jsonToSchema.go

package main

import (
	"encoding/json"
	"fmt"
	"log"
	"reflect"

	dynamicstruct "github.com/Ompluscator/dynamic-struct"
	"github.com/alecthomas/jsonschema"
	"github.com/xeipuuv/gojsonschema"
)

var personJSON = `
{
  "FirstName": "John",
  "LastName": "Doe",
  "Age": 21
}
`

func main() {

	var m map[string]interface{}
	err := json.Unmarshal([]byte(personJSON), &m)
	if err != nil {
		log.Fatal(err)
	}

	builder := dynamicstruct.NewStruct()
	for k, v := range m {
		builder.AddField(k, v, "")
	}
	person := builder.Build().New()

	if err := json.Unmarshal([]byte(personJSON), &person); err != nil {
		log.Fatal(err)
	}

	valueType := reflect.TypeOf(person)
	fmt.Println(valueType.String())

	schema := jsonschema.Reflect(person)
	_ = gojsonschema.NewGoLoader(schema)
}