v3: add @permissions to user payload

lib/travis/api/v3/access_control/user.rb

@@ -29,6 +29,10 @@ module Travis::API::V3
       organization.members.include? user
     end
 
+    def user_writable?(user)
+      user == self.user
+    end
+
     def repository_writable?(repository)
       permission?(:push, repository)
     end

lib/travis/api/v3/permissions/user.rb

@@ -0,0 +1,9 @@
+require 'travis/api/v3/permissions/generic'
+
+module Travis::API::V3
+  class Permissions::User < Permissions::Generic
+    def sync?
+      write?
+    end
+  end
+end

spec/v3/services/owner/find_spec.rb

@@ -153,6 +153,7 @@ describe Travis::API::V3::Services::Owner::Find do
       example { expect(JSON.load(body)).to be == {
         "@type"        => "user",
         "@href"        => "/v3/user/#{user.id}",
+        "@permissions" => {"read"=>true, "sync"=>false},
         "id"           => user.id,
         "login"        => "example-user",
         "name"         => nil,
@@ -169,6 +170,7 @@ describe Travis::API::V3::Services::Owner::Find do
       example { expect(JSON.load(body)).to be == {
         "@type"        => "user",
         "@href"        => "/v3/user/#{user.id}",
+        "@permissions" => {"read"=>true, "sync"=>false},
         "id"           => user.id,
         "login"        => "example-user",
         "name"         => nil,
@@ -189,6 +191,7 @@ describe Travis::API::V3::Services::Owner::Find do
       example { expect(JSON.load(body)).to be == {
         "@type"        => "user",
         "@href"        => "/v3/user/#{user.id}",
+        "@permissions" => {"read"=>true, "sync"=>false},
         "id"           => user.id,
         "login"        => "example-user",
         "name"         => nil,

spec/v3/services/user/current_spec.rb

@@ -12,6 +12,7 @@ describe Travis::API::V3::Services::User::Current do
     example { expect(JSON.load(body)).to be == {
       "@type"        => "user",
       "@href"        => "/v3/user/#{user.id}",
+      "@permissions" => {"read"=>true, "sync"=>true},
       "id"           => user.id,
       "login"        => "svenfuchs",
       "name"         =>"Sven Fuchs",

spec/v3/services/user/find_spec.rb

@@ -12,6 +12,7 @@ describe Travis::API::V3::Services::User::Find do
     example { expect(JSON.load(body)).to be ==        {
       "@type"        => "user",
       "@href"        => "/v3/user/#{user.id}",
+      "@permissions" => {"read"=>true, "sync"=>true},
       "id"           => user.id,
       "login"        => "svenfuchs",
       "name"         =>"Sven Fuchs",