add server sent events

src/permit/permit.service.ts

@@ -9,6 +9,7 @@ import {
   permitModel,
   UpdatePermitInput,
 } from "./permit.schema";
+import { ChangeEvent, dbEvents } from "../realtime";
 
 export async function createPermit(input: CreatePermitInput, tenantId: string) {
   const permit = await permitModel.create({
@@ -17,6 +18,13 @@ export async function createPermit(input: CreatePermitInput, tenantId: string) {
     ...input,
   });
 
+  dbEvents.emit("change", {
+    type: "insert",
+    collection: "permits",
+    document: permit,
+    requiredClaims: ["permit:read"],
+  } as ChangeEvent);
+
   return permit;
 }
 
@@ -172,13 +180,33 @@ export async function updatePermit(
     .populate({ path: "assignedTo", select: "pid name avatar" })
     .populate({ path: "createdBy", select: "pid name avatar" });
 
+  if (updatePermitResult) {
+    dbEvents.emit("change", {
+      type: "update",
+      collection: "permits",
+      document: updatePermitResult,
+      requiredClaims: ["permit:read"],
+    } as ChangeEvent);
+  }
+
   return updatePermitResult;
 }
 
 export async function deletePermit(permitId: string, tenantId: string) {
-  return await permitModel.deleteOne({
+  const res = await permitModel.deleteOne({
     $and: [{ tenantId: tenantId }, { pid: permitId }],
   });
+
+  dbEvents.emit("change", {
+    type: "delete",
+    collection: "permits",
+    document: {
+      pid: permitId,
+    },
+    requiredClaims: ["permit:read"],
+  } as ChangeEvent);
+
+  return res;
 }
 
 export async function searchPermit(params: PageQueryParams, tenantId: string) {