From 987e41e8d6da0512d2d7cab4480488b8c5866859 Mon Sep 17 00:00:00 2001
From: kirrg001 <katharina.irrgang@googlemail.com>
Date: Wed, 17 Oct 2018 09:23:57 +0200
Subject: [PATCH] Attached api version to `res.locals` context

refs #9866

- each request get's the ghost api version attached
- this makes it possible to access the version in all steps (routing, theme helpers)
---
 .../web/shared/middlewares/ghost-locals.js    |  3 +++
 .../unit/web/middleware/ghost-locals_spec.js  | 22 ++++++++++++++-----
 2 files changed, 19 insertions(+), 6 deletions(-)

diff --git a/core/server/web/shared/middlewares/ghost-locals.js b/core/server/web/shared/middlewares/ghost-locals.js
index 989ebe5417..863ca75e9b 100644
--- a/core/server/web/shared/middlewares/ghost-locals.js
+++ b/core/server/web/shared/middlewares/ghost-locals.js
@@ -1,4 +1,5 @@
 const ghostVersion = require('../../../lib/ghost-version');
+const themeService = require('../../../services/themes');
 
 // ### GhostLocals Middleware
 // Expose the standard locals that every request will need to have available
@@ -11,6 +12,8 @@ module.exports = function ghostLocals(req, res, next) {
     res.locals.safeVersion = ghostVersion.safe;
     // relative path from the URL
     res.locals.relativeUrl = req.path;
+    // make ghost api version available for the theme + routing
+    res.locals.apiVersion = themeService.getActive().engine('ghost-api');
 
     next();
 };
diff --git a/core/test/unit/web/middleware/ghost-locals_spec.js b/core/test/unit/web/middleware/ghost-locals_spec.js
index 8ba35e6ca2..c8908c5541 100644
--- a/core/test/unit/web/middleware/ghost-locals_spec.js
+++ b/core/test/unit/web/middleware/ghost-locals_spec.js
@@ -1,16 +1,24 @@
-var should = require('should'),
-    sinon = require('sinon'),
-    ghostLocals = require('../../../../server/web/shared/middlewares/ghost-locals'),
-
-    sandbox = sinon.sandbox.create();
+const should = require('should');
+const sinon = require('sinon');
+const ghostLocals = require('../../../../server/web/shared/middlewares/ghost-locals');
+const themeService = require('../../../../server/services/themes');
+const sandbox = sinon.sandbox.create();
 
 describe('Theme Handler', function () {
-    var req, res, next;
+    let req, res, next;
 
     beforeEach(function () {
         req = sandbox.spy();
         res = sandbox.spy();
         next = sandbox.spy();
+
+        sandbox.stub(themeService, 'getActive').callsFake(() => {
+           return {
+               engine() {
+                   return 'v0.1';
+               }
+           };
+        });
     });
 
     afterEach(function () {
@@ -26,7 +34,9 @@ describe('Theme Handler', function () {
             res.locals.should.be.an.Object();
             should.exist(res.locals.version);
             should.exist(res.locals.safeVersion);
+            should.exist(res.locals.apiVersion);
             res.locals.relativeUrl.should.equal(req.path);
+            res.locals.apiVersion.should.equal('v0.1');
             next.called.should.be.true();
         });
     });