Add initial CustomerController + Service

00-backend/src/main/java/de/htwsaar/webshop/config/ControllerPathConfig.java

@@ -20,4 +20,7 @@ public class ControllerPathConfig {
     public static final String ACCOUNT_BASE = "/account";
     public static final String EMAIL_BASE = "/email";
 
+    //CustomerController
+    public static final String CUSTOMER_BASE = "/customer";
+
 }

00-backend/src/main/java/de/htwsaar/webshop/config/ParameterConfig.java

@@ -8,5 +8,6 @@ public class ParameterConfig {
     public static final String PARAM_ARTICLE_ID = "articleId";
     public static final String PARAM_IMAGE_ID = "imageId";
     public static final String PARAM_EMAIL = "email";
+    public static final String PARAM_PASSWORD = "password";
 
 }

00-backend/src/main/java/de/htwsaar/webshop/controller/CustomerController.java

@@ -0,0 +1,72 @@
+package de.htwsaar.webshop.controller;
+
+import de.htwsaar.webshop.repository.entities.Customer;
+import de.htwsaar.webshop.service.CustomerService;
+import de.htwsaar.webshop.service.ValidatorService;
+import jakarta.servlet.http.HttpServletRequest;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import static de.htwsaar.webshop.config.ControllerPathConfig.CUSTOMER_BASE;
+import static de.htwsaar.webshop.config.ParameterConfig.PARAM_ID;
+import static de.htwsaar.webshop.util.LoggerUtil.logRequest;
+
+@RestController
+@Slf4j
+public class CustomerController {
+
+    private final ValidatorService validatorService;
+    private final CustomerService customerService;
+
+    @Autowired
+    public CustomerController(ValidatorService validatorService, CustomerService customerService) {
+        this.validatorService = validatorService;
+        this.customerService = customerService;
+    }
+
+    @RequestMapping(path = CUSTOMER_BASE, method = RequestMethod.POST, produces = "application/json")
+    public ResponseEntity<Customer> createCustomer(HttpServletRequest request,
+                                              @RequestBody Customer customer) {
+        logRequest(request);
+        if (validatorService.isInvalid(customer)) {
+            log.warn("[{}] failed Validation, sending bad request", request.getRequestURI());
+            return ResponseEntity.badRequest().build();
+        }
+        Customer saved = customerService.save(customer);
+        if(saved.getId() == null) {
+            return ResponseEntity.internalServerError().build();
+        }
+        return ResponseEntity.ok(saved);
+    }
+
+    @RequestMapping(path = CUSTOMER_BASE, method = RequestMethod.DELETE, produces = "application/json")
+    public ResponseEntity<Void> deleteCustomer(HttpServletRequest request,
+                                              @RequestBody Customer customer) {
+        logRequest(request);
+        if (validatorService.isInvalid(customer)) {
+            log.warn("[{}] failed Validation, sending bad request", request.getRequestURI());
+            return ResponseEntity.badRequest().build();
+        }
+        customerService.delete(customer);
+        return ResponseEntity.ok().build();
+    }
+
+    @RequestMapping(path = CUSTOMER_BASE, method = RequestMethod.PUT, produces = "application/json")
+    public ResponseEntity<Customer> updateCustomer(HttpServletRequest request,
+                                                   @RequestParam(PARAM_ID) Long id,
+                                                   @RequestBody Customer customer) {
+        logRequest(request);
+        if (validatorService.isInvalid(customer)) {
+            log.warn("[{}] failed Validation, sending bad request", request.getRequestURI());
+            return ResponseEntity.badRequest().build();
+        }
+        if(customerService.findById(id) == null) {
+            log.warn("[{}] AccountID doesn't exist", request.getRequestURI());
+            return ResponseEntity.badRequest().build();
+        }
+        customer.setId(id);
+        return ResponseEntity.ok(customerService.save(customer));
+    }
+}

00-backend/src/main/java/de/htwsaar/webshop/service/CustomerService.java

@@ -0,0 +1,9 @@
+package de.htwsaar.webshop.service;
+
+import de.htwsaar.webshop.repository.entities.Customer;
+
+public interface CustomerService {
+    Customer save(Customer customer);
+    void delete(Customer customer);
+    Customer findById(Long id);
+}

00-backend/src/main/java/de/htwsaar/webshop/service/impl/CustomerServiceImpl.java

@@ -0,0 +1,34 @@
+package de.htwsaar.webshop.service.impl;
+
+import de.htwsaar.webshop.repository.CustomerRepository;
+import de.htwsaar.webshop.repository.entities.Customer;
+import de.htwsaar.webshop.service.CustomerService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+@Slf4j
+public class CustomerServiceImpl implements CustomerService {
+    private final CustomerRepository customerRepository;
+
+    @Autowired
+    public CustomerServiceImpl(CustomerRepository customerRepository) {
+        this.customerRepository = customerRepository;
+    }
+
+    @Override
+    public Customer save(Customer customer) {
+        return customerRepository.save(customer);
+    }
+
+    @Override
+    public void delete(Customer customer) {
+        customerRepository.delete(customer);
+    }
+
+    @Override
+    public Customer findById(Long id) {
+        return customerRepository.findById(id).orElse(null);
+    }
+}