Updated swagger ui and apis

build.gradle.kts

@@ -1,10 +1,11 @@
 import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
 
 plugins {
+	java
 	id("org.springframework.boot") version "2.3.3.RELEASE"
 	id("io.spring.dependency-management") version "1.0.10.RELEASE"
-	kotlin("jvm") version "1.3.72"
-	kotlin("plugin.spring") version "1.3.72"
+	kotlin("jvm") version "1.4.0"
+	kotlin("plugin.spring") version "1.4.0"
 }
 
 group = "com.example"
@@ -18,6 +19,11 @@ repositories {
 dependencies {
 	implementation("org.springframework.boot:spring-boot-starter-web")
 	implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+	implementation("io.springfox:springfox-swagger2:2.9.2")
+	implementation("io.springfox:springfox-swagger-ui:2.9.2")
+
+	developmentOnly("org.springframework.boot:spring-boot-devtools")
+
 	implementation("org.jetbrains.kotlin:kotlin-reflect")
 	implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
 	testImplementation("org.springframework.boot:spring-boot-starter-test") {

src/main/kotlin/com/example/demo/DemoApplication.kt

@@ -4,6 +4,10 @@ import com.example.demo.domain.Currency
 import com.example.demo.domain.Money
 import com.example.demo.domain.MoneyConfig
 import com.example.demo.domain.exchange
+import com.example.demo.exchange.FixerIOExchangeAdapter
+import com.example.demo.exchange.LocalExchangeAdapter
+import com.example.demo.exchange.MoneyExchange
+import com.example.demo.exchange.YahooExchangeAdapter
 import com.example.demo.rest.RestWebClient
 import org.springframework.boot.CommandLineRunner
 import org.springframework.boot.autoconfigure.SpringBootApplication
@@ -43,14 +47,24 @@ class DemoApplication : CommandLineRunner {
         //
         // println(moneyUsd)
 
-        val url = "http://data.fixer.io/api/latest?access_key=381f3bac3cb8beed200cc4e17c0f8bb4&symbols=USD,KHR,EUR"
-        val result = RestWebClient.getRates(url)
-        // println(result)
-        MoneyConfig.loadFrom(result)
+        // val url = "http://data.fixer.io/api/latest?access_key=381f3bac3cb8beed200cc4e17c0f8bb4&symbols=USD,KHR,EUR"
+        // val result = RestWebClient.getRates(url)
+        // // println(result)
+        // MoneyConfig.loadFrom(result)
+        //
+        // val moneyUsd = Money(10.0, currency = Currency.USD)
+        // val moneyResult = moneyUsd.exchange("KHR")
+        // println(moneyResult)
 
-        val moneyUsd = Money(10.0, currency = Currency.USD)
-        val moneyResult = moneyUsd.exchange("KHR")
-        println(moneyResult)
+        // val exchangeAdapter1 = LocalExchangeAdapter()
+        // val exchangeAdapter2 = FixerIOExchangeAdapter()
+        // val exchangeAdapter3 = YahooExchangeAdapter()
+        //
+        // val exchanger = MoneyExchange(exchangeAdapter3)
+        //
+        // val moneyUsd = Money(10.0)
+        // val result = exchanger.exchange(moneyUsd, "KHR")
+        // println(result)
     }
 }
 

src/main/kotlin/com/example/demo/config/SpringFoxConfig.kt

@@ -0,0 +1,22 @@
+package com.example.demo.config
+
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import springfox.documentation.builders.PathSelectors
+import springfox.documentation.builders.RequestHandlerSelectors
+import springfox.documentation.spi.DocumentationType
+import springfox.documentation.spring.web.plugins.Docket
+import springfox.documentation.swagger2.annotations.EnableSwagger2
+
+@Configuration
+@EnableSwagger2
+class SpringFoxConfig {
+    @Bean
+    fun api(): Docket? {
+        return Docket(DocumentationType.SWAGGER_2)
+            .select()
+            .apis(RequestHandlerSelectors.any())
+            .paths(PathSelectors.any())
+            .build()
+    }
+}

