class.ilUserQuestionResult.php

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<?php

class ilUserQuestionResult
{
    public static $USER_SOLUTION_IDENTIFIER_KEY = "key";
    public static $USER_SOLUTION_IDENTIFIER_VALUE = "value";


    protected $question;

    protected $active_id;

    protected $pass;

    protected $reached_percentage;

    protected $solutions = array();

    public function __construct($question, $active_id, $pass)
    {
        $this->question = $question;
        $this->active_id = $active_id;
        $this->pass = $pass;
    }

    public function addKeyValue($key, $value): void
    {
        $this->solutions[] = array(
            self::$USER_SOLUTION_IDENTIFIER_KEY => $key,
            self::$USER_SOLUTION_IDENTIFIER_VALUE => $value
        );
    }

    public function removeByKey($key): void
    {
        foreach ($this->solutions as $array_key => $solution) {
            if ($solution[self::$USER_SOLUTION_IDENTIFIER_KEY] == $key) {
                unset($this->solutions[$array_key]);
                break;
            }
        }
    }

    public function getUserSolutionsByIdentifier($identifier): array
    {
        if (
            $identifier != self::$USER_SOLUTION_IDENTIFIER_KEY &&
            $identifier != self::$USER_SOLUTION_IDENTIFIER_VALUE
        ) {
            throw new Exception(sprintf("Unkown Identifier %s", $identifier));
        }

        $solutions = array();
        foreach ($this->solutions as $solution) {
            $solutions[] = $solution[$identifier];
        }
        return $solutions;
    }

    public function getSolutions(): array
    {
        return $this->solutions;
    }

    public function getSolutionForKey($key): ?array
    {
        foreach ($this->solutions as $solution) {
            if ($solution[self::$USER_SOLUTION_IDENTIFIER_KEY] == $key) {
                return $solution;
            }
        }
        return null;
    }

    public function setReachedPercentage($reached_percentage): void
    {
        $this->reached_percentage = $reached_percentage;
    }

    public function getReachedPercentage(): int
    {
        return $this->reached_percentage;
    }

    public function hasSolutions(): bool
    {
        return count($this->solutions) > 0;
    }
}