PHP code example of clickbar / laravel-custom-relations

1. Go to this page and download the library: Download clickbar/laravel-custom-relations library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

clickbar / laravel-custom-relations example snippets


$client = $task->order->project->client;
$tasks = $client->projects->flatMap(fn(Project $project) => $project->order->flatMap(fn(Order $order) => $order->tasks));


$client = $task->client;
$tasks = $client->tasks;


use Clickbar\LaravelCustomRelations\Traits\HasCustomRelation;


class Client extends Model{
    
    use HasCustomRelation;
    
    ...
}


class Task extends Model {

    use HasCustomRelation;

    public function client(): CustomRelationSingle {
        return $this->customRelationSingle(
            Client::class,
            function ($query) {
                $query
                    ->join('projects', 'clients.id', 'client_id')
                    ->join('orders', 'projects.id', 'project_id')
                    ->join('tasks', 'orders.id', 'order_id');
            },
        );
    }
}


class Client extends Model {

    use HasCustomRelation;

    public function tasks(): CustomRelation {
        return $this->customRelation(
            Task::class,
            function ($query) {
                $query
                    ->join('orders', 'orders.id', 'order_id')
                    ->join('projects', 'projects.id', 'project_id')
                    ->join('clients', 'clients.id', 'client_id');
            },
        );
    }
}


class Task extends Model {

    use HasCustomRelation;

    public function client(): CustomRelationSingle {
        return $this->customRelationFromParentSingle(
            Client::class,
            function ($query) {
                $query
                    ->join('orders', 'orders.id', 'order_id')
                    ->join('projects', 'projects.id', 'project_id')
                    ->join('clients', 'clients.id', 'client_id');
            },
        );
    }
}


class Client extends Model {

    use HasCustomRelation;

    public function tasks(): CustomRelation {
        return $this->customRelationFromParent(
            Task::class,
            function ($query) {
                $query
                    ->join('projects', 'clients.id', 'client_id')
                    ->join('orders', 'projects.id', 'project_id')
                    ->join('tasks', 'orders.id', 'order_id');
            },
        );
    }
}