Laravel-Backpack /
CRUD
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| Total Complexity | 52 |
| Total Lines | 464 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
Complex classes like CrudPanel 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 CrudPanel, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 40 | class CrudPanel |
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| 41 | { |
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| 42 | // load all the default CrudPanel features |
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| 43 | use Create, Read, Search, Update, Delete, Input, Errors, Reorder, Access, Columns, Fields, Query, Buttons, AutoSet, FakeFields, FakeColumns, AutoFocus, Filters, Tabs, Views, Validation, HeadingsAndTitles, Operations, SaveActions, Settings, Relationships, HasViewNamespaces, MorphRelationships; |
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| 44 | |||
| 45 | // allow developers to add their own closures to this object |
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| 46 | use Macroable; |
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| 47 | |||
| 48 | // -------------- |
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| 49 | // CRUD variables |
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| 50 | // -------------- |
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| 51 | // These variables are passed to the CRUD views, inside the $crud variable. |
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| 52 | // All variables are public, so they can be modified from your EntityCrudController. |
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| 53 | // All functions and methods are also public, so they can be used in your EntityCrudController to modify these variables. |
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| 54 | |||
| 55 | public $model = "\App\Models\Entity"; // what's the namespace for your entity's model |
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| 56 | |||
| 57 | public $route; // what route have you defined for your entity? used for links. |
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| 58 | |||
| 59 | public $entity_name = 'entry'; // what name will show up on the buttons, in singural (ex: Add entity) |
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| 60 | |||
| 61 | public $entity_name_plural = 'entries'; // what name will show up on the buttons, in plural (ex: Delete 5 entities) |
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| 62 | |||
| 63 | public $entry; |
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| 64 | |||
| 65 | protected $request; |
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| 66 | |||
| 67 | // The following methods are used in CrudController or your EntityCrudController to manipulate the variables above. |
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| 68 | |||
| 69 | public function __construct() |
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| 70 | { |
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| 71 | $this->setRequest(); |
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| 72 | |||
| 73 | if ($this->getCurrentOperation()) { |
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| 74 | $this->setOperation($this->getCurrentOperation()); |
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| 75 | } |
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| 76 | } |
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| 77 | |||
| 78 | /** |
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| 79 | * Set the request instance for this CRUD. |
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| 80 | * |
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| 81 | * @param \Illuminate\Http\Request $request |
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| 82 | */ |
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| 83 | public function setRequest($request = null) |
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| 84 | { |
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| 85 | $this->request = $request ?? \Request::instance(); |
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| 86 | } |
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| 87 | |||
| 88 | /** |
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| 89 | * Get the request instance for this CRUD. |
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| 90 | * |
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| 91 | * @return \Illuminate\Http\Request |
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| 92 | */ |
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| 93 | public function getRequest() |
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| 94 | { |
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| 95 | return $this->request; |
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| 96 | } |
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| 97 | |||
| 98 | // ------------------------------------------------------ |
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| 99 | // BASICS - model, route, entity_name, entity_name_plural |
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| 100 | // ------------------------------------------------------ |
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| 101 | |||
| 102 | /** |
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| 103 | * This function binds the CRUD to its corresponding Model (which extends Eloquent). |
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| 104 | * All Create-Read-Update-Delete operations are done using that Eloquent Collection. |
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| 105 | * |
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| 106 | * @param string $model_namespace Full model namespace. Ex: App\Models\Article |
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| 107 | * |
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| 108 | * @throws \Exception in case the model does not exist |
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| 109 | */ |
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| 110 | public function setModel($model_namespace) |
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| 111 | { |
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| 112 | if (! class_exists($model_namespace)) { |
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| 113 | throw new \Exception('The model does not exist.', 500); |
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| 114 | } |
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| 115 | |||
| 116 | if (! method_exists($model_namespace, 'hasCrudTrait')) { |
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| 117 | throw new \Exception('Please use CrudTrait on the model.', 500); |
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| 118 | } |
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| 119 | |||
| 120 | $this->model = new $model_namespace(); |
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| 121 | $this->query = clone $this->totalQuery = $this->model->select('*'); |
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| 122 | $this->entry = null; |
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| 123 | } |
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| 124 | |||
| 125 | /** |
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| 126 | * Get the corresponding Eloquent Model for the CrudController, as defined with the setModel() function. |
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| 127 | * |
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| 128 | * @return string|\Illuminate\Database\Eloquent\Model |
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| 129 | */ |
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| 130 | public function getModel() |
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| 131 | { |
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| 132 | return $this->model; |
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| 133 | } |
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| 134 | |||
| 135 | /** |
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| 136 | * Get the database connection, as specified in the .env file or overwritten by the property on the model. |
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| 137 | * |
