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added endpoint for updating and downloading a work book

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This commit is contained in:
Duncan Phelps 2021-04-24 22:30:09 -05:00
parent 49221507b8
commit 2e0f6036b9
1 changed files with 11 additions and 0 deletions
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11
src/util.js
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@ -9,7 +9,13 @@ module.exports = function(req, body, url, res) {
/* N parameter specifies worksheet index */
const N = url.query.N ? parseInt(url.query.N,10) : 0;
const addr = url.query.addr || null;
const val = url.query.val || null;
if (addr != null && val != null) {
XLSX.utils.sheet_add_aoa(wb.Sheets[wb.SheetNames[0]], [[val]], { origin: addr });
}
/* -1 -> return sheet names */
if(N < 0) switch(url.query.t || "csv") {
case "json": return res.status(200).send(JSON.stringify(wb.SheetNames.join("\n")));
@ -28,6 +34,11 @@ module.exports = function(req, body, url, res) {
switch(url.query.t) {
case "json": return res.status(200).json(XLSX.utils.sheet_to_json(ws, {header:1, raw:true}));
case "html": return XLSX.stream.to_html(ws).pipe(res);
case "file":
const buf = XLSX.write(wb, { type: "buffer", bookType: "xlsx" });
res.header("Content-Type", "application/vnd.ms-excel");
res.header("Content-Disposition", 'attachment; filename="test2.xlsx"');
return res.status(200).end(buf);
default: return XLSX.stream.to_csv(ws).pipe(res);
}
};