Completed
Push — master ( 01c116...f2fe22 )
by Rougin
02:49
created

CreateMigrationCommand::execute()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 17
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 10
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 17
ccs 10
cts 10
cp 1
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 9
nc 2
nop 2
crap 2
1
<?php
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namespace Rougin\Refinery\Commands;
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use Symfony\Component\Console\Input\InputOption;
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use Symfony\Component\Console\Input\InputArgument;
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use Symfony\Component\Console\Input\InputInterface;
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use Symfony\Component\Console\Output\OutputInterface;
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/**
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 * Create Migration Command
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 *
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 * Creates a new migration file based on its file name.
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 *
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 * @package Refinery
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 * @author  Rougin Royce Gutib <[email protected]>
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 */
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class CreateMigrationCommand extends AbstractCommand
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{
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    /**
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     * Checks whether the command is enabled or not in the current environment.
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     *
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     * @return boolean
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     */
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    public function isEnabled()
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    {
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        return true;
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    }
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    /**
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     * Sets the configurations of the specified command.
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     *
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     * @return void
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     */
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    protected function configure()
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    {
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        $this->setName('create')
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            ->setDescription('Creates a new migration file')
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            ->addArgument('name', InputArgument::REQUIRED, 'Name of the migration file')
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            ->addOption('from-database', null, InputOption::VALUE_NONE, 'Generates a migration based from the database')
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            ->addOption('sequential', null, InputOption::VALUE_NONE, 'Generates a migration file with a sequential identifier')
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            ->addOption('type', null, InputOption::VALUE_OPTIONAL, 'Data type of the column', 'varchar')
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            ->addOption('length', null, InputOption::VALUE_OPTIONAL, 'Length of the column', 50)
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            ->addOption('auto_increment', null, InputOption::VALUE_OPTIONAL, 'Generates an "AUTO_INCREMENT" flag on the column', false)
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            ->addOption('default', null, InputOption::VALUE_OPTIONAL, 'Generates a default value in the column definition', '')
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            ->addOption('null', null, InputOption::VALUE_OPTIONAL, 'Generates a "NULL" value in the column definition', false)
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            ->addOption('primary', null, InputOption::VALUE_OPTIONAL, 'Generates a "PRIMARY" value in the column definition', false)
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            ->addOption('unsigned', null, InputOption::VALUE_OPTIONAL, 'Generates an "UNSIGNED" value in the column definition', false);
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    }
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    /**
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     * Executes the command.
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     *
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     * @param  \Symfony\Component\Console\Input\InputInterface   $input
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     * @param  \Symfony\Component\Console\Output\OutputInterface $output
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     * @return object|\Symfony\Component\Console\Output\OutputInterface
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     */
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    protected function execute(InputInterface $input, OutputInterface $output)
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    {
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        $fileName = $this->getFileName($input->getArgument('name'), $input->getOption('sequential'));
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        $keywords = $this->getKeywords($input->getArgument('name'), $input->getOption('from-database'));
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        $data = $this->prepareData($input, $keywords);
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        if ($data['command_name'] != 'create') {
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            $data = $this->defineColumns($input, $keywords, $data);
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        }
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        $rendered = $this->renderer->render('Migration.twig', $data);
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        $this->filesystem->write('application/migrations/' . $fileName . '.php', $rendered);
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        return $output->writeln('<info>"' . $fileName . '" has been created.</info>');
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    }
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    /**
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     * Defines the columns to be included in the migration.
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     *
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     * @param  \Symfony\Component\Console\Input\InputInterface $input
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     * @param  array                                           $keywords
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     * @param  array                                           $data
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     * @return array
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     */
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    protected function defineColumns(InputInterface $input, array $keywords, array $data)
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    {
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        $data['table_name'] = $keywords[3];
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        array_push($data['columns'], $this->setColumn($input, $keywords[1]));
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        if ($data['command_name'] == 'modify') {
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            foreach ($this->describe->getTable($data['table_name']) as $column) {
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                $column->getField() != $keywords[1] || array_push($data['defaults'], $column);
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            }
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        }
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        return $data;
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    }
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    /**
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     * Gets the file name of the specified migration.
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     *
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     * @param  string  $name
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     * @param  boolean $isSequential
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     * @return string
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     */
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    protected function getFileName($name, $isSequential = false)
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    {
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        $migrationType = $this->getMigrationType();
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        $fileName = date('YmdHis') . '_' . underscore($name);
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        if ($migrationType == 'sequential' || $isSequential) {
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            $number = 1;
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            $files = new \FilesystemIterator(APPPATH . 'migrations', \FilesystemIterator::SKIP_DOTS);
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            $number += iterator_count($files);
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            $sequence = sprintf('%03d', $number);
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            $fileName = $sequence . '_' . substr($fileName, 15);
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        }
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        return $fileName;
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    }
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    /**
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     * Gets the defined keywords from the command.
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     *
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     * @param  string  $name
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     * @param  boolean $fromDatabase
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     * @return array
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     */
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    protected function getKeywords($name, $fromDatabase = false)
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    {
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        $path = APPPATH . 'migrations';
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        if (! file_exists($path)) {
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            mkdir($path);
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        }
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        $keywords = [ '', '', '', '' ];
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        $keywords = array_replace($keywords, explode('_', underscore($name)));
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        if ($fromDatabase && $keywords[0] != 'create') {
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            $message = '--from-database is only available to create_*table*_table keyword';
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            throw new \InvalidArgumentException($message);
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        }
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        return $keywords;
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    }
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    /**
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     * Prepares the data to be inserted in the template.
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     *
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     * @param  \Symfony\Component\Console\Input\InputInterface $input
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     * @param  array                                           $keywords
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     * @return array
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     */
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    protected function prepareData(InputInterface $input, array $keywords)
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    {
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        $data = [];
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        $data['command_name'] = $keywords[0];
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        $data['data_types']   = [ 'string' => 'VARCHAR', 'integer' => 'INT' ];
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        $data['class_name']   = underscore($input->getArgument('name'));
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        $data['table_name']   = $keywords[1];
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        $data['columns']  = [];
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        $data['defaults'] = [];
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        if ($input->getOption('from-database') && $data['command_name'] == 'create') {
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            $data['columns'] = $this->describe->getTable($data['table_name']);
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        }
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        return $data;
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    }
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    /**
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     * Sets properties for a specified column
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     *
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     * @param  \Symfony\Component\Console\Input\InputInterface $input
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     * @param  string                                          $fieldName
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     * @return \Rougin\Describe\Column
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     */
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    protected function setColumn(InputInterface $input, $fieldName)
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    {
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        $column = new \Rougin\Describe\Column;
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        $column->setField($fieldName);
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        $column->setNull($input->getOption('null'));
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        $column->setDataType($input->getOption('type'));
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        $column->setLength($input->getOption('length'));
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        $column->setPrimary($input->getOption('primary'));
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        $column->setUnsigned($input->getOption('unsigned'));
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        $column->setDefaultValue($input->getOption('default'));
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        $column->setAutoIncrement($input->getOption('auto_increment'));
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        return $column;
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    }
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}
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