dealing with ISO-8601 UTC date time

src/main/java/com/example/apispringgradleb2boost/service/PartnerService.java

@@ -14,6 +14,7 @@ import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
 import javax.validation.constraints.Min;
+import java.time.ZonedDateTime;
 import java.util.Arrays;
 import java.util.Locale;
 import java.util.Optional;
@@ -40,7 +41,7 @@ public class PartnerService {
     }
 
     public Partner savePartner(Partner partner) {
-        if (localeIsValid(partner.getLocale())) {
+        if (localeIsValid(partner.getLocale()) && utcDateTimeValidation(partner.getExpirationTime())) {
             return partnerRepository.save(partner);
         } else {
             return null;
@@ -63,7 +64,7 @@ public class PartnerService {
             currentPartner.setLocale(locale);
         }
         String expirationTime = partner.getExpirationTime();
-        if (expirationTime != null) {
+        if (utcDateTimeValidation(expirationTime)) {
             currentPartner.setExpirationTime(expirationTime);
         }
         savePartner(currentPartner);
@@ -90,4 +91,23 @@ public class PartnerService {
             ));
         }
     }
+
+    /**
+     * DateTime validation (ISO-8601 UTC date time) before calling database
+     *
+     * @param utcDateTimeToCheck
+     * @return Boolean
+     */
+    private Boolean utcDateTimeValidation(String utcDateTimeToCheck) {
+        try {
+            ZonedDateTime.parse(utcDateTimeToCheck);
+            return true;
+        } catch (Exception e) {
+            throw new CustomError(HttpStatus.BAD_REQUEST.value(), new Gson().toJson(
+                    new CustomError(HttpStatus.BAD_REQUEST.value(),
+                            String.format("Date %s is an invalid ISO-8601 UTC date time! Should be something like %s",
+                                    utcDateTimeToCheck, "2017-10-03T12:18:46+00:00"))
+            ));
+        }
+    }
 }

src/main/resources/data.sql

@@ -1,13 +1,13 @@
 INSERT INTO partners (company_name, ref, locale, expires)
-VALUES ('B2boost', 'FYI1', 'en_BE', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Proximus', 'FYI2', 'en_BE', TIMESTAMP '2022-05-23 12:18:46'),
-       ('KBC Bank', 'FYI3', 'en_BE', TIMESTAMP '2022-05-23 12:18:46'),
-       ('AB InBev', 'FYI4', 'en_BE', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Spotify', 'FYI5', 'sv_SE', TIMESTAMP '2022-05-23 12:18:46'),
-       ('AMSOM-Habitat', 'FYI6', 'fr_FR', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Microsoft', 'FYI7', 'en_US', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Sony', 'FYI8', 'ja_JP', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Intel', 'FYI9', 'en_US', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Cisco', 'FYI10', 'en_US', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Dell', 'FYI11', 'en_US', TIMESTAMP '2022-05-23 12:18:46'),
-       ('Canonical', 'FYI12', 'en_US', TIMESTAMP '2022-05-23 12:18:46');
+VALUES ('B2boost', 'FYI1', 'en_BE', '2022-11-24T17:46:00+01:00'),
+       ('Proximus', 'FYI2', 'en_BE', '2022-11-24T17:46:00+01:00'),
+       ('KBC Bank', 'FYI3', 'en_BE', '2022-11-24T17:46:00+01:00'),
+       ('AB InBev', 'FYI4', 'en_BE', '2022-11-24T17:46:00+01:00'),
+       ('Spotify', 'FYI5', 'sv_SE', '2022-11-24T17:46:00+01:00'),
+       ('AMSOM-Habitat', 'FYI6', 'fr_FR', '2022-11-24T17:46:00+01:00'),
+       ('Microsoft', 'FYI7', 'en_US', '2022-11-24T17:46:00-04:00'),
+       ('Sony', 'FYI8', 'ja_JP', '2022-11-24T17:46:00+09:00'),
+       ('Intel', 'FYI9', 'en_US', '2022-11-24T17:46:00-04:00'),
+       ('Cisco', 'FYI10', 'en_US', '2022-11-24T17:46:00-04:00'),
+       ('Dell', 'FYI11', 'en_US', '2022-11-24T17:46:00-04:00'),
+       ('Canonical', 'FYI12', 'en_US', '2022-11-24T17:46:00-04:00');

src/main/resources/schema.sql

@@ -1,8 +1,8 @@
 CREATE TABLE partners
 (
     id           INT AUTO_INCREMENT PRIMARY KEY,
-    company_name VARCHAR(250) NOT NULL,
-    ref          VARCHAR(250) UNIQUE NOT NULL,
-    locale       VARCHAR(250) NOT NULL,
-    expires      DATETIME     NOT NULL
+    company_name VARCHAR(250)             NOT NULL,
+    ref          VARCHAR(250) UNIQUE      NOT NULL,
+    locale       VARCHAR(250)             NOT NULL,
+    expires      TIMESTAMP WITH TIME ZONE NOT NULL
 );