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How to get order relation in laravel


By : Alexandre NIO
Date : August 28 2020, 09:00 PM
this one helps. I have 1 relation , Create relationship in your Order model as ,
code :
public function order_details()
{
    return $this->hasOne('App\OrderDetail','order_id','id');
}
public function product_details()
{
    return $this->belongsTo('App\Product','id','product_id'); // first foreign key then local key
}
$orders = Order::all(); 
return view('view_name',compact('orders'));
@foreach ($orders as $order)
    @if ($order->order_details)
        {{$order->order_details->num_of_product}}
        @if($order->order_details->product_details)
            {{$order->order_details->product_details->title}}
            {{$order->order_details->product_details->num_of_existed}}
            {{$order->order_details->product_details->price}}
        @endif
    @endif
@endforeach


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Laravel Eloquent order Relation


By : user2952370
Date : March 29 2020, 07:55 AM
it should still fix some issue You can use the returned relation as a builder object from your relation method.
code :
$page->photos()->orderBy('order')->get();

Count and order by relation with Laravel and Eloquent


By : nikki
Date : March 29 2020, 07:55 AM
wish help you to fix your issue You can use withCount to retrieve relation count and order it with orderBy(*_count). Something like,
code :
Post::withCount('comments')->orderBy('comments_count', 'desc')->get()

Laravel order a relation by method on the model


By : Adnan Khan
Date : March 29 2020, 07:55 AM
it helps some times One solution will be use collection sortBy.
First make queueLength as an attribute.
code :
public function getQueueLengthAttribute()
{
    // returns an integer for the users queue length
}
$team->users->sortBy('queueLength');

Laravel order by relation with join


By : user1474381
Date : March 29 2020, 07:55 AM
this will help You can use a modified withCount():
code :
return $this->customer->where('status', 1)
    ->whereDoesntHave('activeAssignments')
    ->with('latestDismissal')
    ->withCount(['latestDismissal as dismissal_order' => function($query) {
        $query->select('valid_at_timestamp')->latest('id')->limit(1);
    }])
    ->orderBy('dismissal_order')
    ->paginate(config('app.pagination'));

Order by count in many to many polymorphic relation in Laravel


By : Asad N
Date : March 29 2020, 07:55 AM
This might help you So after more searching I find out there is no way to do it with only in one query due to the fact that in mysql we can't do a select on subselet results. So doing Tag::withCount(['videos', 'posts']) and trying to sum in the query the videos_count and posts_count will not work. My best approach was to create a scope that read results in the pivot table :
code :
public function scopeWithTaggablesCount($query) {
    if (is_null($query->getQuery()->columns)) {
        $query->select($query->getQuery()->from . '.*');
    }

    $query->selectSub(function ($query) {
        $query->selectRaw('count(*)')
            ->from('taggables')
            ->whereColumn('taggables.tag_id', 'tags.id');
    }, 'taggables_count');

    return $query;
}
$tags = Tag::withTaggablesCount()->orderBy('name', 'ASC')->get();
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