Bootstrapped media inlining trigger endpoint

refs https://github.com/TryGhost/Toolbox/issues/524

- Added an endpoint to Admin API under `POST /db/media/inline` that accepts `domains` as JSON payload triggering media inlining job

ghost/core/core/server/api/endpoints/db.js

@@ -3,6 +3,7 @@ const moment = require('moment-timezone');
 const dbBackup = require('../../data/db/backup');
 const exporter = require('../../data/exporter');
 const importer = require('../../data/importer');
+const mediaInliner = require('../../services/media-inliner');
 const errors = require('@tryghost/errors');
 const models = require('../../models');
 const settingsCache = require('../../../shared/settings-cache');
@@ -93,6 +94,22 @@ module.exports = {
         }
     },
 
+    inlineMedia: {
+        permissions: {
+            method: 'importContent'
+        },
+        validation: {
+            options: {
+                include: {
+                    values: ['domains']
+                }
+            }
+        },
+        async query(frame) {
+            return mediaInliner.api.startMediaInliner(frame.data.domains);
+        }
+    },
+
     deleteAllContent: {
         headers: {
             cacheInvalidate: true

ghost/core/core/server/services/media-inliner/index.js

@@ -0,0 +1 @@
+module.exports = require('./service');

ghost/core/core/server/services/media-inliner/service.js

@@ -5,8 +5,8 @@ module.exports = {
         this.api = {
             // @NOTE: the inlining should become an offloaded job
             // startMediaInliner: mediaInliner.inlineMedia
-            startMediaInliner: () => {
-                debug('[Inliner] Starting media inlining job');
+            startMediaInliner: (domains) => {
+                debug('[Inliner] Starting media inlining job for domains: ', domains);
                 return {
                     status: 'success'
                 };

ghost/core/core/server/web/api/endpoints/admin/routes.js

@@ -205,6 +205,12 @@ module.exports = function apiRoutes() {
         http(api.db.backupContent)
     );
 
+    router.post('/db/media/inline',
+        mw.authAdminApi,
+        labs.enabledMiddleware('mediaInliner'),
+        http(api.db.inlineMedia)
+    );
+
     // ## Slack
     router.post('/slack/test', mw.authAdminApi, http(api.slack.sendTest));