Changeset 752

Timestamp:

Nov 4, 2021 5:23:07 AM (2 years ago)

Author:

anonymous

Message:

Add prorate() function (copied from ~/bin/prorate)

Location:

trunk/lib

Files:

• App.inc.php (modified) (1 diff)
• Utilities.inc.php (modified) (1 diff)

trunk/lib/App.inc.php

@@ -1427 +1427 @@
     *
     * @access   public
+    * @return   void
     * @author   Quinn Comendant <quinn@strangecode.com>
     * @since    14 Oct 2021 17:35:19

trunk/lib/Utilities.inc.php

@@ -619 +619 @@
     $final_time = sprintf($format, $final_time);
     return sprintf('%s %s', $final_time, (1 == $final_time ? $units[$final_unit][1] : $units[$final_unit][2]));
+}
+
+/*
+*
+*
+* @access   public
+* @param
+* @return
+* @author   Quinn Comendant <quinn@strangecode.com>
+* @since    03 Nov 2021 22:44:30
+*/
+function prorate($amount, $duration='year', $start_date, $end_date)
+{
+    $app =& App::getInstance();
+
+    switch ($duration) {
+    case 'yr':
+    case 'year':
+        $amount_per_day = $amount / 365;
+        break;
+
+    case 'quarter':
+        $amount_per_day = $amount / 91.25;
+        break;
+
+    case 'mo':
+    case 'month':
+        $amount_per_day = $amount / 30.4167;
+        break;
+
+    case 'week':
+        $amount_per_day = $amount / 7;
+        break;
+
+    case 'day':
+        $amount_per_day = $amount;
+        break;
+
+    default:
+        $app->logMsg(sprintf('Unknown prorate duration “%s”. Please use one of: year, yr, quarter, month, mo, week, day.', $duration), LOG_ERR, __FILE__, __LINE__);
+        return false;
+    }
+
+    $diff_time = strtotime($end_date) - strtotime($start_date);
+    $days = $diff_time / (60 * 60 * 24);
+    return $amount_per_day * $days;
 }