Add post preview via uuid (/p/:uuid)

Refs TryGhost#5097 - All drafts will show a preview link (this needs real css) - Published posts will redirect - Powered by ~10 pints between the two of us (@ErisDS, @novaugust)
novaugust · Apr 30, 2015 · 134e289 · 134e289
1 parent 18638d3
commit 134e289
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Showing 11 changed files with 133 additions and 27 deletions.
diff --git a/core/client/app/models/post.js b/core/client/app/models/post.js
@@ -35,6 +35,17 @@ var Post = DS.Model.extend(NProgressSaveMixin, ValidationEngine, {
         return this.get('ghostPaths.url').join(blogUrl, postUrl);
     }),
 
+    previewUrl: Ember.computed('uuid', 'ghostPaths.url', 'config.blogUrl', 'config.routeKeywords.preview', function () {
+        var blogUrl = this.get('config.blogUrl'),
+            uuid = this.get('uuid'),
+            previewKeyword = this.get('config.routeKeywords.preview');
+        // New posts don't have a preview
+        if (!uuid) {
+            return '';
+        }
+        return this.get('ghostPaths.url').join(blogUrl, previewKeyword, uuid);
+    }),
+
     scratch: null,
     titleScratch: null,
 

diff --git a/core/client/app/styles/layouts/editor.scss b/core/client/app/styles/layouts/editor.scss
@@ -692,6 +692,13 @@ body.zen {
     }
 }//.post-settings-menu
 
+.post-preview-link {
+    position: absolute;
+    top: 0;
+    right: 0;
+    font-size: 1.3rem;
+}
+
 
 //
 // Post Settings Menu meta Data

diff --git a/core/client/app/templates/post-settings-menu.hbs b/core/client/app/templates/post-settings-menu.hbs
@@ -11,6 +11,11 @@
             <form>
             <div class="form-group">
                 <label for="url">Post URL</label>
+                {{#if model.isDraft}}
+                <a class="post-preview-link" target="_blank" href="{{model.previewUrl}}">
+                    Preview<span class="icon-external"></span>
+                </a>
+                {{/if}}
                 <span class="input-icon icon-link">
                     {{gh-input class="post-setting-slug" id="url" value=slugValue name="post-setting-slug" focus-out="updateSlug" selectOnClick="true" stopEnterKeyDownPropagation="true"}}
                 </span>

diff --git a/core/client/app/utils/config-parser.js b/core/client/app/utils/config-parser.js
@@ -11,6 +11,8 @@ var isNumeric = function (num) {
             return false;
         } else if (isNumeric(val)) {
             return +val;
+        } else if (val.indexOf('{') === 0) {
+            return JSON.parse(val);
         } else {
             return val;
         }

diff --git a/core/server/api/configuration.js b/core/server/api/configuration.js
@@ -16,7 +16,8 @@ function getValidKeys() {
             database: config.database.client,
             mail: _.isObject(config.mail) ? config.mail.transport : '',
             blogUrl: config.url.replace(/\/$/, ''),
-            blogTitle: config.theme.title
+            blogTitle: config.theme.title,
+            routeKeywords: JSON.stringify(config.routeKeywords)
         };
 
     return validKeys;

diff --git a/core/server/api/posts.js b/core/server/api/posts.js
@@ -64,20 +64,20 @@ posts = {
 
     /**
      * ### Read
-     * Find a post, by ID or Slug
+     * Find a post, by ID, UUID, or Slug
      *
      * @public
      * @param {{id_or_slug (required), context, status, include, ...}} options
      * @return {Promise(Post)} Post
      */
     read: function read(options) {
-        var attrs = ['id', 'slug', 'status'],
+        var attrs = ['id', 'slug', 'status', 'uuid'],
             data = _.pick(options, attrs);
 
         options = _.omit(options, attrs);
 
         // only published posts if no user is present
-        if (!(options.context && options.context.user)) {
+        if (!data.uuid && !(options.context && options.context.user)) {
             data.status = 'published';
         }
 

diff --git a/core/server/config/index.js b/core/server/config/index.js
@@ -205,7 +205,8 @@ ConfigManager.prototype.set = function (config) {
         routeKeywords: {
             tag: 'tag',
             author: 'author',
-            page: 'page'
+            page: 'page',
+            preview: 'p'
         },
         slugs: {
             // Used by generateSlug to generate slugs for posts, tags, users, ..

