ContextCollection.php

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<?php
 
declare(strict_types=1);
 
namespace ILIAS\GlobalScreen\ScreenContext\Stack;
 
use ILIAS\GlobalScreen\ScreenContext\ContextRepository;
use ILIAS\GlobalScreen\ScreenContext\ScreenContext;
 
class ContextCollection
{
    protected array $stack = [];
 
    public function __construct(protected ContextRepository $repo)
    {
    }
 
    public function push(ScreenContext $context): void
    {
        $current = end($this->stack);
        if ($current instanceof ScreenContext) {
            if ($current->hasReferenceId()) {
                $reference_id = $current->getReferenceId();
                $ref_id = $reference_id->toInt();
                $context = $context->withReferenceId($reference_id);
            }
            $context = $context->withAdditionalData($current->getAdditionalData());
        }
 
        $this->stack[] = $context;
    }
 
    public function getLast(): ?ScreenContext
    {
        $last = end($this->stack);
        if ($last instanceof ScreenContext) {
            return $last;
        }
        return null;
    }
 
    public function getStack(): array
    {
        return $this->stack;
    }
 
    public function getStackAsArray(): array
    {
        $return = [];
        foreach ($this->stack as $item) {
            $return[] = $item->getUniqueContextIdentifier();
        }
 
        return $return;
    }
 
    public function hasMatch(ContextCollection $other_collection): bool
    {
        $mapper = (static fn(ScreenContext $c): string => $c->getUniqueContextIdentifier());
        $mine = array_map($mapper, $this->getStack());
        $theirs = array_map($mapper, $other_collection->getStack());
 
        return (array_intersect($mine, $theirs) !== []);
    }
 
    public function main(): self
    {
        $context = $this->repo->main();
        $this->push($context);
 
        return $this;
    }
 
    public function desktop(): self
    {
        $this->push($this->repo->desktop());
 
        return $this;
    }
 
    public function repository(): self
    {
        $this->push($this->repo->repository());
 
        return $this;
    }
 
    public function administration(): self
    {
        $this->push($this->repo->administration());
 
        return $this;
    }
 
    public function internal(): self
    {
        $this->push($this->repo->internal());
 
        return $this;
    }
 
    public function external(): self
    {
        $this->push($this->repo->external());
 
        return $this;
    }
 
    public function lti(): self
    {
        $this->push($this->repo->lti());
        return $this;
    }
}