Initial work done to support negative durations, some issues remain.

[timetracker.git] / WEB-INF / lib / common.lib.php

diff --git a/WEB-INF/lib/common.lib.php b/WEB-INF/lib/common.lib.php
index 6526d73..747f3e0 100644 (file)
--- a/WEB-INF/lib/common.lib.php
+++ b/WEB-INF/lib/common.lib.php
@@ -143,11 +143,6 @@ function time_to_decimal($val) {
   return $decimalTime;
 }
 
-function sec_to_time_fmt_hm($sec)
-{
-  return sprintf("%d:%02d", $sec / 3600, $sec % 3600 / 60);
-}
-
 function magic_quotes_off()
 {
   $_POST = array_map('stripslashes_deep', $_POST);
@@ -182,6 +177,15 @@ function ttValidString($val, $emptyValid = false)
   return true;    
 }
 
+// ttValidTemplateText is used to check template-based user input.
+// When templates are used, required input parts must be filled by user.
+// We identify these parts by 3 "stop sign" emojis (aka "octagonal sign" U+1F6D1).
+function ttValidTemplateText($val)
+{
+  $valid = strpos($val, '🛑🛑🛑') === false; // no 3 "stop sign" emojis in a row.
+  return $valid;
+}
+
 // ttValidEmail is used to check user input to validate an email string.
 function ttValidEmail($val, $emptyValid = false)
 {
@@ -406,3 +410,14 @@ function ttDateToUserFormat($date)
   $o_date = new DateAndTime(DB_DATEFORMAT, $date);
   return $o_date->toString($user->date_format);
 }
+
+// ttRandomString generates a random alphanumeric string.
+function ttRandomString($length = 32) {
+  $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+  $charactersLength = strlen($characters);
+  $randomString = '';
+  for ($i = 0; $i < $length; $i++) {
+    $randomString .= $characters[rand(0, $charactersLength - 1)];
+  }
+  return $randomString;
+}