Follower.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Follower extends Model
{

    protected $fillable = ['profile_id', 'following_id', 'local_profile'];

    const MAX_FOLLOWING = 7500;
    const FOLLOW_PER_HOUR = 150;

    public function actor()
    {
        return $this->belongsTo(Profile::class, 'profile_id', 'id');
    }

    public function target()
    {
        return $this->belongsTo(Profile::class, 'following_id', 'id');
    }

    public function profile()
    {
        return $this->belongsTo(Profile::class, 'following_id', 'id');
    }

    public function permalink($append = null)
    {
        $path = $this->actor->permalink("#accepts/follows/{$this->id}{$append}");
        return url($path);
    }

    public function toText()
    {
        $actorName = $this->actor->username;

        return "{$actorName} ".__('notification.startedFollowingYou');
    }

    public function toHtml()
    {
        $actorName = $this->actor->username;
        $actorUrl = $this->actor->url();

        return "<a href='{$actorUrl}' class='profile-link'>{$actorName}</a> ".
          __('notification.startedFollowingYou');
    }
}