src/main/kotlin/com/example/demo/config/WebConfig.kt

@@ -0,0 +1,17 @@
+package com.example.demo.config
+
+import org.springframework.context.annotation.Configuration
+import org.springframework.web.servlet.config.annotation.EnableWebMvc
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer
+
+@Configuration
+@EnableWebMvc
+class WebConfig : WebMvcConfigurer {
+    override fun addResourceHandlers(registry: ResourceHandlerRegistry) {
+        registry.addResourceHandler("swagger-ui.html")
+            .addResourceLocations("classpath:/META-INF/resources/")
+        registry.addResourceHandler("/webjars/**")
+            .addResourceLocations("classpath:/META-INF/resources/webjars/")
+    }
+}

src/main/kotlin/com/example/demo/exchange/ExchangeAdapter.kt

@@ -0,0 +1,10 @@
+package com.example.demo.exchange
+
+interface ExchangeAdapter {
+    /**
+     * @param source String Source Currency
+     * @param sourceAmount String Source Amount
+     * @return targetAmount Double
+     */
+    fun exchange(source: String, sourceAmount: Double, target: String): Double
+}

src/main/kotlin/com/example/demo/exchange/FixerIOExchangeAdapter.kt

@@ -0,0 +1,7 @@
+package com.example.demo.exchange
+
+class FixerIOExchangeAdapter : ExchangeAdapter {
+    override fun exchange(source: String, sourceAmount: Double, target: String): Double {
+        TODO("Not yet implemented")
+    }
+}

src/main/kotlin/com/example/demo/exchange/LocalExchangeAdapter.kt

@@ -0,0 +1,7 @@
+package com.example.demo.exchange
+
+class LocalExchangeAdapter : ExchangeAdapter {
+    override fun exchange(source: String, sourceAmount: Double, target: String): Double {
+        TODO("Not yet implemented")
+    }
+}

src/main/kotlin/com/example/demo/exchange/MoneyExchange.kt

@@ -0,0 +1,14 @@
+package com.example.demo.exchange
+
+import com.example.demo.domain.Currency
+import com.example.demo.domain.Money
+import com.example.demo.domain.StdMoney
+
+class MoneyExchange (
+    private val exchangeAdapter: ExchangeAdapter
+) {
+    fun exchange(source: StdMoney, toCurrency: String): StdMoney {
+        val exchangeRate = exchangeAdapter.exchange(source.getMoneyCurrency(), source.getMoneyValue(), toCurrency)
+        return Money(value = exchangeRate, currency = Currency.create(toCurrency))
+    }
+}

src/main/kotlin/com/example/demo/exchange/YahooExchangeAdapter.kt

@@ -0,0 +1,7 @@
+package com.example.demo.exchange
+
+class YahooExchangeAdapter : ExchangeAdapter {
+    override fun exchange(source: String, sourceAmount: Double, target: String): Double {
+        TODO("Not yet implemented")
+    }
+}

src/main/kotlin/com/example/demo/rest/ApiController.kt

@@ -0,0 +1,39 @@
+package com.example.demo.rest
+
+import org.springframework.web.bind.annotation.DeleteMapping
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.PathVariable
+import org.springframework.web.bind.annotation.PostMapping
+import org.springframework.web.bind.annotation.RequestBody
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("/people")
+class ApiController {
+    private val people = mutableListOf<Person>()
+
+    @GetMapping
+    fun index(): List<Person> {
+        return people
+    }
+
+    @PostMapping
+    fun create(@RequestBody person: Person): Person {
+        people.add(person)
+
+        return person
+    }
+
+    @DeleteMapping("/{id}")
+    fun delete(@PathVariable id: Long): String {
+        val person = people.firstOrNull { it.id == id } ?: return "not found"
+        people.remove(person)
+        return "deleted"
+    }
+}
+
+data class Person(
+    var id: Long? = null,
+    var name: String? = null
+)