Groups.php

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<?php

namespace Elgg\Database\Seeds;

use Elgg\Exceptions\Seeding\MaxAttemptsException;

class Groups extends Seed {

    public function seed() {
        $this->advance($this->getCount());

        $count_members = function ($group) {
            return elgg_count_entities([
                'types' => 'user',
                'relationship' => 'member',
                'relationship_guid' => $group->getGUID(),
                'inverse_relationship' => true,
                'metadata_names' => '__faker',
            ]);
        };

        $exclude = [];

        $profile_fields_config = _elgg_services()->fields->get('group', 'group');
        $profile_fields = [];
        foreach ($profile_fields_config as $field) {
            $profile_fields[$field['name']] = $field['#type'];
        }
        
        while ($this->getCount() < $this->limit) {
            try {
                $group = $this->createGroup([
                    'access_id' => $this->getRandomGroupVisibility(),
                    'content_access_mode' => $this->getRandomGroupContentAccessMode(),
                    'membership' => $this->getRandomGroupMembership(),
                ], [
                    'profile_fields' => $profile_fields,
                    'group_tool_options' => _elgg_services()->group_tools->all(),
                ]);
            } catch (MaxAttemptsException $e) {
                // unable to create a group with the given options
                continue;
            }

            $this->createIcon($group);

            $exclude[] = $group->guid;

            if ($count_members($group) > 1) {
                // exclude owner from count
                continue;
            }

            $members_limit = $this->faker()->numberBetween(1, 5);

            $members_exclude = [];

            while ($count_members($group) - 1 < $members_limit) {
                $member = $this->getRandomUser($members_exclude);
                if (!$member) {
                    continue;
                }

                $members_exclude[] = $member->guid;

                if ($group->join($member)) {
                    $this->log("User {$member->getDisplayName()} [guid: {$member->guid}] joined group {$group->getDisplayName()} [guid: {$group->guid}]");
                }

                if (!$group->isPublicMembership()) {
                    $invitee = $this->getRandomUser($members_exclude);
                    if ($invitee) {
                        $members_exclude[] = $invitee->guid;
                        if (!$group->isMember($invitee)) {
                            $group->addRelationship($invitee->guid, 'invited');
                            $this->log("User {$invitee->getDisplayName()} [guid: {$invitee->guid}] was invited to {$group->getDisplayName()} [guid: {$group->guid}]");
                        }
                    }

                    $requestor = $this->getRandomUser($members_exclude);
                    if ($requestor) {
                        $members_exclude[] = $requestor->guid;
                        if (!$group->hasRelationship($requestor->guid, 'invited')
                            && !$group->isMember($requestor)
                        ) {
                            $requestor->addRelationship($group->guid, 'membership_request');
                            $this->log("User {$invitee->getDisplayName()} [guid: {$invitee->guid}] requested to join {$group->getDisplayName()} [guid: {$group->guid}]");
                        }
                    }
                }
            }

            $this->advance();
        }
    }

    public function unseed() {
        /* @var $groups \ElggBatch */
        $groups = elgg_get_entities([
            'type' => 'group',
            'metadata_name' => '__faker',
            'limit' => false,
            'batch' => true,
            'batch_inc_offset' => false,
        ]);

        /* @var $group \ElggGroup */
        foreach ($groups as $group) {
            if ($group->delete(true, true)) {
                $this->log("Deleted group {$group->guid}");
            } else {
                $this->log("Failed to delete group {$group->guid}");
                $groups->reportFailure();
                continue;
            }

            $this->advance();
        }
    }

    public static function getType(): string {
        return 'group';
    }
    
    protected function getCountOptions(): array {
        return [
            'type' => 'group',
        ];
    }
}