class.ilExternalAuthUserAttributeMapping.php

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<?php

declare(strict_types=1);

class ilExternalAuthUserAttributeMapping implements ArrayAccess, Countable, Iterator
{
    protected ilDBInterface $db;
    protected string $authMode;
    protected int $authSourceId;
    protected array $mapping = [];

    public function __construct(string $authMode, int $authSourceId = 0)
    {
        global $DIC;
        $this->db = $DIC->database();

        $this->setAuthMode($authMode);
        $this->setAuthSourceId($authSourceId);

        $this->read();
    }

    public function getAuthSourceId(): int
    {
        return $this->authSourceId;
    }

    public function setAuthSourceId(int $authSourceId): void
    {
        $this->authSourceId = $authSourceId;
    }

    public function getAuthMode(): string
    {
        return $this->authMode;
    }

    public function setAuthMode(string $authMode): void
    {
        $this->authMode = $authMode;
    }

    public function getEmptyRule(): ilExternalAuthUserAttributeMappingRule
    {
        return new ilExternalAuthUserAttributeMappingRule();
    }

    public function offsetExists($offset): bool
    {
        return isset($this->mapping[$offset]);
    }

    public function offsetGet($offset): ?ilExternalAuthUserAttributeMappingRule
    {
        return $this->offsetExists($offset) ? $this->mapping[$offset] : null;
    }

    public function offsetSet($offset, $value): void
    {
        if ($offset === null) {
            $this->mapping[] = $value;
        } else {
            $this->mapping[$offset] = $value;
        }
    }

    public function offsetUnset($offset): void
    {
        unset($this->mapping[$offset]);
    }

    public function count(): int
    {
        return count($this->mapping);
    }

    public function current(): ilExternalAuthUserAttributeMappingRule
    {
        return current($this->mapping);
    }

    public function next(): void
    {
        next($this->mapping);
    }

    public function key(): string
    {
        return key($this->mapping);
    }

    public function valid(): bool
    {
        return current($this->mapping) instanceof ilExternalAuthUserAttributeMappingRule;
    }

    public function rewind(): void
    {
        reset($this->mapping);
    }

    protected function read(): void
    {
        $this->mapping = [];

        $res = $this->db->queryF(
            'SELECT * FROM auth_ext_attr_mapping WHERE auth_mode = %s AND auth_src_id = %s',
            ['text', 'integer'],
            [$this->getAuthMode(), $this->getAuthSourceId()]
        );
        while ($row = $this->db->fetchAssoc($res)) {
            $rule = $this->getEmptyRule();
            $rule->setAttribute($row['attribute']);
            $rule->setExternalAttribute($row['ext_attribute']);
            $rule->updateAutomatically((bool) $row['update_automatically']);

            $this->mapping[$rule->getAttribute()] = $rule;
        }
    }

    public function save(): void
    {
        foreach ($this->mapping as $rule) {
            $this->db->replace(
                'auth_ext_attr_mapping',
                [
                    'auth_mode' => ['text', $this->getAuthMode()],
                    'auth_src_id' => ['integer', $this->getAuthSourceId()],
                    'attribute' => ['text', $rule->getAttribute()]
                ],
                [
                    'ext_attribute' => ['text', $rule->getExternalAttribute()],
                    'update_automatically' => ['integer', (int) $rule->isAutomaticallyUpdated()]
                ]
            );
        }
    }

    public function delete(): void
    {
        $this->mapping = [];
        $this->db->manipulateF(
            'DELETE FROM auth_ext_attr_mapping WHERE auth_mode = %s AND auth_src_id = %s',
            ['text', 'integer'],
            [$this->getAuthMode(), $this->getAuthSourceId()]
        );
    }
}