Fix plugin to support latest gerrit master changes

Bug: Issue 8404
Change-Id: I2a7a5b277dc38ee07238c3a370e16528fa5a301e
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteCommand.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteCommand.java
index 6aa5d1c..db9a4bb 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteCommand.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteCommand.java
@@ -14,9 +14,7 @@
 
 package com.googlesource.gerrit.plugins.deleteproject;
 
-import com.google.gerrit.extensions.restapi.AuthException;
-import com.google.gerrit.extensions.restapi.ResourceConflictException;
-import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.server.project.ProjectResource;
 import com.google.gerrit.server.project.ProjectState;
 import com.google.gerrit.sshd.CommandMetaData;
@@ -93,11 +91,7 @@
       }
 
       deleteProject.doDelete(rsrc, input);
-    } catch (AuthException
-        | ResourceNotFoundException
-        | ResourceConflictException
-        | OrmException
-        | IOException e) {
+    } catch (RestApiException | OrmException | IOException e) {
       die(e);
     }
   }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteLog.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteLog.java
index 875e8c2..c3aefbc 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteLog.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteLog.java
@@ -73,7 +73,9 @@
             );
 
     event.setProperty(ACCOUNT_ID, user.getAccountId().toString());
-    event.setProperty(USER_NAME, user.getUserName());
+    if (user.getUserName().isPresent()) {
+      event.setProperty(USER_NAME, user.getUserName().get());
+    }
     event.setProperty(PROJECT_NAME, project.get());
 
     if (options != null) {
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java
index 303ecd3..8d4b240 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/DeleteProject.java
@@ -23,6 +23,7 @@
 import com.google.gerrit.extensions.restapi.ResourceConflictException;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
 import com.google.gerrit.extensions.restapi.Response;
+import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.RestModifyView;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.CurrentUser;
@@ -96,8 +97,7 @@
 
   @Override
   public Object apply(ProjectResource rsrc, Input input)
-      throws ResourceNotFoundException, ResourceConflictException, OrmException, IOException,
-          AuthException {
+      throws OrmException, IOException, RestApiException {
     assertDeletePermission(rsrc);
     assertCanDelete(rsrc, input);
 
@@ -143,7 +143,7 @@
   }
 
   public void doDelete(ProjectResource rsrc, Input input)
-      throws OrmException, IOException, ResourceNotFoundException, ResourceConflictException {
+      throws OrmException, IOException, RestApiException {
     Project project = rsrc.getProjectState().getProject();
     boolean preserve = input != null && input.preserve;
     Exception ex = null;
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/HideProject.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/HideProject.java
index 97a4627..95b1c44 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/HideProject.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/HideProject.java
@@ -17,19 +17,18 @@
 import com.google.gerrit.common.data.AccessSection;
 import com.google.gerrit.extensions.annotations.PluginName;
 import com.google.gerrit.extensions.client.ProjectState;
-import com.google.gerrit.extensions.restapi.BadRequestException;
 import com.google.gerrit.extensions.restapi.ResourceConflictException;
 import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestApiException;
 import com.google.gerrit.extensions.restapi.TopLevelResource;
-import com.google.gerrit.extensions.restapi.UnprocessableEntityException;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.config.PluginConfigFactory;
 import com.google.gerrit.server.git.MetaDataUpdate;
 import com.google.gerrit.server.git.ProjectConfig;
 import com.google.gerrit.server.permissions.PermissionBackendException;
-import com.google.gerrit.server.project.CreateProject;
 import com.google.gerrit.server.project.ProjectCache;
 import com.google.gerrit.server.project.ProjectResource;
+import com.google.gerrit.server.restapi.project.CreateProject;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import java.io.IOException;
@@ -60,8 +59,7 @@
     this.pluginName = pluginName;
   }
 
-  public void apply(ProjectResource rsrc)
-      throws ResourceNotFoundException, ResourceConflictException, IOException {
+  public void apply(ProjectResource rsrc) throws IOException, RestApiException {
     try {
       MetaDataUpdate md = metaDataUpdateFactory.create(rsrc.getNameKey());
 
@@ -90,16 +88,11 @@
     }
   }
 
-  private void createProjectIfMissing(String projectName)
-      throws ResourceConflictException, IOException {
+  private void createProjectIfMissing(String projectName) throws IOException, RestApiException {
     if (projectCache.get(new Project.NameKey(projectName)) == null) {
       try {
         createProjectFactory.create(projectName).apply(TopLevelResource.INSTANCE, null);
-      } catch (BadRequestException
-          | UnprocessableEntityException
-          | ResourceNotFoundException
-          | ConfigInvalidException
-          | PermissionBackendException e) {
+      } catch (RestApiException | ConfigInvalidException | PermissionBackendException e) {
         throw new ResourceConflictException(
             String.format("Failed to create project %s", projectName));
       }
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/database/DatabaseDeleteHandler.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/database/DatabaseDeleteHandler.java
index e6315b3..2996bd3 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/database/DatabaseDeleteHandler.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/database/DatabaseDeleteHandler.java
@@ -27,10 +27,10 @@
 import com.google.gerrit.reviewdb.server.ReviewDb;
 import com.google.gerrit.reviewdb.server.ReviewDbUtil;
 import com.google.gerrit.server.StarredChangesUtil;
+import com.google.gerrit.server.UserInitiated;
 import com.google.gerrit.server.account.AccountState;
-import com.google.gerrit.server.account.WatchConfig;
-import com.google.gerrit.server.account.WatchConfig.Accessor;
-import com.google.gerrit.server.account.WatchConfig.ProjectWatchKey;
+import com.google.gerrit.server.account.AccountsUpdate;
+import com.google.gerrit.server.account.ProjectWatches.ProjectWatchKey;
 import com.google.gerrit.server.change.AccountPatchReviewStore;
 import com.google.gerrit.server.git.GitRepositoryManager;
 import com.google.gerrit.server.git.MergeOpRepoManager;
@@ -74,7 +74,7 @@
   private final DynamicItem<AccountPatchReviewStore> accountPatchReviewStore;
   private final ChangeIndexer indexer;
   private final Provider<InternalAccountQuery> accountQueryProvider;
-  private final Provider<Accessor> watchConfig;
+  private final Provider<AccountsUpdate> accountsUpdateProvider;
 
