mirror of https://github.com/TryGhost/Ghost.git
91 lines
2.8 KiB
JavaScript
91 lines
2.8 KiB
JavaScript
const path = require('path');
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const express = require('express');
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const ampRouter = express.Router();
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// Dirty requires
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const common = require('../../../../server/lib/common');
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const urlService = require('../../../services/url');
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const helpers = require('../../../services/routing/helpers');
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const templateName = 'amp';
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function _renderer(req, res, next) {
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res.routerOptions = {
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type: 'custom',
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templates: templateName,
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defaultTemplate: path.resolve(__dirname, 'views', `${templateName}.hbs`)
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};
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// Renderer begin
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// Format data
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let data = req.body || {};
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// CASE: we only support amp pages for posts that are not static pages
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if (!data.post || data.post.page) {
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return next(new common.errors.NotFoundError({message: common.i18n.t('errors.errors.pageNotFound')}));
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}
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// Render Call
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return helpers.renderer(req, res, data);
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}
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// This here is a controller.
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// In fact, this whole file is nothing more than a controller + renderer & doesn't need to be a router
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function getPostData(req, res, next) {
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req.body = req.body || {};
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const urlWithoutSubdirectoryWithoutAmp = res.locals.relativeUrl.match(/(.*?\/)amp\/?$/)[1];
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/**
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* @NOTE
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*
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* We have to figure out the target permalink, otherwise it would be possible to serve a post
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* which lives in two collections.
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*
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* @TODO:
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*
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* This is not optimal and caused by the fact how apps currently work. But apps weren't designed
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* for dynamic routing.
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*
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* I think if the responsible, target router would first take care fetching/determining the post, the
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* request could then be forwarded to this app. Then we don't have to:
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*
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* 1. care about fetching the post
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* 2. care about if the post can be served
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* 3. then this app would act like an extension
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*
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* The challenge is to design different types of apps e.g. extensions of routers, standalone pages etc.
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*/
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const permalinks = urlService.getPermalinkByUrl(urlWithoutSubdirectoryWithoutAmp, {withUrlOptions: true});
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if (!permalinks) {
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return next(new common.errors.NotFoundError({
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message: common.i18n.t('errors.errors.pageNotFound')
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}));
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}
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// @NOTE: amp is not supported for static pages
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// @TODO: https://github.com/TryGhost/Ghost/issues/10548
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helpers.entryLookup(urlWithoutSubdirectoryWithoutAmp, {permalinks, query: {controller: 'postsPublic', resource: 'posts'}}, res.locals)
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.then((result) => {
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if (result && result.entry) {
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req.body.post = result.entry;
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}
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next();
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})
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.catch(next);
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}
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// AMP frontend route
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ampRouter
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.route('/')
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.get(
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getPostData,
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_renderer
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);
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module.exports = ampRouter;
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module.exports.renderer = _renderer;
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module.exports.getPostData = getPostData;
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