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fix unmarshal IntegerOption #421

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41 changes: 20 additions & 21 deletions discord/interaction.go
Original file line number Diff line number Diff line change
Expand Up @@ -539,21 +539,22 @@ var optionSupportedSnowflakeTypes = map[reflect.Type]CommandOptionType{
reflect.TypeOf(Snowflake(0)): MentionableOptionType,
}

var optionKindMap = map[reflect.Kind]CommandOptionType{
reflect.Int: NumberOptionType,
reflect.Int8: NumberOptionType,
reflect.Int16: NumberOptionType,
reflect.Int32: NumberOptionType,
reflect.Int64: NumberOptionType,
reflect.Uint: NumberOptionType,
reflect.Uint8: NumberOptionType,
reflect.Uint16: NumberOptionType,
reflect.Uint32: NumberOptionType,
reflect.Uint64: NumberOptionType,
reflect.Float32: NumberOptionType,
reflect.Float64: NumberOptionType,
reflect.String: StringOptionType,
reflect.Bool: BooleanOptionType,
func optionKindSwitch(kind reflect.Kind, typ CommandOptionType) (expectType CommandOptionType) {
switch kind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
if typ == IntegerOptionType || typ == NumberOptionType {
return typ
}
return IntegerOptionType
case reflect.Float32, reflect.Float64:
return NumberOptionType
case reflect.String:
return StringOptionType
case reflect.Bool:
return BooleanOptionType
}
return typ
}

// Unmarshal unmarshals the options into the struct pointer v. Each struct field
Expand All @@ -573,8 +574,8 @@ var optionKindMap = map[reflect.Kind]CommandOptionType{
// - Snowflake (MentionableOptionType)
// - string (StringOptionType)
// - bool (BooleanOptionType)
// - int* (int, int8, int16, int32, int64) (NumberOptionType)
// - uint* (uint, uint8, uint16, uint32, uint64) (NumberOptionType)
// - int* (int, int8, int16, int32, int64) (NumberOptionType, IntegerOptionType)
// - uint* (uint, uint8, uint16, uint32, uint64) (NumberOptionType, IntegerOptionType)
// - float* (float32, float64) (NumberOptionType)
// - (any struct and struct pointer) (not Discord-type-checked)
//
Expand Down Expand Up @@ -670,10 +671,8 @@ func unmarshalOptions(find func(string) unmarshalingOption, rv reflect.Value) er
}

fieldk := fieldt.Kind()
if expectType, ok := optionKindMap[fieldk]; ok {
if option.Type != expectType {
return fmt.Errorf("option %q expecting type %v, got %v", name, expectType, option.Type)
}
if expectType := optionKindSwitch(fieldk, option.Type); option.Type != expectType {
return fmt.Errorf("option %q expecting type %v, got %v", name, expectType, option.Type)
}

switch fieldk {
Expand Down
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