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| 138 | * @return \Illuminate\Database\Schema\Builder |
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| 139 | */ |
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| 140 | private function getSchema() |
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| 143 | } |
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| 144 | |||
| 145 | /** |
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| 146 | * Check if the database connection driver is using mongodb. |
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| 147 | * |
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| 148 | * DEPRECATION NOTICE: This method is no longer used and will be removed in future versions of Backpack |
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| 149 | * |
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| 150 | * @deprecated |
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| 151 | * |
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| 152 | * @codeCoverageIgnore |
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| 153 | * |
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| 154 | * @return bool |
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| 155 | */ |
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| 156 | private function driverIsMongoDb() |
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| 157 | { |
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| 158 | return $this->getSchema()->getConnection()->getConfig()['driver'] === 'mongodb'; |
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| 159 | } |
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| 160 | |||
| 161 | /** |
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| 162 | * Check if the database connection is any sql driver. |
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| 163 | * |
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| 164 | * @return bool |
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| 165 | */ |
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| 166 | private function driverIsSql() |
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| 167 | { |
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| 168 | $driver = $this->getSchema()->getConnection()->getConfig('driver'); |
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| 169 | |||
| 170 | return in_array($driver, $this->getSqlDriverList()); |
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| 171 | } |
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| 172 | |||
| 173 | /** |
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| 174 | * Get SQL driver list. |
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| 175 | * |
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| 176 | * @return array |
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| 177 | */ |
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| 178 | public function getSqlDriverList() |
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| 179 | { |
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| 180 | return ['mysql', 'sqlsrv', 'sqlite', 'pgsql', 'mariadb']; |
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| 181 | } |
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| 182 | |||
| 183 | /** |
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| 184 | * Set the route for this CRUD. |
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| 185 | * Ex: admin/article. |
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| 186 | * |
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| 187 | * @param string $route Route name. |
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| 188 | */ |
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| 189 | public function setRoute($route) |
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| 190 | { |
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| 191 | $this->route = ltrim($route, '/'); |
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| 192 | } |
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| 193 | |||
| 194 | /** |
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| 195 | * Set the route for this CRUD using the route name. |
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| 196 | * Ex: admin.article. |
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| 197 | * |
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| 198 | * @param string $route Route name. |
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| 199 | * @param array $parameters Parameters. |
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| 200 | * |
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| 201 | * @throws \Exception |
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| 202 | */ |
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| 203 | public function setRouteName($route, $parameters = []) |
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| 204 | { |
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| 205 | $route = ltrim($route, '.'); |
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| 206 | |||
| 207 | $complete_route = $route.'.index'; |
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| 208 | |||
| 209 | if (! \Route::has($complete_route)) { |
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| 210 | throw new \Exception('There are no routes for this route name.', 404); |
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| 211 | } |
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| 212 | |||
| 213 | $this->route = route($complete_route, $parameters); |
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| 214 | } |
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| 215 | |||
| 216 | /** |
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| 217 | * Get the current CrudController route. |
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| 218 | * |
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| 219 | * Can be defined in the CrudController with: |
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| 220 | * - $this->crud->setRoute(config('backpack.base.route_prefix').'/article') |
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| 221 | * - $this->crud->setRouteName(config('backpack.base.route_prefix').'.article') |
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| 222 | * - $this->crud->route = config('backpack.base.route_prefix')."/article" |
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| 223 | * |
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| 224 | * @return string |
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| 225 | */ |
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| 226 | public function getRoute() |
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| 227 | { |
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| 228 | return $this->route; |
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| 229 | } |
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| 230 | |||
| 231 | /** |
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| 232 | * Set the entity name in singular and plural. |
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| 233 | * Used all over the CRUD interface (header, add button, reorder button, breadcrumbs). |
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| 234 | * |
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| 235 | * @param string $singular Entity name, in singular. Ex: article |
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| 236 | * @param string $plural Entity name, in plural. Ex: articles |
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| 237 | */ |
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| 238 | public function setEntityNameStrings($singular, $plural) |
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| 239 | { |
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| 240 | $this->entity_name = $singular; |
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| 241 | $this->entity_name_plural = $plural; |
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| 242 | } |
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| 243 | |||
| 244 | // ----------------------------------------------- |
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| 245 | // ACTIONS - the current operation being processed |
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| 246 | // ----------------------------------------------- |
