requests/base.go

package requests

import (
	"bytes"
	"errors"
	"net/http"
	"reflect"
)

func buildBodyRequest(ver, rawurl string, body *Body) *http.Request {
	var req *http.Request
	var err error
	contentType := ""

	if body.IOBody == nil {
		req, err = http.NewRequest(ver, rawurl, nil)
	} else {
		contentType = TypeURLENCODED
		var bodybuf *bytes.Buffer
		switch body.IOBody.(type) {
		case []byte:
			bodybuf = bytes.NewBuffer(body.IOBody.([]byte))
		case *bytes.Buffer:
			bodybuf = bytes.NewBuffer(body.IOBody.(*bytes.Buffer).Bytes())
		default:
			panic(errors.New("the type is not exist, type is" + reflect.TypeOf(body.IOBody).String()))
		}
		req, err = http.NewRequest(ver, rawurl, bodybuf)
	}

	if err != nil {
		panic(err)
	}

	if body.ContentType != "" {
		contentType = body.ContentType
	}

	if contentType != "" {
		req.Header.Set(HeaderKeyContentType, contentType)
	}

	return req

}