Laravel-Backpack /
CRUD
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| Total Complexity | 66 |
| Total Lines | 410 |
| Duplicated Lines | 0 % |
| Changes | 2 | ||
| Bugs | 2 | Features | 0 |
Complex classes like Search often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use Search, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 9 | trait Search |
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| 10 | { |
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| 11 | /* |
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| 12 | |-------------------------------------------------------------------------- |
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| 13 | | SEARCH |
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| 14 | |-------------------------------------------------------------------------- |
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| 15 | */ |
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| 16 | |||
| 17 | /** |
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| 18 | * Add conditions to the CRUD query for a particular search term. |
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| 19 | * |
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| 20 | * @param string $searchTerm Whatever string the user types in the search bar. |
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| 21 | * @return \Illuminate\Database\Eloquent\Builder |
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| 22 | */ |
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| 23 | public function applySearchTerm($searchTerm) |
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| 32 | } |
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| 33 | }); |
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| 34 | } |
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| 35 | |||
| 36 | /** |
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| 37 | * Apply the search logic for each CRUD column. |
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| 38 | */ |
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| 39 | public function applySearchLogicForColumn($query, $column, $searchTerm) |
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| 40 | { |
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| 41 | $columnType = $column['type']; |
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| 42 | |||
| 43 | // if there's a particular search logic defined, apply that one |
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| 44 | if (isset($column['searchLogic'])) { |
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| 45 | $searchLogic = $column['searchLogic']; |
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| 46 | |||
| 47 | // if a closure was passed, execute it |
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| 48 | if (is_callable($searchLogic)) { |
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| 49 | return $searchLogic($query, $column, $searchTerm); |
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| 50 | } |
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| 51 | |||
| 52 | // if a string was passed, search like it was that column type |
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| 53 | if (is_string($searchLogic)) { |
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| 54 | $columnType = $searchLogic; |
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| 55 | } |
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| 56 | |||
| 57 | // if false was passed, don't search this column |
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| 58 | if ($searchLogic == false) { |
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| 59 | return; |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | // sensible fallback search logic, if none was explicitly given |
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| 64 | if ($column['tableColumn']) { |
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| 65 | $searchOperator = config('backpack.operations.list.searchOperator', 'like'); |
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| 66 | |||
| 67 | switch ($columnType) { |
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| 68 | case 'email': |
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| 69 | case 'text': |
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| 70 | case 'textarea': |
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| 71 | $query->orWhere($this->getColumnWithTableNamePrefixed($query, $column['name']), $searchOperator, '%'.$searchTerm.'%'); |
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| 72 | break; |
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| 73 | |||
| 74 | case 'date': |
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| 75 | case 'datetime': |
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| 76 | $validator = Validator::make(['value' => $searchTerm], ['value' => 'date']); |
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| 77 | |||
| 78 | if ($validator->fails()) { |
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| 79 | break; |
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| 80 | } |
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| 81 | |||
| 82 | $query->orWhereDate($this->getColumnWithTableNamePrefixed($query, $column['name']), Carbon::parse($searchTerm)); |
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| 83 | break; |
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| 84 | |||
| 85 | case 'select': |
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| 86 | case 'select_multiple': |
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| 87 | $query->orWhereHas($column['entity'], function ($q) use ($column, $searchTerm, $searchOperator) { |
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| 88 | $q->where($this->getColumnWithTableNamePrefixed($q, $column['attribute']), $searchOperator, '%'.$searchTerm.'%'); |
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| 89 | }); |
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| 90 | break; |
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| 91 | |||
| 92 | default: |
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| 93 | return; |
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| 94 | break; |
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| 95 | } |
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| 96 | } |
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| 97 | } |
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| 98 | |||
| 99 | /** |
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| 100 | * Apply the datatables order to the crud query. |
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| 101 | */ |
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| 102 | public function applyDatatableOrder() |
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| 103 | { |
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| 104 | if (request()->input('order')) { |
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| 105 | // clear any past orderBy rules |
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| 106 | $this->query->getQuery()->orders = null; |
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| 107 | foreach ((array) request()->input('order') as $order) { |
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| 108 | $column_number = (int) $order['column']; |
