Support multiple affiliations

Author: Boltzmachine

components/utils.tsx

@@ -1,46 +1,72 @@
 export { Badges } from './badges';
 export interface Author {
   name: string;
-  affiliation: string;
+  affiliation: string[];
 }
 
 
 export function AuthorList({ authors }: { authors: Author[] }) {
-    let uniqueAffiliations = authors.map(author => author.affiliation).filter((value, index, self) => self.indexOf(value) === index);
+    // Flatten the affiliations and get unique ones
+    let uniqueAffiliations = Array.from(new Set(authors.flatMap(author => author.affiliation)));
     const affiliationIndices = uniqueAffiliations.reduce((acc, affiliation, index) => {
         acc[affiliation] = index + 1; // Start indexing from 1 for superscripts
         return acc;
     }, {} as { [key: string]: number });
-  return (
-    <div className="pb-0">
-          <div className="text-center text-xl">
-              {authors.map((author, index) => (
-                  <span key={index}>
-                      {author.name}<sup>{affiliationIndices[author.affiliation]}</sup>
-                      {index < authors.length - 1 ? ', ' : ''}
-                  </span>
-              ))}
-          </div>
-
-          {/* Display affiliation list */}
-          <div className="text-center text-lg">
-              {uniqueAffiliations.map((affiliation, index) => (
-                  <span key={index}>
-                      <sup>{index + 1}</sup> {affiliation}
-                      {index < uniqueAffiliations.length - 1 ? ', ' : ''}
-                  </span>
-              ))}
-          </div>
-    </div>
-  );
+
+    return (
+        <div className="pb-0">
+            <div className="text-center text-xl">
+                {authors.map((author, index) => (
+                    <span key={index}>
+                        {author.name}
+                        {author.affiliation.map((aff, i) => (
+                            <sup key={i}>{affiliationIndices[aff]}</sup>
+                        ))}
+                        {index < authors.length - 1 ? ', ' : ''}
+                    </span>
+                ))}
+            </div>
+
+            {/* Display affiliation list */}
+            <div className="text-center text-lg">
+                {uniqueAffiliations.map((affiliation, index) => (
+                    <span key={index}>
+                        <sup>{index + 1}</sup> {affiliation}
+                        {index < uniqueAffiliations.length - 1 ? ', ' : ''}
+                    </span>
+                ))}
+            </div>
+        </div>
+    );
 }
 
 
 export function Authors({ authors }: { authors: string }) {
-    // authors in the format: author1, affliation1; author2, affiliation2; ...
-    const authorList = authors.split(';').map(author => {
-        const [name, affiliation] = author.split(',');
-        return { name: name.trim(), affiliation: affiliation.trim() };
+    // authors in the format: author1, affiliation1; affiliation2; author2, affiliation3; ...
+    const authorList: Author[] = [];
+    let currentAuthor: Author | null = null;
+
+    authors.split(';').forEach(part => {
+        const [name, affiliation] = part.split(',');
+
+        if (affiliation !== undefined) {
+            // New author with affiliation
+            if (currentAuthor) {
+                authorList.push(currentAuthor);
+            }
+            currentAuthor = { name: name.trim(), affiliation: [affiliation.trim()] };
+        } else {
+            if (!currentAuthor) {
+                throw new Error(`Invalid author string: ${authors}`);
+            }
+            // Additional affiliation for the current author
+            currentAuthor.affiliation.push(part.trim());
+        }
     });
+
+    if (currentAuthor) {
+        authorList.push(currentAuthor);
+    }
+
     return <AuthorList authors={authorList} />;
 }