暂存

vendor/illuminate/validation/Rules/DatabaseRule.php

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+<?php
+
+namespace Illuminate\Validation\Rules;
+
+use Closure;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Collection;
+
+use function Illuminate\Support\enum_value;
+
+trait DatabaseRule
+{
+    /**
+     * The table to run the query against.
+     *
+     * @var string
+     */
+    protected $table;
+
+    /**
+     * The column to check on.
+     *
+     * @var string
+     */
+    protected $column;
+
+    /**
+     * The extra where clauses for the query.
+     *
+     * @var array
+     */
+    protected $wheres = [];
+
+    /**
+     * The array of custom query callbacks.
+     *
+     * @var array
+     */
+    protected $using = [];
+
+    /**
+     * Create a new rule instance.
+     *
+     * @param  string  $table
+     * @param  string  $column
+     */
+    public function __construct($table, $column = 'NULL')
+    {
+        $this->column = $column;
+
+        $this->table = $this->resolveTableName($table);
+    }
+
+    /**
+     * Resolves the name of the table from the given string.
+     *
+     * @param  string  $table
+     * @return string
+     */
+    public function resolveTableName($table)
+    {
+        if (! str_contains($table, '\\') || ! class_exists($table)) {
+            return $table;
+        }
+
+        if (is_subclass_of($table, Model::class)) {
+            $model = new $table;
+
+            if (str_contains($model->getTable(), '.')) {
+                return $table;
+            }
+
+            return implode('.', array_map(function (string $part) {
+                return trim($part, '.');
+            }, array_filter([$model->getConnectionName(), $model->getTable()])));
+        }
+
+        return $table;
+    }
+
+    /**
+     * Set a "where" constraint on the query.
+     *
+     * @param  \Closure|string  $column
+     * @param  \Illuminate\Contracts\Support\Arrayable|\UnitEnum|\Closure|array|string|int|bool|null  $value
+     * @return $this
+     */
+    public function where($column, $value = null)
+    {
+        if ($value instanceof Arrayable || is_array($value)) {
+            return $this->whereIn($column, $value);
+        }
+
+        if ($column instanceof Closure) {
+            return $this->using($column);
+        }
+
+        if (is_null($value)) {
+            return $this->whereNull($column);
+        }
+
+        $value = enum_value($value);
+
+        $this->wheres[] = compact('column', 'value');
+
+        return $this;
+    }
+
+    /**
+     * Set a "where not" constraint on the query.
+     *
+     * @param  string  $column
+     * @param  \Illuminate\Contracts\Support\Arrayable|\UnitEnum|array|string|int  $value
+     * @return $this
+     */
+    public function whereNot($column, $value)
+    {
+        if ($value instanceof Arrayable || is_array($value)) {
+            return $this->whereNotIn($column, $value);
+        }
+
+        $value = enum_value($value);
+
+        return $this->where($column, '!'.$value);
+    }
+
+    /**
+     * Set a "where null" constraint on the query.
+     *
+     * @param  string  $column
+     * @return $this
+     */
+    public function whereNull($column)
+    {
+        return $this->where($column, 'NULL');
+    }
+
+    /**
+     * Set a "where not null" constraint on the query.
+     *
+     * @param  string  $column
+     * @return $this
+     */
+    public function whereNotNull($column)
+    {
+        return $this->where($column, 'NOT_NULL');
+    }
+
+    /**
+     * Set a "where in" constraint on the query.
+     *
+     * @param  string  $column
+     * @param  \Illuminate\Contracts\Support\Arrayable|\BackedEnum|array  $values
+     * @return $this
+     */
+    public function whereIn($column, $values)
+    {
+        return $this->where(function ($query) use ($column, $values) {
+            $query->whereIn($column, $values);
+        });
+    }
+
+    /**
+     * Set a "where not in" constraint on the query.
+     *
+     * @param  string  $column
+     * @param  \Illuminate\Contracts\Support\Arrayable|\BackedEnum|array  $values
+     * @return $this
+     */
+    public function whereNotIn($column, $values)
+    {
+        return $this->where(function ($query) use ($column, $values) {
+            $query->whereNotIn($column, $values);
+        });
+    }
+
+    /**
+     * Ignore soft deleted models during the existence check.
+     *
+     * @param  string  $deletedAtColumn
+     * @return $this
+     */
+    public function withoutTrashed($deletedAtColumn = 'deleted_at')
+    {
+        $this->whereNull($deletedAtColumn);
+
+        return $this;
+    }
+
+    /**
+     * Only include soft deleted models during the existence check.
+     *
+     * @param  string  $deletedAtColumn
+     * @return $this
+     */
+    public function onlyTrashed($deletedAtColumn = 'deleted_at')
+    {
+        $this->whereNotNull($deletedAtColumn);
+
+        return $this;
+    }
+
+    /**
+     * Register a custom query callback.
+     *
+     * @param  \Closure  $callback
+     * @return $this
+     */
+    public function using(Closure $callback)
+    {
+        $this->using[] = $callback;
+
+        return $this;
+    }
+
+    /**
+     * Get the custom query callbacks for the rule.
+     *
+     * @return array
+     */
+    public function queryCallbacks()
+    {
+        return $this->using;
+    }
+
+    /**
+     * Format the where clauses.
+     *
+     * @return string
+     */
+    protected function formatWheres()
+    {
+        return (new Collection($this->wheres))
+            ->map(fn ($where) => $where['column'].','.'"'.str_replace('"', '""', $where['value']).'"')
+            ->implode(',');
+    }
+}