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

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

        public function getUserSolutionsByIdentifier($identifier)
        {
                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()
        {
                return $this->solutions;
        }

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

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

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

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