muninn/app/Models/Template.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class Template extends Model
{
    use HasFactory;

    public const TYPES = [
        'twitter', 'instagram', 'facebook', 'reddit',
        'tiktok', 'linkedin', 'youtube', 'blog', 'other',
    ];

    protected $fillable = [
        'name',
        'body',
        'type',
        'title',
        'target',
        'placeholders',
    ];

    protected $casts = [
        'placeholders' => 'array',
    ];

    public function applyToPost(array $data): array
    {
        $result = [
            'title' => $this->title,
            'body' => $this->body,
            'type' => $this->type,
            'target' => $this->target,
        ];

        // Replace placeholders in all text fields
        if ($this->placeholders && is_array($data)) {
            foreach ($data as $key => $value) {
                if (in_array($key, $this->placeholders)) {
                    foreach (['title', 'body', 'target'] as $field) {
                        if ($result[$field]) {
                            $result[$field] = str_replace("{{$key}}", $value, $result[$field]);
                        }
                    }
                }
            }
        }

        return $result;
    }
}