a.montask/app/Models/User.php

<?php

namespace App\Models;

// use Illuminate\Contracts\Auth\MustVerifyEmail;

use Carbon\Carbon;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Foundation\Auth\User as Authenticatable;
use Illuminate\Notifications\Notifiable;
use Illuminate\Support\Facades\DB;
use Morilog\Jalali\Jalalian;


class User extends Authenticatable
{
    /** @use HasFactory<\Database\Factories\UserFactory> */
    use HasFactory, Notifiable;


    /**
     * The attributes that are mass assignable.
     *
     * @var list<string>
     */
    protected $fillable = [
        'email',
        'chatid',
        'name',
        'number',
        'password',
        'user_name',
        'is_admin',
        'plain_id',
        'break',
        'req_counts',

    ];

    /**
     * The attributes that should be hidden for serialization.
     *
     * @var list<string>
     */
    protected $hidden = [];

    /**
     * Get the attributes that should be cast.
     *
     * @return array<string, string>
     */
    protected function casts(): array
    {
        return [];
    }

    public function tasks()
    {
//        return $this->belongsToMany(Tasks::class, 'pivot_tasks', 'user_id', 'task_id');
        return $this->belongsToMany(
            Tasks::class,    // مدل مقصد
            'pivot_tasks',   // جدول واسط
            'user_id',       // ستون جدول واسط که به جدول users اشاره می‌کنه
            'task_id',       // ستون جدول واسط که به جدول tasks اشاره می‌کنه
            'plain_id',      // ستون جدول users که ستون جدول واسط بهش اشاره می‌کنه (local key)
            'task_id'        // ستون جدول tasks که ستون جدول واسط بهش اشاره می‌کنه (related key)
        )->withPivot(['id', 'started_at','ended_at','duration',]);
    }

    public function attendances()
    {

        return $this->hasMany(Attendance::class, 'user_identity', 'user_name')
            ->select('id', 'user_identity', 'entered_at', 'exited_at', 'duration','requested', 'distance', 'distance_exit')
            ->orderBy('entered_at', 'desc');


    }
    public function attendanceBreaks()
    {
        return $this->hasManyThrough(AttendanceBreak::class,Attendance::class,'user_identity','attendance_id',
            'user_name',      // local key در users
            'id'              // local key در attendances
        )->orderBy('id', 'desc');

    }


    public function thismonth($data)
    {

    }

    public function everymonth($data)
    {
        $result = [];

        foreach ($data->attendances as $att) {
            if ($att->entered_at) {
                $date = \Morilog\Jalali\Jalalian::fromCarbon(\Carbon\Carbon::parse($att->entered_at));
                $month = $date->format('%B');

                if (!isset($result[$month])) {
                    $result[$month] = [];
                }

                $result[$month][] = $att;
            }
        }


        return $result;
    }


}