add a mechanism to reload data

src/components/orchestrator/UseLunatic.tsx

@@ -19,6 +19,8 @@ import { useQuestionnaireTitle } from './useQuestionnaireTitle';
 import { useRedirectIfAlreadyValidated } from './useRedirectIfAlreadyValidated';
 import { useSaving } from './useSaving';
 import { usePrevious } from '../../lib/commons/usePrevious';
+import { useRefreshData } from './useRefreshData';
+import { LunaticData } from '../../typeLunatic/type';
 
 export function createPersonalizationMap(
 	personalization: Array<PersonalizationElement>
@@ -50,6 +52,7 @@ export function UseLunatic(props: PropsWithChildren<OrchestratorProps>) {
 		Record<string, string | number | boolean | Array<string>>
 	>({});
 	const { data, stateData, personalization = [] } = surveyUnitData ?? {};
+	const [currentData, setCurrentData] = useState<LunaticData | undefined>(data);
 	const { currentPage: pageFromAPI, state } = stateData ?? {};
 	const [refreshControls, setRefreshControls] = useState(false);
 	const shouldSync = useRef(false);
@@ -109,7 +112,9 @@ export function UseLunatic(props: PropsWithChildren<OrchestratorProps>) {
 		compileControls,
 		pageTag,
 		pager,
-	} = useLunatic(source, data, args);
+	} = useLunatic(source, currentData, args);
+
+	useRefreshData({ pageTag, refreshData: setCurrentData });
 
 	useEffect(() => {
 		(

src/components/orchestrator/useRefreshData.ts

@@ -0,0 +1,27 @@
+import { useContext, useEffect } from 'react';
+import { useMetadata } from '../../hooks/useMetadata';
+import { loadSourceDataContext } from '../loadSourceData/LoadSourceDataContext';
+import { LunaticData } from '../../typeLunatic/type';
+
+type Args = {
+	pageTag?: string;
+	refreshData: (data: LunaticData) => void;
+};
+
+export function useRefreshData({ pageTag, refreshData }: Args) {
+	const { getSurveyUnitData } = useContext(loadSourceDataContext);
+	const metadata = useMetadata();
+	const pages = metadata?.refreshDataOnPages;
+
+	useEffect(() => {
+		if (pageTag && pages) {
+			if (pages.indexOf(pageTag) !== -1) {
+				getSurveyUnitData?.().then((su) => {
+					if (su) {
+						refreshData(su.data);
+					}
+				});
+			}
+		}
+	}, [pageTag, pages, refreshData, getSurveyUnitData]);
+}

src/typeStromae/type.ts

@@ -162,4 +162,5 @@ export type MetadataSurvey = {
 	Submit: SubmitType;
 	redirections: Record<string, string>;
 	errorPage: Record<string, string>;
+	refreshDataOnPages?: Array<string>;
 } & { optionalPages: Record<string, OptionalPage> };