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<?php |
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namespace Sofa\Eloquence; |
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use Sofa\Hookable\Hookable; |
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use Sofa\Eloquence\Mutator\Mutator; |
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use Sofa\Hookable\Contracts\ArgumentBag; |
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use Sofa\Eloquence\Query\Builder as QueryBuilder; |
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use Sofa\Eloquence\Contracts\Mutator as MutatorContract; |
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use Sofa\Eloquence\AttributeCleaner\Observer as AttributeCleaner; |
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/** |
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* This trait is an entry point for all the hooks that we want to apply |
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* on the Eloquent Model and Builder in order to let the magic happen. |
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* |
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* It also provides hasColumn and getColumnListing helper methods |
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* so you can easily list or check columns in the model's table. |
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* |
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* @version 5.1 |
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* |
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* @method \Illuminate\Database\Connection getConnection() |
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* @method string getTable() |
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*/ |
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trait Eloquence |
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{ |
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use Hookable; |
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/** |
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* Attribute mutator instance. |
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* |
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* @var \Sofa\Eloquence\Contracts\Mutator |
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*/ |
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protected static $attributeMutator; |
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/** |
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* Model's table column listing. |
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* |
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* @var array |
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*/ |
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protected static $columnListing = []; |
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/** |
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* Boot the trait. |
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* |
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* @codeCoverageIgnore |
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* |
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* @return void |
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*/ |
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public static function bootEloquence() |
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{ |
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static::observe(new AttributeCleaner); |
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if (!isset(static::$attributeMutator)) { |
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if (function_exists('app') && app()->bound('eloquence.mutator')) { |
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static::setAttributeMutator(app('eloquence.mutator')); |
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} else { |
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static::setAttributeMutator(new Mutator); |
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} |
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} |
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} |
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/** |
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* Determine whether where should be treated as whereNull. |
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* |
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* @param string $method |
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* @param Sofa\Hookable\Contracts\ArgumentBag $args |
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* @return boolean |
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*/ |
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protected function isWhereNull($method, ArgumentBag $args) |
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{ |
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return $method === 'whereNull' || $method === 'where' && $this->isWhereNullByArgs($args); |
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} |
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/** |
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* Determine whether where is a whereNull by the arguments passed to where method. |
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* |
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* @param Sofa\Hookable\Contracts\ArgumentBag $args |
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* @return boolean |
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*/ |
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protected function isWhereNullByArgs(ArgumentBag $args) |
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{ |
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return is_null($args->get('operator')) |
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|| is_null($args->get('value')) && !in_array($args->get('operator'), ['<>', '!=']); |
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} |
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/** |
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* Extract real name and alias from the sql select clause. |
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* |
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* @param string $column |
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* @return array |
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*/ |
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protected function extractColumnAlias($column) |
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{ |
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$alias = $column; |
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if (strpos($column, ' as ') !== false) { |
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list($column, $alias) = explode(' as ', $column); |
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} |
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return [$column, $alias]; |
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} |
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/** |
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* Get the target relation and column from the mapping. |
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* |
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* @param string $mapping |
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* @return array |
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*/ |
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public function parseMappedColumn($mapping) |
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{ |
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$segments = explode('.', $mapping); |
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$column = array_pop($segments); |
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$target = implode('.', $segments); |
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return [$target, $column]; |
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} |
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/** |
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* Determine whether the key is meta attribute or actual table field. |
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* |
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* @param string $key |
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* @return boolean |
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*/ |
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public static function hasColumn($key) |
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{ |
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static::loadColumnListing(); |
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return in_array((string) $key, static::$columnListing); |
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} |
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/** |
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* Get searchable columns defined on the model. |
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* |
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* @return array |
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*/ |
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public function getSearchableColumns() |
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{ |
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return (property_exists($this, 'searchableColumns')) ? $this->searchableColumns : []; |
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} |
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/** |
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* Get model table columns. |
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* |
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* @return array |
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*/ |
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public static function getColumnListing() |
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{ |
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static::loadColumnListing(); |
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return static::$columnListing; |
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} |
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/** |
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* Fetch model table columns. |
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* |
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* @return void |
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*/ |
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protected static function loadColumnListing() |
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{ |
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if (empty(static::$columnListing)) { |
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$instance = new static; |
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static::$columnListing = $instance->getConnection() |
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->getSchemaBuilder() |
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->getColumnListing($instance->getTable()); |
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} |
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} |
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/** |
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* Create new Eloquence query builder for the instance. |
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* |
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* @param \Sofa\Eloquence\Query\Builder |
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* @return \Sofa\Eloquence\Builder |
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*/ |
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public function newEloquentBuilder($query) |
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{ |
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return new Builder($query); |
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} |
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/** |
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* Get a new query builder instance for the connection. |
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* |
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* @return \Sofa\Eloquence\Query\Builder |
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*/ |
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protected function newBaseQueryBuilder() |
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{ |
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$conn = $this->getConnection(); |
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$grammar = $conn->getQueryGrammar(); |
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return new QueryBuilder($conn, $grammar, $conn->getPostProcessor()); |
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} |
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/** |
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* Set attribute mutator instance. |
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* |
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* @codeCoverageIgnore |
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* |
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* @param \Sofa\Eloquence\Contracts\Mutator $mutator |
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* @return void |
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*/ |
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public static function setAttributeMutator(MutatorContract $mutator) |
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{ |
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static::$attributeMutator = $mutator; |
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} |
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/** |
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* Get attribute mutator instance. |
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* |
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* @codeCoverageIgnore |
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* |
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* @return \Sofa\Eloquence\Contracts\Mutator |
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*/ |
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public static function getAttributeMutator() |
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{ |
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return static::$attributeMutator; |
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} |
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} |
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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: