How to make one to many relationship in laravel - php

Question

I'm trying to make a one to many relationship using eloquent model and want to show the products in the specified category
that is my product model :
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\softDeletes;
class Product extends Model
{
use softDeletes;
protected $table='products';
public function category(){
return $this->belongsTo('App\Category');
}
}
And that is my category model :
<?php
namespace App;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\softDeletes;
class Category extends Model
{
use softDeletes;
protected $table='category';
public function product(){
return $this->hasMany('App\Product','category_id','id');
}
}
And that's the product controller :
<?php
namespace App\Http\Controllers;
use Illuminate\Http\Request;
use App\Http\Requests;
use App\Http\Controllers\Controller;
use App\Product;
use App\Category;
class productsController extends Controller
{
public function getShow($id,Request $request){
$in=$request->get('id');
$category=Category::all();
$product=Product::find($id);
$products=$product->category()->where('category_id','=',$in);
return view ('contents.products')->with('products',$products)
->with('category',$category);
}
}
And this is the product table :
public function up()
{
Schema::create('products', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->string('category_id');
$table->string('describtion');
$table->string('image_name');
$table->timestamps();
$table->softDeletes();
});
}
And that is the category table :
public function up()
{
Schema::create('category', function (Blueprint $table) {
$table->increments('id');
$table->string('name');
$table->timestamps();
$table->softDeletes();
});
}
And it gives me this error : Call to a member function category() on a non-object
So how can i solve it ?

Answer 1

As far i understand your question :
In your controller:
$category = Category::find($id);
$products = $category->product;
Better yet you could use eager loading and forget about assigning products manually:
Controller:
$category = Category::with('product')->where('id', 1)->first();
Hope this help you .