Case 2: XMLParser was added for daily Parity data and called when the…

… user GET request was sent.

type : feat

- Daily Parity data in XML format taken from https://www.tcmb.gov.tr/kurlar/today.xml site was parsed.
- XMLParser Class is defined to parse the website and return a parity list.
-When the user makes a GET request, XMLParser runs and it is called within the method that the request made.

src/main/java/com/makocabey/rest/ParityController.java

@@ -33,13 +33,16 @@ class ParityController {
 	@Autowired
 	private final CalculateNonExistParity calculateParity;
 
-
+	@Autowired
+	private final XMLService xmlService;
 
 	ParityController(ParityRepository repository, 
-			CalculateNonExistParity calculateParity) {
+			CalculateNonExistParity calculateParity,
+			XMLService xmlService) {
 
 		this.repository = repository;
 		this.calculateParity = calculateParity;
+		this.xmlService = xmlService;
 	}
 
 
@@ -331,4 +334,23 @@ public List<CustomParityResponse> calculateMethodByParityCodeBetweenDates(
 
 		return listOfResponse;
 	}
+
+
+
+
+
+	@GetMapping("/dailyparity") 
+	public ResponseEntity<String>  getDailyParityData() {
+		List<Parity> listOfParity = xmlService.parseAndSaveParityData();
+
+		LocalDate todaysDate = listOfParity.get(0).getDate();
+
+		if(!((repository.findByDate(todaysDate)).isEmpty())) {
+			repository.deleteByDate(todaysDate);
+		}
+
+		repository.saveAll(listOfParity);
+
+		return new ResponseEntity<String>("The parity data of day{" + todaysDate + "} has been successfully saved to the database.", HttpStatus.OK);
+	}
 }

src/main/java/com/makocabey/rest/SpringRestServiceApplication.java

@@ -9,14 +9,7 @@
 
 
 @SpringBootApplication
-public class SpringRestServiceApplication implements CommandLineRunner {
-
-	private XMLService xmlService;
-
-	public SpringRestServiceApplication(XMLService xmlService) {
-		this.xmlService = xmlService;
-	}
-
+public class SpringRestServiceApplication {
 
 	public static void main(String[] args) {
 
@@ -25,11 +18,4 @@ public static void main(String[] args) {
 		app.setBannerMode(Banner.Mode.OFF);
 		app.run(args);
 	}
-
-
-
-	@Override
-	public void run(String...args) throws Exception {
-		xmlService.parseAndSaveParityData();
-	}
 }

src/main/java/com/makocabey/rest/XMLService.java

@@ -1,7 +1,7 @@
 package com.makocabey.rest;
 
 
-import org.springframework.stereotype.Service;
+import org.springframework.stereotype.Component;
 
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
@@ -10,6 +10,8 @@
 
 import java.time.LocalDate;
 import java.time.format.DateTimeFormatter;
+import java.util.ArrayList;
+import java.util.List;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
@@ -19,22 +21,16 @@
 
 
 
-@Service
+@Component
 public class XMLService {
 
 	private final Logger log = LoggerFactory.getLogger(XMLService.class);
-
-
-	private final ParityRepository repository;
-
-	public XMLService(ParityRepository repository) {
-		this.repository = repository; 
-	}
 
 
 
-	public void parseAndSaveParityData() { 
+	public List<Parity> parseAndSaveParityData() { 
 
+		List<Parity> listOfParity = new ArrayList<>();
 
 		try {
 			String URL = "https://www.tcmb.gov.tr/kurlar/today.xml";
@@ -77,9 +73,7 @@ public void parseAndSaveParityData() {
 
 					Parity parity = new Parity(parityCode, date, purchasePrice, salePrice, averagePrice);
 
-
-					repository.save(parity);
-
+					listOfParity.add(parity);
 				}
 
 			}
@@ -90,6 +84,8 @@ public void parseAndSaveParityData() {
 		catch (Exception e) {
 			log.error(e.getMessage());
 		}
+
+		return listOfParity;
 	}
 
 }