The agriadapt from wri

Handling Multiple Worldviews

Once a user enters the site, their country is determined through request headers from CDN and saved securely to their browsing session

agriadapt/hoc/session.ts

Lines 1 to 19 in c4d10fd

 import { withIronSessionSsr } from 'iron-session/next'; 

 import { GetServerSideProps } from 'next'; 

 // Replace usage when using an architecture that supports Next.js 12's Middleware 

 export const withSession = (getServerSidePropsFunc?: GetServerSideProps) => { 

 return withIronSessionSsr( 

 async (context) => { 

 const { req } = context; 

 const worldview = 

 req.headers['cloudfront-viewer-country'] ?? 

 req.session.user?.country ?? 

 'US'; 

 // const worldview = 'IN'; 

 req.session.user = { 

 country: Array.isArray(worldview) ? worldview.join('') : worldview, 

 }; 

 await req.session.save(); 

 if (getServerSidePropsFunc) {

If the user attempts to view a dataset in Explore that is blacklisted from their worldview, they are redirected

agriadapt/pages/explore/[[...dataset]].tsx

Lines 193 to 195 in c4d10fd

 const worldview = req.session.user?.country; 

 const india_worldview = worldview === 'IN'; 

 dispatch(actions.setWorldview(worldview));

agriadapt/pages/explore/[[...dataset]].tsx

Lines 222 to 235 in c4d10fd

 if (dataset) { 

 dispatch(actions.setSelectedDataset(String(dataset))); 

 datasetData = await fetchDataset(String(dataset), { language: locale }); 

 if ( 

 india_worldview && 

 INDIA_BLACKLIST_DATASET_IDS.includes(datasetData.id) 

 ) 

 return { 

 redirect: { 

 destination: '/unauthorized', 

 permanent: false, 

 }, 

 }; 

 }

For Crop pages, the user is directed to the proper geostore supporting their worldview

agriadapt/pages/crops/coffee/[[...geostore]].tsx

Lines 28 to 40 in c4d10fd

 const worldview = req.session.user?.country; 

 const india_worldview = worldview === 'IN'; 

 dispatch(actions.setWorldview(worldview)); 

 if (india_worldview && geostore === 'fb119d758d39527a91307b7fed3debf4') 

 return { 

 redirect: { 

 destination: '/crops/coffee/1252b02f0a27cf77fd19b8298be6a8db', 

 permanent: false, 

 }, 

 };

For map widgets, a disclaimer is displayed if the user's country and the selected country are the same, and have disputed borders

agriadapt/components/widgets/types/map/component.tsx

Lines 305 to 313 in c4d10fd

 {caption && ( 

 <WidgetCaption 

 {...(worldview === 'IN' && 

 disclaimer_aoi_ids.includes(String(aoiLayer?.id)) && { 

 disclaimer: t(india_maps_disclaimer), 

 })} 

 text={caption} 

 /> 

 )}

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	import { withIronSessionSsr } from 'iron-session/next';
	import { GetServerSideProps } from 'next';

	// Replace usage when using an architecture that supports Next.js 12's Middleware
	export const withSession = (getServerSidePropsFunc?: GetServerSideProps) => {
	return withIronSessionSsr(
	async (context) => {
	const { req } = context;
	const worldview =
	req.headers['cloudfront-viewer-country'] ??
	req.session.user?.country ??
	'US';
	// const worldview = 'IN';
	req.session.user = {
	country: Array.isArray(worldview) ? worldview.join('') : worldview,
	};
	await req.session.save();

	if (getServerSidePropsFunc) {

	const worldview = req.session.user?.country;
	const india_worldview = worldview === 'IN';
	dispatch(actions.setWorldview(worldview));

	if (dataset) {
	dispatch(actions.setSelectedDataset(String(dataset)));
	datasetData = await fetchDataset(String(dataset), { language: locale });
	if (
	india_worldview &&
	INDIA_BLACKLIST_DATASET_IDS.includes(datasetData.id)
	)
	return {
	redirect: {
	destination: '/unauthorized',
	permanent: false,
	},
	};
	}

	{caption && (
	<WidgetCaption
	{...(worldview === 'IN' &&
	disclaimer_aoi_ids.includes(String(aoiLayer?.id)) && {
	disclaimer: t(india_maps_disclaimer),
	})}
	text={caption}
	/>
	)}