Merge "Support listing the email addresses of an account via REST"
diff --git a/Documentation/rest-api-accounts.txt b/Documentation/rest-api-accounts.txt
index 332fe7f..8a3b24f 100644
--- a/Documentation/rest-api-accounts.txt
+++ b/Documentation/rest-api-accounts.txt
@@ -161,6 +161,40 @@
   HTTP/1.1 204 No Content
 ----
 
+[[list-account-emails]]
+List Account Emails
+~~~~~~~~~~~~~~~~~~~
+[verse]
+'GET /accounts/link:#account-id[\{account-id\}]/emails'
+
+Returns the email addresses that are configured for the specified user.
+
+.Request
+----
+  GET /accounts/self/emails HTTP/1.0
+----
+
+As response the email addresses of the user are returned as a list of
+link:#email-info[EmailInfo] entities.
+
+.Response
+----
+  HTTP/1.1 200 OK
+  Content-Disposition: attachment
+  Content-Type: application/json;charset=UTF-8
+
+  )]}'
+  [
+    {
+      "email": "john.doe@example.com",
+      "preferred": true
+    },
+    {
+      "email": "j.doe@example.com"
+    }
+  ]
+----
+
 [[list-account-capabilities]]
 List Account Capabilities
 ~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -717,6 +751,20 @@
 Number of spaces that should be used to display one tab.
 |=====================================
 
+[[email-info]]
+EmailInfo
+~~~~~~~~~
+The `EmailInfo` entity contains information about an email address of a
+user.
+
+[options="header",width="50%",cols="1,^1,5"]
+|========================
+|Field Name ||Description
+|`email`    ||The email address.
+|`preferred`|not set if `false`|
+Whether this is the preferred email address of the user.
+|========================
+
 [[query-limit-info]]
 QueryLimitInfo
 ~~~~~~~~~~~~~~
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/AccountResource.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/AccountResource.java
index 9dc423a..91294c1 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/account/AccountResource.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/AccountResource.java
@@ -26,6 +26,9 @@
   public static final TypeLiteral<RestView<Capability>> CAPABILITY_KIND =
       new TypeLiteral<RestView<Capability>>() {};
 
+  public static final TypeLiteral<RestView<Email>> EMAIL_KIND =
+      new TypeLiteral<RestView<Email>>() {};
+
   private final IdentifiedUser user;
 
   public AccountResource(IdentifiedUser user) {
@@ -57,4 +60,17 @@
       return user.getCapabilities().canPerform(getCapability());
     }
   }
+
+  static class Email extends AccountResource {
+    private final String email;
+
+    public Email(IdentifiedUser user, String email) {
+      super(user);
+      this.email = email;
+    }
+
+    public String getEmail() {
+      return email;
+    }
+  }
 }
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/Emails.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/Emails.java
new file mode 100644
index 0000000..30e232f
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/Emails.java
@@ -0,0 +1,53 @@
+// Copyright (C) 2013 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.account;
+
+import com.google.gerrit.extensions.registration.DynamicMap;
+import com.google.gerrit.extensions.restapi.ChildCollection;
+import com.google.gerrit.extensions.restapi.IdString;
+import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
+import com.google.gerrit.extensions.restapi.RestView;
+import com.google.gerrit.server.account.AccountResource.Email;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+public class Emails implements
+    ChildCollection<AccountResource, AccountResource.Email> {
+  private final DynamicMap<RestView<AccountResource.Email>> views;
+  private final Provider<GetEmails> get;
+
+  @Inject
+  Emails(DynamicMap<RestView<AccountResource.Email>> views,
+      Provider<GetEmails> get) {
+    this.views = views;
+    this.get = get;
+  }
+
+  @Override
+  public RestView<AccountResource> list() {
+    return get.get();
+  }
+
+  @Override
+  public AccountResource.Email parse(AccountResource parent, IdString id)
