update pricing i guess

app/static/transactions.js

@@ -4,6 +4,8 @@ document.addEventListener('DOMContentLoaded', function() {
         showTransactionModal();
     });
 
+    document.getElementById('downloadTcgplayerUpdateBtn').addEventListener('click', downloadTcgplayerUpdateFile);
+
     document.getElementById('addVendorBtn').addEventListener('click', () => {
         const vendorName = prompt('Enter vendor name:');
         if (vendorName) {
@@ -1074,4 +1076,38 @@ async function saveTransaction() {
         console.error('Error saving transaction:', error);
         alert('Failed to save transaction. Please try again.');
     }
+}
+
+// TCGPlayer Update File Functions
+async function downloadTcgplayerUpdateFile() {
+    try {
+        const response = await fetch('/api/inventory/tcgplayer/update-file');
+        if (!response.ok) {
+            throw new Error('Failed to download TCGPlayer update file');
+        }
+        
+        // Get the filename from the Content-Disposition header
+        const contentDisposition = response.headers.get('Content-Disposition');
+        let filename = 'tcgplayer_update_file.csv';
+        if (contentDisposition) {
+            const filenameMatch = contentDisposition.match(/filename=(.+)/);
+            if (filenameMatch) {
+                filename = filenameMatch[1];
+            }
+        }
+
+        // Create a blob from the response and download it
+        const blob = await response.blob();
+        const url = window.URL.createObjectURL(blob);
+        const a = document.createElement('a');
+        a.href = url;
+        a.download = filename;
+        document.body.appendChild(a);
+        a.click();
+        window.URL.revokeObjectURL(url);
+        document.body.removeChild(a);
+    } catch (error) {
+        console.error('Error downloading TCGPlayer update file:', error);
+        alert('Failed to download TCGPlayer update file. Please try again.');
+    }
 }