liwo/app/Models/Sprint.php

<?php

namespace App\Models;

use App\Models\Model;

class Sprint extends Model
{
    protected $table = 'sprints';

    protected $fillable = ['business_id', 'project_id', 'name', 'description', 'started_at', 'ended_at', 'active'];

    protected $reportable = [
        'name', 'started_at', 'ended_at', // fields
    ];


    public function rules()
    {
        return [
            'name' => 'bail|required|string|min:2|max:225',
            'started_at' => 'bail|required|date|date_format:Y-m-d',
            'ended_at' => 'bail|required|date|date_format:Y-m-d|after:started_at',
            'active' => 'nullable|boolean',
            'description' => 'nullable|string|min:2|max:1000',
        ];
    }

    protected $casts = [
        'active' => 'boolean'
    ];

    public function getValueOf(?string $key)
    {
        $values = [
            'business_id' => $this->business_id,
            'project_id' => $this->project_id,
            'sprint_id' => $this->id,
            'workflow_id' => null,
            'status_id' => null,
            'system_id' => null,
            'user_id' => null,
            'task_id' => null,
            'subject_id' => $this->id,
        ];

        if ($key && isset($values, $key)) {
            return $values[$key];
        }

        return $values;
    }


    public function business()
    {
        return $this->belongsTo(Business::class, 'business_id', 'id');
    }

    public function projects()
    {
        return $this->belongsTo(Project::class, 'project_id', 'id');
    }

    public function tasks()
    {
        return $this->hasMany(Task::class, 'sprint_id', 'id');
    }

}