init commit

Author: daverdalas

src/CommandCreator.php

@@ -0,0 +1,186 @@
+<?php
+
+namespace DaverDalas\LaravelPostDeployCommands;
+
+use Closure;
+use Illuminate\Support\Str;
+use InvalidArgumentException;
+use Illuminate\Filesystem\Filesystem;
+
+class CommandCreator
+{
+    /**
+     * The filesystem instance.
+     *
+     * @var \Illuminate\Filesystem\Filesystem
+     */
+    protected $files;
+
+    /**
+     * The registered post create hooks.
+     *
+     * @var array
+     */
+    protected $postCreate = [];
+
+    /**
+     * Create a new migration creator instance.
+     *
+     * @param  \Illuminate\Filesystem\Filesystem $files
+     * @return void
+     */
+    public function __construct(Filesystem $files)
+    {
+        $this->files = $files;
+    }
+
+    /**
+     * Create a new migration at the given path.
+     *
+     * @param  string $name
+     * @param  string $path
+     * @return string
+     * @throws \Exception
+     */
+    public function create($name, $path)
+    {
+        $this->ensureCommandDoesntAlreadyExist($name);
+
+        // First we will get the stub file for the migration, which serves as a type
+        // of template for the migration. Once we have those we will populate the
+        // various place-holders, save the file, and run the post create event.
+        $stub = $this->getStub();
+
+        if(!$this->files->exists($path)){
+            $this->files->makeDirectory($path);
+        }
+
+        $this->files->put(
+            $path = $this->getPath($name, $path),
+            $this->populateStub($name, $stub)
+        );
+
+        // Next, we will fire any hooks that are supposed to fire after a migration is
+        // created. Once that is done we'll be ready to return the full path to the
+        // migration file so it can be used however it's needed by the developer.
+        $this->firePostCreateHooks();
+
+        return $path;
+    }
+
+    /**
+     * Ensure that a migration with the given name doesn't already exist.
+     *
+     * @param  string $name
+     * @return void
+     *
+     * @throws \InvalidArgumentException
+     */
+    protected function ensureCommandDoesntAlreadyExist($name)
+    {
+        if (class_exists($className = $this->getClassName($name))) {
+            throw new InvalidArgumentException("A {$className} class already exists.");
+        }
+    }
+
+    /**
+     * Get the migration stub file.
+     *
+     * @return string
+     * @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
+     */
+    protected function getStub()
+    {
+        return $this->files->get($this->stubPath() . '/blank.stub');
+    }
+
+    /**
+     * Populate the place-holders in the migration stub.
+     *
+     * @param  string $name
+     * @param  string $stub
+     * @return string
+     */
+    protected function populateStub($name, $stub)
+    {
+        $stub = str_replace('DummyClass', $this->getClassName($name), $stub);
+
+        return $stub;
+    }
+
+    /**
+     * Get the class name of a migration name.
+     *
+     * @param  string $name
+     * @return string
+     */
+    protected function getClassName($name)
+    {
+        return Str::studly($name);
+    }
+
+    /**
+     * Get the full path to the migration.
+     *
+     * @param  string $name
+     * @param  string $path
+     * @return string
+     */
+    protected function getPath($name, $path)
+    {
+        return $path . '/' . $this->getDatePrefix() . '_' . $name . '.php';
+    }
+
+    /**
+     * Fire the registered post create hooks.
+     *
+     * @return void
+     */
+    protected function firePostCreateHooks()
+    {
+        foreach ($this->postCreate as $callback) {
+            call_user_func($callback);
+        }
+    }
+
+    /**
+     * Register a post migration create hook.
+     *
+     * @param  \Closure $callback
+     * @return void
+     */
+    public function afterCreate(Closure $callback)
+    {
+        $this->postCreate[] = $callback;
+    }
+
+    /**
+     * Get the date prefix for the migration.
+     *
+     * @return string
+     */
+    protected function getDatePrefix()
+    {
+        return date('Y_m_d_His');
+    }
+
+    /**
+     * Get the path to the stubs.
+     *
+     * @return string
+     */
+    public function stubPath()
+    {
+        return __DIR__ . '/stubs';
+    }
+
+    /**
+     * Get the filesystem instance.
+     *
+     * @return \Illuminate\Filesystem\Filesystem
+     */
+    public function getFilesystem()
+    {
+        return $this->files;
+    }
+}