/*
 * Copyright 2020 Google LLC
 *
 * 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
 *
 *     https://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 com.google.android.gnd.persistence.remote.firestore.schema;

import com.google.android.gnd.model.User;
import com.google.android.gnd.model.feature.FeatureMutation;
import com.google.android.gnd.persistence.remote.firestore.base.FluentDocumentReference;
import com.google.firebase.firestore.DocumentReference;
import com.google.firebase.firestore.WriteBatch;

public class FeatureDocumentReference extends FluentDocumentReference {
  FeatureDocumentReference(DocumentReference ref) {
    super(ref);
  }

  /** Appends the operation described by the specified mutation to the provided write batch. */
  public void addMutationToBatch(FeatureMutation mutation, User user, WriteBatch batch) {
    switch (mutation.getType()) {
      case CREATE:
      case UPDATE:
        merge(FeatureMutationConverter.toMap(mutation, user), batch);
        break;
      case DELETE:
        // TODO: Also delete all remote observations linked to this feature.
        //  This isn't needed for local db as removing feature automatically deletes them.
        delete(batch);
        break;
      default:
        throw new IllegalArgumentException("Unknown mutation type " + mutation.getType());
    }
  }
}

@@ -1478,16 +1478,22 @@
  // TODO
+(#108)
 : Also d

Add existing issue number next to TODO