FIX triệt để: Giữ tất cả blob URLs alive đến khi rời trang (pagehide cleanup). Xóa setTimeout revoke. Thêm blobRegistry global.

qr-payment.js

@@ -1,16 +1,15 @@
-/* V.AI STUDIO — QR Payment / Quote Data v1037.3
+/* V.AI STUDIO — QR Payment / Quote Data v1037.4
+ * FIX v1037.4: Giữ tất cả blob URLs alive đến khi rời trang
+ *   - Xóa setTimeout(revokeObjectURL, 60000) — không revoke sớm
+ *   - Thêm blobRegistry[] global (window.__vaiBlobUrls)
+ *   - Cleanup chỉ khi pagehide (rời tab/đóng trang)
+ *   - User có thể download Excel/PDF bao nhiêu lần cũng được
  * FIX v1037.3: Thêm CORS proxy fallback wsrv.nl cho ảnh trong Excel
- *   - fetch trực tiếp fail (CORS) → fallback qua wsrv.nl
- *   - Tested: Eurogold, Hafele images đều load được với ACL=*
  * FIX v1037.2: 
  * 1) parsePrompt() extract brand discount (malloca ck35% → itemDiscounts)
  * 2) matchItemDiscount() brand matching fallback (Malloca→35%)
  * 3) _doExportExcel: Giá CK luôn là formula =G*0.65 / =G*1, ko hằng số
  * FIX v1037.1: Loại bỏ dòng CK/giá trị số (35đ, 50đ, Malloca Ck%) khỏi fees/phụ phí
- * FIX: getData() và injectToModal() gọi closure parsePrompt() trực tiếp, 
- *   không qua VAI_QR.parsePrompt, nên comprehensive-fix.js không áp dụng được.
- *   Thêm guards trong parsePrompt() để skip bare numbers, brand+discount, CK lines.
- * Restored from 9db23f9 (v24) — full Excel/PDF export with proper layout
  */
 (function(){
 'use strict';
@@ -193,7 +192,7 @@ function doOverride(){
     window.exportDeliveryExcel=async function(){if(typeof ExcelJS==='undefined')return;var qd=window._origGetQuoteData(),code=getEffectiveOrderCode();await _doExportDeliveryExcel(qd,code);};
     window.exportDeliveryPDF=async function(){var qd=window._origGetQuoteData(),code=getEffectiveOrderCode();await _doExportDeliveryPDF(qd,code);};
     window.getQuoteData=function(){var qd=window._origGetQuoteData.apply(this,arguments);if(qd.customer)qd.customer.orderCode=getEffectiveOrderCode();return qd;};
-    console.log('✅ QR Payment v1037.3 — CORS proxy, brand discounts, formula Excel, no phantom fees');return true;
+    console.log('✅ QR Payment v1037.4 — blob URLs kept alive, unlimited downloads');return true;
 }
 
 async function _doExportPDF(d,code){
@@ -212,7 +211,11 @@ async function _doExportPDF(d,code){
 async function _doExportDeliveryPDF(qd,code){var cv=await toCanvas(buildDeliveryHTML(qd,code),700);var img=cv.toDataURL('image/png');var pdf=new jspdf.jsPDF({orientation:'p',unit:'pt',format:'a4'});var margin=25,usableW=595-margin*2;var ratio=cv.height/cv.width;var imgH=usableW*ratio;if(imgH>842-margin*2){imgH=842-margin*2;usableW=imgH/ratio;}pdf.addImage(img,'PNG',margin,margin,usableW,imgH);pdf.save('GH-'+code+'.pdf');}
 
