From 7a49c849459d6eef14c71982e0fd454f124aef08 Mon Sep 17 00:00:00 2001
From: musa-mets <mwanjemusa@gmail.com>
Date: Mon, 18 Nov 2024 21:44:20 +0300
Subject: [PATCH] U4X-838:Add a validation rule in that the clinical encounters
 (clinical assessment form) is saved only once in a day.

---
 package.json                                  |  1 +
 packages/esm-ugandaemr-app/src/constants.ts   |  1 +
 .../src/custom-expressions/custom-apis.ts     | 27 +++++++++++++++++++
 .../custom-expressions/custom-expressions.ts  |  6 +++--
 packages/esm-ugandaemr-app/src/index.ts       |  2 ++
 5 files changed, 35 insertions(+), 2 deletions(-)

diff --git a/package.json b/package.json
index 4d51385d..d3b7bdde 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,7 @@
     },
     "devDependencies": {
         "@carbon/react": "^1.64.1",
+        "@openmrs/esm-form-engine-lib": "latest",
         "@openmrs/esm-framework": "next",
         "@openmrs/esm-patient-common-lib": "next",
         "@openmrs/esm-styleguide": "next",
diff --git a/packages/esm-ugandaemr-app/src/constants.ts b/packages/esm-ugandaemr-app/src/constants.ts
index 28f3aa44..1b88a022 100644
--- a/packages/esm-ugandaemr-app/src/constants.ts
+++ b/packages/esm-ugandaemr-app/src/constants.ts
@@ -30,3 +30,4 @@ export const REGISTRY_REGIONS_URL = 'https://nhfr-staging-api.planetsystems.co/n
 
 // privileges
 export const PRIVILEGE_UPDATE_FACILITY_CODE = 'Update Facility Code';
+export const dateFormat = 'YYYY-MM-DD';
diff --git a/packages/esm-ugandaemr-app/src/custom-expressions/custom-apis.ts b/packages/esm-ugandaemr-app/src/custom-expressions/custom-apis.ts
index 08ad04e0..58dbf0b5 100644
--- a/packages/esm-ugandaemr-app/src/custom-expressions/custom-apis.ts
+++ b/packages/esm-ugandaemr-app/src/custom-expressions/custom-apis.ts
@@ -1,5 +1,7 @@
 import { fhirBaseUrl, restBaseUrl, openmrsFetch } from '@openmrs/esm-framework';
 import { configSchema } from '@ugandaemr/esm-care-panel-app/src/config-schema';
+import dayjs from "dayjs";
+import {dateFormat} from "../constants";
 
 export async function getLatestObs(patientUuid: string, conceptUuid: string, encounterTypeUuid?: string) {
   let params = `patient=${patientUuid}&code=${conceptUuid}${
@@ -47,3 +49,28 @@ export async function getCohortCategorization(uuid: string) {
 
   return await openmrsFetch(apiUrl);
 }
+
+export async function getEncounters(patientUuid: string, encounterTypeUuid?: string) {
+  let params = `patient=${patientUuid}${encounterTypeUuid ? `&encounterType=${encounterTypeUuid}` : ''}`;
+
+  const apiUrl = `${restBaseUrl}/encounter?${params}&v=custom:(uuid,encounterDatetime,encounterType:(uuid,name))`;
+  const { data } = await openmrsFetch(apiUrl);
+
+  return (
+    data?.results?.map((encounter) => ({
+      uuid: encounter.uuid,
+      encounterDatetime: encounter.encounterDatetime,
+      encounterType: encounter.encounterType.name,
+    })) || []
+  );
+}
+
+export function getPatientEncounterDates(patientUuid: string, encounterTypeUuid: string) {
+  let params = `encounterType=${encounterTypeUuid}&patient=${patientUuid}&v=custom:(uuid,encounterDatetime)`;
+  return openmrsFetch(`${restBaseUrl}/encounter?${params}`).then(({ data }) => {
+    if (data.results.length === 0) {
+      return [];
+    }
+    return data.results.map((encounter: any) => dayjs(encounter.encounterDatetime).format(dateFormat));
+  });
+}
diff --git a/packages/esm-ugandaemr-app/src/custom-expressions/custom-expressions.ts b/packages/esm-ugandaemr-app/src/custom-expressions/custom-expressions.ts
index 6df05881..76f4dc29 100644
--- a/packages/esm-ugandaemr-app/src/custom-expressions/custom-expressions.ts
+++ b/packages/esm-ugandaemr-app/src/custom-expressions/custom-expressions.ts
@@ -1,8 +1,9 @@
-import { getCohortCategorization, getConceptDataType, getLatestObs, getPatientPrograms } from './custom-apis';
+import { getCohortCategorization, getConceptDataType, getLatestObs, getPatientPrograms, getEncounters } from './custom-apis';
 import dayjs from 'dayjs';
 import { configSchema } from '@ugandaemr/esm-care-panel-app/src/config-schema';
 import { DataSource } from '@openmrs/openmrs-form-engine-lib';
-import { OpenmrsResource } from '@openmrs/esm-framework';
+import {openmrsFetch, OpenmrsResource, restBaseUrl} from '@openmrs/esm-framework';
+import {dateFormat} from "../constants";
 
 export async function latestObs(patientId: string, conceptUuid: string) {
   const response = await getLatestObs(patientId, conceptUuid);
@@ -67,3 +68,4 @@ export class DSDMCategorizationDatasource implements DataSource<OpenmrsResource>
     return data;
   }
 }
+
diff --git a/packages/esm-ugandaemr-app/src/index.ts b/packages/esm-ugandaemr-app/src/index.ts
index d9487812..96f60082 100644
--- a/packages/esm-ugandaemr-app/src/index.ts
+++ b/packages/esm-ugandaemr-app/src/index.ts
@@ -24,6 +24,7 @@ import {
   latestObs,
   patientDSDM,
 } from './custom-expressions/custom-expressions';
+import {getPatientEncounterDates} from "./custom-expressions/custom-apis";
 
 export const importTranslation = require.context('../translations', false, /.json$/, 'lazy');
 
@@ -45,6 +46,7 @@ export function startupApp() {
   registerExpressionHelper('cusGetLatestObs', latestObs);
   registerExpressionHelper('getPatientDSMD', patientDSDM);
   registerExpressionHelper('CustomMonthsOnARTCalc', CalcMonthsOnART);
+  registerExpressionHelper('getPreviousEncounterDates', getPatientEncounterDates);
 
   registerCustomDataSource({
     name: 'dsdm_categorization_datasource',