From 994980a8c77ebe3fbe156b8692679fee3d8d234c Mon Sep 17 00:00:00 2001
From: Thomas <4159106+dtslvr@users.noreply.github.com>
Date: Fri, 23 Dec 2022 12:39:49 +0100
Subject: [PATCH] Fix date conversion of two digit year

---
 apps/client/src/app/adapter/custom-date-adapter.ts | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/apps/client/src/app/adapter/custom-date-adapter.ts b/apps/client/src/app/adapter/custom-date-adapter.ts
index af57c567a..663c91b72 100644
--- a/apps/client/src/app/adapter/custom-date-adapter.ts
+++ b/apps/client/src/app/adapter/custom-date-adapter.ts
@@ -2,7 +2,7 @@ import { Platform } from '@angular/cdk/platform';
 import { Inject, forwardRef } from '@angular/core';
 import { MAT_DATE_LOCALE, NativeDateAdapter } from '@angular/material/core';
 import { getDateFormatString } from '@ghostfolio/common/helper';
-import { format, parse } from 'date-fns';
+import { addYears, format, getYear, parse } from 'date-fns';
 
 export class CustomDateAdapter extends NativeDateAdapter {
   public constructor(
@@ -31,6 +31,16 @@ export class CustomDateAdapter extends NativeDateAdapter {
    * Parses a date from a provided value
    */
   public parse(aValue: string): Date {
-    return parse(aValue, getDateFormatString(this.locale), new Date());
+    let date = parse(aValue, getDateFormatString(this.locale), new Date());
+
+    if (getYear(date) < 1900) {
+      if (getYear(date) > Number(format(new Date(), 'yy')) + 1) {
+        date = addYears(date, 1900);
+      } else {
+        date = addYears(date, 2000);
+      }
+    }
+
+    return date;
   }
 }