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<?php

namespace Illuminate\Database\Schema;

use Illuminate\Support\Facades\File;

class SQLiteBuilder extends Builder
{
    /**
     * Create a database in the schema.
     *
     * @param  string  $name
     * @return bool
     */
    public function createDatabase($name)
    {
        return File::put($name, '') !== false;
    }

/**
     * Drop a database from the schema if the database exists.
     *
     * @param  string  $name
     * @return bool
     */
    public function dropDatabaseIfExists($name)
    {
        return File::exists($name)
            ? File::delete($name)
            : true;
    }

/**
     * Drop all tables from the database.
     *
     * @return void
     */
    public function dropAllTables()
    {
        if ($this->connection->getDatabaseName() !== ':memory:') {
            return $this->refreshDatabaseFile();
        }

$this->connection->select($this->grammar->compileEnableWriteableSchema());

$this->connection->select($this->grammar->compileDropAllTables());

$this->connection->select($this->grammar->compileDisableWriteableSchema());

$this->connection->select($this->grammar->compileRebuild());
    }

/**
     * Drop all views from the database.
     *
     * @return void
     */
    public function dropAllViews()
    {
        $this->connection->select($this->grammar->compileEnableWriteableSchema());

$this->connection->select($this->grammar->compileDropAllViews());

$this->connection->select($this->grammar->compileDisableWriteableSchema());

$this->connection->select($this->grammar->compileRebuild());
    }

/**
     * Empty the database file.
     *
     * @return void
     */
    public function refreshDatabaseFile()
    {
        file_put_contents($this->connection->getDatabaseName(), '');
    }
}