1 files changed, 54 insertions, 20 deletions
diff --git a/models/announcements.js b/models/announcements.js
index 2cb1e1b7..f3a62244 100644
--- a/models/announcements.js
+++ b/models/announcements.js
@@ -1,23 +1,49 @@
 Announcements = new Mongo.Collection('announcements');
 
-Announcements.attachSchema(new SimpleSchema({
-  enabled: {
-    type: Boolean,
-    defaultValue: false,
-  },
-  title: {
-    type: String,
-    optional: true,
-  },
-  body: {
-    type: String,
-    optional: true,
-  },
-  sort: {
-    type: Number,
-    decimal: true,
-  },
-}));
+Announcements.attachSchema(
+  new SimpleSchema({
+    enabled: {
+      type: Boolean,
+      defaultValue: false,
+    },
+    title: {
+      type: String,
+      optional: true,
+    },
+    body: {
+      type: String,
+      optional: true,
+    },
+    sort: {
+      type: Number,
+      decimal: true,
+    },
+    createdAt: {
+      type: Date,
+      optional: true,
+      // eslint-disable-next-line consistent-return
+      autoValue() {
+        if (this.isInsert) {
+          return new Date();
+        } else {
+          this.unset();
+        }
+      },
+    },
+    modifiedAt: {
+      type: Date,
+      denyUpdate: false,
+      // eslint-disable-next-line consistent-return
+      autoValue() {
+        if (this.isInsert || this.isUpsert || this.isUpdate) {
+          return new Date();
+        } else {
+          this.unset();
+        }
+      },
+    },
+  })
+);
 
 Announcements.allow({
   update(userId) {
@@ -26,11 +52,19 @@ Announcements.allow({
   },
 });
 
+Announcements.before.update((userId, doc, fieldNames, modifier, options) => {
+  modifier.$set = modifier.$set || {};
+  modifier.$set.modifiedAt = Date.now();
+});
+
 if (Meteor.isServer) {
   Meteor.startup(() => {
+    Announcements._collection._ensureIndex({ modifiedAt: -1 });
     const announcements = Announcements.findOne({});
-    if(!announcements){
-      Announcements.insert({enabled: false, sort: 0});
+    if (!announcements) {
+      Announcements.insert({ enabled: false, sort: 0 });
     }
   });
 }
+
+export default Announcements;