1: <?php
  2: 
  3:   4:   5: 
  6: class Quform_Validator_Time extends Quform_Validator_Abstract
  7: {
  8:     const INVALID = 'timeInvalid';
  9:     const INVALID_TIME = 'timeInvalidTime';
 10:     const TOO_EARLY = 'timeTooEarly';
 11:     const TOO_LATE = 'timeTooLate';
 12:     const BAD_INTERVAL = 'timeBadInterval';
 13: 
 14:      15:  16:  17:  18:  19: 
 20:     public function isValid($value)
 21:     {
 22:         $this->reset();
 23: 
 24:         if ( ! is_string($value)) {
 25:             $this->error(self::INVALID);
 26:             return false;
 27:         }
 28: 
 29:         if (preg_match('/^(2[0-3]|[01][0-9]):[0-5][0-9]$/', $value)) {
 30:             try {
 31:                 $time = new DateTime($value, new DateTimeZone('UTC'));
 32: 
 33:                 if (Quform::isNonEmptyString($this->config('min'))) {
 34:                     try {
 35:                         $min = new DateTime($this->config('min'), new DateTimeZone('UTC'));
 36:                     } catch (Exception $e) {
 37:                         $min = null;
 38:                     }
 39: 
 40:                     if ($min instanceof DateTime && $time < $min) {
 41:                         $this->error(self::TOO_EARLY, array(
 42:                             'min' => $min->format($this->config('format')),
 43:                             'value' => $time->format($this->config('format'))
 44:                         ));
 45: 
 46:                         return false;
 47:                     }
 48:                 }
 49: 
 50:                 if (Quform::isNonEmptyString($this->config('max'))) {
 51:                     try {
 52:                         $max = new DateTime($this->config('max'), new DateTimeZone('UTC'));
 53:                     } catch (Exception $e) {
 54:                         $max = null;
 55:                     }
 56: 
 57:                     if ($max instanceof DateTime && $time > $max) {
 58:                         $this->error(self::TOO_LATE, array(
 59:                             'max' => $max->format($this->config('format')),
 60:                             'value' => $time->format($this->config('format'))
 61:                         ));
 62: 
 63:                         return false;
 64:                     }
 65:                 }
 66: 
 67:                 if (Quform::isNonEmptyString($this->config('interval'))) {
 68:                     $interval = (int) $this->config('interval');
 69:                     $parts = explode(':', $value);
 70:                     $minutes = (int) $parts[1];
 71: 
 72:                     if ($minutes % $interval !== 0) {
 73:                         $this->error(self::BAD_INTERVAL, array(
 74:                             'interval' => $interval,
 75:                             'value' => $time->format($this->config('format'))
 76:                         ));
 77: 
 78:                         return false;
 79:                     }
 80:                 }
 81: 
 82:                 return true;
 83:             } catch (Exception $e) {
 84:                 
 85:             }
 86:         }
 87: 
 88:         $this->error(self::INVALID_TIME);
 89:         return false;
 90:     }
 91: 
 92:      93:  94:  95:  96:  97: 
 98:     public static function getMessageTemplates($key = null)
 99:     {
100:         $messageTemplates = array(
101:             self::INVALID => __('Invalid data type, string expected',  'quform'),
102:             self::INVALID_TIME => __('Please enter a valid time',  'quform'),
103:             self::TOO_EARLY => __('The time must not be earlier than %min%', 'quform'),
104:             self::TOO_LATE => __('The time must not be later than %max%', 'quform'),
105:             self::BAD_INTERVAL => __('The minutes must be a multiple of %interval%', 'quform')
106:         );
107: 
108:         if (is_string($key)) {
109:             return array_key_exists($key, $messageTemplates) ? $messageTemplates[$key] : null;
110:         }
111: 
112:         return $messageTemplates;
113:     }
114: 
115:     116: 117: 118: 119: 120: 
121:     public static function getDefaultConfig($key = null)
122:     {
123:         $config = apply_filters('quform_default_config_validator_time', array(
124:             'format' => 'g:i A',
125:             'min' => '',
126:             'max' => '',
127:             'interval' => '',
128:             'messages' => array(
129:                 self::INVALID => '',
130:                 self::INVALID_TIME => '',
131:                 self::TOO_EARLY => '',
132:                 self::TOO_LATE => ''
133:             )
134:         ));
135: 
136:         $config['type'] = 'time';
137: 
138:         if (Quform::isNonEmptyString($key)) {
139:             return Quform::get($config, $key);
140:         }
141: 
142:         return $config;
143:     }
144: }
145: