Primo Committ

vendor/laravel/framework/src/Illuminate/Validation/DatabasePresenceVerifier.php

@@ -0,0 +1,138 @@
+<?php
+
+namespace Illuminate\Validation;
+
+use Closure;
+use Illuminate\Database\ConnectionResolverInterface;
+use Illuminate\Support\Str;
+
+class DatabasePresenceVerifier implements DatabasePresenceVerifierInterface
+{
+    /**
+     * The database connection instance.
+     *
+     * @var \Illuminate\Database\ConnectionResolverInterface
+     */
+    protected $db;
+
+    /**
+     * The database connection to use.
+     *
+     * @var string
+     */
+    protected $connection;
+
+    /**
+     * Create a new database presence verifier.
+     *
+     * @param  \Illuminate\Database\ConnectionResolverInterface  $db
+     * @return void
+     */
+    public function __construct(ConnectionResolverInterface $db)
+    {
+        $this->db = $db;
+    }
+
+    /**
+     * Count the number of objects in a collection having the given value.
+     *
+     * @param  string  $collection
+     * @param  string  $column
+     * @param  string  $value
+     * @param  int|null  $excludeId
+     * @param  string|null  $idColumn
+     * @param  array  $extra
+     * @return int
+     */
+    public function getCount($collection, $column, $value, $excludeId = null, $idColumn = null, array $extra = [])
+    {
+        $query = $this->table($collection)->where($column, '=', $value);
+
+        if (! is_null($excludeId) && $excludeId !== 'NULL') {
+            $query->where($idColumn ?: 'id', '<>', $excludeId);
+        }
+
+        return $this->addConditions($query, $extra)->count();
+    }
+
+    /**
+     * Count the number of objects in a collection with the given values.
+     *
+     * @param  string  $collection
+     * @param  string  $column
+     * @param  array  $values
+     * @param  array  $extra
+     * @return int
+     */
+    public function getMultiCount($collection, $column, array $values, array $extra = [])
+    {
+        $query = $this->table($collection)->whereIn($column, $values);
+
+        return $this->addConditions($query, $extra)->distinct()->count($column);
+    }
+
+    /**
+     * Add the given conditions to the query.
+     *
+     * @param  \Illuminate\Database\Query\Builder  $query
+     * @param  array  $conditions
+     * @return \Illuminate\Database\Query\Builder
+     */
+    protected function addConditions($query, $conditions)
+    {
+        foreach ($conditions as $key => $value) {
+            if ($value instanceof Closure) {
+                $query->where(function ($query) use ($value) {
+                    $value($query);
+                });
+            } else {
+                $this->addWhere($query, $key, $value);
+            }
+        }
+
+        return $query;
+    }
+
+    /**
+     * Add a "where" clause to the given query.
+     *
+     * @param  \Illuminate\Database\Query\Builder  $query
+     * @param  string  $key
+     * @param  string  $extraValue
+     * @return void
+     */
+    protected function addWhere($query, $key, $extraValue)
+    {
+        if ($extraValue === 'NULL') {
+            $query->whereNull($key);
+        } elseif ($extraValue === 'NOT_NULL') {
+            $query->whereNotNull($key);
+        } elseif (Str::startsWith($extraValue, '!')) {
+            $query->where($key, '!=', mb_substr($extraValue, 1));
+        } else {
+            $query->where($key, $extraValue);
+        }
+    }
+
+    /**
+     * Get a query builder for the given table.
+     *
+     * @param  string  $table
+     * @return \Illuminate\Database\Query\Builder
+     */
+    protected function table($table)
+    {
+        return $this->db->connection($this->connection)->table($table)->useWritePdo();
+    }
+
+    /**
+     * Set the connection to be used.
+     *
+     * @param  string  $connection
+     * @return void
+     */
+    public function setConnection($connection)
+    {
+        $this->connection = $connection;
+    }
+}