almost done

lib/publications.ts

@@ -0,0 +1,65 @@
+import { parse } from "@retorquere/bibtex-parser";
+import fs from "fs";
+import path from "path";
+
+// Your existing path is correct.
+const bibliographyPath = path.join(process.cwd(), "content", "_bibliography.bib");
+
+// --- FIX: Add `pdfAvailable` to the Publication interface ---
+export interface Publication {
+  key: string;
+  title: string;
+  authors: string[];
+  journal: string;
+  year: string;
+  bibtex: string;
+  pdfUrl: string;
+  url?: string; // Also make url optional to be safe
+  pdfAvailable?: boolean; // This will hold the result of our check
+}
+
+export function getPublicationsData(): Publication[] {
+  const bibtexString = fs.readFileSync(bibliographyPath, "utf8");
+  const bibtexJson = parse(bibtexString);
+
+  return bibtexJson.entries.map((entry) => {
+    const authorNames = entry.fields.author
+      ? entry.fields.author.map(
+          (author) => `${author.firstName} ${author.lastName}`
+        )
+      : [];
+
+    let bibtexEntryString = `@${entry.type}{${entry.key},\n`;
+    for (const [key, value] of Object.entries(entry.fields)) {
+      if (key === 'author') {
+        bibtexEntryString += `  author = {${entry.fields.author
+          ? entry.fields.author.map(a => `${a.lastName}, ${a.firstName}`).join(' and ')
+          : ''}},
+`;
+      } else {
+        if (Array.isArray(value)) {
+          bibtexEntryString += `  ${key} = {${value.join(" ")}},
+`;
+        }
+      }
+    }
+    bibtexEntryString += `}`
+
+    const journalField = entry.fields.booktitle || entry.fields.journal;
+    
+    const pdfPath = path.join(process.cwd(), "public", "publications", `${entry.key}.pdf`);
+    const pdfExists = fs.existsSync(pdfPath);
+
+    return {
+      key: entry.key,
+      title: Array.isArray(entry.fields.title) ? entry.fields.title.join(" ") : entry.fields.title,
+      authors: authorNames,
+      journal: Array.isArray(journalField) ? journalField.join(" ") : journalField,
+      year: Array.isArray(entry.fields.year) ? entry.fields.year.join(" ") : entry.fields.year,
+      url: Array.isArray(entry.fields.url) ? entry.fields.url.join(" ") : entry.fields.url,
+      bibtex: bibtexEntryString,
+      pdfUrl: `/publications/${entry.key}.pdf`,
+      pdfAvailable: pdfExists, // <-- Add the result here
+    };
+  });
+}