fix: Fix base entity with date serializer (#16)

src/main/java/it/gov/pagopa/pu/debtpositions/config/json/LocalDateTimeToOffsetDateTimeSerializer.java

@@ -0,0 +1,24 @@
+package it.gov.pagopa.pu.debtpositions.config.json;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.JsonSerializer;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import org.springframework.context.annotation.Configuration;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.OffsetDateTime;
+import java.time.ZoneId;
+
+@Configuration
+public class LocalDateTimeToOffsetDateTimeSerializer extends JsonSerializer<LocalDateTime> {
+
+  @Override
+  public void serialize(LocalDateTime value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
+    if (value != null) {
+      OffsetDateTime offsetDateTime = value.atZone(ZoneId.systemDefault()).toOffsetDateTime();
+      gen.writeString(offsetDateTime.toString());
+    }
+  }
+}
+

src/main/java/it/gov/pagopa/pu/debtpositions/model/BaseEntity.java

@@ -1,5 +1,7 @@
 package it.gov.pagopa.pu.debtpositions.model;
 
+import com.fasterxml.jackson.databind.annotation.JsonSerialize;
+import it.gov.pagopa.pu.debtpositions.config.json.LocalDateTimeToOffsetDateTimeSerializer;
 import jakarta.persistence.Column;
 import jakarta.persistence.EntityListeners;
 import jakarta.persistence.MappedSuperclass;
@@ -24,8 +26,10 @@
 public abstract class BaseEntity implements Serializable {
   @Column(updatable = false)
   @CreatedDate
+  @JsonSerialize(using = LocalDateTimeToOffsetDateTimeSerializer.class)
   private LocalDateTime creationDate;
   @LastModifiedDate
+  @JsonSerialize(using = LocalDateTimeToOffsetDateTimeSerializer.class)
   private LocalDateTime updateDate;
   @LastModifiedBy
   private String updateOperatorExternalId;

src/test/java/it/gov/pagopa/pu/debtpositions/config/LocalDateTimeToOffsetDateTimeSerializerTest.java

@@ -0,0 +1,52 @@
+package it.gov.pagopa.pu.debtpositions.config;
+
+import com.fasterxml.jackson.core.JsonGenerator;
+import com.fasterxml.jackson.databind.SerializerProvider;
+import it.gov.pagopa.pu.debtpositions.config.json.LocalDateTimeToOffsetDateTimeSerializer;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.util.TimeZone;
+
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.verifyNoInteractions;
+
+@ExtendWith(MockitoExtension.class)
+class LocalDateTimeToOffsetDateTimeSerializerTest {
+
+  @Mock
+  private JsonGenerator jsonGenerator;
+
+  @Mock
+  private SerializerProvider serializerProvider;
+
+  private LocalDateTimeToOffsetDateTimeSerializer dateTimeSerializer;
+
+  @BeforeEach
+  public void setUp() {
+    dateTimeSerializer = new LocalDateTimeToOffsetDateTimeSerializer();
+  }
+
+  @Test
+  void testDateSerializer() throws IOException {
+    LocalDateTime localDateTime = LocalDateTime.of(2025, 1, 16, 9, 15, 20);
+
+    TimeZone.setDefault(TimeZone.getTimeZone("Europe/Rome"));
+
+    dateTimeSerializer.serialize(localDateTime, jsonGenerator, serializerProvider);
+
+    verify(jsonGenerator).writeString("2025-01-16T09:15:20+01:00");
+  }
+
+  @Test
+  void testNullDateSerializer() throws IOException {
+    dateTimeSerializer.serialize(null, jsonGenerator, serializerProvider);
+
+    verifyNoInteractions(jsonGenerator);
+  }
+}