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/models/Event.js

@@ -1,5 +1,6 @@
 // @flow
 import { DataTypes, sequelize } from '../sequelize';
+import events from '../events';
 
 const Event = sequelize.define('event', {
   id: {
@@ -8,6 +9,7 @@ const Event = sequelize.define('event', {
     primaryKey: true,
   },
   name: DataTypes.STRING,
+  ip: DataTypes.STRING,
   data: DataTypes.JSONB,
 });
 
@@ -16,6 +18,10 @@ Event.associate = models => {
     as: 'user',
     foreignKey: 'userId',
   });
+  Event.belongsTo(models.User, {
+    as: 'actor',
+    foreignKey: 'actorId',
+  });
   Event.belongsTo(models.Collection, {
     as: 'collection',
     foreignKey: 'collectionId',
@@ -30,4 +36,52 @@ Event.associate = models => {
   });
 };
 
+Event.beforeCreate(event => {
+  if (event.ip) {
+    // cleanup IPV6 representations of IPV4 addresses
+    event.ip = event.ip.replace(/^::ffff:/, '');
+  }
+});
+
+Event.afterCreate(event => {
+  events.add(event);
+});
+
+Event.ACTIVITY_EVENTS = [
+  'users.create',
+  'documents.publish',
+  'documents.archive',
+  'documents.unarchive',
+  'documents.pin',
+  'documents.unpin',
+  'documents.delete',
+  'collections.create',
+  'collections.delete',
+];
+
+Event.AUDIT_EVENTS = [
+  'users.create',
+  'users.promote',
+  'users.demote',
+  'users.invite',
+  'users.suspend',
+  'users.activate',
+  'users.delete',
+  'documents.publish',
+  'documents.update',
+  'documents.archive',
+  'documents.unarchive',
+  'documents.pin',
+  'documents.unpin',
+  'documents.move',
+  'documents.delete',
+  'shares.create',
+  'shares.revoke',
+  'collections.create',
+  'collections.update',
+  'collections.add_user',
+  'collections.remove_user',
+  'collections.delete',
+];
+
 export default Event;