gqlutils

func StructToFields ¶

func StructToFields(strct interface{}) graphql.Fields

StructToFields takes a json tag and generate fields.

The following function supports the json tag rules, and adding additional tags:

• type - The datatype to use (Golang's basic data types). If non provided, the default data type of the field will be used.
• desc - description for the field
• deprecation - A deprecation message for the field

Example for struct:

 type test struct {
	  ID       int       `json:"id,omitempty" desc:"foo bar" type:"int64"`
	  Name     string    `json:"-"`
	  DateTime time.Time `json:"date_time" type:"time" desc:"DateTime"`
	  KeyName  int64     `json:"-," deprecation:""`
	  Nothing  string
 }

func TypeToGQLType ¶

func TypeToGQLType(typ string) *graphql.Scalar

TypeToGQLType takes a string with a type and converts it into graphql Scalar. If unknown type is found, it returns graphql.String.

Supported data types:

• integer (byte, uintptr, int, int8, int16, int32, int64, uint..uint64)
• floating point (float32, float64, complex64, complex128)
• string (string, rune)
• date/time
• boolean