laravel 5.1 MorphToMany & MorphByMany with custom fields - php

Question

I am having custom fields in table and want to MorpTohmany with other tables. how to do it with custom fields.
In below model (salepurchase) request_to is supplier model foreign key, where salepurchase_type and salepurchase_id these will contain other model relation, Like Warehouse, Shop etc
SalePurchase Model
+----+------------+-------------------+-----------------+-------------+
| id | request_to | salepurchase_type | salepurchase_id | total_items |
+----+------------+-------------------+-----------------+-------------+
| 1 | 1 | Warehouse | 1 | 10 |
| 2 | 1 | Warehouse | 1 | 10 |
| 3 | 1 | Warehouse | 1 | 11 |
| 4 | 1 | Shop | 7 | 15 |
| 5 | 1 | Shop | 5 | 19 |
+----+------------+-------------------+-----------------+-------------+
Warehouse Model
+----+-------------+
| id | name |
+----+-------------+
| 1 | warehosue 1 |
| 2 | warehosue 2 |
Shop Model
+----+-------------+
| id | name |
+----+-------------+
| 5 | Shop 1 |
| 7 | Shop 2 |
Supplier Model
+----+--------------------------+
| id | qualified_person |
+----+--------------------------+
| 1 | Marks |
| 2 | test |
+----+--------------------------+

Answer 1

In your models, just add the relationship:
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class SalePurchase extends Model
{
/**
* Get all of the owning salepurchase models.
*/
public function salepurchase()
{
return $this->morphTo();
}
public function supplier()
{
return $this->belongsTo('App\Supplier','request_to','id');
}
}
Then in the other Models:
class Shop extends Model
{
/**
* Get all of the Shop's purchases.
*/
public function salepurchases()
{
return $this->morphMany('App\SalePurchase', 'salepurchase');
}
}
In your Supplier Model:
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
class Supplier extends Model
{
public function salepurchases()
{
return $this->hasMany('App\SalePurchases');
}
}
I do not see a need to MorphedByMany here. As the SalePurchases table hold the Morphed fields.