diff --git a/core/server/controllers/frontend.js b/core/server/controllers/frontend.js
@@ -123,6 +123,25 @@ function getActiveThemePaths() {
     });
 }
 
+/*
+* Sets the response context around a post and renders it
+* with the current theme's post view. Used by post preview
+* and single post methods.
+* Returns a function that takes the post to be rendered.
+*/
+function renderPost(req, res) {
+    return function (post) {
+        return getActiveThemePaths().then(function (paths) {
+            var view = template.getThemeViewForPost(paths, post),
+                response = formatResponse(post);
+
+            setResponseContext(req, res, response);
+
+            res.render(view, response);
+        });
+    };
+}
+
 frontendControllers = {
     homepage: function (req, res, next) {
         // Parse the page number
@@ -271,6 +290,32 @@ frontendControllers = {
         }).catch(handleError(next));
     },
 
+    preview: function (req, res, next) {
+        var params = {
+                uuid: req.params.uuid,
+                status: 'all',
+                include: 'author,tags,fields'
+            };
+
+        // Query database to find post
+        api.posts.read(params).then(function (result) {
+            var post = result.posts[0];
+
+            if (!post) {
+                return next();
+            }
+
+            if (post.status === 'published') {
+                return res.redirect(301, config.urlFor('post', {post: post}));
+            }
+
+            setReqCtx(req, post);
+
+            filters.doFilter('prePostsRender', post, res.locals)
+                .then(renderPost(req, res, post));
+        });
+    },
+
     single: function (req, res, next) {
         var path = req.path,
             params,
@@ -336,16 +381,8 @@ frontendControllers = {
 
                 setReqCtx(req, post);
 
-                filters.doFilter('prePostsRender', post, res.locals).then(function (post) {
-                    getActiveThemePaths().then(function (paths) {
-                        var view = template.getThemeViewForPost(paths, post),
-                            response = formatResponse(post);
-
-                        setResponseContext(req, res, response);
-
-                        res.render(view, response);
-                    });
-                });
+                filters.doFilter('prePostsRender', post, res.locals)
+                    .then(renderPost(req, res, post));
             }
 
             // If we've checked the path with the static permalink structure

diff --git a/core/server/routes/frontend.js b/core/server/routes/frontend.js
@@ -7,7 +7,8 @@ var frontend    = require('../controllers/frontend'),
 
 frontendRoutes = function () {
     var router = express.Router(),
-        subdir = config.paths.subdir;
+        subdir = config.paths.subdir,
+        routeKeywords = config.routeKeywords;
 
     // ### Admin routes
     router.get(/^\/(logout|signout)\/$/, function redirect(req, res) {
@@ -37,19 +38,22 @@ frontendRoutes = function () {
     });
 
     // Tags
-    router.get('/' + config.routeKeywords.tag + '/:slug/rss/', frontend.rss);
-    router.get('/' + config.routeKeywords.tag + '/:slug/rss/:page/', frontend.rss);
-    router.get('/' + config.routeKeywords.tag + '/:slug/' + config.routeKeywords.page + '/:page/', frontend.tag);
-    router.get('/' + config.routeKeywords.tag + '/:slug/', frontend.tag);
+    router.get('/' + routeKeywords.tag + '/:slug/rss/', frontend.rss);
+    router.get('/' + routeKeywords.tag + '/:slug/rss/:page/', frontend.rss);
+    router.get('/' + routeKeywords.tag + '/:slug/' + routeKeywords.page + '/:page/', frontend.tag);
+    router.get('/' + routeKeywords.tag + '/:slug/', frontend.tag);
 
     // Authors
-    router.get('/' + config.routeKeywords.author + '/:slug/rss/', frontend.rss);
-    router.get('/' + config.routeKeywords.author + '/:slug/rss/:page/', frontend.rss);
-    router.get('/' + config.routeKeywords.author + '/:slug/' + config.routeKeywords.page + '/:page/', frontend.author);
-    router.get('/' + config.routeKeywords.author + '/:slug/', frontend.author);
+    router.get('/' + routeKeywords.author + '/:slug/rss/', frontend.rss);
+    router.get('/' + routeKeywords.author + '/:slug/rss/:page/', frontend.rss);
+    router.get('/' + routeKeywords.author + '/:slug/' + routeKeywords.page + '/:page/', frontend.author);
+    router.get('/' + routeKeywords.author + '/:slug/', frontend.author);
+
+    // Post Live Preview
+    router.get('/' + routeKeywords.preview + '/:uuid', frontend.preview);
 
