1 files changed, 56 insertions, 0 deletions
diff --git a/ride/category.go b/ride/category.go
new file mode 100644
index 0000000..0eafcc0
--- /dev/null
+++ b/ride/category.go
@@ -0,0 +1,56 @@
+package ride
+
+type BikeType string
+
+const (
+	BikeTypeRoad BikeType = "road"
+	BikeTypeMTB  BikeType = "mtb"
+)
+
+type RideType string
+
+const (
+	RideTypeTraining  RideType = "training"
+	RideTypeIndoor    RideType = "indoor"
+	RideTypeRace      RideType = "race"
+	RideTypeTransport RideType = "transport"
+)
+
+var validBikeTypes = map[BikeType]struct{}{
+	BikeTypeRoad: {},
+	BikeTypeMTB:  {},
+}
+
+var validRideTypes = map[RideType]struct{}{
+	RideTypeTraining:  {},
+	RideTypeIndoor:    {},
+	RideTypeRace:      {},
+	RideTypeTransport: {},
+}
+
+var AllBikeTypes = []BikeType{BikeTypeRoad, BikeTypeMTB}
+var AllRideTypes = []RideType{RideTypeTraining, RideTypeIndoor, RideTypeRace, RideTypeTransport}
+
+func IsValidBikeType(value string) bool {
+	_, ok := validBikeTypes[BikeType(value)]
+	return ok
+}
+
+func IsValidRideType(value string) bool {
+	_, ok := validRideTypes[RideType(value)]
+	return ok
+}
+
+func IsValidOrEmptyBikeType(value string) bool {
+	if value == "" {
+		return true
+	}
+	return IsValidBikeType(value)
+}
+
+func IsValidOrEmptyRideType(value string) bool {
+	if value == "" {
+		return true
+	}
+	return IsValidRideType(value)
+}