feat: Events / audit log (#1008)

* feat: Record events in DB

* feat: events API

* First pass, hacky activity feed

* WIP

* Reset dashboard

* feat: audit log UI
feat: store ip address

* chore: Document events.list api

* fix: command specs

* await event create

* fix: backlinks service

* tidy

* fix: Hide audit log menu item if not admin

server/api/events.js

@@ -0,0 +1,58 @@
+// @flow
+import Sequelize from 'sequelize';
+import Router from 'koa-router';
+import auth from '../middlewares/authentication';
+import pagination from './middlewares/pagination';
+import { presentEvent } from '../presenters';
+import { Event, Team, User } from '../models';
+import policy from '../policies';
+
+const Op = Sequelize.Op;
+const { authorize } = policy;
+const router = new Router();
+
+router.post('events.list', auth(), pagination(), async ctx => {
+  let { sort = 'updatedAt', direction, auditLog = false } = ctx.body;
+  if (direction !== 'ASC') direction = 'DESC';
+
+  const user = ctx.state.user;
+  const collectionIds = await user.collectionIds();
+
+  let where = {
+    name: Event.ACTIVITY_EVENTS,
+    teamId: user.teamId,
+    [Op.or]: [
+      { collectionId: collectionIds },
+      {
+        collectionId: {
+          [Op.eq]: null,
+        },
+      },
+    ],
+  };
+
+  if (auditLog) {
+    authorize(user, 'auditLog', Team);
+    where.name = Event.AUDIT_EVENTS;
+  }
+
+  const events = await Event.findAll({
+    where,
+    order: [[sort, direction]],
+    include: [
+      {
+        model: User,
+        as: 'actor',
+      },
+    ],
+    offset: ctx.state.pagination.offset,
+    limit: ctx.state.pagination.limit,
+  });
+
+  ctx.body = {
+    pagination: ctx.state.pagination,
+    data: events.map(event => presentEvent(event, auditLog)),
+  };
+});
+
+export default router;