Merge "Store submit requirements in the change index"
diff --git a/java/com/google/gerrit/server/index/change/ChangeField.java b/java/com/google/gerrit/server/index/change/ChangeField.java
index 1ee12fe..5caceef 100644
--- a/java/com/google/gerrit/server/index/change/ChangeField.java
+++ b/java/com/google/gerrit/server/index/change/ChangeField.java
@@ -70,6 +70,7 @@
 import com.google.gerrit.server.config.AllUsersName;
 import com.google.gerrit.server.index.change.StalenessChecker.RefStatePattern;
 import com.google.gerrit.server.notedb.ReviewerStateInternal;
+import com.google.gerrit.server.notedb.SubmitRequirementProtoConverter;
 import com.google.gerrit.server.project.SubmitRuleOptions;
 import com.google.gerrit.server.query.change.ChangeData;
 import com.google.gerrit.server.query.change.ChangeQueryBuilder;
@@ -1078,6 +1079,27 @@
     return result;
   }
 
+  /** Serialized submit requirements, used for pre-populating results. */
+  public static final FieldDef<ChangeData, Iterable<byte[]>> STORED_SUBMIT_REQUIREMENTS =
+      storedOnly("full_submit_requirements")
+          .buildRepeatable(
+              cd ->
+                  toProtos(
+                      SubmitRequirementProtoConverter.INSTANCE, cd.submitRequirements().values()),
+              (cd, field) -> parseSubmitRequirements(field, cd));
+
+  private static void parseSubmitRequirements(Iterable<byte[]> values, ChangeData out) {
+    out.setSubmitRequirements(
+        StreamSupport.stream(values.spliterator(), false)
+            .map(
+                f ->
+                    SubmitRequirementProtoConverter.INSTANCE.fromProto(
+                        Protos.parseUnchecked(
+                            SubmitRequirementProtoConverter.INSTANCE.getParser(), f)))
+            .collect(
+                ImmutableMap.toImmutableMap(sr -> sr.submitRequirement(), Function.identity())));
+  }
+
   /**
    * All values of all refs that were used in the course of indexing this document.
    *
diff --git a/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java b/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java
index 1fa2e1b..bee0c35 100644
--- a/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java
+++ b/java/com/google/gerrit/server/index/change/ChangeSchemaDefinitions.java
@@ -151,7 +151,11 @@
   @Deprecated static final Schema<ChangeData> V63 = schema(V62, false);
 
   /** Added support for MIN/MAX/ANY for {@link ChangeField#LABEL} */
-  static final Schema<ChangeData> V64 = schema(V63, false);
+  @Deprecated static final Schema<ChangeData> V64 = schema(V63, false);
+
+  /** Added new field for submit requirements. */
+  static final Schema<ChangeData> V65 =
+      new Schema.Builder<ChangeData>().add(V64).add(ChangeField.STORED_SUBMIT_REQUIREMENTS).build();
 
   /**
    * Name of the change index to be used when contacting index backends or loading configurations.
diff --git a/java/com/google/gerrit/server/notedb/ChangeNotesState.java b/java/com/google/gerrit/server/notedb/ChangeNotesState.java
index e7da025..4d6b9cf 100644
--- a/java/com/google/gerrit/server/notedb/ChangeNotesState.java
+++ b/java/com/google/gerrit/server/notedb/ChangeNotesState.java
@@ -61,14 +61,10 @@
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerByEmailSetEntryProto;
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerSetEntryProto;
 import com.google.gerrit.server.cache.proto.Cache.ChangeNotesStateProto.ReviewerStatusUpdateProto;
-import com.google.gerrit.server.cache.proto.Cache.SubmitRequirementResultProto;
 import com.google.gerrit.server.cache.serialize.CacheSerializer;
 import com.google.gerrit.server.cache.serialize.ObjectIdConverter;
-import com.google.gerrit.server.cache.serialize.entities.SubmitRequirementExpressionResultSerializer;
-import com.google.gerrit.server.cache.serialize.entities.SubmitRequirementSerializer;
 import com.google.gerrit.server.index.change.ChangeField.StoredSubmitRecord;
 import com.google.gson.Gson;
-import com.google.protobuf.Descriptors.FieldDescriptor;
 import java.sql.Timestamp;
 import java.time.Instant;
 import java.util.List;
@@ -478,11 +474,6 @@
     private static final Converter<String, ReviewerStateInternal> REVIEWER_STATE_CONVERTER =
         Enums.stringConverter(ReviewerStateInternal.class);
 