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| 247 | |||
| 248 | /** |
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| 249 | * Get the action being performed by the controller, |
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| 250 | * including middleware names, route name, method name, |
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| 251 | * namespace, prefix, etc. |
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| 252 | * |
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| 253 | * @return string The EntityCrudController route action array. |
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| 254 | */ |
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| 255 | public function getAction() |
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| 256 | { |
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| 257 | return $this->getRequest()->route()->getAction(); |
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| 258 | } |
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| 259 | |||
| 260 | /** |
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| 261 | * Get the full name of the controller method |
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| 262 | * currently being called (including namespace). |
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| 263 | * |
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| 264 | * @return string The EntityCrudController full method name with namespace. |
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| 265 | */ |
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| 266 | public function getActionName() |
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| 269 | } |
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| 270 | |||
| 271 | /** |
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| 272 | * Get the name of the controller method |
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| 273 | * currently being called. |
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| 274 | * |
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| 275 | * @return string The EntityCrudController method name. |
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| 276 | */ |
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| 277 | public function getActionMethod() |
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| 278 | { |
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| 279 | return $this->getRequest()->route()->getActionMethod(); |
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| 280 | } |
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| 281 | |||
| 282 | /** |
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| 283 | * Check if the controller method being called |
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| 284 | * matches a given string. |
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| 285 | * |
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| 286 | * @param string $methodName Name of the method (ex: index, create, update) |
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| 287 | * @return bool Whether the condition is met or not. |
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| 288 | */ |
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| 289 | public function actionIs($methodName) |
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| 290 | { |
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| 291 | return $methodName === $this->getActionMethod(); |
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| 292 | } |
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| 293 | |||
| 294 | // ---------------------------------- |
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| 295 | // Miscellaneous functions or methods |
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| 296 | // ---------------------------------- |
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| 297 | |||
| 298 | /** |
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| 299 | * Return the first element in an array that has the given 'type' attribute. |
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| 300 | * |
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| 301 | * @param string $type |
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| 302 | * @param array $array |
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| 303 | * @return array |
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| 304 | */ |
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| 305 | public function getFirstOfItsTypeInArray($type, $array) |
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| 306 | { |
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| 307 | return Arr::first($array, function ($item) use ($type) { |
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| 308 | return $item['type'] == $type; |
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| 309 | }); |
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| 310 | } |
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| 311 | |||
| 312 | /** |
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| 313 | * TONE FUNCTIONS - UNDOCUMENTED, UNTESTED, SOME MAY BE USED IN THIS FILE. |
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| 314 | * |
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| 315 | * TODO: |
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| 316 | * - figure out if they are really needed |
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| 317 | * - comments inside the function to explain how they work |
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| 318 | * - write docblock for them |
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| 319 | * - place in the correct section above (CREATE, READ, UPDATE, DELETE, ACCESS, MANIPULATION) |
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| 320 | * |
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| 321 | * @deprecated |
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| 322 | * |
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| 323 | * @codeCoverageIgnore |
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| 324 | */ |
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| 325 | public function sync($type, $fields, $attributes) |
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| 326 | { |
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| 327 | if (! empty($this->{$type})) { |
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| 328 | $this->{$type} = array_map(function ($field) use ($fields, $attributes) { |
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| 329 | if (in_array($field['name'], (array) $fields)) { |
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| 330 | $field = array_merge($field, $attributes); |
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| 331 | } |
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| 332 | |||
| 333 | return $field; |
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| 334 | }, $this->{$type}); |
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| 335 | } |
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| 336 | } |
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| 337 | |||
| 338 | /** |
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| 339 | * Get the Eloquent Model name from the given relation definition string. |
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| 340 | * |
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| 341 | * @example For a given string 'company' and a relation between App/Models/User and App/Models/Company, defined by a |
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| 342 | * company() method on the user model, the 'App/Models/Company' string will be returned. |
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| 343 | * @example For a given string 'company.address' and a relation between App/Models/User, App/Models/Company and |
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| 344 | * App/Models/Address defined by a company() method on the user model and an address() method on the |
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| 345 | * company model, the 'App/Models/Address' string will be returned. |
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| 346 | * |
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| 347 | * @param string $relationString Relation string. A dot notation can be used to chain multiple relations. |
