Step17

03.microservices/currency-exchange-service/pom.xml

@@ -0,0 +1,123 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<groupId>com.in28minutes.microservices</groupId>
+	<artifactId>currency-exchange-service</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<packaging>jar</packaging>
+
+	<name>currency-exchange-service</name>
+	<description>Demo project for Spring Boot</description>
+
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.0.0.M3</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+
+	<properties>
+		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+		<java.version>1.8</java.version>
+		<spring-cloud.version>Finchley.M2</spring-cloud.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-actuator</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.cloud</groupId>
+			<artifactId>spring-cloud-starter-config</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+		</dependency>
+
+
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-devtools</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>org.springframework.cloud</groupId>
+				<artifactId>spring-cloud-dependencies</artifactId>
+				<version>${spring-cloud.version}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+	<repositories>
+		<repository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</repository>
+		<repository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</repository>
+	</repositories>
+
+	<pluginRepositories>
+		<pluginRepository>
+			<id>spring-snapshots</id>
+			<name>Spring Snapshots</name>
+			<url>https://repo.spring.io/snapshot</url>
+			<snapshots>
+				<enabled>true</enabled>
+			</snapshots>
+		</pluginRepository>
+		<pluginRepository>
+			<id>spring-milestones</id>
+			<name>Spring Milestones</name>
+			<url>https://repo.spring.io/milestone</url>
+			<snapshots>
+				<enabled>false</enabled>
+			</snapshots>
+		</pluginRepository>
+	</pluginRepositories>
+
+
+</project>

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/CurrencyExchangeController.java

@@ -0,0 +1,32 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import java.math.BigDecimal;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.env.Environment;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+public class CurrencyExchangeController {
+
+	@Autowired
+	private Environment environment;
+
+	@Autowired
+	private ExchangeValueRepository repository;
+
+	@GetMapping("/currency-exchange/from/{from}/to/{to}")
+	public ExchangeValue retrieveExchangeValue
+		(@PathVariable String from, @PathVariable String to){
+
+		ExchangeValue exchangeValue = 
+				repository.findByFromAndTo(from, to);
+
+		exchangeValue.setPort(
+				Integer.parseInt(environment.getProperty("local.server.port")));
+
+		return exchangeValue;
+	}
+}

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/CurrencyExchangeServiceApplication.java

@@ -0,0 +1,12 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class CurrencyExchangeServiceApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(CurrencyExchangeServiceApplication.class, args);
+	}
+}

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/ExchangeValue.java

@@ -0,0 +1,61 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import java.math.BigDecimal;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+
+@Entity
+public class ExchangeValue {
+
+	@Id
+	private Long id;
+
+	@Column(name="currency_from")
+	private String from;
+
+	@Column(name="currency_to")
+	private String to;
+
+	private BigDecimal conversionMultiple;
+	private int port;
+
+	public ExchangeValue() {
+
+	}
+
+
+	public ExchangeValue(Long id, String from, String to, BigDecimal conversionMultiple) {
+		super();
+		this.id = id;
+		this.from = from;
+		this.to = to;
+		this.conversionMultiple = conversionMultiple;
+	}
+
+	public Long getId() {
+		return id;
+	}
+
+	public String getFrom() {
+		return from;
+	}
+
+	public String getTo() {
+		return to;
+	}
+
+	public BigDecimal getConversionMultiple() {
+		return conversionMultiple;
+	}
+
+	public int getPort() {
+		return port;
+	}
+
+	public void setPort(int port) {
+		this.port = port;
+	}
+
+}

03.microservices/currency-exchange-service/src/main/java/com/in28minutes/microservices/currencyexchangeservice/ExchangeValueRepository.java

@@ -0,0 +1,8 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface ExchangeValueRepository extends 
+		JpaRepository<ExchangeValue, Long>{
+	ExchangeValue findByFromAndTo(String from, String to);
+}

03.microservices/currency-exchange-service/src/main/resources/application.properties

@@ -0,0 +1,5 @@
+spring.application.name=currency-exchange-service
+server.port=8000
+
+spring.jpa.show-sql=true
+spring.h2.console.enabled=true

03.microservices/currency-exchange-service/src/main/resources/data.sql

@@ -0,0 +1,6 @@
+insert into exchange_value(id,currency_from,currency_to,conversion_multiple,port)
+values(10001,'USD','INR',65,0);
+insert into exchange_value(id,currency_from,currency_to,conversion_multiple,port)
+values(10002,'EUR','INR',75,0);
+insert into exchange_value(id,currency_from,currency_to,conversion_multiple,port)
+values(10003,'AUD','INR',25,0);

03.microservices/currency-exchange-service/src/test/java/com/in28minutes/microservices/currencyexchangeservice/CurrencyExchangeServiceApplicationTests.java

@@ -0,0 +1,16 @@
+package com.in28minutes.microservices.currencyexchangeservice;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class CurrencyExchangeServiceApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}