Use a SQL date object for LocalDates (#842)

* Use a SQL date object for LocalDates

* Clean up comment

common/src/main/java/google/registry/util/DateTimeUtils.java

@@ -24,6 +24,7 @@ import java.time.ZonedDateTime;
 import java.util.TimeZone;
 import org.joda.time.DateTime;
 import org.joda.time.DateTimeZone;
+import org.joda.time.LocalDate;
 
 /** Utilities methods and constants related to Joda {@link DateTime} objects. */
 public class DateTimeUtils {
@@ -108,4 +109,12 @@ public class DateTimeUtils {
         zonedDateTime.toInstant().toEpochMilli(),
         DateTimeZone.forTimeZone(TimeZone.getTimeZone(zonedDateTime.getZone())));
   }
+
+  public static java.sql.Date toSqlDate(LocalDate localDate) {
+    return new java.sql.Date(localDate.toDateTimeAtStartOfDay().getMillis());
+  }
+
+  public static LocalDate toLocalDate(java.sql.Date date) {
+    return new LocalDate(date.getTime(), DateTimeZone.UTC);
+  }
 }

core/src/main/java/google/registry/model/reporting/Spec11ThreatMatch.java

@@ -75,7 +75,7 @@ public class Spec11ThreatMatch extends ImmutableObject implements Buildable, Sql
   String registrarId;
 
   /** Date on which the check was run, on which the domain was flagged as abusive. */
-  @Column(nullable = false)
+  @Column(nullable = false, columnDefinition = "date")
   LocalDate checkDate;
 
   /** The domain's top-level domain. */

core/src/main/java/google/registry/model/reporting/Spec11ThreatMatchDao.java

@@ -16,13 +16,15 @@ package google.registry.model.reporting;
 
 import com.google.common.collect.ImmutableList;
 import google.registry.persistence.transaction.JpaTransactionManager;
+import google.registry.util.DateTimeUtils;
+import javax.persistence.TemporalType;
 import org.joda.time.LocalDate;
 
 /**
  * Data access object for {@link google.registry.model.reporting.Spec11ThreatMatch}.
  *
  * <p>A JpaTransactionManager is passed into each static method because they are called from a BEAM
- * pipeline and we don't know where it's coming from.</p>
+ * pipeline and we don't know where it's coming from.
  */
 public class Spec11ThreatMatchDao {
 
@@ -32,7 +34,7 @@ public class Spec11ThreatMatchDao {
     jpaTm
         .getEntityManager()
         .createQuery("DELETE FROM Spec11ThreatMatch WHERE check_date = :date")
-        .setParameter("date", date.toString())
+        .setParameter("date", DateTimeUtils.toSqlDate(date), TemporalType.DATE)
         .executeUpdate();
   }
 

core/src/main/java/google/registry/persistence/converter/LocalDateConverter.java

@@ -14,17 +14,23 @@
 
 package google.registry.persistence.converter;
 
+import google.registry.util.DateTimeUtils;
+import java.sql.Date;
+import javax.persistence.AttributeConverter;
 import javax.persistence.Converter;
 import org.joda.time.LocalDate;
-import org.joda.time.format.ISODateTimeFormat;
 
-/** JPA converter for {@link LocalDate}. */
+/** JPA converter for {@link LocalDate}, to/from {@link Date}. */
 @Converter(autoApply = true)
-public class LocalDateConverter extends ToStringConverterBase<LocalDate> {
+public class LocalDateConverter implements AttributeConverter<LocalDate, Date> {
 
-  /** Converts the string (a date in ISO-8601 format) into a LocalDate. */
   @Override
-  public LocalDate convertToEntityAttribute(String columnValue) {
-    return (columnValue == null) ? null : LocalDate.parse(columnValue, ISODateTimeFormat.date());
+  public Date convertToDatabaseColumn(LocalDate attribute) {
+    return attribute == null ? null : DateTimeUtils.toSqlDate(attribute);
+  }
+
+  @Override
+  public LocalDate convertToEntityAttribute(Date dbData) {
+    return dbData == null ? null : DateTimeUtils.toLocalDate(dbData);
   }
 }

