New command to load existing models for reference (#69)

Author: jasonmccreary

composer.json

@@ -11,7 +11,8 @@
         "symfony/yaml": "^4.3|^5.0",
         "illuminate/console": "^6.0|^7.0",
         "illuminate/filesystem": "^6.0|^7.0",
-        "illuminate/support": "^6.0|^7.0"
+        "illuminate/support": "^6.0|^7.0",
+        "doctrine/dbal": "^2.9"
     },
     "require-dev": {
         "phpunit/phpunit": "^8.0|^9.0",

composer.lock

@@ -2,6 +2,9 @@
 
 namespace Blueprint;
 
+use Blueprint\Commands\BlueprintCommand;
+use Blueprint\Commands\EraseCommand;
+use Blueprint\Commands\TraceCommand;
 use Illuminate\Contracts\Support\DeferrableProvider;
 use Illuminate\Support\Facades\File;
 use Illuminate\Support\ServiceProvider;
@@ -20,7 +23,7 @@ public function boot()
         }
 
         $this->publishes([
-            __DIR__.'/../config/blueprint.php' => config_path('blueprint.php'),
+            __DIR__ . '/../config/blueprint.php' => config_path('blueprint.php'),
         ]);
     }
 
@@ -32,7 +35,7 @@ public function boot()
     public function register()
     {
         $this->mergeConfigFrom(
-            __DIR__.'/../config/blueprint.php', 'blueprint'
+            __DIR__ . '/../config/blueprint.php', 'blueprint'
         );
 
         File::mixin(new FileMixins());
@@ -42,12 +45,16 @@ function ($app) {
                 return new BlueprintCommand($app['files']);
             }
         );
-
         $this->app->bind('command.blueprint.erase',
             function ($app) {
                 return new EraseCommand($app['files']);
             }
         );
+        $this->app->bind('command.blueprint.trace',
+            function ($app) {
+                return new TraceCommand($app['files']);
+            }
+        );
 
         $this->app->singleton(Blueprint::class, function ($app) {
             $blueprint = new Blueprint();
@@ -74,6 +81,7 @@ function ($app) {
         $this->commands([
             'command.blueprint.build',
             'command.blueprint.erase',
+            'command.blueprint.trace',
         ]);
     }
 
@@ -87,6 +95,7 @@ public function provides()
         return [
             'command.blueprint.build',
             'command.blueprint.erase',
+            'command.blueprint.trace',
             Blueprint::class,
         ];
     }

src/BlueprintServiceProvider.php

@@ -2,17 +2,28 @@
 
 namespace Blueprint;
 
+use Illuminate\Filesystem\Filesystem;
+
 class Builder
 {
-    public static function execute(Blueprint $blueprint, string $draft)
+    public static function execute(Blueprint $blueprint, Filesystem $files, string $draft)
     {
-        // TODO: read in previous models...
+        $cache = [];
+        if ($files->exists('.blueprint')) {
+            $cache = $blueprint->parse($files->get('.blueprint'));
+        }
 
-        $tokens = $blueprint->parse($draft);
+        $tokens = $blueprint->parse($files->get($draft));
+        $tokens['cache'] = $cache['models'] ?? [];
         $registry = $blueprint->analyze($tokens);
         $generated = $blueprint->generate($registry);
 
-        // TODO: save to .blueprint
+        $models = array_merge($tokens['cache'], $tokens['models'] ?? []);
+
+        $files->put(
+            '.blueprint',
+            $blueprint->dump($generated + ($models ? ['models' => $models] : []))
+        );
 
         return $generated;
     }