Cleaned up some validation code, stricter validation

internal/notif/base.go

@@ -0,0 +1,47 @@
+package notif
+
+import (
+	"net/url"
+	"strings"
+
+	E "github.com/yusing/go-proxy/internal/error"
+)
+
+type ProviderBase struct {
+	Name  string `json:"name" validate:"required"`
+	URL   string `json:"url" validate:"url"`
+	Token string `json:"token"`
+}
+
+var (
+	ErrMissingToken     = E.New("token is required")
+	ErrURLMissingScheme = E.New("url missing scheme, expect 'http://' or 'https://'")
+)
+
+// Validate implements the utils.CustomValidator interface.
+func (base *ProviderBase) Validate() E.Error {
+	if base.Token == "" {
+		return ErrMissingToken
+	}
+	if !strings.HasPrefix(base.URL, "http://") && !strings.HasPrefix(base.URL, "https://") {
+		return ErrURLMissingScheme
+	}
+	u, err := url.Parse(base.URL)
+	if err != nil {
+		return E.Wrap(err)
+	}
+	base.URL = u.String()
+	return nil
+}
+
+func (base *ProviderBase) GetName() string {
+	return base.Name
+}
+
+func (base *ProviderBase) GetURL() string {
+	return base.URL
+}
+
+func (base *ProviderBase) GetToken() string {
+	return base.Token
+}