feat: add arch demo

README.md

@@ -70,12 +70,27 @@ Available Commands:
 
 ```
 
+1. Run `coca analysis`
+2. Run Command
+
 ### Analysis
 
 ```
 coca analysis
 ```
 
+### Arch
+
+```
+coca arch
+```
+
+Examples Results:
+
+![Architecture demo](docs/sample/arch.svg)
+
+Repo from: [https://github.com/howiehu/ddd-architecture-samples](https://github.com/howiehu/ddd-architecture-samples)
+
 ### Find Bad Smells
 
 ```bash

cmd/arch.go

@@ -30,8 +30,6 @@ var archCmd = &cobra.Command{
 		archApp := arch.NewArchApp()
 		dotContent := archApp.Analysis(parsedDeps, identifiersMap)
 
-		fmt.Println(dotContent)
-
 		ignores := strings.Split("", ",")
 		var nodeFilter = func(key string) bool {
 			for _, f := range ignores {

core/domain/arch/arch_app.go

@@ -66,6 +66,10 @@ func addCallInMethod(clz models.JClassNode, identifiersMap map[string]models.JId
 		// TODO: add implements, extends support
 		for _, call := range method.MethodCalls {
 			dst := call.Package + "." + call.Class
+			if src == dst {
+				continue
+			}
+
 			if _, ok := identifiersMap[dst]; ok {
 				relation := &tequila.Relation{
 					From:  src,