Update Basic, DB IO, Login class

- DB IO: update the write data method to update data that is empty (aka
null) and not skip it (aka never unset data)
- Basic: add date time compare method based on strtotime
- Login: ACL for page level check if array is set before setting
anything

www/libs/Class.Basic.inc

@@ -54,6 +54,7 @@
 	*	GenAssocArray -> generactes a new associativ array from an existing array
 	*	CheckDate -> checks if a date is valid
 	*   CompareDate -> compares two dates. -1 if the first is smaller, 0 if they are equal, 1 if the first is bigger
+	*   CompareDateTime -> compares two dates with time. -1 if the first is smaller, 0 if they are equal, 1 if the first is bigger
 	*   _crc32b -> behaves like the hash("crc32b") in php < 5.2.8. this function will flip the hash like it was (wrong)
 	*              before if a new php version is found
 	*   crypt* -> encrypt and decrypt login string data, used by Login class
@@ -1274,6 +1275,25 @@
 				return 1;
 		}
 
+		// METHOD: CompareDateTime
+		// PARAMS: start_datetime, end_datetime (both YYYY-MM-DD HH:mm:ss)
+		// RETURN: -1 if the first date is smaller the last, 0 if both are equal, 1 if the end date is bigger than the last
+		// DESC  : compares the two dates + times. if seconds missing in one set, add :00, converts / to -
+		public static function CompareDateTime($start_datetime, $end_datetime)
+		{
+			// pre check for empty or wrong
+			if ($start_date == '--' || $end_date == '--' || !$start_date || !$end_date)
+				return FALSE;
+			$start_timestamp = strtotime($start_datetime);
+			$end_timestamp = strtotime($end_datetime);
+			if ($start_timestamp < $end_timestamp)
+				return -1;
+			if ($start_timestamp == $end_timestamp)
+				return 0;
+			if ($start_timestamp > $end_timestamp)
+				return 1;
+		}
+
 		// METHOD: ArrayToString
 		// PARAMS: array, connect char
 		// RETRUN: string

www/libs/Class.DB.IO.inc

@@ -1667,7 +1667,13 @@ $this->debug('ExecuteData', 'ERROR in STM['.$stm_name.'|'.$this->prepare_cursor[
 		// DESC:   writes into one table based on array of table columns
 		public function db_write_data($write_array, $not_write_array, $primary_key, $table, $data = array ())
 		{
-			$not_write_upodate_array = array ();
+			if (!is_array($write_array))
+				$write_array = array ();
+			if (!is_array($not_write_array))
+				$not_write_array = array ();
+			if (is_array($table))
+				return false;
+			$not_write_update_array = array ();
 			return $this->db_write_data_ext($write_array, $primary_key, $table, $not_write_array, $not_write_update_array, $data);
 		}
 		
@@ -1691,7 +1697,9 @@ $this->debug('ExecuteData', 'ERROR in STM['.$stm_name.'|'.$this->prepare_cursor[
 					'value' => $primary_key
 				);
 			}
-
+			// var set for strings
+			$q_sub_value = '';
+			$q_sub_data = '';
 			// get the table layout and row types
 			$table_data = $this->db_show_table_meta_data(($this->db_schema ? $this->db_schema.'.' : '').$table);
 			foreach ($write_array as $field)
@@ -1705,7 +1713,7 @@ $this->debug('ExecuteData', 'ERROR in STM['.$stm_name.'|'.$this->prepare_cursor[
 					// we detect bool, so we can force a write on "false"
 					$is_bool = $table_data[$field]['type'] == 'bool' ? true : false;
 					// write if the field has to be not null, or if there is no data and the field has no default values or if there is data
-					if (($not_null && !$_data) || (!$has_default && !$_data) || ($is_bool && !$_data) || (is_numeric($_data) && isset($_data)) || $_data)
+					if (($not_null && !$_data) || (!$has_default && !$_data) || ($is_bool && !$_data) || (is_numeric($_data) && isset($_data)) || ($primary_key['value'] && !$_data) || $_data)
 					{
 						if ($q_sub_value && !$primary_key['value'])
 							$q_sub_value .= ', ';

www/libs/Class.Login.inc

@@ -581,7 +581,7 @@
 			{
 				$this->acl['page'] = $_SESSION['GROUP_ACL_LEVEL'];
 			}
-			if ($_SESSION['PAGES_ACL_LEVEL'][$this->page_name] != -1)
+			if (isset($_SESSION['PAGES_ACL_LEVEL'][$this->page_name]) && $_SESSION['PAGES_ACL_LEVEL'][$this->page_name] != -1)
 			{
 				$this->acl['page'] = $_SESSION['PAGES_ACL_LEVEL'][$this->page_name];
 			}