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| 109 | $column_direction = (strtolower((string) $order['dir']) == 'asc' ? 'ASC' : 'DESC'); |
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| 110 | $column = $this->findColumnById($column_number); |
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| 111 | if ($column['tableColumn'] && ! isset($column['orderLogic'])) { |
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| 112 | if (method_exists($this->model, 'translationEnabled') && |
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| 113 | $this->model->translationEnabled() && |
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| 114 | $this->model->isTranslatableAttribute($column['name']) && |
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| 115 | $this->isJsonColumnType($column['name']) |
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| 116 | ) { |
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| 117 | $this->orderByWithPrefix($column['name'].'->'.app()->getLocale(), $column_direction); |
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| 118 | } else { |
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| 119 | $this->orderByWithPrefix($column['name'], $column_direction); |
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| 120 | } |
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| 121 | } |
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| 122 | |||
| 123 | // check for custom order logic in the column definition |
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| 124 | if (isset($column['orderLogic'])) { |
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| 125 | $this->customOrderBy($column, $column_direction); |
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | |||
| 130 | // show newest items first, by default (if no order has been set for the primary column) |
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| 131 | // if there was no order set, this will be the only one |
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| 132 | // if there was an order set, this will be the last one (after all others were applied) |
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| 133 | // Note to self: `toBase()` returns also the orders contained in global scopes, while `getQuery()` don't. |
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| 134 | $orderBy = $this->query->toBase()->orders; |
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| 135 | $table = $this->model->getTable(); |
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| 136 | $key = $this->model->getKeyName(); |
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| 137 | |||
| 138 | $hasOrderByPrimaryKey = collect($orderBy)->some(function ($item) use ($key, $table) { |
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| 139 | return (isset($item['column']) && $item['column'] === $key) |
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| 140 | || (isset($item['sql']) && str_contains($item['sql'], "$table.$key")); |
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| 141 | }); |
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| 142 | |||
| 143 | if (! $hasOrderByPrimaryKey) { |
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| 144 | $this->orderByWithPrefix($key, 'DESC'); |
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| 145 | } |
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| 146 | } |
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| 147 | |||
| 148 | // ------------------------- |
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| 149 | // Responsive Table |
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| 150 | // ------------------------- |
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| 151 | |||
| 152 | /** |
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| 153 | * Tell the list view to NOT show a reponsive DataTable. |
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| 154 | * |
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| 155 | * @param bool $value |
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| 156 | */ |
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| 157 | public function setResponsiveTable($value = true) |
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| 158 | { |
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| 159 | $this->setOperationSetting('responsiveTable', $value); |
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| 160 | } |
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| 161 | |||
| 162 | /** |
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| 163 | * Check if responsiveness is enabled for the table view. |
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| 164 | * |
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| 165 | * @return bool |
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| 166 | */ |
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| 167 | public function getResponsiveTable() |
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| 168 | { |
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| 169 | if ($this->getOperationSetting('responsiveTable') !== null) { |
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| 170 | return $this->getOperationSetting('responsiveTable'); |
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| 171 | } |
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| 172 | |||
| 173 | return config('backpack.crud.operations.list.responsiveTable'); |
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| 174 | } |
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| 175 | |||
| 176 | /** |
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| 177 | * Remember to show a responsive table. |
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| 178 | */ |
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| 179 | public function enableResponsiveTable() |
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| 180 | { |
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| 181 | $this->setResponsiveTable(true); |
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| 182 | } |
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| 183 | |||
| 184 | /** |
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| 185 | * Remember to show a table with horizontal scrolling. |
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| 186 | */ |
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| 187 | public function disableResponsiveTable() |
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| 190 | } |
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| 191 | |||
| 192 | // ------------------------- |
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| 193 | // Persistent Table |
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| 194 | // ------------------------- |
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| 195 | |||
| 196 | /** |
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| 197 | * Tell the list view to NOT store datatable information in local storage. |
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| 198 | * |
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| 199 | * @param bool $value |
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| 200 | */ |
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| 201 | public function setPersistentTable($value = true) |
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| 202 | { |
