add setDefaultDomain endpoint

src/main/java/com/staketab/minanames/controller/DomainController.java

@@ -87,4 +87,9 @@ public ResponseEntity<DomainEntity> update(@RequestBody DomainUpdateDTO domainUp
  public ResponseEntity<Boolean> isDomainNameReserved(@PathVariable String domainName) {
  return ok(domainService.isNameReserved(domainName));
  }
+
+ @PutMapping("/{id}/default")
+ public ResponseEntity<Boolean> setDefaultDomain(@PathVariable String id) {
+ return ok(domainService.setDefaultDomain(id));
+ }
 }

src/main/java/com/staketab/minanames/repository/DomainRepository.java

@@ -33,4 +33,16 @@ public interface DomainRepository extends JpaRepository<DomainEntity, String> {
  Optional<DomainEntity> findDomainEntityByDomainName(String domainName);
 
  void deleteAllByTransactionIn(Collection<PayableTransactionEntity> transaction);
+
+ @Modifying
+ @Query(nativeQuery = true,
+ value = """
+ UPDATE domains
+ SET is_default = CASE
+ WHEN id = :id THEN true
+ ELSE false
+ END
+ WHERE owner_address = (select owner_address from domains where id = :id)
+ """)
+ int setDefaultDomain(String id);
 }

src/main/java/com/staketab/minanames/service/abstraction/DomainService.java

@@ -16,4 +16,5 @@ public interface DomainService {
  Optional<DomainEntity> retrieve(String id);
  DomainEntity update(DomainUpdateDTO domainUpdateDTO);
  Boolean isNameReserved(String name);
+ Boolean setDefaultDomain(String id);
 }

src/main/java/com/staketab/minanames/service/impl/DomainServiceImpl.java

@@ -13,6 +13,7 @@
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
 
 import java.util.Optional;
 
@@ -64,4 +65,10 @@ public DomainEntity update(DomainUpdateDTO domainUpdateDTO) {
  public Boolean isNameReserved(String name) {
  return domainRepository.findDomainEntityByDomainName(name).isPresent();
  }
+
+ @Override
+ @Transactional
+ public Boolean setDefaultDomain(String id) {
+ return domainRepository.setDefaultDomain(id) > 0;
+ }
 }