| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace Eliurkis\Crud; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use DB; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Illuminate\Http\Request; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | trait CrudDataTable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  |     protected $dataTableActivated = true; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 12 |  |  |     public function indexDataTable(Request $request) | 
            
                                                                        
                            
            
                                    
            
            
                | 13 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 14 |  |  |         if ($request->ajax() || $request->wantsJson()) { | 
            
                                                                        
                            
            
                                    
            
            
                | 15 |  |  |             return $this->indexDataTableResults($request); | 
            
                                                                        
                            
            
                                    
            
            
                | 16 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 17 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 18 |  |  |         return view('crud::list-datatable') | 
            
                                                                        
                            
            
                                    
            
            
                | 19 |  |  |             ->with('rows', []) | 
            
                                                                        
                            
            
                                    
            
            
                | 20 |  |  |             ->with('fields', $this->fields) | 
                            
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                | 21 |  |  |             ->with('columns', $this->columns) | 
                            
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                | 22 |  |  |             ->with('searchable', $this->searchable) | 
                            
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                | 23 |  |  |             ->with('buttons', $this->buttons) | 
                            
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                | 24 |  |  |             ->with('paginate', $this->paginate) | 
                            
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                | 25 |  |  |             ->with('t', $this->texts) | 
                            
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                | 26 |  |  |             ->with('htmlFilters', $this->htmlFilters) | 
                            
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                | 27 |  |  |             ->with('listDisplay', $this->listDisplay) | 
                            
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                | 28 |  |  |             ->with('request', $request) | 
            
                                                                        
                            
            
                                    
            
            
                | 29 |  |  |             ->with('orderBy', $this->orderBy) | 
                            
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                | 30 |  |  |             ->with('route', $this->route); | 
                            
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                | 31 |  |  |     } | 
            
                                                                        
                            
            
                                    
            
            
                | 32 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     public function indexDataTableResults(Request $request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |         list($colSortBy, $colOrderBy) = $this->getSortInformation($this->columns, $request); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |         list($totalRows, $totalRowsFiltered) = $this->getRowsTotals($request->get('search')['value'] ?? null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         $query = $this->entity->orderBy($colSortBy, $colOrderBy); | 
                            
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                | 39 |  |  |         $query = $this->applySearchScope($query, $request->get('search')['value'] ?? null); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |         $rows = $query->offset($request->get('start') ?? 0) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |             ->limit($request->get('length') ?? $totalRows) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             ->get(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         return response()->json([ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |             'data'            => $rows, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |             'draw'            => (int) ($request->get('draw') ?? 0), | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |             'recordsFiltered' => $totalRowsFiltered, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |             'recordsTotal'    => $totalRows, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |             'colSortBy'       => $colSortBy, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |             'colOrderBy'      => $colOrderBy, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |         ]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |     protected function getSortInformation($cols, $request) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |         return [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |             $cols[$request->get('order')[0]['column'] ?? 0], | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |             $request->get('order')[0]['dir'] ?? 'asc', | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     protected function getRowsTotals($searchValue = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |         $totalRows = $totalRowsFiltered = $this->getRowsTotal(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |         if ($searchValue != '' && $this->searchable) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |             $totalRowsFiltered = $this->getRowsTotal($searchValue); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |         return [$totalRows, $totalRowsFiltered]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     protected function getRowsTotal($searchValue = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         $query = $this->entity->select(DB::raw('count(*) as total')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |         $query = $this->applySearchScope($query, $searchValue); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |         return $query->first() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |             ->total; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     protected function applySearchScope($query, $searchValue = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |         if ($searchValue == '' || !$this->searchable) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |             return $query; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         $searchable = $this->searchable; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |         return $query->where(function ($query) use ($searchValue, $searchable) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |             foreach ($searchable as $key => $field) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |                 $query = $key === 0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |                     ? $query->where($field, 'like', '%'.$searchValue.'%') | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |                     : $query->orWhere($field, 'like', '%'.$searchValue.'%'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |             return $query; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         }); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 101 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 102 |  |  |  | 
            
                        
In PHP it is possible to write to properties without declaring them. For example, the following is perfectly valid PHP code:
Generally, it is a good practice to explictly declare properties to avoid accidental typos and provide IDE auto-completion: