IPub\FormPhone\Forms\PhoneValidator::validatePhone()

Complexity

Conditions	14
Paths	8

Size

Total Lines	71
Code Lines	29

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
	public static function validatePhone(Forms\IControl $control, $params = []) : bool
	{
		if (!$control instanceof Controls\Phone) {
			throw new Exceptions\InvalidArgumentException(sprintf('This validator could be used only on text field. You used it on: "%s"', get_class($control)));
		}

		if ($control->getValuePart(Controls\Phone::FIELD_NUMBER) === NULL || $control->getValuePart(Controls\Phone::FIELD_COUNTRY) === NULL) {
			return TRUE;
		}

		try {
			// Create phone entity
			$value = Phone\Entities\Phone::fromNumber($control->getValuePart(Controls\Phone::FIELD_NUMBER), $control->getValuePart(Controls\Phone::FIELD_COUNTRY));

		} catch (Phone\Exceptions\NoValidCountryException $ex) {
			return FALSE;

		} catch (Phone\Exceptions\NoValidPhoneException $ex) {
			return FALSE;
		}

		// Value have to be phone entity
		if ($value instanceof Phone\Entities\Phone) {
			$number = $value->getRawOutput();

			// Get instance of phone number util
			$phoneNumberUtil = PhoneNumberUtil::getInstance();

			// Get list of allowed countries from params
			$allowedCountries = self::determineCountries($control->getAllowedCountries());

			// Get list of allowed phone types
			$allowedTypes = self::determineTypes($control->getAllowedPhoneTypes());

			// Perform validation
			foreach ($allowedCountries as $country) {
				try {
					// For default countries or country field, the following throws NumberParseException if
					// not parsed correctly against the supplied country
					// For automatic detection: tries to discover the country code using from the number itself
					$phoneProto = $phoneNumberUtil->parse($number, $country);

					// For automatic detection, the number should have a country code
					// Check if type is allowed
					if (
						$phoneProto->hasCountryCode() &&
						$allowedTypes === [] ||
						in_array($phoneNumberUtil->getNumberType($phoneProto), $allowedTypes)
					) {
						// Automatic detection:
						if ($country == 'ZZ') {
							// Validate if the international phone number is valid for its contained country
							return $phoneNumberUtil->isValidNumber($phoneProto);
						}

						// Validate number against the specified country. Return only if success
						// If failure, continue loop to next specified country
						if ($phoneNumberUtil->isValidNumberForRegion($phoneProto, $country)) {
							return TRUE;
						}
					}

				} catch (libphonenumber\NumberParseException $ex) {
					// Proceed to default validation error
				}
			}
		}

		// All specified country validations have failed
		return FALSE;
	}
}