     // Default
-    router.get('/' + config.routeKeywords.page + '/:page/', frontend.homepage);
+    router.get('/' + routeKeywords.page + '/:page/', frontend.homepage);
     router.get('/', frontend.homepage);
     router.get('*', frontend.single);
 

diff --git a/core/test/functional/routes/frontend_spec.js b/core/test/functional/routes/frontend_spec.js
@@ -118,6 +118,42 @@ describe('Frontend Routing', function () {
             });
         });
 
+        describe('Post preview', function () {
+            it('should display draft posts accessed via uuid', function (done) {
+                request.get('/p/d52c42ae-2755-455c-80ec-70b2ec55c903/')
+                    .expect('Content-Type', /html/)
+                    .expect(200)
+                    .end(function (err, res) {
+                        if (err) {
+                            return done(err);
+                        }
+
+                        var $ = cheerio.load(res.text);
+
+                        should.not.exist(res.headers['x-cache-invalidate']);
+                        should.not.exist(res.headers['X-CSRF-Token']);
+                        should.not.exist(res.headers['set-cookie']);
+                        should.exist(res.headers.date);
+
+                        $('title').text().should.equal('Not finished yet');
+                        $('.content .post').length.should.equal(1);
+                        $('.poweredby').text().should.equal('Proudly published with Ghost');
+                        $('body.post-template').length.should.equal(1);
+                        $('body.tag-getting-started').length.should.equal(1);
+                        $('article.post').length.should.equal(1);
+
+                        done();
+                    });
+            });
+
+            it('should redirect published posts to their live url', function (done) {
+                request.get('/p/2ac6b4f6-e1f3-406c-9247-c94a0496d39d/')
+                    .expect(301)
+                    .expect('Location', '/short-and-sweet/')
+                    .end(doEnd(done));
+            });
+        });
+
         describe('Single post', function () {
             it('should redirect without slash', function (done) {
                 request.get('/welcome-to-ghost')

diff --git a/core/test/utils/fixtures/data-generator.js b/core/test/utils/fixtures/data-generator.js
@@ -25,13 +25,15 @@ DataGenerator.Content = {
             html: "<h2 id=\"testing\">testing</h2>\n\n<p>mctesters</p>\n\n<ul>\n<li>test</li>\n<li>line</li>\n<li>items</li>\n</ul>",
             image: "http://placekitten.com/500/200",
             meta_description: "test stuff",
-            published_at: new Date("2015-01-03")
+            published_at: new Date("2015-01-03"),
+            uuid: "2ac6b4f6-e1f3-406c-9247-c94a0496d39d"
         },
         {
             title: "Not finished yet",
             slug: "unfinished",
             markdown: "<h1>HTML Ipsum Presents</h1><p><strong>Pellentesque habitant morbi tristique</strong> senectus et netus et malesuada fames ac turpis egestas. Vestibulum tortor quam, feugiat vitae, ultricies eget, tempor sit amet, ante. Donec eu libero sit amet quam egestas semper. <em>Aenean ultricies mi vitae est.</em> Mauris placerat eleifend leo. Quisque sit amet est et sapien ullamcorper pharetra. Vestibulum erat wisi, condimentum sed, <code>commodo vitae</code>, ornare sit amet, wisi. Aenean fermentum, elit eget tincidunt condimentum, eros ipsum rutrum orci, sagittis tempus lacus enim ac dui. <a href=\"#\">Donec non enim</a> in turpis pulvinar facilisis. Ut felis.</p><h2>Header Level 2</h2><ol><li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li><li>Aliquam tincidunt mauris eu risus.</li></ol><blockquote><p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vivamus magna. Cras in mi at felis aliquet congue. Ut a est eget ligula molestie gravida. Curabitur massa. Donec eleifend, libero at sagittis mollis, tellus est malesuada tellus, at luctus turpis elit sit amet quam. Vivamus pretium ornare est.</p></blockquote><h3>Header Level 3</h3><ul><li>Lorem ipsum dolor sit amet, consectetuer adipiscing elit.</li><li>Aliquam tincidunt mauris eu risus.</li></ul><pre><code>#header h1 a{display: block;width: 300px;height: 80px;}</code></pre>",
-            status: "draft"
+            status: "draft",
+            uuid: "d52c42ae-2755-455c-80ec-70b2ec55c903"
         },
         {
             title: "Not so short, bit complex",