v2.tiantianxinye.365care/app/Models/Area.php

<?php

namespace App\Models;

class Area extends SoftDeletesModel
{
    protected $table = "area";

    public function building()
    {
        return $this->belongsTo(Building::class);
    }

    public function rooms()
    {
        return $this->hasMany(Room::class);
    }

    public function beds()
    {
        return $this->hasMany(Bed::class);
    }

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