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MovieNight/scrapedagain/main/errors.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"fmt"
+	"reflect"
+	"strings"
+)
+
+func errorName(err error) string {
+	return reflect.ValueOf(err).Type().Name()
+}
+
+// UserNameError is a base error for errors that deal with user names
+type UserNameError struct {
+	Name string
+}
+
+// UserFormatError is an error for when the name format does not match what is required
+type UserFormatError UserNameError
+
+func (e UserFormatError) Error() string {
+	return fmt.Sprintf("\"%s\", is in an invalid format", e.Name)
+}
+
+// UserTakenError is an error for when a user tries to join with a name that is already taken
+type UserTakenError UserNameError
+
+func (e UserTakenError) Error() string {
+	return fmt.Sprintf("\"%s\", is already taken", e.Name)
+}
+
+// BannedUserError is an error for when a user tries to join with a banned ip address
+type BannedUserError struct {
+	Host, Name string
+	Names      []string
+}
+
+func (e BannedUserError) Error() string {
+	return fmt.Sprintf("banned user tried to connect with IP %s: %s (banned with name(s) %s)", e.Host, e.Name, strings.Join(e.Names, ", "))
+}
+
+func newBannedUserError(host, name string, names []string) BannedUserError {
+	return BannedUserError{
+		Host:  host,
+		Name:  name,
+		Names: names,
+	}
+}