Bulk export (#684)

* First pass (working) collection export to zip

* Add export confirmation screen

* 👕

* Refactor

* Job for team export, move to tmp file, settings UI

* Export all collections job

* 👕

* Add specs

* Clarify UI

server/logistics.js

@@ -0,0 +1,94 @@
+// @flow
+import Queue from 'bull';
+import debug from 'debug';
+import Mailer from './mailer';
+import { Collection, Team } from './models';
+import { archiveCollection, archiveCollections } from './utils/zip';
+
+const log = debug('logistics');
+const logisticsQueue = new Queue('logistics', process.env.REDIS_URL);
+const mailer = new Mailer();
+const queueOptions = {
+  attempts: 2,
+  backoff: {
+    type: 'exponential',
+    delay: 60 * 1000,
+  },
+};
+
+async function exportAndEmailCollection(collectionId: string, email: string) {
+  log('Archiving collection', collectionId);
+  const collection = await Collection.findById(collectionId);
+  const filePath = await archiveCollection(collection);
+
+  log('Archive path', filePath);
+
+  mailer.export({
+    to: email,
+    attachments: [
+      {
+        filename: `${collection.name} Export.zip`,
+        path: filePath,
+      },
+    ],
+  });
+}
+
+async function exportAndEmailCollections(teamId: string, email: string) {
+  log('Archiving team', teamId);
+  const team = await Team.findById(teamId);
+  const collections = await Collection.findAll({
+    where: { teamId },
+    order: [['name', 'ASC']],
+  });
+  const filePath = await archiveCollections(collections);
+
+  log('Archive path', filePath);
+
+  mailer.export({
+    to: email,
+    attachments: [
+      {
+        filename: `${team.name} Export.zip`,
+        path: filePath,
+      },
+    ],
+  });
+}
+
+logisticsQueue.process(async job => {
+  log('Process', job.data);
+
+  switch (job.data.type) {
+    case 'export-collection':
+      return await exportAndEmailCollection(
+        job.data.collectionId,
+        job.data.email
+      );
+    case 'export-collections':
+      return await exportAndEmailCollections(job.data.teamId, job.data.email);
+    default:
+  }
+});
+
+export const exportCollection = (collectionId: string, email: string) => {
+  logisticsQueue.add(
+    {
+      type: 'export-collection',
+      collectionId,
+      email,
+    },
+    queueOptions
+  );
+};
+
+export const exportCollections = (teamId: string, email: string) => {
+  logisticsQueue.add(
+    {
+      type: 'export-collections',
+      teamId,
+      email,
+    },
+    queueOptions
+  );
+};