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| 348 | * @param int $length Optionally specify the number of relations to omit from the start of the relation string. If |
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| 349 | * the provided length is negative, then that many relations will be omitted from the end of the relation |
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| 350 | * string. |
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| 351 | * @param \Illuminate\Database\Eloquent\Model $model Optionally specify a different model than the one in the crud object. |
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| 352 | * @return string Relation model name. |
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| 353 | */ |
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| 354 | public function getRelationModel($relationString, $length = null, $model = null) |
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| 355 | { |
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| 356 | $relationArray = explode('.', $relationString); |
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| 357 | |||
| 358 | if (! isset($length)) { |
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| 359 | $length = count($relationArray); |
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| 360 | } |
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| 361 | |||
| 362 | if (! isset($model)) { |
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| 363 | $model = $this->model; |
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| 364 | } |
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| 365 | |||
| 366 | $result = array_reduce(array_splice($relationArray, 0, $length), function ($obj, $method) { |
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| 367 | try { |
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| 368 | $result = $obj->$method(); |
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| 369 | |||
| 370 | return $result->getRelated(); |
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| 371 | } catch (Exception $e) { |
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| 372 | return $obj; |
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| 373 | } |
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| 374 | }, $model); |
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| 375 | |||
| 376 | return get_class($result); |
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| 377 | } |
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| 378 | |||
| 379 | /** |
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| 380 | * Get the given attribute from a model or models resulting from the specified relation string (eg: the list of streets from |
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| 381 | * the many addresses of the company of a given user). |
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| 382 | * |
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| 383 | * @param \Illuminate\Database\Eloquent\Model $model Model (eg: user). |
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| 384 | * @param string $relationString Model relation. Can be a string representing the name of a relation method in the given |
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| 385 | * Model or one from a different Model through multiple relations. A dot notation can be used to specify |
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| 386 | * multiple relations (eg: user.company.address). |
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| 387 | * @param string $attribute The attribute from the relation model (eg: the street attribute from the address model). |
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| 388 | * @return array An array containing a list of attributes from the resulting model. |
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| 389 | */ |
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| 390 | public function getRelatedEntriesAttributes($model, $relationString, $attribute) |
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| 428 | } |
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| 429 | |||
| 430 | /** |
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| 431 | * Parse translatable attributes from a model or models resulting from the specified relation string. |
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| 432 | * |
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| 433 | * @param \Illuminate\Database\Eloquent\Model $model Model (eg: user). |
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| 434 | * @param string $attribute The attribute from the relation model (eg: the street attribute from the address model). |
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| 435 | * @param string $value Attribute value translatable or not |
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| 436 | * @return string A string containing the translated attributed based on app()->getLocale() |
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| 437 | */ |
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| 438 | public function parseTranslatableAttributes($model, $attribute, $value) |
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| 439 | { |
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| 440 | if (! method_exists($model, 'isTranslatableAttribute')) { |
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| 441 | return $value; |
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| 442 | } |
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| 443 | |||
| 444 | if (! $model->isTranslatableAttribute($attribute)) { |
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| 445 | return $value; |
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| 446 | } |
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| 447 | |||
| 448 | if (! is_array($value)) { |
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| 449 | $decodedAttribute = json_decode($value, true); |
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| 450 | } else { |
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| 451 | $decodedAttribute = $value; |
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| 452 | } |
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| 453 | |||
| 454 | if (is_array($decodedAttribute) && ! empty($decodedAttribute)) { |
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| 455 | if (isset($decodedAttribute[app()->getLocale()])) { |
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| 456 | return $decodedAttribute[app()->getLocale()]; |
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| 457 | } else { |
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| 458 | return Arr::first($decodedAttribute); |
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| 459 | } |
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| 460 | } |
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| 461 | |||
| 462 | return $value; |
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| 463 | } |
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| 464 | |||
| 465 | /** |
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| 466 | * Traverse the tree of relations for the given model, defined by the given relation string, and return the ending |
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| 467 | * associated model instance or instances. |
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| 468 | * |
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| 469 | * @param \Illuminate\Database\Eloquent\Model $model The CRUD model. |
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| 470 | * @param string $relationString Relation string. A dot notation can be used to chain multiple relations. |
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| 471 | * @return array An array of the associated model instances defined by the relation string. |
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| 472 | */ |
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| 473 | private function getRelatedEntries($model, $relationString) |
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| 504 | } |
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| 505 | } |
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| 506 |
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