unique field route for notifications

src/notification/notification.route.ts

@@ -5,6 +5,7 @@ import {
   listNotificationsHandler,
   updateNotificationHandler,
 } from "./notification.controller";
+import { getUniqueValuesNotification } from "./notification.service";
 
 export async function notificationRoutes(fastify: FastifyInstance) {
   fastify.post(
@@ -43,4 +44,33 @@ export async function notificationRoutes(fastify: FastifyInstance) {
     },
     updateNotificationHandler
   );
+
+  fastify.get(
+    "/fields/:field",
+    {
+      schema: {
+        params: {
+          type: "object",
+          properties: {
+            field: { type: "string" },
+          },
+        },
+      },
+      config: { requiredClaims: ["notification:read"] },
+      preHandler: [fastify.authorize],
+    },
+    async (req, res) => {
+      const { field } = req.params as { field: string };
+
+      try {
+        const uniqueValues = await getUniqueValuesNotification(
+          field,
+          req.user.tenantId
+        );
+        return res.code(200).send(uniqueValues);
+      } catch (err) {
+        return err;
+      }
+    }
+  );
 }

src/notification/notification.service.ts

@@ -1,4 +1,6 @@
+import { orgModel } from "../organization/organization.schema";
 import { getFilterObject, getSortObject, PageQueryParams } from "../pagination";
+import { userModel } from "../user/user.schema";
 import { generateId } from "../utils/id";
 import {
   CreateNotificationInput,
@@ -87,3 +89,29 @@ export async function listNotifications(
     },
   };
 }
+
+export async function getUniqueValuesNotification(
+  field: string,
+  tenenatId: string
+) {
+  let values = await notificationModel.distinct(field, { tenantId: tenenatId });
+
+  let matchedValues = [];
+  if (field === "county.name") {
+    matchedValues = await orgModel.find().where("name").in(values).exec();
+  } else if (field === "client") {
+    matchedValues = await orgModel.find().where("_id").in(values).exec();
+  } else if (field === "assignedTo") {
+    matchedValues = await userModel.find().where("name").in(values).exec();
+  }
+
+  if (matchedValues.length > 0) {
+    const newValues = {};
+    for (const item of matchedValues) {
+      newValues[item.id] = item.name;
+    }
+    return newValues;
+  }
+
+  return values;
+}