From dbfd6207290d1eee53fddec4c7c3b4aac0b2d47a Mon Sep 17 00:00:00 2001
From: David Lawrence <dkl@mozilla.com>
Date: Wed, 8 Apr 2015 18:48:36 +0100
Subject: Bug 1051056: The REST API needs to be versioned so that new changes
 can be made that do not break compatibility r=dylan,a=glob

---
 extensions/Example/API/1_0/Resource/Example.pm | 59 ++++++++++++++++++++++++++
 extensions/Example/Config.pm                   |  8 ++++
 extensions/Example/Extension.pm                | 27 +++++++-----
 3 files changed, 83 insertions(+), 11 deletions(-)
 create mode 100644 extensions/Example/API/1_0/Resource/Example.pm

(limited to 'extensions/Example')

diff --git a/extensions/Example/API/1_0/Resource/Example.pm b/extensions/Example/API/1_0/Resource/Example.pm
new file mode 100644
index 000000000..c4c5f9a32
--- /dev/null
+++ b/extensions/Example/API/1_0/Resource/Example.pm
@@ -0,0 +1,59 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# This Source Code Form is "Incompatible With Secondary Licenses", as
+# defined by the Mozilla Public License, v. 2.0.
+
+package Bugzilla::API::1_0::Resource::Example;
+
+use 5.10.1;
+use strict;
+use warnings;
+use parent qw(Bugzilla::API::1_0::Resource);
+use Bugzilla::Error;
+
+#############
+# Constants #
+#############
+
+use constant READ_ONLY => qw(
+    hello
+    throw_an_error
+);
+
+use constant PUBLIC_METHODS => qw(
+    hello
+    throw_an_error
+);
+
+sub REST_RESOURCES {
+    my $rest_resources = [
+        qr{^/hello$}, {
+            GET  => {
+                method => 'hello'
+            }
+        },
+        qr{^/throw_an_error$}, {
+            GET => {
+                method => 'throw_an_error'
+            }
+        }
+    ];
+    return $rest_resources;
+}
+
+###########
+# Methods #
+###########
+
+# This can be called as Example.hello() from the WebService.
+sub hello {
+    return {
+        message => 'Hello!'
+    };
+}
+
+sub throw_an_error { ThrowUserError('example_my_error') }
+
+1;
diff --git a/extensions/Example/Config.pm b/extensions/Example/Config.pm
index e7782ef6c..16708e3f8 100644
--- a/extensions/Example/Config.pm
+++ b/extensions/Example/Config.pm
@@ -29,4 +29,12 @@ use constant OPTIONAL_MODULES => [
     },
 ];
 
+# The map determines which verion of
+# the Core API an extension's API modules
+# were written to work with.
+use constant API_VERSION_MAP => {
+    '1_0' => '1_0',
+    '2_0' => '1_0'
+};
+
 __PACKAGE__->NAME;
diff --git a/extensions/Example/Extension.pm b/extensions/Example/Extension.pm
index a866e85e6..1649957fd 100644
--- a/extensions/Example/Extension.pm
+++ b/extensions/Example/Extension.pm
@@ -1058,29 +1058,34 @@ sub webservice_rest_resources {
     my $resources = $args->{'resources'};
     # Add a new resource that allows for /rest/example/hello
     # to call Example.hello
-    $resources->{'Bugzilla::Extension::Example::WebService'} = [
-        qr{^/example/hello$}, {
-            GET => {
-                method => 'hello',
-            }
-        }
-    ];
+    #$resources->{'Bugzilla::Extension::Example::WebService'} = [
+    #    qr{^/example/hello$}, {
+    #        GET => {
+    #            method => 'hello',
+    #        }
+    #    }
+    #];
 }
 
-sub webservice_rest_response {
+sub webservice_rest_result {
     my ($self, $args) = @_;
-    my $rpc      = $args->{'rpc'};
-    my $result   = $args->{'result'};
-    my $response = $args->{'response'};
+    my $result = $args->{'result'};
     # Convert a list of bug hashes to a single bug hash if only one is
     # being returned.
     if (ref $$result eq 'HASH'
         && exists $$result->{'bugs'}
+        && ref $$result->{'bugs'} eq 'ARRAY'
         && scalar @{ $$result->{'bugs'} } == 1)
     {
         $$result = $$result->{'bugs'}->[0];
     }
 }
 
+sub webservice_rest_response {
+    my ($self, $args) = @_;
+    my $response = $args->{'response'};
+    $response->header('X-Example-Header', 'This is an example header');
+}
+
 # This must be the last line of your extension.
 __PACKAGE__->NAME;
-- 
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