core/src/test/java/google/registry/model/reporting/Spec11ThreatMatchDaoTest.java

@@ -92,15 +92,13 @@ public class Spec11ThreatMatchDaoTest extends EntityTestCase {
   }
 
   private Spec11ThreatMatch createThreatMatch(String domainName, LocalDate date) {
-    Spec11ThreatMatch threatMatch =
-        new Spec11ThreatMatch()
-            .asBuilder()
-            .setThreatTypes(ImmutableSet.of(ThreatType.MALWARE))
-            .setCheckDate(date)
-            .setDomainName(domainName)
-            .setRegistrarId("Example Registrar")
-            .setDomainRepoId("1-COM")
-            .build();
-    return threatMatch;
+    return new Spec11ThreatMatch()
+        .asBuilder()
+        .setThreatTypes(ImmutableSet.of(ThreatType.MALWARE))
+        .setCheckDate(date)
+        .setDomainName(domainName)
+        .setRegistrarId("Example Registrar")
+        .setDomainRepoId("1-COM")
+        .build();
   }
 }

db/src/main/resources/sql/flyway.txt

@@ -62,3 +62,4 @@ V61__domain_hist_columns.sql
 V62__disable_key_auto_generation_for_history_tables.sql
 V63__add_schema_for_ds_data.sql
 V64__transfer_history_columns.sql
+V65__local_date_date_type.sql

db/src/main/resources/sql/flyway/V65__local_date_date_type.sql

@@ -0,0 +1,15 @@
+-- Copyright 2020 The Nomulus Authors. All Rights Reserved.
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+--     http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+
+ALTER TABLE "Spec11ThreatMatch" ALTER COLUMN "check_date" TYPE date USING check_date::date;

db/src/main/resources/sql/schema/db-schema.sql.generated

@@ -597,7 +597,7 @@
 
     create table "Spec11ThreatMatch" (
        id  bigserial not null,
-        check_date text not null,
+        check_date date not null,
         domain_name text not null,
         domain_repo_id text not null,
         registrar_id text not null,

db/src/main/resources/sql/schema/nomulus.golden.sql

@@ -847,7 +847,7 @@ ALTER SEQUENCE public."ReservedList_revision_id_seq" OWNED BY public."ReservedLi
 
 CREATE TABLE public."Spec11ThreatMatch" (
     id bigint NOT NULL,
-    check_date text NOT NULL,
+    check_date date NOT NULL,
     domain_name text NOT NULL,
     domain_repo_id text NOT NULL,
     registrar_id text NOT NULL,

util/src/test/java/google/registry/util/DateTimeUtilsTest.java

@@ -24,12 +24,16 @@ import static google.registry.util.DateTimeUtils.latestOf;
 import static google.registry.util.DateTimeUtils.leapSafeAddYears;
 import static google.registry.util.DateTimeUtils.leapSafeSubtractYears;
 import static google.registry.util.DateTimeUtils.toJodaDateTime;
+import static google.registry.util.DateTimeUtils.toLocalDate;
+import static google.registry.util.DateTimeUtils.toSqlDate;
 import static google.registry.util.DateTimeUtils.toZonedDateTime;
 import static org.junit.jupiter.api.Assertions.assertThrows;
 
 import com.google.common.collect.ImmutableList;
+import java.sql.Date;
 import java.time.ZonedDateTime;
 import org.joda.time.DateTime;
+import org.joda.time.LocalDate;
 import org.junit.jupiter.api.Test;
 
 /** Unit tests for {@link DateTimeUtils}. */
@@ -136,4 +140,16 @@ class DateTimeUtilsTest {
     DateTime dateTime = toJodaDateTime(zonedDateTime);
     assertThat(dateTime.toString()).isEqualTo("2016-02-29T11:22:33.168Z");
   }
+
+  @Test
+  void testSuccess_toSqlDate() {
+    LocalDate localDate = LocalDate.parse("2020-02-29");
+    assertThat(toSqlDate(localDate)).isEqualTo(Date.valueOf("2020-02-29"));
+  }
+
+  @Test
+  void testSuccess_toLocalDate() {
+    Date date = Date.valueOf("2020-02-29");
+    assertThat(toLocalDate(date)).isEqualTo(LocalDate.parse("2020-02-29"));
+  }
 }