+      throws ResourceNotFoundException {
+    throw new ResourceNotFoundException();
+  }
+
+  @Override
+  public DynamicMap<RestView<Email>> views() {
+    return views;
+  }
+}
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/GetEmails.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/GetEmails.java
new file mode 100644
index 0000000..dcd95bb
--- /dev/null
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/GetEmails.java
@@ -0,0 +1,79 @@
+// Copyright (C) 2013 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.account;
+
+import com.google.common.collect.Lists;
+import com.google.gerrit.extensions.restapi.AuthException;
+import com.google.gerrit.extensions.restapi.RestReadView;
+import com.google.gerrit.reviewdb.client.AccountExternalId;
+import com.google.gerrit.reviewdb.server.ReviewDb;
+import com.google.gerrit.server.CurrentUser;
+import com.google.gerrit.server.IdentifiedUser;
+import com.google.gwtorm.server.OrmException;
+import com.google.gwtorm.server.ResultSet;
+import com.google.inject.Inject;
+import com.google.inject.Provider;
+
+import java.util.List;
+
+public class GetEmails implements RestReadView<AccountResource> {
+
+  private final Provider<CurrentUser> self;
+  private final Provider<ReviewDb> dbProvider;
+
+  @Inject
+  public GetEmails(Provider<CurrentUser> self, Provider<ReviewDb> dbProvider) {
+    this.self = self;
+    this.dbProvider = dbProvider;
+  }
+
+  @Override
+  public List<EmailInfo> apply(AccountResource rsrc) throws AuthException,
+      OrmException {
+    if (!(self.get() instanceof IdentifiedUser)) {
+      throw new AuthException("Authentication required");
+    }
+    IdentifiedUser s = (IdentifiedUser) self.get();
+    if (s.getAccountId().get() != rsrc.getUser().getAccountId().get()
+        && !s.getCapabilities().canAdministrateServer()) {
+      throw new AuthException("not allowed to list email addresses");
+    }
+
+    List<EmailInfo> emails = Lists.newArrayList();
+    ResultSet<AccountExternalId> ids =
+        dbProvider.get().accountExternalIds()
+            .byAccount(rsrc.getUser().getAccountId());
+    for (AccountExternalId extId : ids) {
+      String email = extId.getEmailAddress();
+      if (email != null) {
+        EmailInfo e = new EmailInfo();
+        e.email = email;
+        e.setPreferred(email.equals(rsrc.getUser().getAccount()
+            .getPreferredEmail()));
+        emails.add(e);
+      }
+    }
+    return emails;
+  }
+
+  public static class EmailInfo {
+    public String email;
+    public Boolean preferred;
+
+    void setPreferred(boolean preferred) {
+      this.preferred = preferred ? true : null;
+    }
+  }
+}
diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java b/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java
index 534a2cb..eaca51f 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/account/Module.java
@@ -16,6 +16,7 @@
 
 import static com.google.gerrit.server.account.AccountResource.ACCOUNT_KIND;
 import static com.google.gerrit.server.account.AccountResource.CAPABILITY_KIND;
+import static com.google.gerrit.server.account.AccountResource.EMAIL_KIND;
 
 import com.google.gerrit.extensions.registration.DynamicMap;
 import com.google.gerrit.extensions.restapi.RestApiModule;
@@ -28,6 +29,7 @@
     bind(Capabilities.class);
 
     DynamicMap.mapOf(binder(), ACCOUNT_KIND);
+    DynamicMap.mapOf(binder(), EMAIL_KIND);
     DynamicMap.mapOf(binder(), CAPABILITY_KIND);
 
     put(ACCOUNT_KIND).to(PutAccount.class);
@@ -35,6 +37,7 @@
     get(ACCOUNT_KIND, "name").to(GetName.class);
     put(ACCOUNT_KIND, "name").to(PutName.class);
     delete(ACCOUNT_KIND, "name").to(PutName.class);
+    child(ACCOUNT_KIND, "emails").to(Emails.class);
     get(ACCOUNT_KIND, "avatar").to(GetAvatar.class);
     get(ACCOUNT_KIND, "avatar.change.url").to(GetAvatarChangeUrl.class);
     child(ACCOUNT_KIND, "capabilities").to(Capabilities.class);