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