From 7eec85dcfc4d7ced8c41777d6a8c6df8a45ac618 Mon Sep 17 00:00:00 2001
From: Wing-Kam Wong <wingkwong.code@gmail.com>
Date: Tue, 14 Jun 2022 16:33:39 +0800
Subject: [PATCH] fix: exclude date1904 fix from csv quick import

---
 .../templateParsers/ExcelTemplateAdapter.js   | 38 ++++++++++---------
 1 file changed, 20 insertions(+), 18 deletions(-)

diff --git a/packages/nc-gui/components/import/templateParsers/ExcelTemplateAdapter.js b/packages/nc-gui/components/import/templateParsers/ExcelTemplateAdapter.js
index b1964ae5a6..9202e4ab31 100644
--- a/packages/nc-gui/components/import/templateParsers/ExcelTemplateAdapter.js
+++ b/packages/nc-gui/components/import/templateParsers/ExcelTemplateAdapter.js
@@ -46,25 +46,27 @@ export default class ExcelTemplateAdapter extends TemplateGenerator {
       this.data[tn] = []
       const ws = this.wb.Sheets[sheet]
       const range = XLSX.utils.decode_range(ws['!ref'])
-      const originalRows = XLSX.utils.sheet_to_json(ws, { header: 1, blankrows: false, cellDates: true, defval: null })
-
-      // fix precision bug & timezone offset issues introduced by xlsx
-      const basedate = new Date(1899, 11, 30, 0, 0, 0)
-      // number of milliseconds since base date
-      const dnthresh = basedate.getTime() + (new Date().getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000
-      // number of milliseconds in a day
-      const day_ms = 24 * 60 * 60 * 1000
-      // handle date1904 property
-      const fixImportedDate = (date) => {
-        const parsed = XLSX.SSF.parse_date_code((date.getTime() - dnthresh) / day_ms, {
-          date1904: this.wb.Workbook.WBProps.date1904
-        })
-        return new Date(parsed.y, parsed.m, parsed.d, parsed.H, parsed.M, parsed.S)
+      const rows = XLSX.utils.sheet_to_json(ws, { header: 1, blankrows: false, cellDates: true, defval: null })
+
+      if (this.name.slice(-3) !== 'csv') {
+        // fix precision bug & timezone offset issues introduced by xlsx
+        const basedate = new Date(1899, 11, 30, 0, 0, 0)
+        // number of milliseconds since base date
+        const dnthresh = basedate.getTime() + (new Date().getTimezoneOffset() - basedate.getTimezoneOffset()) * 60000
+        // number of milliseconds in a day
+        const day_ms = 24 * 60 * 60 * 1000
+        // handle date1904 property
+        const fixImportedDate = (date) => {
+          const parsed = XLSX.SSF.parse_date_code((date.getTime() - dnthresh) / day_ms, {
+            date1904: this.wb.Workbook.WBProps.date1904
+          })
+          return new Date(parsed.y, parsed.m, parsed.d, parsed.H, parsed.M, parsed.S)
+        }
+        // fix imported date
+        rows = rows.map(r => r.map((v) => {
+          return v instanceof Date ? fixImportedDate(v) : v
+        }))
       }
-      // fix imported date
-      const rows = originalRows.map(r => r.map((v) => {
-        return v instanceof Date ? fixImportedDate(v) : v
-      }))
 
       const columnNameRowExist = +rows[0].every(v => v === null || typeof v === 'string')