Server side form validation 2

internal/forms/forms.go

@@ -22,5 +22,14 @@ func New(data url.Values) *Form {
 // Has checks if form field is in post and not emtpy
 func (f *Form) Has(field string, r *http.Request) bool {
 	x := r.Form.Get(field)
-	return x != ""
+	if x == "" {
+		f.Errors.Add(field, "This field cannot be blank")
+		return false
+	}
+	return true
+}
+
+// Valid returns true if there are no errors, otherwise false
+func (f *Form) Valid() bool {
+	return len(f.Errors) == 0
 }