-    private static final FieldDescriptor SR_APPLICABILITY_EXPR_RESULT_FIELD =
-        SubmitRequirementResultProto.getDescriptor().findFieldByNumber(2);
-    private static final FieldDescriptor SR_OVERRIDE_EXPR_RESULT_FIELD =
-        SubmitRequirementResultProto.getDescriptor().findFieldByNumber(4);
-
     @Override
     public byte[] serialize(ChangeNotesState object) {
       checkArgument(object.metaId() != null, "meta ID is required in: %s", object);
@@ -539,7 +530,10 @@
       object.publishedComments().values().forEach(c -> b.addPublishedComment(GSON.toJson(c)));
       object
           .submitRequirementsResult()
-          .forEach(sr -> b.addSubmitRequirementResult(toSubmitRequirementResultProto(sr)));
+          .forEach(
+              sr ->
+                  b.addSubmitRequirementResult(
+                      SubmitRequirementProtoConverter.INSTANCE.toProto(sr)));
       b.setUpdateCount(object.updateCount());
       if (object.mergedOn() != null) {
         b.setMergedOnMillis(object.mergedOn().getTime());
@@ -634,53 +628,6 @@
       return builder.build();
     }
 
-    private static SubmitRequirementResultProto toSubmitRequirementResultProto(
-        SubmitRequirementResult r) {
-      SubmitRequirementResultProto.Builder builder = SubmitRequirementResultProto.newBuilder();
-      builder
-          .setSubmitRequirement(SubmitRequirementSerializer.serialize(r.submitRequirement()))
-          .setCommit(ObjectIdConverter.create().toByteString(r.patchSetCommitId()));
-      if (r.applicabilityExpressionResult().isPresent()) {
-        builder.setApplicabilityExpressionResult(
-            SubmitRequirementExpressionResultSerializer.serialize(
-                r.applicabilityExpressionResult().get()));
-      }
-      builder.setSubmittabilityExpressionResult(
-          SubmitRequirementExpressionResultSerializer.serialize(
-              r.submittabilityExpressionResult()));
-      if (r.overrideExpressionResult().isPresent()) {
-        builder.setOverrideExpressionResult(
-            SubmitRequirementExpressionResultSerializer.serialize(
-                r.overrideExpressionResult().get()));
-      }
-      return builder.build();
-    }
-
-    private static SubmitRequirementResult toSubmitRequirementResult(
-        SubmitRequirementResultProto proto) {
-      SubmitRequirementResult.Builder builder =
-          SubmitRequirementResult.builder()
-              .patchSetCommitId(ObjectIdConverter.create().fromByteString(proto.getCommit()))
-              .submitRequirement(
-                  SubmitRequirementSerializer.deserialize(proto.getSubmitRequirement()));
-      if (proto.hasField(SR_APPLICABILITY_EXPR_RESULT_FIELD)) {
-        builder.applicabilityExpressionResult(
-            Optional.of(
-                SubmitRequirementExpressionResultSerializer.deserialize(
-                    proto.getApplicabilityExpressionResult())));
-      }
-      builder.submittabilityExpressionResult(
-          SubmitRequirementExpressionResultSerializer.deserialize(
-              proto.getSubmittabilityExpressionResult()));
-      if (proto.hasField(SR_OVERRIDE_EXPR_RESULT_FIELD)) {
-        builder.overrideExpressionResult(
-            Optional.of(
-                SubmitRequirementExpressionResultSerializer.deserialize(
-                    proto.getOverrideExpressionResult())));
-      }
-      return builder.build();
-    }
-
     @Override
     public ChangeNotesState deserialize(byte[] in) {
       ChangeNotesStateProto proto = Protos.parseUnchecked(ChangeNotesStateProto.parser(), in);
@@ -728,7 +675,7 @@
                       .collect(toImmutableListMultimap(HumanComment::getCommitId, c -> c)))
               .submitRequirementsResult(
                   proto.getSubmitRequirementResultList().stream()
-                      .map(sr -> toSubmitRequirementResult(sr))
+                      .map(sr -> SubmitRequirementProtoConverter.INSTANCE.fromProto(sr))
                       .collect(toImmutableList()))
               .updateCount(proto.getUpdateCount())
               .mergedOn(proto.getHasMergedOn() ? new Timestamp(proto.getMergedOnMillis()) : null);
