Validate on ActorData independently and move to model

models/activitypub/parser.go

@@ -0,0 +1,49 @@
+package activitypub
+
+import (
+	"fmt"
+	"net/url"
+	"strings"
+)
+
+type ActorData struct {
+	schema string
+	userId string
+	path   string
+	host   string
+	port   string // optional
+}
+
+func (a ActorData) ValidateActor() error {
+
+	if a.schema == "" || a.host == "" {
+		return fmt.Errorf("the actor ID was not valid: Invalid Schema or Host")
+	}
+
+	if !strings.Contains(a.path, "api/v1/activitypub/user-id") {
+		return fmt.Errorf("the Path to the API was invalid: %v", a.path)
+	}
+
+	return nil
+
+}
+
+func ParseActor(actor string) (ActorData, error) {
+	u, err := url.Parse(actor)
+
+	// check if userID IRI is well formed url
+	if err != nil {
+		return ActorData{}, fmt.Errorf("the actor ID was not a valid IRI: %v", err)
+	}
+
+	pathWithUserID := strings.Split(u.Path, "/")
+	userId := pathWithUserID[len(pathWithUserID)-1]
+
+	return ActorData{
+		schema: u.Scheme,
+		userId: userId,
+		host:   u.Host,
+		path:   u.Path,
+		port:   u.Port(),
+	}, nil
+}