add Credit Card Controller

creditcard-app/pom.xml

@@ -7,7 +7,19 @@
   <version>1.0-SNAPSHOT</version>
   <name>creditcard-app</name>
   <url>http://maven.apache.org</url>
+
+  <parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.0.RELEASE</version>
+	</parent>
+
   <dependencies>
+    <dependency>
+  		<groupId>org.springframework.boot</groupId>
+  		<artifactId>spring-boot-starter-web</artifactId>
+  	</dependency>
+
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>

creditcard-app/src/main/java/pl/jkan/creditcard/App.java

@@ -1,9 +1,13 @@
 package pl.jkan.creditcard;
 
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.SpringApplication;
+
+@SpringBootApplication
 public class App 
 {
     public static void main( String[] args )
     {
-        System.out.println( "Hello World!" );
+        SpringApplication.run(App.class, args);
     }
 }

creditcard-app/src/main/java/pl/jkan/creditcard/CreditCardConfiguration.java

@@ -0,0 +1,17 @@
+package pl.jkan.creditcard;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Bean;
+
+@Configuration
+class CreditCardConfiguration {
+
+    @Bean
+    public CreditCardApi creditcardApi() {
+        CreditCardRepository repo = new CreditCardRepository();
+        CreditCard c1 = new CreditCard("1234");
+        repo.add(c1);
+
+        return new CreditCardApi(repo);
+    }
+}

creditcard-app/src/main/java/pl/jkan/creditcard/CreditCardController.java

@@ -0,0 +1,29 @@
+package pl.jkan.creditcard;
+
+import org.springframework.web.bind.annotation.*;
+import org.springframework.beans.factory.annotation.Autowired;
+@RestController
+@RequestMapping("/api/cards")
+class CreditCardController {
+
+    private CreditCardApi api;
+
+    @Autowired
+    public CreditCardController(CreditCardApi api) {
+        this.api = api;
+    }
+
+    @GetMapping("/{number}")
+    public String balance() {
+       return "200 zł";
+    } 
+
+    @PostMapping("/{number}/{money}")
+    public void withdraw(@PathVariable String number, @PathVariable double money) {
+        try {
+            api.withdraw(number, money);
+        } catch (Throwable e) {
+            System.out.println(e.getMessage());
+        }
+    }
+}

creditcard-app/src/main/resources/application.properties

@@ -0,0 +1 @@
+server.port=8012