.generateCurrentTime(),
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updatedAt = null,
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deletedAt = null,
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).let {
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cityRepository.save(it)
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}
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override fun create(kafkaCityDto: CityCreateDto): City = City(
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id = null,
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guid = UUID.fromString(kafkaCityDto.guid),
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name = kafkaCityDto.name,
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createdAt = OffsetDateTime.parse(kafkaCityDto.createdAt, DateTimeFormatter.ISO_OFFSET_DATE_TIME),
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updatedAt = kafkaCityDto.deletedAt?.let {
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OffsetDateTime.parse(it, DateTimeFormatter.ISO_OFFSET_DATE_TIME)
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},
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deletedAt = kafkaCityDto.deletedAt?.let {
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OffsetDateTime.parse(it, DateTimeFormatter.ISO_OFFSET_DATE_TIME)
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},
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).let {
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cityRepository.save(it)
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}
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override fun delete(guid: UUID): City {
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val city = findByGuid(guid) ?: throw CityNotFoundException()
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if (city.isDeleted()) {
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throw AlreadyDeletedException()
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}
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return cityRepository.save(
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city.copy(
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deletedAt = OffsetDateTime.now(),
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)
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)
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}
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}
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@@ -1,25 +0,0 @@
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package com.github.dannecron.demo.services.database.product
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import com.github.dannecron.demo.db.entity.Product
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import com.github.dannecron.demo.services.database.exceptions.AlreadyDeletedException
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import com.github.dannecron.demo.services.database.exceptions.ProductNotFoundException
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import com.github.dannecron.demo.services.kafka.exceptions.InvalidArgumentException
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import org.springframework.data.domain.Page
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import org.springframework.data.domain.Pageable
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import org.springframework.stereotype.Service
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import java.util.UUID
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@Service
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interface ProductService {
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fun findByGuid(guid: UUID): Product?
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fun findAll(pageable: Pageable): Page<Product>
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fun create(name: String, price: Long, description: String?): Product
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@Throws(ProductNotFoundException::class, AlreadyDeletedException::class)
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fun delete(guid: UUID): Product
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@Throws(ProductNotFoundException::class, InvalidArgumentException::class)
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fun syncToKafka(guid: UUID, topic: String?)
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}
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@@ -1,82 +0,0 @@
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package com.github.dannecron.demo.services.database.product
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import com.github.dannecron.demo.core.services.generation.CommonGenerator
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import com.github.dannecron.demo.db.entity.Product
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import com.github.dannecron.demo.db.repository.ProductRepository
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import com.github.dannecron.demo.services.database.exceptions.AlreadyDeletedException
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import com.github.dannecron.demo.services.database.exceptions.ProductNotFoundException
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import com.github.dannecron.demo.services.kafka.Producer
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import com.github.dannecron.demo.services.kafka.dto.ProductDto
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import com.github.dannecron.demo.services.kafka.exceptions.InvalidArgumentException
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import com.github.dannecron.demo.utils.LoggerDelegate
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import net.logstash.logback.marker.Markers
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import org.springframework.data.domain.Page
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import org.springframework.data.domain.Pageable
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import org.springframework.stereotype.Service
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import java.time.format.DateTimeFormatter
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import java.util.UUID
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@Service
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class ProductServiceImpl(
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private val productRepository: ProductRepository,
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private val producer: Producer,
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private val commonGenerator: CommonGenerator,
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): ProductService {
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private val logger by LoggerDelegate()
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override fun findByGuid(guid: UUID): Product? = productRepository.findByGuid(guid)
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.also {
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logger.debug(
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Markers.appendEntries(mapOf("guid" to guid, "idResult" to it?.id)),
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"find product by guid",
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)
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}
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override fun findAll(pageable: Pageable): Page<Product> = productRepository.findAll(pageable)
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override fun create(name: String, price: Long, description: String?): Product {
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val product = Product(
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id = null,
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guid = commonGenerator.generateUUID(),
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name = name,
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description = description,
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price = price,
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createdAt = commonGenerator.generateCurrentTime(),
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updatedAt = null,
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deletedAt = null,
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)
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return productRepository.save(product)
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}
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override fun delete(guid: UUID): Product {
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val product = findByGuid(guid) ?: throw ProductNotFoundException()
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if (product.isDeleted()) {
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throw AlreadyDeletedException()
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}
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val deletedProduct = product.copy(
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deletedAt = commonGenerator.generateCurrentTime(),
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)
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return productRepository.save(deletedProduct)
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}
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override fun syncToKafka(guid: UUID, topic: String?) {
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val product = findByGuid(guid) ?: throw ProductNotFoundException()
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producer.produceProductSync(product.toKafkaDto())
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}
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private fun Product.toKafkaDto() = ProductDto(
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id = id ?: throw InvalidArgumentException("product.id"),
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guid = guid.toString(),
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name = name,
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description = description,
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price = price,
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createdAt = createdAt.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME),
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updatedAt = updatedAt?.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME),
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deletedAt = deletedAt?.format(DateTimeFormatter.ISO_OFFSET_DATE_TIME),
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)
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}
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@@ -1,24 +0,0 @@
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package com.github.dannecron.demo.utils
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import org.slf4j.Logger
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import org.slf4j.LoggerFactory
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import kotlin.properties.ReadOnlyProperty
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import kotlin.reflect.KProperty
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import kotlin.reflect.full.companionObject
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/**
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* usage: `private val logger by LoggerDelegate()`
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*/
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class LoggerDelegate<in R : Any> : ReadOnlyProperty<R, Logger> {
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override fun getValue(thisRef: R, property: KProperty<*>)
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= getLogger(getClassForLogging(thisRef.javaClass))
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private fun <T : Any> getClassForLogging(javaClass: Class<T>): Class<*> {
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return javaClass.enclosingClass?.takeIf {
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it.kotlin.companionObject?.java == javaClass
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} ?: javaClass
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}
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}
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fun getLogger(forClass: Class<*>): Logger = LoggerFactory.getLogger(forClass)
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