Add ContactResource import utility logic

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=127765049

java/google/registry/rde/RdeImportUtils.java

@@ -0,0 +1,101 @@
+// Copyright 2016 The Domain Registry 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.
+
+// Copyright 2016 The Domain Registry 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.
+
+package google.registry.rde;
+
+import static com.google.common.base.Preconditions.checkState;
+
+import com.googlecode.objectify.Key;
+import com.googlecode.objectify.Work;
+import google.registry.model.contact.ContactResource;
+import google.registry.model.index.EppResourceIndex;
+import google.registry.model.index.ForeignKeyIndex;
+import google.registry.model.ofy.Ofy;
+import google.registry.util.Clock;
+import google.registry.util.FormattingLogger;
+import javax.inject.Inject;
+
+/** Utility functions for escrow file import. */
+public final class RdeImportUtils {
+
+  private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
+
+  private final Ofy ofy;
+  private final Clock clock;
+
+  @Inject
+  public RdeImportUtils(Ofy ofy, Clock clock) {
+    this.ofy = ofy;
+    this.clock = clock;
+  }
+
+  /**
+   * Imports a contact from an escrow file.
+   *
+   * <p>The contact will only be imported if it has not been previously imported.
+   *
+   * <p>If the contact is imported, {@link ForeignKeyIndex} and {@link EppResourceIndex} are also
+   * created.
+   *
+   * @return true if the contact was created or updated, false otherwise.
+   */
+  public boolean importContact(final ContactResource resource) {
+    return ofy.transact(
+        new Work<Boolean>() {
+          @Override
+          public Boolean run() {
+            ContactResource existing = ofy.load().key(Key.create(resource)).now();
+            if (existing == null) {
+              ForeignKeyIndex<ContactResource> existingForeignKeyIndex =
+                  ForeignKeyIndex.load(
+                      ContactResource.class, resource.getContactId(), clock.nowUtc());
+              // foreign key index should not exist, since existing contact was not found.
+              checkState(
+                  existingForeignKeyIndex == null,
+                  String.format(
+                      "New contact resource has existing foreign key index. "
+                          + "contactId=%s, repoId=%s",
+                      resource.getContactId(), resource.getRepoId()));
+              ofy.save().entity(resource);
+              ofy.save().entity(ForeignKeyIndex.create(resource, resource.getDeletionTime()));
+              ofy.save().entity(EppResourceIndex.create(Key.create(resource)));
+              logger.infofmt(
+                  "Imported contact resource - ROID=%s, id=%s",
+                  resource.getRepoId(), resource.getContactId());
+              return true;
+            } else if (!existing.getRepoId().equals(resource.getRepoId())) {
+              logger.warningfmt(
+                  "Existing contact with same contact id but different ROID. "
+                      + "contactId=%s, existing ROID=%s, new ROID=%s",
+                  resource.getContactId(), existing.getRepoId(), resource.getRepoId());
+            }
+            return false;
+          }
+        });
+  }
+}