File system/Console/Commands/GeneratorCommand.php

1:	<?php
2:
3:	namespace Aurora\System\Console\Commands;
4:
5:	use Aurora\System\Api;
6:	use Illuminate\Filesystem\Filesystem;
7:	use Illuminate\Support\Str;
8:	use Symfony\Component\Console\Command\Command;
9:	use Symfony\Component\Console\Input\InputInterface;
10:	use Symfony\Component\Console\Output\OutputInterface;
11:
12:	abstract class GeneratorCommand extends Command
13:	{
14:	/**
15:	* The filesystem instance.
16:	*
17:	* @var \Illuminate\Filesystem\Filesystem
18:	*/
19:	protected $files;
20:
21:	/**
22:	* The type of class being generated.
23:	*
24:	* @var string
25:	*/
26:	protected $type;
27:
28:	/**
29:	* Reserved names that cannot be used for generation.
30:	*
31:	* @var array
32:	*/
33:	protected $reservedNames = [
34:	'__halt_compiler',
35:	'abstract',
36:	'and',
37:	'array',
38:	'as',
39:	'break',
40:	'callable',
41:	'case',
42:	'catch',
43:	'class',
44:	'clone',
45:	'const',
46:	'continue',
47:	'declare',
48:	'default',
49:	'die',
50:	'do',
51:	'echo',
52:	'else',
53:	'elseif',
54:	'empty',
55:	'enddeclare',
56:	'endfor',
57:	'endforeach',
58:	'endif',
59:	'endswitch',
60:	'endwhile',
61:	'eval',
62:	'exit',
63:	'extends',
64:	'final',
65:	'finally',
66:	'fn',
67:	'for',
68:	'foreach',
69:	'function',
70:	'global',
71:	'goto',
72:	'if',
73:	'implements',
74:	'include',
75:	'include_once',
76:	'instanceof',
77:	'insteadof',
78:	'interface',
79:	'isset',
80:	'list',
81:	'namespace',
82:	'new',
83:	'or',
84:	'print',
85:	'private',
86:	'protected',
87:	'public',
88:	'require',
89:	'require_once',
90:	'return',
91:	'static',
92:	'switch',
93:	'throw',
94:	'trait',
95:	'try',
96:	'unset',
97:	'use',
98:	'var',
99:	'while',
100:	'xor',
101:	'yield',
102:	];
103:
104:	/**
105:	* Create a new controller creator command instance.
106:	*
107:	* @param \Illuminate\Filesystem\Filesystem $files
108:	* @return void
109:	*/
110:	public function __construct(Filesystem $files)
111:	{
112:	parent::__construct();
113:
114:	$this->files = $files;
115:	}
116:
117:	/**
118:	* Get the stub file for the generator.
119:	*
120:	* @return string
121:	*/
122:	abstract protected function getStub();
123:
124:	/**
125:	* Execute the console command.
126:	*
127:	* @return bool
128:	*
129:	* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
130:	*/
131:	protected function execute(InputInterface $input, OutputInterface $output)
132:	{
133:	// First we need to ensure that the given name is not a reserved word within the PHP
134:	// language and that the class name will actually be valid. If it is not valid we
135:	// can error now and prevent from polluting the filesystem using invalid files.
136:	if ($this->isReservedName($this->getNameInput($input))) {
137:	$output->writeln('The name "' . $this->getNameInput($input) . '" is reserved by PHP.');
138:
139:	return false;
140:	}
141:
142:	$name = $this->qualifyClass($this->getNameInput($input));
143:
144:	$path = $this->getPath($name);
145:
146:	// Next, We will check to see if the class already exists. If it does, we don't want
147:	// to create the class and overwrite the user's code. So, we will bail out so the
148:	// code is untouched. Otherwise, we will continue generating this class' files.
149:	if ((!$input->hasOption('force') \|\|
150:	!$input->getOption('force')) &&
151:	$this->alreadyExists($this->getNameInput($input))) {
152:	$output->writeln('Seed already exists!');
153:
154:	return false;
155:	}
156:
157:	// Next, we will generate the path to the location where this class' file should get
158:	// written. Then, we will build the class and make the proper replacements on the
159:	// stub files so that it gets the correctly formatted namespace and class name.
160:	$this->makeDirectory($path);
161:
162:	$this->files->put($path, $this->sortImports($this->buildClass($name)));
163:
164:	$output->writeln('Seed created successfully.');
165:
166:	return true;
167:	}
168:
169:	/**
170:	* Parse the class name and format according to the root namespace.
