Add tools/server/javascrap to open source build

java/google/registry/tools/server/javascrap/BackfillAutorenewBillingFlagAction.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.
+
+package google.registry.tools.server.javascrap;
+
+import static google.registry.mapreduce.MapreduceRunner.PARAM_DRY_RUN;
+import static google.registry.mapreduce.inputs.EppResourceInputs.createChildEntityInput;
+import static google.registry.model.ofy.ObjectifyService.ofy;
+import static google.registry.util.PipelineUtils.createJobPath;
+
+import com.google.appengine.tools.mapreduce.Input;
+import com.google.appengine.tools.mapreduce.Mapper;
+import com.google.common.collect.ImmutableList;
+import com.google.common.collect.ImmutableSet;
+
+import com.googlecode.objectify.VoidWork;
+
+import google.registry.mapreduce.MapreduceAction;
+import google.registry.mapreduce.MapreduceRunner;
+import google.registry.model.billing.BillingEvent.Flag;
+import google.registry.model.billing.BillingEvent.Recurring;
+import google.registry.model.domain.DomainResource;
+import google.registry.request.Action;
+import google.registry.request.Parameter;
+import google.registry.request.Response;
+import google.registry.util.FormattingLogger;
+
+import javax.inject.Inject;
+
+/** A mapreduce that backfills new {@link Flag#AUTO_RENEW} flag on recurring billing events. */
+@Action(path = "/_dr/task/backfillAutorenewBillingFlag")
+public class BackfillAutorenewBillingFlagAction implements MapreduceAction {
+
+  private static final FormattingLogger logger = FormattingLogger.getLoggerForCallerClass();
+
+  @Inject MapreduceRunner mrRunner;
+  @Inject @Parameter(PARAM_DRY_RUN) boolean isDryRun;
+  @Inject Response response;
+  @Inject BackfillAutorenewBillingFlagAction() {}
+
+  @Override
+  public void run() {
+    response.sendJavaScriptRedirect(createJobPath(mrRunner
+        .setJobName("Backfill AUTO_RENEW flag on Recurring billing events")
+        .setModuleName("tools")
+        .runMapOnly(
+            new BackfillAutorenewBillingFlagMapper(isDryRun),
+            ImmutableList.of(createRecurringInput()))));
+  }
+
+  private Input<? extends Recurring> createRecurringInput() {
+    return createChildEntityInput(
+        ImmutableSet.<Class<? extends DomainResource>>of(DomainResource.class),
+        ImmutableSet.<Class<? extends Recurring>>of(Recurring.class));
+  }
+
+  /** Mapper to count BillingEvent.Recurring resources. */
+  public static class BackfillAutorenewBillingFlagMapper extends Mapper<Recurring, Void, Void> {
+
+    private static final long serialVersionUID = -6576637759905280988L;
+
+    private final boolean isDryRun;
+
+    public BackfillAutorenewBillingFlagMapper(boolean isDryRun) {
+      this.isDryRun = isDryRun;
+    }
+
+    @Override
+    public final void map(final Recurring recurring) {
+      try {
+        // A note on how this works: Since OnLoad makes the backfill change for us, all we need to
+        // do is check that this condition exists on the loaded entity, and just re-save to persist
+        // the new data to datastore.
+        if (!isDryRun) {
+          ofy().transactNew(new VoidWork() {
+            @Override
+            public void vrun() {
+              ofy().save().entity(ofy().load().entity(recurring).now());
+            }
+          });
+          getContext().incrementCounter("Saved Recurring billing events");
+        }
+        getContext().incrementCounter("Recurring billing events encountered");
+      } catch (Throwable t) {
+        logger.severe(t, "Error while backfilling AUTO_RENEW flags.");
+        getContext().incrementCounter("error: " + t.getClass().getSimpleName());
+      }
+    }
+  }
+}