Improve bin/lipsum UX

Summary: Ref T9156. This makes the UX a little more modern/standard/safe.

Test Plan:
```
epriestley@orbital ~/dev/phabricator $ ./bin/lipsum generate
Choose which type or types of test data you want to generate, or select "all".

      - Differential Revisions
      - Files
      - Maniphest Tasks
      - Pastes
      - Pholio Mocks
      - Projects
      - User Accounts
```

Reviewers: chad

Reviewed By: chad

Maniphest Tasks: T9156

Differential Revision: https://secure.phabricator.com/D14873

scripts/lipsum/manage_lipsum.php

@@ -5,10 +5,10 @@ $root = dirname(dirname(dirname(__FILE__)));
 require_once $root.'/scripts/__init_script__.php';
 
 $args = new PhutilArgumentParser($argv);
-$args->setTagline(pht('manage lipsum'));
+$args->setTagline(pht('synthetic data generator'));
 $args->setSynopsis(<<<EOSYNOPSIS
 **lipsum** __command__ [__options__]
-    Manage Phabricator Test Data Generator.
+    Generate synthetic test data to make development easier.
 
 EOSYNOPSIS
   );

src/applications/differential/lipsum/PhabricatorDifferentialRevisionTestDataGenerator.php

@@ -3,7 +3,11 @@
 final class PhabricatorDifferentialRevisionTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
-  public function generate() {
+  public function getGeneratorName() {
+    return pht('Differential Revisions');
+  }
+
+  public function generateObject() {
     $author = $this->loadPhabrictorUser();
 
     $revision = DifferentialRevision::initializeNewRevision($author);

src/applications/files/lipsum/PhabricatorFileTestDataGenerator.php

@@ -3,7 +3,11 @@
 final class PhabricatorFileTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
-  public function generate() {
+  public function getGeneratorName() {
+    return pht('Files');
+  }
+
+  public function generateObject() {
     $author_phid = $this->loadPhabrictorUserPHID();
     $dimension = 1 << rand(5, 12);
     $image = id(new PhabricatorLipsumMondrianArtist())

src/applications/lipsum/generator/PhabricatorTestDataGenerator.php

@@ -2,9 +2,8 @@
 
 abstract class PhabricatorTestDataGenerator extends Phobject {
 
-  public function generate() {
-    return;
-  }
+  abstract public function getGeneratorName();
+  abstract public function generateObject();
 
   public function loadOneRandom($classname) {
     try {

src/applications/lipsum/management/PhabricatorLipsumGenerateWorkflow.php

@@ -7,7 +7,7 @@ final class PhabricatorLipsumGenerateWorkflow
     $this
       ->setName('generate')
       ->setExamples('**generate**')
-      ->setSynopsis(pht('Generate some lipsum.'))
+      ->setSynopsis(pht('Generate synthetic test objects.'))
       ->setArguments(
         array(
           array(
@@ -18,77 +18,124 @@ final class PhabricatorLipsumGenerateWorkflow
   }
 
   public function execute(PhutilArgumentParser $args) {
-    $console = PhutilConsole::getConsole();
+    $config_key = 'phabricator.developer-mode';
+    if (!PhabricatorEnv::getEnvConfig($config_key)) {
+      throw new PhutilArgumentUsageException(
+        pht(
+          'lipsum is a development and testing tool and may only be run '.
+          'on installs in developer mode. Enable "%s" in your configuration '.
+          'to enable lipsum.',
+          $config_key));
+    }
 
-    $supported_types = id(new PhutilClassMapQuery())
+    $all_generators = id(new PhutilClassMapQuery())
       ->setAncestorClass('PhabricatorTestDataGenerator')
       ->execute();
 
-    $console->writeOut(
-      "%s:\n\t%s\n",
-      pht('These are the types of data you can generate'),
-      implode("\n\t", array_keys($supported_types)));
+    $argv = $args->getArg('args');
+    $all = 'all';
 
-    $prompt = pht('Are you sure you want to generate lots of test data?');
+    if (!$argv) {
+      $names = mpull($all_generators, 'getGeneratorName');
+      sort($names);
+
+      $list = id(new PhutilConsoleList())
+        ->setWrap(false)
+        ->addItems($names);
+
+      id(new PhutilConsoleBlock())
+        ->addParagraph(
+          pht(
+            'Choose which type or types of test data you want to generate, '.
+            'or select "%s".',
+            $all))
+        ->addList($list)
+        ->draw();
+
+      return 0;
+    }
+
+    $generators = array();
+    foreach ($argv as $arg_original) {
+      $arg = phutil_utf8_strtolower($arg_original);
+
+      $match = false;
+      foreach ($all_generators as $generator) {
+        $name = phutil_utf8_strtolower($generator->getGeneratorName());
+
+        if ($arg == $all) {
+          $generators[] = $generator;
+          $match = true;
+          break;
+        }
+
+        if (strpos($name, $arg) !== false) {
+          $generators[] = $generator;
+          $match = true;
+          break;
+        }
+      }
+
+      if (!$match) {
+        throw new PhutilArgumentUsageException(
+          pht(
+            'Argument "%s" does not match the name of any generators.',
+            $arg_original));
+      }
+    }
+
+    echo tsprintf(
+      "**<bg:blue> %s </bg>** %s\n",
+      pht('GENERATORS'),
+      pht(
+        'Selected generators: %s.',
+        implode(', ', mpull($generators, 'getGeneratorName'))));
+
+    echo tsprintf(
+      "**<bg:yellow> %s </bg>** %s\n",
+      pht('WARNING'),
+      pht(
+        'This command generates synthetic test data, including user '.
+        'accounts. It is intended for use in development environments '.
+        'so you can test features more easily. There is no easy way to '.
+        'delete this data or undo the effects of this command. If you run '.
+        'it in a production environment, it will pollute your data with '.
+        'large amounts of meaningless garbage that you can not get rid of.'));
+
+    $prompt = pht('Are you sure you want to generate piles of garbage?');
     if (!phutil_console_confirm($prompt, true)) {
       return;
     }
 