171:	*
172:	* @param string $name
173:	* @return string
174:	*/
175:	protected function qualifyClass($name)
176:	{
177:	$name = ltrim($name, '\\/');
178:
179:	$rootNamespace = Api::RootPath();
180:
181:	if (Str::startsWith($name, $rootNamespace)) {
182:	return $name;
183:	}
184:
185:	$name = str_replace('/', '\\', $name);
186:
187:	return $this->qualifyClass(
188:	$this->getDefaultNamespace(trim($rootNamespace, '\\')) . '\\' . $name
189:	);
190:	}
191:
192:	/**
193:	* Get the default namespace for the class.
194:	*
195:	* @param string $rootNamespace
196:	* @return string
197:	*/
198:	protected function getDefaultNamespace($rootNamespace)
199:	{
200:	return $rootNamespace;
201:	}
202:
203:	/**
204:	* Determine if the class already exists.
205:	*
206:	* @param string $rawName
207:	* @return bool
208:	*/
209:	protected function alreadyExists($rawName)
210:	{
211:	return $this->files->exists($this->getPath($this->qualifyClass($rawName)));
212:	}
213:
214:	/**
215:	* Get the destination class path.
216:	*
217:	* @param $name
218:	* @param $moduleName
219:	* @return string
220:	*/
221:	protected function getPath($name)
222:	{
223:	return \Aurora\Api::RootPath() . 'seeds' . DIRECTORY_SEPARATOR . str_replace('\\', '/', $name) . '.php';
224:	}
225:
226:	/**
227:	* Build the directory for the class if necessary.
228:	*
229:	* @param string $path
230:	* @return string
231:	*/
232:	protected function makeDirectory($path)
233:	{
234:	if (!$this->files->isDirectory(dirname($path))) {
235:	$this->files->makeDirectory(dirname($path), 0777, true, true);
236:	}
237:
238:	return $path;
239:	}
240:
241:	/**
242:	* Build the class with the given name.
243:	*
244:	* @param string $name
245:	* @return string
246:	*
247:	* @throws \Illuminate\Contracts\Filesystem\FileNotFoundException
248:	*/
249:	protected function buildClass($name)
250:	{
251:	$stub = $this->files->get($this->getStub());
252:
253:	return $this->replaceNamespace($stub, $name)->replaceClass($stub, $name);
254:	}
255:
256:	/**
257:	* Replace the namespace for the given stub.
258:	*
259:	* @param string $stub
260:	* @param string $name
261:	* @return $this
262:	*/
263:	protected function replaceNamespace(&$stub, $name)
264:	{
265:	$searches = [
266:	['DummyNamespace', 'DummyRootNamespace', 'NamespacedDummyUserModel'],
267:	['{{ namespace }}', '{{ rootNamespace }}', '{{ namespacedUserModel }}'],
268:	['{{namespace}}', '{{rootNamespace}}', '{{namespacedUserModel}}'],
269:	];
270:
271:	foreach ($searches as $search) {
272:	$stub = str_replace(
273:	$search,
274:	[$this->getNamespace($name)],
275:	$stub
276:	);
277:	}
278:
279:	return $this;
280:	}
281:
282:	/**
283:	* Get the full namespace for a given class, without the class name.
284:	*
285:	* @param string $name
286:	* @return string
287:	*/
288:	protected function getNamespace($name)
289:	{
290:	return trim(implode('\\', array_slice(explode('\\', $name), 0, -1)), '\\');
291:	}
292:
293:	/**
294:	* Replace the class name for the given stub.
295:	*
296:	* @param string $stub
297:	* @param string $name
298:	* @return string
299:	*/
300:	protected function replaceClass($stub, $name)
301:	{
302:	$class = str_replace($this->getNamespace($name) . '\\', '', $name);
303:
304:	return str_replace(['DummyClass', '{{ class }}', '{{class}}'], $class, $stub);
305:	}
306:
307:	/**
308:	* Alphabetically sorts the imports for the given stub.
309:	*
310:	* @param string $stub
311:	* @return string
312:	*/
313:	protected function sortImports($stub)
314:	{
315:	if (preg_match('/(?P<imports>(?:use [^;]+;$\n?)+)/m', $stub, $match)) {
316:	$imports = explode("\n", trim($match['imports']));
317:
318:	sort($imports);
319:
320:	return str_replace(trim($match['imports']), implode("\n", $imports), $stub);
321:	}
322:
323:	return $stub;
324:	}
325:
326:	/**
327:	* Get the desired class name from the input.
328:	*
329:	* @return string
330:	*/
331:	protected function getNameInput(InputInterface $input)
332:	{
333:	return trim($input->getArgument('name'));
334:	}
335:
336:	/**
337:	* Checks whether the given name is reserved.
338:	*
339:	* @param string $name
340:	* @return bool
341:	*/
342:	protected function isReservedName($name)
343:	{
344:	$name = strtolower($name);
345:
346:	return in_array($name, $this->reservedNames);
347:	}
348:	}
349:

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