暂存

vendor/illuminate/validation/Rules/Unique.php

@@ -0,0 +1,76 @@
+<?php
+
+namespace Illuminate\Validation\Rules;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Traits\Conditionable;
+use Stringable;
+
+class Unique implements Stringable
+{
+    use Conditionable, DatabaseRule;
+
+    /**
+     * The ID that should be ignored.
+     *
+     * @var mixed
+     */
+    protected $ignore;
+
+    /**
+     * The name of the ID column.
+     *
+     * @var string
+     */
+    protected $idColumn = 'id';
+
+    /**
+     * Ignore the given ID during the unique check.
+     *
+     * @param  mixed  $id
+     * @param  string|null  $idColumn
+     * @return $this
+     */
+    public function ignore($id, $idColumn = null)
+    {
+        if ($id instanceof Model) {
+            return $this->ignoreModel($id, $idColumn);
+        }
+
+        $this->ignore = $id;
+        $this->idColumn = $idColumn ?? 'id';
+
+        return $this;
+    }
+
+    /**
+     * Ignore the given model during the unique check.
+     *
+     * @param  \Illuminate\Database\Eloquent\Model  $model
+     * @param  string|null  $idColumn
+     * @return $this
+     */
+    public function ignoreModel($model, $idColumn = null)
+    {
+        $this->idColumn = $idColumn ?? $model->getKeyName();
+        $this->ignore = $model->{$this->idColumn};
+
+        return $this;
+    }
+
+    /**
+     * Convert the rule to a validation string.
+     *
+     * @return string
+     */
+    public function __toString()
+    {
+        return rtrim(sprintf('unique:%s,%s,%s,%s,%s',
+            $this->table,
+            $this->column,
+            $this->ignore ? '"'.addslashes($this->ignore).'"' : 'NULL',
+            $this->idColumn,
+            $this->formatWheres()
+        ), ',');
+    }
+}