Remove custom analytics in favor of Vercel defaults

The changes remove custom analytics tracking in favor of using Vercel's
default page view tracking functionality.

src/app/api/publications/[filename]/route.ts

@@ -1,6 +1,4 @@
 import { NextRequest, NextResponse } from "next/server";
-import { track } from "@vercel/analytics/server";
-import { parseBibtex } from "~/lib/bibtex";
 import { readFile } from "fs/promises";
 import { join } from "path";
 
@@ -16,47 +14,7 @@ export async function GET(
   }
 
   try {
-    // Read the BibTeX file to get publication metadata
-    const bibtexPath = join(process.cwd(), "public", "publications.bib");
-    const bibtexContent = await readFile(bibtexPath, "utf-8");
-    const publications = parseBibtex(bibtexContent);
-
-    // Find the publication that matches this PDF
-    const publication = publications.find(
-      (pub) =>
-        pub.paperUrl?.includes(filename) ||
-        pub.posterUrl?.includes(filename) ||
-        pub.slidesUrl?.includes(filename),
-    );
-
-    // Track the PDF access
-    if (publication) {
-      const isPoster = publication.posterUrl?.includes(filename);
-      const isSlides = publication.slidesUrl?.includes(filename);
-
-      let fileType = "paper";
-      if (isPoster) fileType = "poster";
-      if (isSlides) fileType = "slides";
-
-      await track("Publication PDF Access", {
-        title: publication.title,
-        type: publication.type,
-        year: publication.year.toString(),
-        pdf_type: fileType,
-        citation_key: publication.citationKey || "",
-        venue: publication.venue || "",
-        access_method: "direct_url",
-        filename: filename,
-      });
-    } else {
-      // Track unknown PDF access
-      await track("Unknown PDF Access", {
-        filename: filename,
-        access_method: "direct_url",
-      });
-    }
-
-    // Serve the PDF file
+    // Serve the PDF file directly - Vercel Analytics will automatically track the route access
     const pdfPath = join(process.cwd(), "public", "publications", filename);
     const pdfBuffer = await readFile(pdfPath);
 
@@ -69,13 +27,6 @@ export async function GET(
     });
   } catch (error) {
     console.error("Error serving PDF:", error);
-
-    // Track the error
-    await track("PDF Access Error", {
-      filename: filename,
-      error: error instanceof Error ? error.message : "Unknown error",
-    });
-
     return new NextResponse("PDF not found", { status: 404 });
   }
 }

src/app/publications/page.tsx

@@ -22,12 +22,7 @@ import { Skeleton } from "~/components/ui/skeleton";
 import { CardSkeleton } from "~/components/ui/skeletons";
 import type { Publication } from "~/lib/bibtex";
 import { parseBibtex } from "~/lib/bibtex";
-import {
-  trackPdfView,
-  trackDoiClick,
-  trackBibtexDownload,
-  trackSlidesView,
-} from "~/lib/analytics";
+// No custom tracking needed - Vercel automatically tracks page views
 
 export default function PublicationsPage() {
   const [publications, setPublications] = useState<Publication[]>([]);
@@ -45,15 +40,6 @@ export default function PublicationsPage() {
   }, []);
 
   const downloadBibtex = (pub: Publication) => {
-    // Track the BibTeX download
-    trackBibtexDownload({
-      publicationTitle: pub.title,
-      publicationType: pub.type,
-      publicationYear: pub.year,
-      citationKey: pub.citationKey,
-      venue: pub.venue,
-    });
-
     const {
       title,
       authors,
@@ -95,50 +81,7 @@ export default function PublicationsPage() {
     URL.revokeObjectURL(url);
   };
 
-  const handlePaperClick = (pub: Publication) => {
-    trackPdfView({
-      publicationTitle: pub.title,
-      publicationType: pub.type,
-      publicationYear: pub.year,
-      citationKey: pub.citationKey,
-      venue: pub.venue,
-      pdfType: "paper",
-    });
-  };
-
-  const handlePosterClick = (pub: Publication) => {
-    trackPdfView({
-      publicationTitle: pub.title,
-      publicationType: pub.type,
-      publicationYear: pub.year,
-      citationKey: pub.citationKey,
-      venue: pub.venue,
-      pdfType: "poster",
-    });
-  };
-
-  const handleDoiClick = (pub: Publication) => {
-    if (pub.doi) {
-      trackDoiClick({
-        publicationTitle: pub.title,
-        publicationType: pub.type,
-        publicationYear: pub.year,
-        citationKey: pub.citationKey,
-        venue: pub.venue,
-        doi: pub.doi,
-      });
-    }
-  };
-
-  const handleSlidesClick = (pub: Publication) => {
-    trackSlidesView({
-      publicationTitle: pub.title,
-      publicationType: pub.type,
-      publicationYear: pub.year,
-      citationKey: pub.citationKey,
-      venue: pub.venue,
-    });
-  };
+  // No custom click handlers needed - Vercel automatically tracks API route access
 
