Merge "Show plugins install screen at first login"
diff --git a/src/main/java/com/googlesource/gerrit/plugins/manager/FirstWebLoginListener.java b/src/main/java/com/googlesource/gerrit/plugins/manager/FirstWebLoginListener.java
new file mode 100644
index 0000000..0d18bd6
--- /dev/null
+++ b/src/main/java/com/googlesource/gerrit/plugins/manager/FirstWebLoginListener.java
@@ -0,0 +1,67 @@
+// Copyright (C) 2016 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.googlesource.gerrit.plugins.manager;
+
+import com.google.gerrit.extensions.annotations.PluginCanonicalWebUrl;
+import com.google.gerrit.extensions.annotations.PluginData;
+import com.google.gerrit.httpd.WebLoginListener;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gerrit.server.plugins.PluginLoader;
+import com.google.inject.Inject;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.StandardOpenOption;
+import java.util.Date;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class FirstWebLoginListener implements WebLoginListener {
+  private final Path pluginData;
+  private final PluginLoader pluginLoader;
+  private final String pluginUrl;
+
+  @Inject
+  public FirstWebLoginListener(PluginLoader pluginLoader,
+      @PluginData Path pluginData,
+      @PluginCanonicalWebUrl String pluginUrl) {
+    this.pluginData = pluginData;
+    this.pluginLoader = pluginLoader;
+    this.pluginUrl = pluginUrl;
+  }
+
+  @Override
+  public void onLogin(IdentifiedUser user, HttpServletRequest request,
+      HttpServletResponse response) throws IOException {
+    if (pluginLoader.isRemoteAdminEnabled()
+        && user.getCapabilities().canAdministrateServer()) {
+      Path firstLoginFile =
+          pluginData.resolve("firstLogin." + user.getAccountId().get());
+      if (!firstLoginFile.toFile().exists()) {
+        response.sendRedirect(pluginUrl + "static/index.html");
+
+        Files.write(firstLoginFile, new Date().toString().getBytes(),
+            StandardOpenOption.CREATE);
+      }
+    }
+  }
+
+  @Override
+  public void onLogout(IdentifiedUser user, HttpServletRequest request,
+      HttpServletResponse response) {
+  }
+}
diff --git a/src/main/java/com/googlesource/gerrit/plugins/manager/WebModule.java b/src/main/java/com/googlesource/gerrit/plugins/manager/WebModule.java
index 177372b..0cbc9c8 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/manager/WebModule.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/manager/WebModule.java
@@ -13,6 +13,8 @@
 // limitations under the License.
 package com.googlesource.gerrit.plugins.manager;
 
+import com.google.gerrit.extensions.registration.DynamicSet;
+import com.google.gerrit.httpd.WebLoginListener;
 import com.google.inject.servlet.ServletModule;
 
 public class WebModule extends ServletModule {
@@ -20,6 +22,8 @@
   @Override
   protected void configureServlets() {
     bind(AvailablePluginsCollection.class);
+    DynamicSet.bind(binder(), WebLoginListener.class)
+      .to(FirstWebLoginListener.class);
 
     serve("/available*").with(PluginManagerRestApiServlet.class);
 
diff --git a/src/main/resources/static/index.html b/src/main/resources/static/index.html
index 3868747..1368fe6 100644
--- a/src/main/resources/static/index.html
+++ b/src/main/resources/static/index.html
@@ -18,7 +18,12 @@
   <nav class="navbar navbar-inverse navbar-fixed-top">
     <div class="container">
       <div class="navbar-header">
-        <a class="navbar-brand" href="#">Gerrit Plugin Manager</a>
+        <a class="navbar-brand">Gerrit Plugins</a>
+      </div>
+      <div class="navbar-collapse collapse">
+        <ul class="nav navbar-nav navbar-right">
+          <li><a href="/">&gt; Go to Gerrit</a></li>
+        </ul>
       </div>
     </div>
   </nav>