Remove activities when deleting work item

server/src/api/routes/TeamRoutes.js

@@ -41,7 +41,7 @@ export class TeamRoutes extends BaseRoutes {
 
     res.writeHead(200, {
       "Content-Type": "application/gzip",
-      "Content-Disposition": 'attachment; filename="team-scores.gzip"',
+      "Content-Disposition": 'attachment; filename="team-scores.json.gzip"',
     })
     readable.pipe(gzip).pipe(res)
   }

server/src/api/routes/WorkItemRoutes.js

@@ -25,6 +25,15 @@ export class WorkItemRoutes extends BaseRoutes {
       )
   }
 
+  async deleteItem(req, res, next) {
+    super.deleteItem(req, res, next)
+
+    const id = req.params._id
+    const Activity = this.db.Activity
+
+    await Activity.remove({ workItem: id })
+  }
+
   async listWorkItemActivities(req, res, next) {
     const WorkItem = this.db.WorkItem
     const aggregate = WorkItem.aggregate()