From a417a4f8f9e0a7daacf26deddff56e384b04b225 Mon Sep 17 00:00:00 2001
From: eileen <emcnaughton@wikimedia.org>
Date: Tue, 2 Jan 2024 14:20:17 +1300
Subject: [PATCH] Combine convertToDefaultDate back into only calling function

It is not a logical separation of concerns & makes code more complex
rather than simpler
---
 CRM/Utils/Date.php | 121 ++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 115 insertions(+), 6 deletions(-)

diff --git a/CRM/Utils/Date.php b/CRM/Utils/Date.php
index 2ed91f5305..3ed75e4eb3 100644
--- a/CRM/Utils/Date.php
+++ b/CRM/Utils/Date.php
@@ -592,9 +592,15 @@ class CRM_Utils_Date {
    * @param string $dateParam
    *   Index of params.
    *
+   * @deprecated since 5.70 will be removed around 5.80.
+   *
+   * At time of deprecation only usages were in CiviHR & CiviProspect in classes that
+   * appeared to be otherwise unmaintained & broken.
+   *
    * @return bool
    */
   public static function convertToDefaultDate(&$params, $dateType, $dateParam) {
+    CRM_Core_Error::deprecatedFunctionWarning('no alternative');
     $now = getdate();
     $value = '';
     if (!empty($params[$dateParam])) {
@@ -2196,15 +2202,118 @@ class CRM_Utils_Date {
       return $timestamp ? date('YmdHis', $timestamp) : NULL;
     }
 
-    $dateKey = 'date';
-    $dateParams = [$dateKey => $date];
+    $now = getdate();
+    // suppress hh:mm or hh:mm:ss if it exists CRM-7957
+    $value = preg_replace(self::getTimeRegex(), "", $date);
 
-    if (CRM_Utils_Date::convertToDefaultDate($dateParams, $dateType, $dateKey)) {
-      $dateVal = $dateParams[$dateKey];
-      // validate date.
-      return CRM_Utils_Rule::date($dateVal) ? $dateVal : NULL;
+    if ($dateType === self::DATE_mm_dd_yy || $dateType === self::DATE_mm_dd_yyyy) {
+      $formattedDate = explode("/", $value);
+      if (count($formattedDate) != 3) {
+        $formattedDate = explode("-", $value);
+      }
+      if (count($formattedDate) == 3) {
+        $year = (int) $formattedDate[2];
+        $month = (int) $formattedDate[0];
+        $day = (int) $formattedDate[1];
+      }
+      else {
+        return NULL;
+      }
+    }
+    if ($dateType === self::DATE_Month_dd_yyyy) {
+      $dateArray = explode(' ', $value);
+      // ignore comma(,)
+      $dateArray[1] = (int) substr($dateArray[1], 0, 2);
+
+      $monthInt = 0;
+      $fullMonths = self::getFullMonthNames();
+      foreach ($fullMonths as $key => $val) {
+        if (strtolower($dateArray[0]) == strtolower($val)) {
+          $monthInt = $key;
+          break;
+        }
+      }
+      if (!$monthInt) {
+        $abbrMonths = self::getAbbrMonthNames();
+        foreach ($abbrMonths as $key => $val) {
+          if (strtolower(trim($dateArray[0], ".")) == strtolower($val)) {
+            $monthInt = $key;
+            break;
+          }
+        }
+      }
+      $year = (int) $dateArray[2];
+      $day = (int) $dateArray[1];
+      $month = (int) $monthInt;
+    }
+    if ($dateType === self::DATE_dd_mon_yy) {
+      $dateArray = explode('-', $value);
+      if (count($dateArray) != 3) {
+        $dateArray = explode('/', $value);
+      }
+
+      if (count($dateArray) == 3) {
+        $monthInt = 0;
+        $fullMonths = self::getFullMonthNames();
+        foreach ($fullMonths as $key => $val) {
+          if (strtolower($dateArray[1]) == strtolower($val)) {
+            $monthInt = $key;
+            break;
+          }
+        }
+        if (!$monthInt) {
+          $abbrMonths = self::getAbbrMonthNames();
+          foreach ($abbrMonths as $key => $val) {
+            if (strtolower(trim($dateArray[1], ".")) == strtolower($val)) {
+              $monthInt = $key;
+              break;
+            }
+          }
+        }
+        if (!$monthInt) {
+          $monthInt = $dateArray[1];
+        }
+
+        $year = (int) $dateArray[2];
+        $day = (int) $dateArray[0];
+        $month = (int) $monthInt;
+      }
+      else {
+        return NULL;
+      }
+    }
+    if ($dateType === self::DATE_dd_mm_yyyy) {
+      $formattedDate = explode("/", $value);
+      if (count($formattedDate) == 3) {
+        $year = (int) $formattedDate[2];
+        $month = (int) $formattedDate[1];
+        $day = (int) $formattedDate[0];
+      }
+      else {
+        return NULL;
+      }
+    }
+
+    $month = ($month < 10) ? "0" . "$month" : $month;
+    $day = ($day < 10) ? "0" . "$day" : $day;
+
+    $year = (int) $year;
+    if ($year < 100) {
+      $year = substr($now['year'], 0, 2) * 100 + $year;
+      if ($year > ($now['year'] + 5)) {
+        $year = $year - 100;
+      }
+      elseif ($year <= ($now['year'] - 95)) {
+        $year = $year + 100;
+      }
     }
 
+    $newDate = "$year$month$day";
+    // if month is invalid return as error
+    if ($month !== '00' && $month <= 12) {
+      // validate date.
+      return CRM_Utils_Rule::date($newDate) ? $newDate : NULL;
+    }
     return NULL;
   }
 
-- 
2.25.1