Migrate account_groups.email_only_authors to capability

Added a new schema to migrate the account_groups.email_only_authors flag
to the emailReviewers global capability in All-Projects.

Change-Id: I15d330f9aa04460c7f93eb216bd7f4157cf2eb43

3 files changed, 125 insertions, 1 deletions

diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/schema/SchemaVersion.java b/gerrit-server/src/main/java/com/google/gerrit/server/schema/SchemaVersion.java
index 9caeed320e..f789300235 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/schema/SchemaVersion.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/schema/SchemaVersion.java
@@ -32,7 +32,7 @@ import java.util.List;
 /** A version of the database schema. */
 public abstract class SchemaVersion {
   /** The current schema version. */
-  public static final Class<Schema_63> C = Schema_63.class;
+  public static final Class<Schema_64> C = Schema_64.class;
 
   public static class Module extends AbstractModule {
     @Override
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/schema/Schema_64.java b/gerrit-server/src/main/java/com/google/gerrit/server/schema/Schema_64.java
new file mode 100644
index 0000000000..26890a3a6b
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/schema/Schema_64.java
@@ -0,0 +1,121 @@
+// Copyright (C) 2012 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.schema;
+
+import com.google.common.collect.Lists;
+import com.google.gerrit.common.data.AccessSection;
+import com.google.gerrit.common.data.GlobalCapability;
+import com.google.gerrit.common.data.GroupReference;
+import com.google.gerrit.common.data.Permission;
+import com.google.gerrit.reviewdb.client.AccountGroup;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.GerritPersonIdent;
+import com.google.gerrit.server.config.AllProjectsName;
+import com.google.gerrit.server.git.GitRepositoryManager;
+import com.google.gerrit.server.git.MetaDataUpdate;
+import com.google.gerrit.server.git.NoReplication;
+import com.google.gerrit.server.git.ProjectConfig;
+import com.google.gwtorm.jdbc.JdbcSchema;
+import com.google.gwtorm.server.OrmException;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+import org.eclipse.jgit.errors.ConfigInvalidException;
+import org.eclipse.jgit.errors.RepositoryNotFoundException;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.lib.Repository;
+
+import java.io.IOException;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.List;
+
+public class Schema_64 extends SchemaVersion {
+  private final AllProjectsName allProjects;
+  private final GitRepositoryManager mgr;
+  private final PersonIdent serverUser;
+
+  @Inject
+  Schema_64(Provider<Schema_63> prior,
+      AllProjectsName allProjects,
+      GitRepositoryManager mgr,
+      @GerritPersonIdent PersonIdent serverUser) {
+    super(prior);
+    this.allProjects = allProjects;
+    this.mgr = mgr;
+    this.serverUser = serverUser;
+  }
+
+  @Override
+  protected void migrateData(ReviewDb db, UpdateUI ui)
+      throws OrmException, SQLException {
+    List<GroupReference> groups = Lists.newArrayList();
+    Statement stmt = ((JdbcSchema) db).getConnection().createStatement();
+    try {
+      ResultSet rs = stmt.executeQuery(
+          "SELECT group_uuid, name FROM account_groups WHERE email_only_authors = 'Y'");
+      try {
+        while (rs.next()) {
+          AccountGroup.UUID uuid = new AccountGroup.UUID(rs.getString(1));
+          GroupReference group = new GroupReference(uuid, rs.getString(2));
+          groups.add(group);
+        }
+      } finally {
+        rs.close();
+      }
+    } finally {
+      stmt.close();
+    }
+
+    if (groups.isEmpty()) {
+      return;
+    }
+    ui.message("Moved account_groups.email_only_authors to 'Email Reviewers' capability");
+
+    Repository git;
+    try {
+      git = mgr.openRepository(allProjects);
+    } catch (RepositoryNotFoundException e) {
+      throw new OrmException(e);
+    }
+    try {
+      MetaDataUpdate md =
+          new MetaDataUpdate(new NoReplication(), allProjects, git);
+      md.getCommitBuilder().setAuthor(serverUser);
+      md.getCommitBuilder().setCommitter(serverUser);
+
+      ProjectConfig config = ProjectConfig.read(md);
+      AccessSection section =
+          config.getAccessSection(AccessSection.GLOBAL_CAPABILITIES, true);
+      Permission capability =
+          section.getPermission(GlobalCapability.EMAIL_REVIEWERS, true);
+      for (GroupReference group : groups) {
+        capability.getRule(config.resolve(group), true).setDeny();
+      }
+
+      md.setMessage("Upgrade to Gerrit Code Review schema 64\n");
+      if (!config.commit(md)) {
+        throw new OrmException("Cannot update " + allProjects);
+      }
+    } catch (IOException e) {
+      throw new OrmException(e);
+    } catch (ConfigInvalidException e) {
+      throw new OrmException(e);
+    } finally {
+      git.close();
+    }
+  }
+}
diff --git a/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryDatabase.java b/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryDatabase.java
index 32868f02d4..a44f84f659 100644
--- a/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryDatabase.java
+++ b/gerrit-server/src/test/java/com/google/gerrit/testutil/InMemoryDatabase.java
@@ -117,6 +117,9 @@ public class InMemoryDatabase implements SchemaFactory<ReviewDb> {
                   .annotatedWith(GerritPersonIdent.class) //
                   .toProvider(GerritPersonIdentProvider.class);
 
+              bind(AllProjectsName.class)
+                  .toInstance(new AllProjectsName("All-Projects"));
+
               bind(GitRepositoryManager.class) //
                   .to(LocalDiskRepositoryManager.class);
             }