diff --git a/java/com/google/gerrit/server/notedb/SubmitRequirementProtoConverter.java b/java/com/google/gerrit/server/notedb/SubmitRequirementProtoConverter.java
new file mode 100644
index 0000000..416b850
--- /dev/null
+++ b/java/com/google/gerrit/server/notedb/SubmitRequirementProtoConverter.java
@@ -0,0 +1,88 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// 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 com.google.gerrit.server.notedb;
+
+import com.google.errorprone.annotations.Immutable;
+import com.google.gerrit.entities.SubmitRequirementResult;
+import com.google.gerrit.entities.converter.ProtoConverter;
+import com.google.gerrit.server.cache.proto.Cache.SubmitRequirementResultProto;
+import com.google.gerrit.server.cache.serialize.ObjectIdConverter;
+import com.google.gerrit.server.cache.serialize.entities.SubmitRequirementExpressionResultSerializer;
+import com.google.gerrit.server.cache.serialize.entities.SubmitRequirementSerializer;
+import com.google.protobuf.Descriptors.FieldDescriptor;
+import com.google.protobuf.Parser;
+import java.util.Optional;
+
+@Immutable
+public enum SubmitRequirementProtoConverter
+    implements ProtoConverter<SubmitRequirementResultProto, SubmitRequirementResult> {
+  INSTANCE;
+
+  private static final FieldDescriptor SR_APPLICABILITY_EXPR_RESULT_FIELD =
+      SubmitRequirementResultProto.getDescriptor().findFieldByNumber(2);
+  private static final FieldDescriptor SR_OVERRIDE_EXPR_RESULT_FIELD =
+      SubmitRequirementResultProto.getDescriptor().findFieldByNumber(4);
+
+  @Override
+  public SubmitRequirementResultProto toProto(SubmitRequirementResult r) {
+    SubmitRequirementResultProto.Builder builder = SubmitRequirementResultProto.newBuilder();
+    builder
+        .setSubmitRequirement(SubmitRequirementSerializer.serialize(r.submitRequirement()))
+        .setCommit(ObjectIdConverter.create().toByteString(r.patchSetCommitId()));
+    if (r.applicabilityExpressionResult().isPresent()) {
+      builder.setApplicabilityExpressionResult(
+          SubmitRequirementExpressionResultSerializer.serialize(
+              r.applicabilityExpressionResult().get()));
+    }
+    builder.setSubmittabilityExpressionResult(
+        SubmitRequirementExpressionResultSerializer.serialize(r.submittabilityExpressionResult()));
+    if (r.overrideExpressionResult().isPresent()) {
+      builder.setOverrideExpressionResult(
+          SubmitRequirementExpressionResultSerializer.serialize(
+              r.overrideExpressionResult().get()));
+    }
+    return builder.build();
+  }
+
+  @Override
+  public SubmitRequirementResult fromProto(SubmitRequirementResultProto proto) {
+    SubmitRequirementResult.Builder builder =
+        SubmitRequirementResult.builder()
+            .patchSetCommitId(ObjectIdConverter.create().fromByteString(proto.getCommit()))
+            .submitRequirement(
+                SubmitRequirementSerializer.deserialize(proto.getSubmitRequirement()));
+    if (proto.hasField(SR_APPLICABILITY_EXPR_RESULT_FIELD)) {
+      builder.applicabilityExpressionResult(
+          Optional.of(
+              SubmitRequirementExpressionResultSerializer.deserialize(
+                  proto.getApplicabilityExpressionResult())));
+    }
+    builder.submittabilityExpressionResult(
+        SubmitRequirementExpressionResultSerializer.deserialize(
+            proto.getSubmittabilityExpressionResult()));
+    if (proto.hasField(SR_OVERRIDE_EXPR_RESULT_FIELD)) {
+      builder.overrideExpressionResult(
+          Optional.of(
+              SubmitRequirementExpressionResultSerializer.deserialize(
+                  proto.getOverrideExpressionResult())));
+    }
+    return builder.build();
+  }
+
+  @Override
+  public Parser<SubmitRequirementResultProto> getParser() {
+    return SubmitRequirementResultProto.parser();
+  }
+}
diff --git a/java/com/google/gerrit/server/query/change/ChangeData.java b/java/com/google/gerrit/server/query/change/ChangeData.java
index f912250..9879f27 100644
--- a/java/com/google/gerrit/server/query/change/ChangeData.java
+++ b/java/com/google/gerrit/server/query/change/ChangeData.java
@@ -947,6 +947,11 @@
     return submitRequirements;
   }
 
