Allow parse expressions with Request::validate facade usage

Author: geangontijo

src/Extracting/Shared/ValidationRulesFinders/RequestValidateFacade.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Knuckles\Scribe\Extracting\Shared\ValidationRulesFinders;
+
+use PhpParser\Node;
+
+/**
+ * This class looks for
+ *   $anyVariable = Request::validate(...);
+ * or just
+ *   Request::validate(...);
+ *
+ * Also supports `->validateWithBag('', ...)`
+ */
+class RequestValidateFacade
+{
+    public static function find(Node $node)
+    {
+        if (!($node instanceof Node\Stmt\Expression)) return;
+
+        $expr = $node->expr;
+        if ($expr instanceof Node\Expr\Assign) {
+            $expr = $expr->expr; // If it's an assignment, get the expression on the RHS
+        }
+
+        if (
+            $expr instanceof Node\Expr\StaticCall
+            && in_array((string) $expr->class, ['Request', \Illuminate\Support\Facades\Request::class])
+        ) {
+            if ($expr->name->name == "validate") {
+                return $expr->args[0]->value;
+            }
+
+            if ($expr->name->name == "validateWithBag") {
+                return $expr->args[1]->value;
+            }
+        }
+    }
+}

src/Extracting/Strategies/GetFromInlineValidatorBase.php

@@ -175,6 +175,7 @@ protected function findValidationExpression($statements): ?array
     {
         $strategies = [
             RequestValidate::class, // $request->validate(...);
+            RequestValidateFacade::class, // Request::validate(...);
             ValidatorMake::class, // Validator::make($request, ...)
             ThisValidate::class, // $this->validate(...);
         ];