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<?php |
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namespace yentu\commands; |
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use clearice\io\Io; |
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use yentu\exceptions\NonReversibleCommandException; |
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use yentu\factories\DatabaseManipulatorFactory; |
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use yentu\Migrations; |
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use yentu\Parameters; |
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use yentu\exceptions\CommandException; |
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use ntentan\utils\Filesystem; |
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/** |
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* The init command class. |
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* This command initiates a project for yentu by creating the required migration directories and configuration files. |
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* It also creates the database history table. |
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*/ |
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class Init extends Command implements Reversible |
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{ |
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/** |
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* Instance of io for CLI output |
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* @var Io |
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*/ |
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private $io; |
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/** |
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* Provides access to migrations. |
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* @var Migrations |
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*/ |
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private $migrations; |
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/** |
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* For performing database operations |
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* @var DatabaseManipulatorFactory |
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*/ |
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private $manipulatorFactory; |
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/** |
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* Init constructor. |
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* |
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* @param Migrations $migrations |
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* @param DatabaseManipulatorFactory $manipulatorFactory |
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* @param Io $io |
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*/ |
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public function __construct(Migrations $migrations, DatabaseManipulatorFactory $manipulatorFactory, Io $io) |
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{ |
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$this->migrations = $migrations; |
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$this->io = $io; |
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$this->manipulatorFactory = $manipulatorFactory; |
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} |
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/** |
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* Extract parameters from command line arguments, or through interactive sessions. |
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* @return array |
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*/ |
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private function getParams() : array |
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{ |
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if (isset($this->options['interractive'])) { |
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$params['driver'] = $this->io->getResponse( |
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'What type of database are you working with?', |
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['required' => true, 'answers' => ['postgresql', 'mysql', 'sqlite']] |
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); |
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if ($params['driver'] === 'sqlite') { |
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$params['file'] = $this->io->getResponse('What is the path to your database file?', ['required' => true]); |
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} else { |
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$params['host'] = $this->io->getResponse('What is the host of your database connection?', ['default' => 'localhost']); |
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$params['port'] = $this->io->getResponse('What is the port of your database connection? (Leave blank for default)'); |
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$params['user'] = $this->io->getResponse('What username do you connect with?', ['required' => true]); |
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$params['password'] = $this->io->getResponse("What is the password for {$params['user']}?", ['required' => FALSE]); |
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$params['dbname'] = $this->io->getResponse("What is the name database (schema) are you connecting to?",['required' => true]); |
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} |
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} else { |
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$params = []; |
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foreach(['driver', 'file', 'host', 'port', 'dbname', 'user', 'password'] as $key) { |
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if(isset($this->options[$key])) { |
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$params[$key] = $this->options[$key]; |
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} |
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} |
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} |
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return $params; |
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} |
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/** |
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* @param $params |
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* @return array |
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* @throws \ntentan\utils\exceptions\FileAlreadyExistsException |
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* @throws \ntentan\utils\exceptions\FileNotWriteableException |
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*/ |
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public function createConfigFile($params) : array |
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{ |
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$params = Parameters::wrap( |
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$params, ['port', 'file', 'host', 'dbname', 'user', 'password'] |
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); |
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Filesystem::directory($this->migrations->getPath('config'))->create(true); |
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Filesystem::directory($this->migrations->getPath('migrations'))->create(true); |
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Filesystem::file($this->migrations->getPath('config/yentu.ini'))->putContents( |
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<<<CONFIG |
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[db] |
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driver: {$params['driver']} |
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host: {$params['host']} |
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port: {$params['port']} |
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dbname: {$params['dbname']} |
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user: {$params['user']} |
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password: {$params['password']} |
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file: {$params['file']} |
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CONFIG |
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); |
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return $params; |
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} |
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/** |
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* @throws CommandException |
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*/ |
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public function run() : void |
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{ |
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$home = $this->migrations->getPath(''); |
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if (file_exists($home)) { |
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throw new NonReversibleCommandException("Could not initialize yentu. Your project has already been initialized with yentu."); |
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} else if (!is_writable(dirname($home))) { |
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throw new NonReversibleCommandException("Your home directory ($home) could not be created."); |
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} |
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$params = $this->getParams(); |
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if (count($params) == 0 && defined('STDOUT')) { |
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throw new NonReversibleCommandException( |
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"You didn't provide any parameters for initialization. Please execute yentu " |
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. "with `init -i` to initialize yentu interractively. " |
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. "You can also try `init --help` for more information." |
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); |
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} |
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$config = $this->createConfigFile($params); |
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$db = $this->manipulatorFactory->createManipulatorWithConfig($config); |
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if ($db->getAssertor()->doesTableExist('yentu_history')) { |
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throw new CommandException("Could not initialize yentu. Your database may have been initialized with yentu; the 'yentu_history' table already exists."); |
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} |
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$db->createHistory(); |
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$db->disconnect(); |
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$this->io->output("Yentu successfully initialized.\n"); |
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} |
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public function reverseActions() : void |
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{ |
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Filesystem::directory($this->migrations->getPath(""))->delete(); |
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} |
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} |
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ntentan /
yentu
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