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example_test.go
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example_test.go
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package httpwrapper
import (
"context"
"io"
"log"
"net/http"
"strconv"
"github.com/rs/zerolog"
)
// Wrapping a POST http handler.
func Example_post() {
zl := zerolog.New(io.Discard).With()
type postRequest struct {
Name string `json:"name"`
}
createHandler := func() TypedHandler {
return func(r *http.Request) (*Response, *ErrorResponse) {
var pr postRequest
if err := BindBody(r, &pr); err != nil {
return nil, err
}
log.Println(pr)
return &Response{
Body: pr,
HTTPStatusCode: http.StatusCreated,
}, nil
}
}
Wrapper(zl.Logger(), createHandler()).ServeHTTP(nil, nil)
}
// Wrapping a GET http handler.
func Example_get() {
zl := zerolog.New(io.Discard).With()
getter := func(ctx context.Context, key string) (string, *ErrorResponse) {
if key == "id" {
return "1", nil
}
return "", MissingParamError{Name: key}.ToErrorResponse()
}
getHandler := func(nupg NamedURLParamsGetter) TypedHandler {
return func(r *http.Request) (*Response, *ErrorResponse) {
idParam, errR := nupg(r.Context(), "id")
if errR != nil {
return nil, errR
}
id, err := strconv.ParseInt(idParam, 10, 64)
if err != nil {
return nil, ParsingParamError{
Name: "id",
Value: idParam,
}.ToErrorResponse()
}
return &Response{
Body: id,
HTTPStatusCode: http.StatusOK,
}, nil
}
}
Wrapper(zl.Logger(), getHandler(getter)).ServeHTTP(nil, nil)
}