[BugFix] avoid backpack:build to generate interfaces for abstract models and others

src/Console/Commands/BuildBackpackCommand.php

@@ -3,7 +3,7 @@
 namespace Backpack\Generators\Console\Commands;
 
 use Illuminate\Console\Command;
-use Illuminate\Support\Arr;
+use Illuminate\Database\Eloquent\Model;
 use Illuminate\Support\Str;
 
 class BuildBackpackCommand extends Command
@@ -41,36 +41,73 @@ public function handle()
             return;
         }
 
-        foreach ($models as $key => $model) {
+        foreach ($models as $model) {
             $this->call('backpack:crud', ['name' => $model, '--validation' => $this->option('validation')]);
             $this->line('  <fg=gray>----------</>');
         }
 
         $this->deleteLines();
     }
 
-    private function getModels($path)
+    private function getModels(string $path): array
     {
         $out = [];
         $results = scandir($path);
 
         foreach ($results as $result) {
-            if ($result === '.' or $result === '..') {
+            $filepath = "$path/$result";
+
+            // ignore hidden filed
+            if ($result[0] === '.') {
                 continue;
             }
-            $filename = $path.'/'.$result;
-
-            if (is_dir($filename)) {
-                $out = array_merge($out, $this->getModels($filename));
-            } else {
-                $file_content = file_get_contents($filename);
-                if (Str::contains($file_content, 'Illuminate\Database\Eloquent\Model') &&
-                    Str::contains($file_content, 'extends Model')) {
-                    $out[] = Arr::last(explode('/', substr($filename, 0, -4)));
-                }
+
+            if (is_dir($filepath)) {
+                $out = array_merge($out, $this->getModels($filepath));
+                continue;
+            }
+
+            // Try to load it by path as namespace
+            $class = Str::of($filepath)
+                ->after(base_path())
+                ->trim('\\/')
+                ->replace('/', '\\')
+                ->before('.php')
+                ->ucfirst()
+                ->value();
+
+            $result = $this->validateModelClass($class);
+            if ($result) {
+                $out[] = $result;
+                continue;
+            }
+
+            // Try to load it from file content
+            $fileContent = Str::of(file_get_contents($filepath));
+            $namespace = $fileContent->match('/namespace (.*);/')->value();
+            $classname = $fileContent->match('/class (\w+)/')->value();
+
+            $result = $this->validateModelClass("$namespace\\$classname");
+            if ($result) {
+                $out[] = $result;
+                continue;
             }
         }
 
         return $out;
     }
+
+    private function validateModelClass(string $class): ?string
+    {
+        try {
+            $reflection = new \ReflectionClass($class);
+
+            if ($reflection->isSubclassOf(Model::class) && ! $reflection->isAbstract()) {
+                return Str::of($class)->afterLast('\\');
+            }
+        } catch (\Throwable$e) {
+        }
+
+        return null;
+    }
 }