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| 203 | return $this->setOperationSetting('persistentTable', $value); |
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| 204 | } |
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| 205 | |||
| 206 | /** |
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| 207 | * Check if saved state is enabled for the table view. |
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| 208 | * |
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| 209 | * @return bool |
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| 210 | */ |
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| 211 | public function getPersistentTable() |
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| 212 | { |
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| 213 | if ($this->getOperationSetting('persistentTable') !== null) { |
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| 214 | return $this->getOperationSetting('persistentTable'); |
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| 215 | } |
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| 216 | |||
| 217 | return config('backpack.crud.operations.list.persistentTable'); |
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| 218 | } |
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| 219 | |||
| 220 | /** |
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| 221 | * Get duration for persistent table. |
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| 222 | * |
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| 223 | * @return bool |
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| 224 | */ |
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| 225 | public function getPersistentTableDuration() |
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| 232 | } |
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| 233 | |||
| 234 | /** |
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| 235 | * Remember to show a persistent table. |
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| 236 | */ |
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| 237 | public function enablePersistentTable() |
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| 238 | { |
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| 239 | return $this->setPersistentTable(true); |
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| 240 | } |
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| 241 | |||
| 242 | /** |
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| 243 | * Remember to show a table that doesn't store URLs and pagination in local storage. |
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| 244 | */ |
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| 245 | public function disablePersistentTable() |
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| 246 | { |
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| 247 | return $this->setPersistentTable(false); |
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| 248 | } |
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| 249 | |||
| 250 | /** |
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| 251 | * Get the HTML of the cells in a table row, for a certain DB entry. |
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| 252 | * |
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| 253 | * @param \Illuminate\Database\Eloquent\Model $entry A db entry of the current entity; |
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| 254 | * @param bool|int $rowNumber The number shown to the user as row number (index); |
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| 255 | * @return array Array of HTML cell contents. |
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| 256 | */ |
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| 257 | public function getRowViews($entry, $rowNumber = false) |
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| 258 | { |
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| 259 | $row_items = []; |
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| 260 | |||
| 261 | foreach ($this->columns() as $key => $column) { |
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| 262 | $row_items[] = $this->getCellView($column, $entry, $rowNumber); |
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| 263 | } |
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| 264 | |||
| 265 | // add the buttons as the last column |
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| 266 | if ($this->buttons()->where('stack', 'line')->count()) { |
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| 267 | $row_items[] = \View::make('crud::inc.button_stack', ['stack' => 'line']) |
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| 268 | ->with('crud', $this) |
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| 269 | ->with('entry', $entry) |
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| 270 | ->with('row_number', $rowNumber) |
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| 271 | ->render(); |
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| 272 | } |
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| 273 | |||
| 274 | // add the bulk actions checkbox to the first column |
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| 275 | if ($this->getOperationSetting('bulkActions')) { |
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| 276 | $bulk_actions_checkbox = \View::make('crud::columns.inc.bulk_actions_checkbox', ['entry' => $entry])->render(); |
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| 277 | $row_items[0] = $bulk_actions_checkbox.$row_items[0]; |
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| 278 | } |
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| 279 | |||
| 280 | // add the details_row button to the first column |
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| 281 | if ($this->getOperationSetting('detailsRow')) { |
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| 282 | $details_row_button = \View::make('crud::columns.inc.details_row_button') |
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| 283 | ->with('crud', $this) |
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| 284 | ->with('entry', $entry) |
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| 285 | ->with('row_number', $rowNumber) |
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| 286 | ->render(); |
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| 287 | $row_items[0] = $details_row_button.$row_items[0]; |
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| 288 | } |
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| 289 | |||
| 290 | return $row_items; |
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| 291 | } |
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| 292 | |||
| 293 | /** |
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| 294 | * Get the HTML of a cell, using the column types. |
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| 295 | * |
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| 296 | * @param array $column |
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| 297 | * @param \Illuminate\Database\Eloquent\Model $entry A db entry of the current entity; |
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| 298 | * @param bool|int $rowNumber The number shown to the user as row number (index); |
