logging of Transaction CRUD operations

src/main/java/de/tilman/transactions/controller/TransactionController.java

@@ -1,33 +0,0 @@
-package de.tilman.transactions.controller;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.data.rest.webmvc.RepositoryRestController;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.ResponseBody;
-
-import de.tilman.transactions.domain.Transaction;
-import de.tilman.transactions.repository.TransactionRepository;
-
-//@RepositoryRestController
-public class TransactionController {
-
-//	private final TransactionRepository repository;
-//	
-//	@Autowired
-//	public TransactionController(TransactionRepository repository) {
-//		this.repository = repository;
-//	}
-//	
-//	@RequestMapping(method = RequestMethod.DELETE, value = "/transactions/{id}")
-//	public @ResponseBody Iterable<Transaction> deleteTransaction() {
-//		Iterable<Transaction> producers = repository.findAll(); 
-//
-//        //
-//        // do some intermediate processing, logging, etc. with the producers
-//        //
-//
-//        return producers; // or some filtered/altered/mapped version
-//    }
-	
-}

src/main/java/de/tilman/transactions/domain/Transaction.java

@@ -1,6 +1,7 @@
 package de.tilman.transactions.domain;
 
 import java.math.BigDecimal;
+import java.text.DecimalFormat;
 import java.util.Date;
 
 import javax.persistence.Entity;
@@ -10,6 +11,14 @@ import javax.persistence.ManyToOne;
 
 @Entity
 public class Transaction {
+	
+	private static DecimalFormat df = new DecimalFormat();
+	static {
+		df.getDecimalFormatSymbols().setDecimalSeparator('.');
+		df.setMaximumFractionDigits(2);
+		df.setMinimumFractionDigits(0);
+		df.setGroupingUsed(false);
+	}
 
 	@Id
 	@GeneratedValue
@@ -91,5 +100,23 @@ public class Transaction {
 	public void setCategory(Category category) {
 		this.category = category;
 	}
+
+	@Override
+	public String toString() {
+		String s = "{ id: " + id + ", amount: " + df.format(amount) + ", date: " + date + ",  lastChange: " + lastChange + ", description: \"" + description + "\"";
+
+		if (creditor != null)
+			s += ", creditor: \"" + creditor.getName() + "\"";
+		else
+			s += ", creditor: null";
+		
+		s += ", account: " + account.getId();
+		s += ", category: \"" + category.getName() + "\"";
+		s += "}";
+		
+		return s;
+	}
+	
+	
 	
 }

src/main/java/de/tilman/transactions/domain/Withdrawal.java

@@ -3,7 +3,6 @@ package de.tilman.transactions.domain;
 import java.math.BigDecimal;
 import java.util.Date;
 
-import javax.persistence.CascadeType;
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;

src/main/java/de/tilman/transactions/repository/SpringDataRestEventHandler.java

@@ -4,6 +4,9 @@ import java.util.Date;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.springframework.data.rest.core.annotation.HandleAfterCreate;
+import org.springframework.data.rest.core.annotation.HandleAfterDelete;
+import org.springframework.data.rest.core.annotation.HandleAfterSave;
 import org.springframework.data.rest.core.annotation.HandleBeforeCreate;
 import org.springframework.data.rest.core.annotation.HandleBeforeSave;
 import org.springframework.data.rest.core.annotation.RepositoryEventHandler;
@@ -22,7 +25,21 @@ public class SpringDataRestEventHandler {
 	@HandleBeforeSave
 	public void applyUserInformationUsingSecurityContext(Transaction transaction) {
 		Date timestamp = new Date();
-		log.info("Setting date '" + timestamp + "' on transaction: " + transaction.getId() + "(" + transaction.getDescription() + ")");
 		transaction.setLastChange(timestamp);
 	}
+	
+	@HandleAfterCreate
+	public void logCreation(Transaction transaction) {
+		log.info("Created transaction: " + transaction.toString());
+	}
+	
+	@HandleAfterSave
+	public void logUpdate(Transaction transaction) {
+		log.info("Updated transaction: " + transaction.toString());
+	}
+	
+	@HandleAfterDelete
+	public void logDeletion(Transaction transaction) {
+		log.info("Deleted transaction: " + transaction.toString());
+	}
 }

src/main/java/de/tilman/transactions/repository/TransactionRepository.java

@@ -15,8 +15,8 @@ import de.tilman.transactions.domain.Transaction;
 @RepositoryRestResource(excerptProjection = TransactionInlineProjection.class)
 public interface TransactionRepository extends PagingAndSortingRepository<Transaction, Long> {
 	
-//	@RestResource(exported = false)
+	@RestResource(exported = false)
-//	Page<Transaction> findAll(Pageable pageable);
+	Page<Transaction> findAll(Pageable pageable);
 
 //	@PreAuthorize("hasRole('ROLE_ADMIN')")
 //	@Override