   return (
     <div className="space-y-6">
@@ -179,7 +122,6 @@ export default function PublicationsPage() {
                         target="_blank"
                         rel="noopener noreferrer"
                         className="text-muted-foreground hover:text-primary sm:flex-shrink-0"
-                        onClick={() => handlePaperClick(pub)}
                       >
                         <ArrowUpRight className="h-5 w-5" />
                       </Link>
@@ -222,7 +164,6 @@ export default function PublicationsPage() {
                         href={`https://doi.org/${pub.doi}`}
                         target="_blank"
                         rel="noopener noreferrer"
-                        onClick={() => handleDoiClick(pub)}
                       >
                         <Badge
                           variant="secondary"
@@ -238,7 +179,6 @@ export default function PublicationsPage() {
                         href={pub.paperUrl}
                         target="_blank"
                         rel="noopener noreferrer"
-                        onClick={() => handlePaperClick(pub)}
                       >
                         <Badge
                           variant="secondary"
@@ -254,7 +194,6 @@ export default function PublicationsPage() {
                         href={pub.posterUrl}
                         target="_blank"
                         rel="noopener noreferrer"
-                        onClick={() => handlePosterClick(pub)}
                       >
                         <Badge
                           variant="secondary"
@@ -270,7 +209,6 @@ export default function PublicationsPage() {
                         href={pub.slidesUrl}
                         target="_blank"
                         rel="noopener noreferrer"
-                        onClick={() => handleSlidesClick(pub)}
                       >
                         <Badge
                           variant="secondary"

src/lib/analytics.ts

@@ -1,111 +1,10 @@
-import { track } from "@vercel/analytics";
-
 /**
- * Analytics tracking utilities for publication interactions
+ * Analytics utilities for publication interactions
  *
- * This module provides tracking functions for various publication-related actions
- * using Vercel Analytics. It tracks paper downloads, DOI clicks, BibTeX downloads,
- * and other publication interactions with detailed metadata.
- *
- * @example
- * ```typescript
- * import { trackPdfView } from '~/lib/analytics';
- *
- * // Track when a user clicks on a paper PDF link
- * trackPdfView({
- *   publicationTitle: "My Research Paper",
- *   publicationType: "conference",
- *   publicationYear: 2024,
- *   citationKey: "Author2024",
- *   venue: "IEEE Conference",
- *   pdfType: "paper"
- * });
- * ```
+ * Since we're using Vercel's free plan, we rely on automatic page view tracking
+ * rather than custom events. The PDF proxy routes will show up in analytics
+ * as page views for /api/publications/[filename] routes.
  */
 
-export interface PublicationTrackingData {
-  publicationTitle: string;
-  publicationType: "conference" | "journal" | "workshop" | "thesis";
-  publicationYear: number;
-  linkType: "paper" | "poster" | "slides" | "doi" | "bibtex";
-  citationKey?: string;
-  venue?: string;
-}
-
-/**
- * Track publication link clicks with detailed metadata
- */
-export function trackPublicationLink(data: PublicationTrackingData) {
-  track("Publication Link Click", {
-    title: data.publicationTitle,
-    type: data.publicationType,
-    year: data.publicationYear.toString(),
-    link_type: data.linkType,
-    citation_key: data.citationKey || "",
-    venue: data.venue || "",
-  });
-}
-
-/**
- * Track BibTeX downloads specifically
- */
-export function trackBibtexDownload(
-  data: Omit<PublicationTrackingData, "linkType">,
-) {
-  track("BibTeX Download", {
-    title: data.publicationTitle,
-    type: data.publicationType,
-    year: data.publicationYear.toString(),
-    citation_key: data.citationKey || "",
-    venue: data.venue || "",
-  });
-}
-
-/**
- * Track PDF views (paper or poster)
- */
-export function trackPdfView(
-  data: Omit<PublicationTrackingData, "linkType"> & {
-    pdfType: "paper" | "poster";
-  },
-) {
-  track("Publication PDF Click", {
-    title: data.publicationTitle,
-    type: data.publicationType,
-    year: data.publicationYear.toString(),
-    pdf_type: data.pdfType,
-    citation_key: data.citationKey || "",
-    venue: data.venue || "",
-  });
-}
-
-/**
- * Track DOI clicks
- */
-export function trackDoiClick(
-  data: Omit<PublicationTrackingData, "linkType"> & { doi: string },
-) {
-  track("DOI Link Click", {
-    title: data.publicationTitle,
-    type: data.publicationType,
-    year: data.publicationYear.toString(),
-    doi: data.doi,
-    citation_key: data.citationKey || "",
-    venue: data.venue || "",
-  });
-}
-
-/**
- * Track slides clicks - user intent/engagement
- */
-export function trackSlidesView(
-  data: Omit<PublicationTrackingData, "linkType">,
-) {
-  track("Publication Slides Click", {
-    title: data.publicationTitle,
-    type: data.publicationType,
-    year: data.publicationYear.toString(),
-    citation_key: data.citationKey || "",
-    venue: data.venue || "",
-  });
-}
+// No custom tracking functions needed - Vercel automatically tracks all page views
+// including API route access at /api/publications/[filename]