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src/WhereNot.php (1 issue)

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<?php declare(strict_types=1);

namespace ProtoneMedia\LaravelEloquentWhereNot;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\DB;

class WhereNot
{
    /**
     * The count for each table.
     *
     * @var array
     */
    protected static $tableSubCount = [];

    /**
     * Makes an alias for the given table.
     *
     * @param string $table
     * @return string
     */
    public static function getTableAlias($table): string
    {
        if (!array_key_exists($table, static::$tableSubCount)) {
            static::$tableSubCount[$table] = 0;
        }

        $count = static::$tableSubCount[$table]++;

        return "where_not_{$count}_{$table}";
    }

    /**
     * Helper method for code completion.
     *
     * @param mixed $value
     * @return \Illuminate\Database\Eloquent\Builder
     */
    public static function builder($value): Builder
    {
        return $value;
    }

    /**
     * Returns a callable that applies the scope and arguments
     * to the given query builder.
     *
     * @param mixed $value
     * @return callable
     */
    public static function makeCallable($value): callable
    {
        // We both allow single and multiple scopes...
        $scopes = Arr::wrap($value);

        return function ($query) use ($scopes) {
            // If $scope is numeric, there are no arguments, and we can
            // safely assume the scope is in the $arguments variable.
            foreach ($scopes as $scope => $arguments) {
                if (is_numeric($scope)) {
                    [$scope, $arguments] = [$arguments, null];
                }

                // As we allow a constraint to be a single arguments.
                $arguments = Arr::wrap($arguments);

                $query->{$scope}(...$arguments);
            }

            return $query;
        };
    }

    /**
     * Adds a macro to the query builder.
     *
     * @param string $name
     * @return void
     */
    public static function addMacro(string $name = 'whereNot')
    {
        Builder::macro($name, function ($withQuery): Builder {
            $callable = is_callable($withQuery)
                ? $withQuery
                : WhereNot::makeCallable($withQuery);

            // We do this to make sure the $query variable is an Eloquent Query Builder.
            $builder = WhereNot::builder($this);

            return $builder->whereNotExists(function ($query) use ($callable, $builder) {
                // Create a new Eloquent Query Builder with the given Query Builder and
                // set the model from the original builder.
                $query = new Builder($query);
                $query->setModel($model = $builder->getModel());

                $qualifiedKeyName = $model->getQualifiedKeyName();
                $originalTable = $model->getTable();

                // Instantiate a new model that uses the aliased table.
                $aliasedTable = WhereNot::getTableAlias($originalTable);
                $aliasedModel = $query->newModelInstance()->setTable($aliasedTable);

                // Apply the where constraint based on the model's key name and apply the $callable.
                $query
                    ->setModel($aliasedModel)
                    ->select(DB::raw(1))
                    ->from($originalTable, $aliasedTable)
                    ->whereColumn($aliasedModel->getQualifiedKeyName(), $qualifiedKeyName)
                    ->limit(1)
                    ->tap(fn ($query) => $callable($query));

            });
        });
    }
}


1			<?php declare(strict_types=1);
2
3			namespace ProtoneMedia\LaravelEloquentWhereNot;
4
5			use Illuminate\Database\Eloquent\Builder;
6			use Illuminate\Support\Arr;
7			use Illuminate\Support\Facades\DB;
8
9			class WhereNot
10			{
11			/**
12			* The count for each table.
13			*
14			* @var array
15			*/
16			protected static $tableSubCount = [];
17
18			/**
19			* Makes an alias for the given table.
20			*
21			* @param string $table
22			* @return string
23			*/
24			public static function getTableAlias($table): string
25			{
26			if (!array_key_exists($table, static::$tableSubCount)) {
27			static::$tableSubCount[$table] = 0;
28			}
29
30			$count = static::$tableSubCount[$table]++;
31
32			return "where_not_{$count}_{$table}";
33			}
34
35			/**
36			* Helper method for code completion.
37			*
38			* @param mixed $value
39			* @return \Illuminate\Database\Eloquent\Builder
40			*/
41			public static function builder($value): Builder
42			{
43			return $value;
44			}
45
46			/**
47			* Returns a callable that applies the scope and arguments
48			* to the given query builder.
49			*
50			* @param mixed $value
51			* @return callable
52			*/
53			public static function makeCallable($value): callable
54			{
55			// We both allow single and multiple scopes...
56			$scopes = Arr::wrap($value);
57
58			return function ($query) use ($scopes) {
59			// If $scope is numeric, there are no arguments, and we can
60			// safely assume the scope is in the $arguments variable.
61			foreach ($scopes as $scope => $arguments) {
62			if (is_numeric($scope)) {
63			[$scope, $arguments] = [$arguments, null];
64			}
65
66			// As we allow a constraint to be a single arguments.
67			$arguments = Arr::wrap($arguments);
68
69			$query->{$scope}(...$arguments);
70			}
71
72			return $query;
73			};
74			}
75
76			/**
77			* Adds a macro to the query builder.
78			*
79			* @param string $name
80			* @return void
81			*/
82			public static function addMacro(string $name = 'whereNot')
83			{
84			Builder::macro($name, function ($withQuery): Builder {
85			$callable = is_callable($withQuery)
86			? $withQuery
87			: WhereNot::makeCallable($withQuery);
88
89			// We do this to make sure the $query variable is an Eloquent Query Builder.
90			$builder = WhereNot::builder($this);
91
92			return $builder->whereNotExists(function ($query) use ($callable, $builder) {
93			// Create a new Eloquent Query Builder with the given Query Builder and
94			// set the model from the original builder.
95			$query = new Builder($query);
96			$query->setModel($model = $builder->getModel());
97
98			$qualifiedKeyName = $model->getQualifiedKeyName();
99			$originalTable = $model->getTable();
100
101			// Instantiate a new model that uses the aliased table.
102			$aliasedTable = WhereNot::getTableAlias($originalTable);
103			$aliasedModel = $query->newModelInstance()->setTable($aliasedTable);
104
105			// Apply the where constraint based on the model's key name and apply the $callable.
106			$query
107			->setModel($aliasedModel)
108			->select(DB::raw(1))
109			->from($originalTable, $aliasedTable)
110			->whereColumn($aliasedModel->getQualifiedKeyName(), $qualifiedKeyName)
111			->limit(1)
112			->tap(fn ($query) => $callable($query));
			0 ignored issues – show Bug introduced 2020-12-10 11:55 UTC by Report Bug Copy Issue Report Show Similar Issues like this This code did not parse for me. Apparently, there is an error somewhere around this line: Syntax error, unexpected T_DOUBLE_ARROW, expecting ',' or ')' Loading history...
113			});
114			});
115			}
116			}
117

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