Laravel 5 where clause from another table - php

Question

I have a simple code and what I want to do is to access a field from another table and put it in my where clause. This is my code:
ReportController.php
$reservations = Reservation::with('charge', 'room', 'client')
-> whereBetween('reservation_from', [$from, $to])
-> where('room.type', \Request::input('type')) //what should this be
-> orderBy('created_at')
-> get();
Room.php
class Room extends Model
{
use SoftDeletes;
protected $table = 'rooms';
protected $fillable = ['id', 'roomNumber', 'type', 'price', 'description'];
public function reservations() {
return $this->hasMany('App\Reservation', 'id', 'room_number');
}
}
Reservation.php
class Reservation extends Model
{
use SoftDeletes;
protected $table = 'reservations';
protected $fillable = ['roomNumber', 'clientId', 'reservation_from', 'reservation_to'];
public function room() {
return $this->belongsTo('App\Room');
}
}
Schema:
As you can see in the ReportController.php, there is a comment saying "what should this be", that's the part that I want to fix. What I wanted to do is access the type field in the rooms table in my eloquent query.
The query that I want to do is like this:
select * from `reservations` where `reservation_from` between '2015-10-29' and '2015-10-29' and `rooms.type` = "test"
Is there a way to do this? Thank you.

Answer 1

What you are looking for is the whereHas method.
$reservations = Reservation::with('charge', 'room', 'client')
->whereBetween('reservation_from', [$from, $to])
->whereHas('room', function($query) {
$query->where('type', '=', \Request::input('type'));
})
->orderBy('created_at')
->get();
Link to docs: http://laravel.com/docs/5.1/eloquent-relationships#querying-relations
Edit:
Editing this to clarify some things in the comments.
To create convenient, reusable query constraints to make your code cleaner, you can use query constraints: http://laravel.com/docs/5.1/eloquent#query-scopes
Also, because queries can be chained, you can do something like this:
// Create query with common constraints
$query = Reservation::with('charge', 'room', 'client')
->whereBetween('reservation_from', [$from, $to]);
// Ternary operator to decide whether or not to add whereHas constraint
$query = (\Request::input('type') == "all") ? $query : $query->whereHas('room', function($query) {
$query->where('type', '=', \Request::input('type'));
});
// Finally, fetch the results sorted by 'latest', which is a convenient way of doing "orderBy('created')"
$reservations = $query->latest()->get();

Answer 2

I believe you are looking to do this. Updated per your question update. The with method takes a string or an array.
$reservations = Reservation::with(['charge', 'client', 'room' =>
function($query){
$query->where('type', \Request::input('type'));
}])
->whereBetween('reservation_from', [$from, $to])
->orderBy('created_at')
->get();