78 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| namespace kernel\IGTabel;
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| 
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| use app\helpers\Debug;
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| use Exception;
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| use Illuminate\Database\Eloquent\Model;
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| 
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| class EloquentDataProvider
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| {
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|     protected int $totalCount;
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| 
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|     protected int $perPage = 10;
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| 
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|     protected int $currentPage = 1;
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| 
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|     protected Model $model;
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| 
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|     protected $queryBuilder = false;
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| 
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|     protected array $options = [];
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|     protected array $meta = [];
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|     protected string $jsonStr = '';
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| 
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|     /**
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|      * @throws Exception
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|      */
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|     public function __construct($source, array $options)
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|     {
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|         if (is_string($source)) {
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|             $this->queryBuilder = $source::query();
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|             $model = new $source();
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|         } elseif (is_object($source)) {
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|             $this->queryBuilder = $source;
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|             $model = $source->getModel();
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|         } else {
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|             throw new Exception(message: "source is not valid");
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|         }
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|         $this->options = $options;
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|         $this->currentPage = $this->options['currentPage'] ?? 1;
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|         $this->perPage = $this->options['perPage'] ?? 10;
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|         $this->meta['total'] = $model->count();
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|         $this->meta['totalWithFilters'] = $this->queryBuilder->count();
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|         $this->meta['columns'] = $options['columns'] ?? $model->labels();
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|         $this->meta['perPage'] = $options['perPage'] ?? 10;
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|         $this->meta['currentPage'] = $options['currentPage'] ?? 1;
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|         $this->meta['baseUrl'] = $options['baseUrl'] ?? $model->table;
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|         $this->meta['params'] = $options['params'] ?? [];
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|         $this->meta['actions'] = $options['actions'] ?? [];
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|         $this->createQuery();
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| 
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|         $this->jsonStr = (new JSONCreator($this->meta, $this->getCollection()->toArray()))->getJson();
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| 
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|     }
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| 
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|     public function createQuery(): void
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|     {
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|         if ($this->currentPage > 1) {
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|             $this->queryBuilder->skip(($this->currentPage - 1) * $this->perPage)->take($this->perPage);
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|         } else {
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|             $this->queryBuilder->take($this->perPage);
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|         }
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|     }
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| 
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|     public function getCollection()
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|     {
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|         return $this->queryBuilder->get();
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|     }
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| 
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|     /**
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|      * @return string|null
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|      */
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|     public function getJson(): string|null
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|     {
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|         return $this->jsonStr;
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|     }
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| 
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| } |