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| 299 | * @return string |
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| 300 | */ |
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| 301 | public function getCellView($column, $entry, $rowNumber = false) |
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| 302 | { |
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| 303 | return $this->renderCellView($this->getCellViewName($column), $column, $entry, $rowNumber); |
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| 304 | } |
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| 305 | |||
| 306 | /** |
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| 307 | * Get the name of the view to load for the cell. |
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| 308 | * |
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| 309 | * @param array $column |
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| 310 | * @return string |
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| 311 | */ |
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| 312 | private function getCellViewName($column) |
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| 342 | } |
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| 343 | |||
| 344 | /** |
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| 345 | * Return the column view HTML. |
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| 346 | * |
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| 347 | * @param array $column |
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| 348 | * @param object $entry |
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| 349 | * @return string |
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| 350 | */ |
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| 351 | public function getTableCellHtml($column, $entry) |
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| 352 | { |
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| 353 | return $this->renderCellView($this->getCellViewName($column), $column, $entry); |
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| 354 | } |
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| 355 | |||
| 356 | /** |
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| 357 | * Render the given view. |
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| 358 | * |
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| 359 | * @param string $view |
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| 360 | * @param array $column |
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| 361 | * @param object $entry |
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| 362 | * @param bool|int $rowNumber The number shown to the user as row number (index) |
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| 363 | * @return string |
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| 364 | */ |
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| 365 | private function renderCellView($view, $column, $entry, $rowNumber = false) |
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| 366 | { |
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| 367 | if (! view()->exists($view)) { |
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| 368 | $view = 'crud::columns.text'; // fallback to text column |
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| 369 | } |
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| 370 | |||
| 371 | return \View::make($view) |
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| 372 | ->with('crud', $this) |
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| 373 | ->with('column', $column) |
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| 374 | ->with('entry', $entry) |
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| 375 | ->with('rowNumber', $rowNumber) |
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| 376 | ->render(); |
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| 377 | } |
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| 378 | |||
| 379 | /** |
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| 380 | * Created the array to be fed to the data table. |
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| 381 | * |
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| 382 | * @param array $entries Eloquent results. |
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| 383 | * @param int $totalRows |
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| 384 | * @param int $filteredRows |
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| 385 | * @param bool|int $startIndex |
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| 386 | * @return array |
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| 387 | */ |
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| 388 | public function getEntriesAsJsonForDatatables($entries, $totalRows, $filteredRows, $startIndex = false) |
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| 389 | { |
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| 390 | $rows = []; |
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| 391 | |||
| 392 | foreach ($entries as $row) { |
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| 393 | $rows[] = $this->getRowViews($row, $startIndex === false ? false : ++$startIndex); |
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| 394 | } |
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| 395 | |||
| 396 | return [ |
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| 397 | 'draw' => (isset($this->getRequest()['draw']) ? (int) $this->getRequest()['draw'] : 0), |
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| 398 | 'recordsTotal' => $totalRows, |
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| 399 | 'recordsFiltered' => $filteredRows, |
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| 400 | 'data' => $rows, |
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| 401 | ]; |
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| 402 | } |
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| 403 | |||
| 404 | /** |
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| 405 | * Return the column attribute (column in database) prefixed with table to use in search. |
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| 406 | * |
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| 407 | * @param \Illuminate\Database\Eloquent\Builder $query |
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| 408 | * @param string $column |
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| 409 | * @return string |
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| 410 | */ |
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| 411 | public function getColumnWithTableNamePrefixed($query, $column) |
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| 412 | { |
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| 413 | return $query->getModel()->getTable().'.'.$column; |
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| 414 | } |
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| 415 | |||
| 416 | private function isJsonColumnType(string $columnName) |
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| 419 | } |
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| 420 | } |
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| 421 |
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