+  public void setSubmitRequirements(
+      Map<SubmitRequirement, SubmitRequirementResult> submitRequirements) {
+    this.submitRequirements = submitRequirements;
+  }
+
   public List<SubmitRecord> submitRecords(SubmitRuleOptions options) {
     // If the change is not submitted yet, 'strict' and 'lenient' both have the same result. If the
     // change is submitted, SubmitRecord requested with 'strict' will contain just a single entry
diff --git a/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java b/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java
index c08aa7f..d6ae16c 100644
--- a/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java
+++ b/javatests/com/google/gerrit/acceptance/api/change/ChangeIT.java
@@ -4325,6 +4325,61 @@
   }
 
   @Test
+  public void submitRequirement_backFilledFromIndexForActiveChanges() throws Exception {
+    configSubmitRequirement(
+        project,
+        SubmitRequirement.builder()
+            .setName("code-review")
+            .setSubmittabilityExpression(SubmitRequirementExpression.create("label:code-review=+2"))
+            .setAllowOverrideInChildProjects(false)
+            .build());
+
+    PushOneCommit.Result r = createChange();
+    String changeId = r.getChangeId();
+
+    voteLabel(changeId, "code-review", 2);
+
+    // Query the change. ChangeInfo is back-filled from the change index.
+    List<ChangeInfo> changeInfos =
+        gApi.changes()
+            .query()
+            .withQuery("project:{" + project.get() + "} (status:open OR status:closed)")
+            .withOptions(ImmutableSet.of(ListChangesOption.SUBMIT_REQUIREMENTS))
+            .get();
+    assertThat(changeInfos).hasSize(1);
+    assertSubmitRequirementStatus(
+        changeInfos.get(0).submitRequirements, "code-review", Status.SATISFIED);
+  }
+
+  @Test
+  public void submitRequirement_backFilledFromIndexForClosedChanges() throws Exception {
+    configSubmitRequirement(
+        project,
+        SubmitRequirement.builder()
+            .setName("code-review")
+            .setSubmittabilityExpression(SubmitRequirementExpression.create("label:code-review=+2"))
+            .setAllowOverrideInChildProjects(false)
+            .build());
+
+    PushOneCommit.Result r = createChange();
+    String changeId = r.getChangeId();
+
+    voteLabel(changeId, "code-review", 2);
+    gApi.changes().id(changeId).current().submit();
+
+    // Query the change. ChangeInfo is back-filled from the change index.
+    List<ChangeInfo> changeInfos =
+        gApi.changes()
+            .query()
+            .withQuery("project:{" + project.get() + "} (status:open OR status:closed)")
+            .withOptions(ImmutableSet.of(ListChangesOption.SUBMIT_REQUIREMENTS))
+            .get();
+    assertThat(changeInfos).hasSize(1);
+    assertSubmitRequirementStatus(
+        changeInfos.get(0).submitRequirements, "code-review", Status.SATISFIED);
+  }
+
+  @Test
   public void fourByteEmoji() throws Exception {
     // U+1F601 GRINNING FACE WITH SMILING EYES
     String smile = new String(Character.toChars(0x1f601));