Unset preferred email when corresponding external ID is deleted

Change-Id: I4971bdda4fafa7d526fa564694afffcaac82014d
Signed-off-by: Edwin Kempin <ekempin@google.com>

gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/account/ExternalIdIT.java

@@ -16,6 +16,7 @@ package com.google.gerrit.acceptance.rest.account;
 
 import static com.google.common.truth.Truth.assertThat;
 import static com.google.gerrit.acceptance.GitUtil.fetch;
+import static com.google.gerrit.server.account.externalids.ExternalId.SCHEME_MAILTO;
 import static com.google.gerrit.server.account.externalids.ExternalId.SCHEME_USERNAME;
 import static com.google.gerrit.server.group.SystemGroupBackend.REGISTERED_USERS;
 import static org.junit.Assert.fail;
@@ -24,6 +25,7 @@ import com.github.rholder.retry.BlockStrategy;
 import com.github.rholder.retry.Retryer;
 import com.github.rholder.retry.RetryerBuilder;
 import com.github.rholder.retry.StopStrategies;
+import com.google.common.collect.ImmutableList;
 import com.google.gerrit.acceptance.AbstractDaemonTest;
 import com.google.gerrit.acceptance.GerritConfig;
 import com.google.gerrit.acceptance.PushOneCommit;
@@ -127,6 +129,18 @@ public class ExternalIdIT extends AbstractDaemonTest {
     assertThat(results).containsExactlyElementsIn(expectedIds);
   }
 
+  @Test
+  public void deleteExternalIdOfPreferredEmail() throws Exception {
+    String preferredEmail = gApi.accounts().self().get().email;
+    assertThat(preferredEmail).isNotNull();
+
+    gApi.accounts()
+        .self()
+        .deleteExternalIds(
+            ImmutableList.of(ExternalId.Key.create(SCHEME_MAILTO, preferredEmail).get()));
+    assertThat(gApi.accounts().self().get().email).isNull();
+  }
+
   @Test
   public void deleteExternalIds_Conflict() throws Exception {
     List<String> toDelete = new ArrayList<>();

gerrit-server/src/main/java/com/google/gerrit/server/account/DeleteExternalIds.java

@@ -24,12 +24,10 @@ import com.google.gerrit.extensions.restapi.Response;
 import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.RestModifyView;
 import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
-import com.google.gerrit.reviewdb.client.Account;
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.server.CurrentUser;
 import com.google.gerrit.server.account.externalids.ExternalId;
 import com.google.gerrit.server.account.externalids.ExternalIds;
-import com.google.gerrit.server.account.externalids.ExternalIdsUpdate;
 import com.google.gwtorm.server.OrmException;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
@@ -40,25 +38,19 @@ import java.util.Map;
 import org.eclipse.jgit.errors.ConfigInvalidException;
 
 public class DeleteExternalIds implements RestModifyView<AccountResource, List<String>> {
-  private final AccountByEmailCache accountByEmailCache;
+  private final AccountManager accountManager;
-  private final AccountCache accountCache;
   private final ExternalIds externalIds;
-  private final ExternalIdsUpdate.User externalIdsUpdateFactory;
   private final Provider<CurrentUser> self;
   private final Provider<ReviewDb> dbProvider;
 
   @Inject
   DeleteExternalIds(
-      AccountByEmailCache accountByEmailCache,
+      AccountManager accountManager,
-      AccountCache accountCache,
       ExternalIds externalIds,
-      ExternalIdsUpdate.User externalIdsUpdateFactory,
       Provider<CurrentUser> self,
       Provider<ReviewDb> dbProvider) {
-    this.accountByEmailCache = accountByEmailCache;
+    this.accountManager = accountManager;
-    this.accountCache = accountCache;
     this.externalIds = externalIds;
-    this.externalIdsUpdateFactory = externalIdsUpdateFactory;
     this.self = self;
     this.dbProvider = dbProvider;
   }
@@ -74,7 +66,6 @@ public class DeleteExternalIds implements RestModifyView<AccountResource, List<S
       throw new BadRequestException("external IDs are required");
     }
 
-    Account.Id accountId = resource.getUser().getAccountId();
     Map<ExternalId.Key, ExternalId> externalIdMap =
         externalIds
             .byAccount(dbProvider.get(), resource.getUser().getAccountId())
@@ -100,12 +91,14 @@ public class DeleteExternalIds implements RestModifyView<AccountResource, List<S
       }
     }
 
-    if (!toDelete.isEmpty()) {
+    try {
-      externalIdsUpdateFactory.create().delete(dbProvider.get(), toDelete);
+      for (ExternalId extId : toDelete) {
-      accountCache.evict(accountId);
+        AuthRequest authRequest = new AuthRequest(extId.key());
-      for (ExternalId e : toDelete) {
+        authRequest.setEmailAddress(extId.email());
-        accountByEmailCache.evict(e.email());
+        accountManager.unlink(extId.accountId(), authRequest);
       }
+    } catch (AccountException e) {
+      throw new ResourceConflictException(e.getMessage());
     }
 
     return Response.none();