Proyectos de Subversion Moodle

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<?php
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namespace Packback\Lti1p3\DeepLinkResources;
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use DateTime;
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use Packback\Lti1p3\Concerns\Arrayable;
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use Packback\Lti1p3\LtiException;
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class DateTimeInterval
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{
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    use Arrayable;
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    public const ERROR_NO_START_OR_END = 'Either a start or end time must be specified.';
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    public const ERROR_START_GT_END = 'The start time cannot be greater than end time.';
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    public function __construct(
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        private ?DateTime $start = null,
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        private ?DateTime $end = null
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    ) {
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        $this->validateStartAndEnd();
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    }
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    public static function new(): self
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    {
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        return new DateTimeInterval();
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    }
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    public function getArray(): array
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    {
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        if (!isset($this->start) && !isset($this->end)) {
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            throw new LtiException(self::ERROR_NO_START_OR_END);
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        }
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        $this->validateStartAndEnd();
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        return [
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            'startDateTime' => $this->start?->format(DateTime::ATOM),
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            'endDateTime' => $this->end?->format(DateTime::ATOM),
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        ];
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    }
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    public function setStart(?DateTime $start): self
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    {
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        $this->start = $start;
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        return $this;
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    }
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    public function getStart(): ?DateTime
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    {
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        return $this->start;
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    }
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    public function setEnd(?DateTime $end): self
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    {
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        $this->end = $end;
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        return $this;
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    }
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    public function getEnd(): ?DateTime
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    {
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        return $this->end;
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    }
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    /**
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     * @throws LtiException
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     */
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    private function validateStartAndEnd(): void
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    {
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        if (isset($this->start) && isset($this->end) && $this->start > $this->end) {
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            throw new LtiException(self::ERROR_START_GT_END);
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        }
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    }
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}