feat: make assignedTo field accept multiple values for all collections

src/rts/rts.service.ts

@@ -13,11 +13,12 @@ import {
   getTaggedUsersFilter,
   PageQueryParams,
 } from "../pagination";
-import { getUserWithoutPopulate } from "../user/user.service";
+import { getUser, getUserWithoutPopulate } from "../user/user.service";
 import mongoose from "mongoose";
 import { rtsPipeline } from "../utils/pipeline";
 import { createAlert } from "../alert/alert.service";
 import { createNote } from "../note/note.service";
+import { arrayDiff } from "../utils/diff";
 
 export async function createRts(
   input: CreateRtsInput,
@@ -126,7 +127,7 @@ export async function listRts(
         from: "users",
         localField: "assignedTo",
         foreignField: "_id",
-        as: "assignedToRec",
+        as: "assignedTo",
       },
     },
     {
@@ -180,13 +181,14 @@ export async function listRts(
           },
         },
         assignedTo: {
-          $let: {
-            vars: { assignedTo: { $arrayElemAt: ["$assignedToRec", 0] } },
+          $map: {
+            input: "$assignedTo",
+            as: "user",
             in: {
-              _id: "$$assignedTo._id",
-              pid: "$$assignedTo.pid",
-              name: "$$assignedTo.name",
-              avatar: "$$assignedTo.avatar",
+              _id: "$$user._id",
+              pid: "$$user.pid",
+              name: "$$user.name",
+              avatar: "$$user.avatar",
             },
           },
         },
@@ -222,6 +224,7 @@ export async function updateRts(
   input: UpdateRtsInput,
   user: AuthenticatedUser
 ) {
+  const oldRts = await rtsModel.findOne({ pid: id }, { assignedTo: 1 });
   const updatedRts = await rtsModel
     .findOneAndUpdate({ pid: id, tenantId: user.tenantId }, input, {
       new: true,
@@ -241,14 +244,39 @@ export async function updateRts(
   }
 
   if (updatedRts && input.assignedTo) {
-    await createAlert(
-      user.tenantId,
-      `You are assigned to RTS`,
-      "user",
-      input.assignedTo,
-      updatedRts.pid,
-      "rts"
+    const newAssignees = arrayDiff(
+      updatedRts.assignedTo.map((item) => item._id),
+      oldRts.assignedTo
     );
+
+    if (newAssignees.length > 0) {
+      let msg = "Assigned to:\n\n";
+
+      for (const assignee of newAssignees) {
+        const user = await getUser(assignee);
+        if (!user) continue;
+
+        msg += `${user.firstName + " " + user.lastName}\n`;
+
+        await createAlert(
+          user.tenantId,
+          `You are assigned to RTS`,
+          "user",
+          assignee,
+          updatedRts.pid,
+          "rts"
+        );
+      }
+
+      await createNote(
+        {
+          content: msg,
+        },
+        id,
+        "rts",
+        user
+      );
+    }
   }
 
   return updatedRts;