This commit is contained in:
DeveloperDurp 2026-03-18 05:33:42 -05:00
parent c59d09e4c9
commit 0284512e36
10 changed files with 274 additions and 301 deletions

165
respond/handlers.go Normal file
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package respond
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"github.com/a-h/templ"
"github.com/charmbracelet/log"
"gopkg.in/yaml.v3"
)
type BasicMessage struct {
Message string `json:"message"`
}
type StandardMessage struct {
Message interface{}
Status int `json:"status"`
}
type StandardError struct {
Message string `json:"message"`
Status int `json:"status"`
Description []string `json:"description"`
}
func (e StandardError) Error() string {
return fmt.Sprintf("Api error: %d", e.Status)
}
type Response interface {
SendResponse(w http.ResponseWriter, r *http.Request)
Test(http.Handler)
}
func (message *StandardMessage) SendReponse(
w http.ResponseWriter,
r *http.Request,
) {
setHeader(&w, message.Status)
contentType := r.Header.Get("Content-Type")
switch contentType {
case "application/yaml":
err := yaml.NewEncoder(w).Encode(message.Message)
if err != nil {
log.Error("Failed to Encode YAML", "error", err)
return
}
default:
err := json.NewEncoder(w).Encode(message.Message)
if err != nil {
log.Error("Failed to Encode")
return
}
}
}
func (message *StandardError) SendReponse(
w http.ResponseWriter,
r *http.Request,
) {
setHeader(&w, message.Status)
contentType := r.Header.Get("Content-Type")
switch contentType {
case "application/yaml":
err := yaml.NewEncoder(w).Encode(message.Message)
if err != nil {
log.Error("Failed to Encode YAML", "error", err)
return
}
default:
err := json.NewEncoder(w).Encode(message.Message)
if err != nil {
log.Error("Failed to Encode")
return
}
}
}
// NewFailureResponse returns a new instance of StandardError with the given
// message, status code and description.
func NewFailureResponse(
message string,
status int,
description []string,
) StandardError {
return StandardError{
Message: message,
Status: status,
Description: description,
}
}
// NewMessageResponse returns a new instance of StandardMessage with the given
// message and status code.
func NewMessageResponse(message interface{}, status int) *StandardMessage {
return &StandardMessage{
Message: message,
Status: status,
}
}
// NewBasicResponse returns a new basic instance of StandardMessage with the
// message of OK and Status OK.
func NewBasicResponse() *StandardMessage {
return &StandardMessage{
Message: BasicMessage{
Message: "OK",
},
Status: http.StatusOK,
}
}
// SetHeader sets the HTTP response headers for a JSON response.
func setHeader(w *http.ResponseWriter, statusCode int) {
(*w).WriteHeader(statusCode)
(*w).Header().Set("Content-Type", "application/json")
}
type APIFunc func(
w http.ResponseWriter,
r *http.Request,
) (interface{}, error)
func Make(handler APIFunc) http.HandlerFunc {
return func(w http.ResponseWriter, r *http.Request) {
resp, err := handler(w, r)
if err != nil {
var apiErr StandardError
if errors.As(err, &apiErr) {
apiErr.SendReponse(w, r)
return
}
resp := NewFailureResponse(
"Internal Server Error",
http.StatusInternalServerError,
[]string{err.Error()},
)
resp.SendReponse(w, r)
return
}
message, ok := resp.(*StandardMessage)
if ok {
message.SendReponse(w, r)
return
}
templMessage, ok := resp.(templ.Component)
if ok {
templMessage.Render(r.Context(), w)
return
}
w.WriteHeader(http.StatusInternalServerError)
w.Write([]byte("Internal Server Error"))
}
}

146
respond/handlers_test.go Normal file
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package respond
// import (
// "encoding/json"
// "net/http"
// "net/http/httptest"
// "reflect"
// "testing"
// )
//
// func TestSendResponseStandardMessage(t *testing.T) {
// message := &BasicMessage{
// Message: "Hello World!",
// }
// resp := &StandardMessage{
// Status: http.StatusAccepted,
// Message: message,
// }
// w := httptest.NewRecorder()
// resp.SendReponse(w)
//
// // Check the status code is set correctly
// if w.Code != 202 {
// t.Errorf("Expected status code to be 202, but got %d", w.Code)
// }
//
// // Check that the content type header is set to "application/json"
// contentType := w.Header().Get("Content-Type")
// if contentType != "application/json" {
// t.Errorf(
// "Expected content type to be 'application/json', but got %s",
// contentType,
// )
// }
//
// // Check that the message is written to the response body correctly
// response := &BasicMessage{}
// err := json.NewDecoder(w.Body).Decode(response)
// if err != nil {
// t.Fatal(err)
// }
// if !reflect.DeepEqual(message, response) {
// t.Errorf("Expected body to be %s but got %s", message, response)
// }
// }
//
// func TestSendResponseStandardError(t *testing.T) {
// resp := &StandardError{
// Status: http.StatusInternalServerError,
// Message: "An error has occured",
// Description: []string{"An Error"},
// }
//
// w := httptest.NewRecorder()
// resp.SendReponse(w)
//
// // Check the status code is set correctly
// if w.Code != 500 {
// t.Errorf("Expected status code to be 500, but got %d", w.Code)
// }
//
// // Check that the content type header is set to "application/json"
// contentType := w.Header().Get("Content-Type")
// if contentType != "application/json" {
// t.Errorf(
// "Expected content type to be 'application/json',"+
// " but got %s",
// contentType,
// )
// }
//
// // Check that the message is written to the response body correctly
// response := &StandardError{}
// err := json.NewDecoder(w.Body).Decode(response)
// if err != nil {
// t.Fatal(err)
// }
//
// if response.Message != resp.Message {
// t.Errorf(
// "Expected Message of %s but got %s",
// resp.Message,
// response.Message,
// )
// }
//
// if !reflect.DeepEqual(resp, response) {
// t.Errorf("Expected Message of %v but got %v", resp, response)
// }
// }
//
// // NewFailureResponse returns a new instance of StandardError with the given
// // message, status code and description.
// func TestNewFailureResponse(t *testing.T) {
// message := "An error has occured"
// status := http.StatusInternalServerError
// description := []string{"An Error"}
// resp := NewFailureResponse(message, status, description)
//
// if resp.Status != status {
// t.Errorf(
// "Expected Status to be %d but got %d",
// status,
// resp.Status,
// )
// }
// if resp.Message != message {
// t.Errorf(
// "Expected Status to be %s but got %s",
// message,
// resp.Message,
// )
// }
// if !reflect.DeepEqual(description, resp.Description) {
// t.Errorf(
// "Expected Status to be %v but got %v",
// description,
// resp.Description,
// )
// }
// }
//
// func TestNewMessageResponse(t *testing.T) {
//
// message := &BasicMessage{
// Message: "Hello World!",
// }
//
// resp := NewMessageResponse(message, http.StatusOK)
//
// if resp.Status != http.StatusOK {
// t.Errorf(
// "Expected Status to be %d but got %d",
// http.StatusOK,
// resp.Status,
// )
// }
// if !reflect.DeepEqual(message, resp.Message) {
// t.Errorf(
// "Expected Message to be %s but got %s",
// message,
// resp.Message,
// )
// }
// }
//