Ghost.init()

- Modified jsonDataProvider to return promises for findAll and save
- Move the dataProvider initialization into the Ghost.init() function.
- Created basic unit test

app.js

@@ -29,7 +29,8 @@
          * @type {Ghost}
          */
         ghost = new Ghost(),
-        ghostGlobals = ghost.globals();
+        // This is assigned after the call to ghost.init() below
+        ghostGlobals;
 
 
 
@@ -99,7 +100,10 @@
     // Expose the promise we will resolve after our pre-loading
     ghost.loaded = loading.promise;
 
-    when.all([ghost.dataProvider().init(), filters.loadCoreFilters(ghost), helpers.loadCoreHelpers(ghost)]).then(function () {
+    when.all([ghost.init(), filters.loadCoreFilters(ghost), helpers.loadCoreHelpers(ghost)]).then(function () {
+
+        // Assign the globals we have loaded
+        ghostGlobals = ghost.globals();
 
         /**
          * API routes..

core/admin/controllers/index.js

@@ -116,8 +116,6 @@
             if (req.params.id !== undefined) {
                 api.posts.read({id: parseInt(req.params.id, 10)})
                     .then(function (post) {
-                        // res.flash('success', 'test');
-                        console.log('this thing runs');
                         res.render('editor', {
                             bodyClass: 'editor',
                             adminNav: setSelected(adminNavbar, 'content'),

core/ghost.js

@@ -7,6 +7,7 @@
 
     // ## Setup Prerequisites
     var config = require('./../config'),
+        when = require('when'),
         express = require('express'),
         path = require('path'),
         hbs = require('express-hbs'),
@@ -47,7 +48,6 @@
             plugin,
             polyglot;
 
-
         if (!instance) {
             // this.init();
             instance = this;
@@ -64,7 +64,7 @@
             _.extend(instance, {
                 app: function () { return app; },
                 config: function () { return config; },
-                globals: function () { return instance.init(); }, // there's no management here to be sure this has loaded
+                globals: function () { return instance.globalsData; }, // there's no management here to be sure this has loaded
                 dataProvider: function () { return bookshelfDataProvider; },
                 statuses: function () { return statuses; },
                 polyglot: function () { return polyglot; },
@@ -85,12 +85,14 @@
     };
 
     Ghost.prototype.init = function() {
-        var globals;
-        jsonDataProvider.save(config.blogData);
-        jsonDataProvider.findAll(function (error, data) {
-            globals = data;
+        var initGlobals = jsonDataProvider.save(config.blogData).then(function () {
+            return jsonDataProvider.findAll().then(function (data) {
+                // We must have an instance to be able to call ghost.init(), right?
+                instance.globalsData = data;
             });
-        return globals;
+        });
+
+        return when.all([initGlobals, instance.dataProvider().init()]);
     };
 
     /**

core/shared/models/dataProvider.json.js

@@ -16,8 +16,8 @@
             instance = this;
             _.extend(instance, {
                 data: [],
-                findAll: function(callback) {
-                    callback(null, instance.data);
+                findAll: function() {
+                    return when(instance.data);
                 },
                 save: function (globals) {
                     _.each(globals, function (global, key) {

core/test/ghost/ghost_spec.js

@@ -4,6 +4,8 @@
     "use strict";
 
     var should = require('should'),
+        when = require('when'),
+        sinon = require('sinon'),
         Ghost = require('../../ghost');
 
     describe("Ghost API", function () {
@@ -15,6 +17,31 @@
             should.strictEqual(ghost1, ghost2);
         });
 
+        it("uses init() to initialize", function (done) {
+            var ghost = new Ghost(),
+                fakeDataProvider = {
+                    init: function() {
+                        return when.resolve();
+                    }
+                },
+                dataProviderInitSpy = sinon.spy(fakeDataProvider, "init");
+
+            // Stub out the dataProvider
+            sinon.stub(ghost, "dataProvider", function () {
+                return fakeDataProvider;
+            });
+
+            should.not.exist(ghost.globals());
+
+            ghost.init().then(function () {
+                should.exist(ghost.globals());
+
+                dataProviderInitSpy.called.should.equal(true);
+
+                done();
+            }, done);
+        });
+
     });
 
 }());