canReattach

gistfile1.php

public function canReattach()
    {
        $filterFunction = function ($collaborator) {
            return in_array($collaborator->getRole()->getName(), array(Role::PROPONENT, coproponent)) && $collaborator->getStatus()->getName() == CollaboratorStatus::ACCEPTED;
        });
        $parentCollaborators = $this->getParentProposal()->getCollaborators()->filter($filterFunction);
        $childCollaborators = $this->getProposal()->getCollaborators()->filter($filterFunction);
        
        if ($parentCollaborators->count() !== $childCollaborators->count()) {
            return false;
        }
        
        foreach ($parentCollaborators as $collaborator) {
            $found = false;
            foreach ($childCollaborators as $childCollab) {
                if ($childCollab->getUser()->getId() === $collaborator->getUser()->getId()) {
                    if ($collaborator->getRole()->getId() === $childCollab->getRole()->getId()) {
                        $found = true;
                    }
                }
            }
            if (!$found) {
                return false;
            }
        }
        
        return true;
    }