 // FIX v1037.2: _doExportExcel - Giá CK luôn là formula, ko hằng số
-// FIX v1037.3: Thêm CORS proxy fallback wsrv.nl cho ảnh (Eurogold, Hafele...)
+// FIX v1037.3: Thêm CORS proxy fallback wsrv.nl cho ảnh
+// FIX v1037.4: Blob registry — ko revoke, cleanup chỉ khi pagehide
+// Tạo global registry nếu chưa có
+if(!window.__vaiBlobUrls){window.__vaiBlobUrls=[];if(typeof window.addEventListener==='function'){window.addEventListener('pagehide',function(){window.__vaiBlobUrls.forEach(function(u){try{URL.revokeObjectURL(u);}catch(e){}});window.__vaiBlobUrls=[];});}}
+
 async function _doExportExcel(d,qd,code,qr){
     var MONEY_FMT='#,##0"đ"';
     var NUM_FMT='#,##0';
@@ -247,7 +250,6 @@ async function _doExportExcel(d,qd,code,qr){
         var bgColor=i%2===0?'FFF8FAFC':'FFFFFFFF';
         var RB={top:{style:'thin',color:{argb:bgColor}},bottom:{style:'thin',color:{argb:bgColor}},left:{style:'thin',color:{argb:bgColor}},right:{style:'thin',color:{argb:bgColor}}};
         row.getCell(1).value=it.stt||i+1;row.getCell(1).alignment={horizontal:'center',vertical:'middle'};
-        // FIX v1037.3: Load ảnh với CORS proxy fallback wsrv.nl
         if(it.image&&it.image.startsWith('http')){
             try{
                 var ir=await fetch(it.image,{mode:'cors'});
@@ -256,7 +258,6 @@ async function _doExportExcel(d,qd,code,qr){
                 var ext=it.image.match(/\.(png|jpe?g)/i);ext=ext?ext[1].startsWith('png')?'png':'jpeg':'jpeg';
                 ws.addImage(wb.addImage({buffer:ib,extension:ext}),{tl:{col:1,row:cr-1},ext:{width:46,height:46}});
             }catch(e1){
-                // Fallback: dùng wsrv.nl (CORS proxy, tested: ✅ Eurogold, Hafele)
                 try{
                     var proxyUrl='https://wsrv.nl/?url='+encodeURIComponent(it.image)+'&w=200&output='+(it.image.match(/\.png/i)?'png':'jpg');
                     var ir2=await fetch(proxyUrl);
@@ -265,7 +266,7 @@ async function _doExportExcel(d,qd,code,qr){
                         var ext2=it.image.match(/\.(png|jpe?g)/i);ext2=ext2?ext2[1].startsWith('png')?'png':'jpeg':'jpeg';
                         ws.addImage(wb.addImage({buffer:ib2,extension:ext2}),{tl:{col:1,row:cr-1},ext:{width:46,height:46}});
                     }
-                }catch(e2){/* skip image if all fails */}
+                }catch(e2){}
             }
         }
         row.getCell(3).value=it.name||'';row.getCell(3).font={bold:true,size:9};row.getCell(3).alignment={wrapText:true,vertical:'middle'};
@@ -308,7 +309,10 @@ async function _doExportExcel(d,qd,code,qr){
     try{var qrR=await fetch(qr,{mode:'cors'});if(qrR.ok){var qb=await qrR.arrayBuffer();ws.addImage(wb.addImage({buffer:qb,extension:'png'}),{tl:{col:6,row:cr-5},ext:{width:115,height:115}});}}catch(e){}
     ws.eachRow(function(row){row.eachCell(function(cell){if(!cell.border)cell.border=WB;});});
     wb.calcProperties.fullCalcOnLoad = true;
-    var buf=await wb.xlsx.writeBuffer();var blob=new Blob([buf],{type:'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'});var url=URL.createObjectURL(blob);var a=document.createElement('a');a.href=url;a.download=code+'.xlsx';a.click();setTimeout(function(){URL.revokeObjectURL(url);},60000);
+    var buf=await wb.xlsx.writeBuffer();var blob=new Blob([buf],{type:'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'});var url=URL.createObjectURL(blob);
+    // FIX v1037.4: Giữ blob URL trong registry — chỉ revoke khi pagehide
+    window.__vaiBlobUrls.push(url);
+    var a=document.createElement('a');a.href=url;a.download=code+'.xlsx';a.click();
 }
 
 async function _doExportDeliveryExcel(qd,code){
@@ -330,7 +334,10 @@ async function _doExportDeliveryExcel(qd,code){
     cr+=2;ws.getCell('A'+cr).value='Bên giao: ________________';ws.getCell('A'+cr).border=WB;ws.getCell('D'+cr).value='Bên nhận: ________________';ws.getCell('D'+cr).border=WB;
     cr++;ws.getCell('A'+cr).value='(Ký, họ tên)';ws.getCell('A'+cr).font={italic:true,size:8,color:{argb:'FF64748B'}};ws.getCell('A'+cr).border=WB;ws.getCell('D'+cr).value='(Ký, họ tên)';ws.getCell('D'+cr).font={italic:true,size:8,color:{argb:'FF64748B'}};ws.getCell('D'+cr).border=WB;
     ws.eachRow(function(row){row.eachCell(function(cell){if(!cell.border)cell.border=WB;});});
-    var buf=await wb.xlsx.writeBuffer();var blob=new Blob([buf],{type:'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'});var url=URL.createObjectURL(blob);var a=document.createElement('a');a.href=url;a.download='GH-'+code+'.xlsx';a.click();setTimeout(function(){URL.revokeObjectURL(url);},60000);
+    var buf=await wb.xlsx.writeBuffer();var blob=new Blob([buf],{type:'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'});var url=URL.createObjectURL(blob);
+    // FIX v1037.4: Giữ blob URL trong registry
+    window.__vaiBlobUrls.push(url);
+    var a=document.createElement('a');a.href=url;a.download='GH-'+code+'.xlsx';a.click();
 }
 
 var att=0;var t=setInterval(function(){if(doOverride()||att>120)clearInterval(t);att++;},500);