From b5b7ce0ef9a6ff45fc5a06fb763360cfeca7281c Mon Sep 17 00:00:00 2001
From: Wing-Kam Wong <wingkwong.code@gmail.com>
Date: Thu, 8 Dec 2022 18:31:49 +0800
Subject: [PATCH] feat(nocodb): add dateTimeUtils

---
 .../nocodb/src/lib/utils/dateTimeUtils.ts     | 75 +++++++++++++++++++
 1 file changed, 75 insertions(+)
 create mode 100644 packages/nocodb/src/lib/utils/dateTimeUtils.ts

diff --git a/packages/nocodb/src/lib/utils/dateTimeUtils.ts b/packages/nocodb/src/lib/utils/dateTimeUtils.ts
new file mode 100644
index 0000000000..19c058df34
--- /dev/null
+++ b/packages/nocodb/src/lib/utils/dateTimeUtils.ts
@@ -0,0 +1,75 @@
+import dayjs from 'dayjs';
+
+export const dateFormats = [
+  'DD-MM-YYYY',
+  'MM-DD-YYYY',
+  'YYYY-MM-DD',
+  'DD/MM/YYYY',
+  'MM/DD/YYYY',
+  'YYYY/MM/DD',
+  'DD MM YYYY',
+  'MM DD YYYY',
+  'YYYY MM DD',
+];
+
+export function validateDateFormat(v: string) {
+  return dateFormats.includes(v);
+}
+
+export function validateDateWithUnknownFormat(v: string) {
+  for (const format of dateFormats) {
+    if (dayjs(v, format, true).isValid() as any) {
+      return true;
+    }
+    for (const timeFormat of ['HH:mm', 'HH:mm:ss', 'HH:mm:ss.SSS']) {
+      if (dayjs(v, `${format} ${timeFormat}`, true).isValid() as any) {
+        return true;
+      }
+    }
+  }
+  return false;
+}
+
+export function getDateFormat(v: string) {
+  for (const format of dateFormats) {
+    if (dayjs(v, format, true).isValid()) {
+      return format;
+    }
+  }
+  return 'YYYY/MM/DD';
+}
+
+export function getDateTimeFormat(v: string) {
+  for (const format of dateFormats) {
+    for (const timeFormat of ['HH:mm', 'HH:mm:ss', 'HH:mm:ss.SSS']) {
+      const dateTimeFormat = `${format} ${timeFormat}`;
+      if (dayjs(v, dateTimeFormat, true).isValid() as any) {
+        return dateTimeFormat;
+      }
+    }
+  }
+  return 'YYYY/MM/DD';
+}
+
+export function parseStringDate(v: string, dateFormat: string) {
+  const dayjsObj = dayjs(v);
+  if (dayjsObj.isValid()) {
+    v = dayjsObj.format('YYYY-MM-DD');
+  } else {
+    v = dayjs(v, dateFormat).format('YYYY-MM-DD');
+  }
+  return v;
+}
+
+export function convertToTargetFormat(
+  v: string,
+  oldDataFormat,
+  newDateFormat: string
+) {
+  if (
+    !dateFormats.includes(oldDataFormat) ||
+    !dateFormats.includes(newDateFormat)
+  )
+    return v;
+  return dayjs(v, oldDataFormat).format(newDateFormat);
+}