Use different Give links for different download types

src/app/pages/details/common/get-this-title-files/give-before-pdf/give-before-pdf.js

@@ -6,6 +6,7 @@ import {faHeart} from '@fortawesome/free-solid-svg-icons/faHeart';
 import ThankYou from './thank-you-form';
 import {enroll} from '@openstax/experiments';
 import './give-before-pdf.scss';
+import giveLinks from './give-links';
 
 function Downloading({data}) {
     return (
@@ -47,14 +48,16 @@ function GiveBeforePdfAfterConditionals({onThankYouClick, link, data, close, onD
         [close, onDownload]
     );
 
+    const [controlLink, alternateLink] = giveLinks();
     const donationExperiment = enroll({
       name: 'Donation Experiment 2023',
       variants: [
         // eslint-disable-next-line camelcase
-        {name: 'control', header_subtitle: data.header_subtitle},
+        {name: 'control', header_subtitle: data.header_subtitle, giveLink: controlLink},
         {name: 'public good',
           // eslint-disable-next-line camelcase
-          header_subtitle: 'Join us in sustaining OpenStax as a public good for years to come by giving today.'
+          header_subtitle: 'Join us in sustaining OpenStax as a public good for years to come by giving today.',
+          giveLink: alternateLink
         }
       ]
     });
@@ -80,7 +83,7 @@ function GiveBeforePdfAfterConditionals({onThankYouClick, link, data, close, onD
             </p>
             <div className="button-row">
                 <a
-                    href={data.give_link}
+                    href={donationExperiment.giveLink}
                     className="btn primary"
                     onClick={OpenGiveInNewWindow}
                     data-nudge-action="interacted"

src/app/pages/details/common/get-this-title-files/give-before-pdf/give-links.ts

@@ -0,0 +1,28 @@
+import React from 'react';
+import {useLocation} from 'react-router-dom';
+
+// Two Give link options for each of: PDF downloads, Instructor resources, Student resources
+export default function useGiveLinks() {
+    const {search} = useLocation();
+
+    return React.useMemo(() => getLinks(search), [search]);
+}
+
+function getLinks(search: string) {
+    if (search.includes('Instructor')) {
+        return [
+            'https://riceconnect.rice.edu/donation/support-openstax-instructor-resources',
+            'https://riceconnect.rice.edu/donation/support-openstax-instructor-resources-b'
+        ];
+    }
+    if (search.includes('Student')) {
+        return [
+            'https://riceconnect.rice.edu/donation/support-openstax-student-resources',
+            'https://riceconnect.rice.edu/donation/support-openstax-student-resources-b'
+        ];
+    }
+    return [
+        'https://riceconnect.rice.edu/donation/support-openstax-subject',
+        'https://riceconnect.rice.edu/donation/support-openstax-subject-b'
+    ];
+}