   @Inject
   public DatabaseDeleteHandler(
@@ -87,9 +87,7 @@
       DynamicItem<AccountPatchReviewStore> accountPatchReviewStore,
       ChangeIndexer indexer,
       Provider<InternalAccountQuery> accountQueryProvider,
-      Provider<WatchConfig.Accessor> watchConfig) {
-    this.accountQueryProvider = accountQueryProvider;
-    this.watchConfig = watchConfig;
+      @UserInitiated Provider<AccountsUpdate> accountsUpdateProvider) {
     this.db = ReviewDbUtil.unwrapDb(db);
     this.queryProvider = queryProvider;
     this.repoManager = repoManager;
@@ -98,6 +96,8 @@
     this.starredChangesUtil = starredChangesUtil;
     this.accountPatchReviewStore = accountPatchReviewStore;
     this.indexer = indexer;
+    this.accountQueryProvider = accountQueryProvider;
+    this.accountsUpdateProvider = accountsUpdateProvider;
   }
 
   public Collection<String> getWarnings(Project project) throws OrmException {
@@ -205,7 +205,12 @@
       for (ProjectWatchKey watchKey : a.getProjectWatches().keySet()) {
         if (project.getNameKey().equals(watchKey.project())) {
           try {
-            watchConfig.get().deleteProjectWatches(accountId, singleton(watchKey));
+            accountsUpdateProvider
+                .get()
+                .update(
+                    "Delete Project Watches via API",
+                    accountId,
+                    u -> u.deleteProjectWatches(singleton(watchKey)));
           } catch (IOException | ConfigInvalidException e) {
             log.error(
                 "Removing watch entry for user {} in project {} failed.",
diff --git a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/projectconfig/ProjectConfigDeleteHandler.java b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/projectconfig/ProjectConfigDeleteHandler.java
index cea65c6..12fe3e9 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/deleteproject/projectconfig/ProjectConfigDeleteHandler.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/deleteproject/projectconfig/ProjectConfigDeleteHandler.java
@@ -18,13 +18,14 @@
 import com.google.common.base.Joiner;
 import com.google.common.collect.Iterables;
 import com.google.gerrit.extensions.common.ProjectInfo;
+import com.google.gerrit.extensions.restapi.ResourceConflictException;
 import com.google.gerrit.reviewdb.client.Project;
 import com.google.gerrit.server.config.AllProjectsName;
 import com.google.gerrit.server.config.AllProjectsNameProvider;
 import com.google.gerrit.server.config.SitePaths;
 import com.google.gerrit.server.permissions.PermissionBackendException;
-import com.google.gerrit.server.project.ListChildProjects;
 import com.google.gerrit.server.project.ProjectResource;
+import com.google.gerrit.server.restapi.project.ListChildProjects;
 import com.google.inject.Inject;
 import com.google.inject.Provider;
 import com.googlesource.gerrit.plugins.deleteproject.CannotDeleteProjectException;
@@ -47,19 +48,22 @@
     this.listChildProjectsProvider = listChildProjectsProvider;
   }
 
-  public void assertCanDelete(ProjectResource rsrc) throws CannotDeleteProjectException {
+  public void assertCanDelete(ProjectResource rsrc)
+      throws CannotDeleteProjectException, ResourceConflictException {
     assertIsNotAllProjects(rsrc);
     assertHasNoChildProjects(rsrc);
   }
 
-  private void assertIsNotAllProjects(ProjectResource rsrc) throws CannotDeleteProjectException {
+  private void assertIsNotAllProjects(ProjectResource rsrc)
+      throws CannotDeleteProjectException, ResourceConflictException {
     Project project = rsrc.getProjectState().getProject();
     if (project.getNameKey().equals(allProjectsName)) {
       throw new CannotDeleteProjectException("Perhaps you meant to rm -fR " + site.site_path);
     }
   }
 
-  private void assertHasNoChildProjects(ProjectResource rsrc) throws CannotDeleteProjectException {
+  private void assertHasNoChildProjects(ProjectResource rsrc)
+      throws CannotDeleteProjectException, ResourceConflictException {
     try {
       List<ProjectInfo> children = listChildProjectsProvider.get().apply(rsrc);
       if (!children.isEmpty()) {