From 3c78ab79ca14d71eb545fdb4e5aa641ad70d9786 Mon Sep 17 00:00:00 2001
From: Philip Sargent <philip.sargent@gmail.com>
Date: Tue, 25 Jul 2023 01:33:58 +0300
Subject: [PATCH] better fix for variant date formats

---
 core/models/wallets.py | 26 +++++++++++++++-----------
 1 file changed, 15 insertions(+), 11 deletions(-)

diff --git a/core/models/wallets.py b/core/models/wallets.py
index 29ca9e2..c0a8664 100644
--- a/core/models/wallets.py
+++ b/core/models/wallets.py
@@ -21,6 +21,7 @@ def make_valid_date(date):
     datestr = date.replace(".", "-")
     try:
         samedate = datetime.date.fromisoformat(datestr)
+        return samedate
     except ValueError:
         # Could be in std euro format e.g. 14/07/2023
         match = re.search(r'(\d{1,2})/(\d{1,2})/(\d{2,4})', datestr)
@@ -37,19 +38,22 @@ def make_valid_date(date):
             except:
                 print(f"! - Fail, tried to decompose date in dd/mm/yyyy format but failed: {datestr=}  ")
                 return None
-        # probably a single digit day number. HACKUS MAXIMUS.
-        datestr = datestr[:-1] + "0" + datestr[-1]
-        # datestr = f"{datestr:02d}"
-        print(f"! - ValueError, trying.. {datestr=} ")
-        try:
-            samedate = datetime.date.fromisoformat(datestr)
-        except:
+        # probably a single digit day number or month number
+        match = re.search(r'(\d{4})-(\d{1,2})-(\d{1,2})', datestr)
+        if match:
+            y = int(match.group(1))
+            m = int(match.group(2))
+            d = int(match.group(3))
             try:
-                samedate = datetime.date.fromisoformat(datestr[:10])
+                samedate = datetime.date(y, m, d)
+                print(f"- - Warning, 1 digit only for month or day '{datestr=}' but we coped: {samedate.isoformat()} ")
+                return samedate
             except:
-                print(f"! - ValueError, FAILED {datestr=} ")
-                samedate = None
-    return samedate
+                print(f"! - Fail, tried to decompose date in yyyy-mm-d or yyy-m-dd format but failed: {datestr=}  ")
+                return None
+
+        print(f"! - Failed to understand date, none of our tricks worked {datestr=}  ")
+        return None
 
 class Wallet(models.Model):
     """We do not keep the JSON values in the database, we query them afresh each time,