-    $argv = $args->getArg('args');
-    if (count($argv) == 0 || (count($argv) == 1 && $argv[0] == 'all')) {
-      $this->infinitelyGenerate($supported_types);
-    } else {
-      $new_supported_types = array();
-      for ($i = 0; $i < count($argv); $i++) {
-        $arg = $argv[$i];
-        if (array_key_exists($arg, $supported_types)) {
-          $new_supported_types[$arg] = $supported_types[$arg];
-        } else {
-          $console->writeErr(
-            "%s\n",
-            pht(
-              'The type %s is not supported by the lipsum generator.',
-              $arg));
-        }
-      }
-      $this->infinitelyGenerate($new_supported_types);
-    }
+    echo tsprintf(
+      "**<bg:green> %s </bg>** %s\n",
+      pht('LIPSUM'),
+      pht(
+        'Generating synthetic test objects forever. '.
+        'Use ^C to stop when satisfied.'));
 
-    $console->writeOut(
-      "%s\n%s:\n%s\n",
-      pht('None of the input types were supported.'),
-      pht('The supported types are'),
-      implode("\n", array_keys($supported_types)));
+    $this->generate($generators);
   }
 
-  protected function infinitelyGenerate(array $supported_types) {
-    $console = PhutilConsole::getConsole();
-
-    if (count($supported_types) == 0) {
-      return;
-    }
-    $console->writeOut(
-      "%s: %s\n",
-      pht('GENERATING'),
-      implode(', ', array_keys($supported_types)));
+  protected function generate(array $generators) {
+    $viewer = $this->getViewer();
 
     while (true) {
-      $type = $supported_types[array_rand($supported_types)];
-      $admin = $this->getViewer();
+      $generator = $generators[array_rand($generators)];
 
-      $taskgen = newv($type, array());
-      $object = $taskgen->generate();
-      $handle = id(new PhabricatorHandleQuery())
-        ->setViewer($admin)
-        ->withPHIDs(array($object->getPHID()))
-        ->executeOne();
+      $object = $generator->generateObject();
+      $object_phid = $object->getPHID();
 
-      $console->writeOut(
-        "%s: %s\n",
-        pht('Generated %s', $handle->getTypeName()),
-        $handle->getFullName());
+      $handles = $viewer->loadHandles(array($object_phid));
 
-      usleep(200000);
+      echo tsprintf(
+        "%s\n",
+        pht(
+          'Generated "%s": %s',
+          $handles[$object_phid]->getTypeName(),
+          $handles[$object_phid]->getFullName()));
+
+      sleep(1);
     }
   }
 

src/applications/maniphest/lipsum/PhabricatorManiphestTaskTestDataGenerator.php

@@ -3,7 +3,11 @@
 final class PhabricatorManiphestTaskTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
-  public function generate() {
+  public function getGeneratorName() {
+    return pht('Maniphest Tasks');
+  }
+
+  public function generateObject() {
     $author_phid = $this->loadPhabrictorUserPHID();
     $author = id(new PhabricatorUser())
       ->loadOneWhere('phid = %s', $author_phid);

src/applications/paste/lipsum/PhabricatorPasteTestDataGenerator.php

@@ -3,13 +3,17 @@
 final class PhabricatorPasteTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
+  public function getGeneratorName() {
+    return pht('Pastes');
+  }
+
   // Better Support for this in the future
   public $supportedLanguages = array(
     'Java' => 'java',
     'PHP' => 'php',
   );
 
-  public function generate() {
+  public function generateObject() {
     $author = $this->loadPhabrictorUser();
     $authorphid = $author->getPHID();
     $language = $this->generateLanguage();

src/applications/people/lipsum/PhabricatorPeopleTestDataGenerator.php

@@ -3,7 +3,11 @@
 final class PhabricatorPeopleTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
-  public function generate() {
+  public function getGeneratorName() {
+    return pht('User Accounts');
+  }
+
+  public function generateObject() {
 
     while (true) {
       try {

src/applications/pholio/lipsum/PhabricatorPholioMockTestDataGenerator.php

@@ -3,7 +3,11 @@
 final class PhabricatorPholioMockTestDataGenerator
   extends PhabricatorTestDataGenerator {
 
-  public function generate() {
+  public function getGeneratorName() {
+    return pht('Pholio Mocks');
+  }
+
+  public function generateObject() {
     $author_phid = $this->loadPhabrictorUserPHID();
     $author = id(new PhabricatorUser())
           ->loadOneWhere('phid = %s', $author_phid);

src/applications/project/lipsum/PhabricatorProjectTestDataGenerator.php

@@ -5,7 +5,11 @@ final class PhabricatorProjectTestDataGenerator
 
   private $xactions = array();
 
-  public function generate() {
+  public function getGeneratorName() {
+    return pht('Projects');
+  }
+
+  public function generateObject() {
     $title = $this->generateTitle();
     $author = $this->loadPhabrictorUser();
     $author_phid = $author->getPHID();