newsbot-portal/internal/handlers/handler.go

package handlers

import (
	"context"

	"github.com/a-h/templ"
	"github.com/labstack/echo/v4"
	"github.com/labstack/echo/v4/middleware"

	"git.jamestombleson.com/jtom38/newsbot-portal/apiclient"
	"git.jamestombleson.com/jtom38/newsbot-portal/internal/config"
)

const (
	ErrParameterIdMissing = "The requested parameter ID was not found."
	ErrParameterMissing   = "The requested parameter was not found found:"
	ErrUnableToParseId    = "Unable to parse the requested ID"

	ErrRecordMissing        = "The requested record was not found"
	ErrFailedToCreateRecord = "The record was not created due to a database problem"
	ErrFailedToUpdateRecord = "The requested record was not updated due to a database problem"

	ErrUserUnknown         = "User is unknown"
	ErrYouDontOwnTheRecord = "The record requested does not belong to you"

	ResponseMessageSuccess = "Success"
)

var (
	ErrIdValueMissing        string = "id value is missing"
	ErrValueNotUuid          string = "a value given was expected to be a uuid but was not correct."
	ErrNoRecordFound         string = "no record was found."
	ErrUnableToConvertToJson string = "Unable to convert to json"
)

type Handler struct {
	Router *echo.Echo
	config config.Configs
	api    apiclient.ApiClient
}

func NewServer(ctx context.Context, configs config.Configs, apiClient apiclient.ApiClient) *Handler {
	s := &Handler{
		config: configs,
		api:    apiClient,
	}

	//jwtConfig := echojwt.Config{
	//	NewClaimsFunc: func(c echo.Context) jwt.Claims {
	//		return new(JwtToken)
	//	},
	//	SigningKey: []byte(configs.JwtSecret),
	//}

	router := echo.New()
	router.Pre(middleware.RemoveTrailingSlash())
	router.Pre(middleware.Logger())
	router.Pre(middleware.Recover())

	router.GET("/", s.HomeIndex)
	router.GET("/about", s.HomeAbout)

	debug := router.Group("/debug")
	debug.GET("/cookies", s.DebugCookies)

	articles := router.Group("/articles")
	articles.GET("", s.ArticlesList)

	users := router.Group("/users")
	users.GET("/login", s.UserLogin)
	users.POST("/login", s.UserAfterLogin)
	users.GET("/signup", s.UserSignUp)
	users.POST("/signup", s.UserAfterSignUp)

	s.Router = router
	return s
}

// This custom Render replaces Echo's echo.Context.Render() with templ's templ.Component.Render().
func Render(ctx echo.Context, statusCode int, t templ.Component) error {
	ctx.Response().Header().Set(echo.HeaderContentType, echo.MIMETextHTML)
	ctx.Response().Writer.WriteHeader(statusCode)
	return t.Render(ctx.Request().Context(), ctx.Response().Writer)
}

/*
func (s *Handler) WriteError(c echo.Context, errMessage error, HttpStatusCode int) error {
	return c.JSON(HttpStatusCode, domain.BaseResponse{
		Message: errMessage.Error(),
	})
}

func (s *Handler) WriteMessage(c echo.Context, msg string, HttpStatusCode int) error {
	return c.JSON(HttpStatusCode, domain.BaseResponse{
		Message: msg,
	})
}

func (s *Handler) InternalServerErrorResponse(c echo.Context, msg string) error {
	return c.JSON(http.StatusInternalServerError, domain.BaseResponse{
		Message: msg,
	})
}

func (s *Handler) UnauthorizedResponse(c echo.Context, msg string) error {
	return c.JSON(http.StatusUnauthorized, domain.BaseResponse{
		Message: msg,
	})
}
*/

// If the token is not valid then an json error will be returned.
// If the token has the wrong scope, a json error will be returned.
// If the token passes all the checks, it is valid and is returned back to the caller.
//func (s *Handler) ValidateJwtToken(c echo.Context, requiredScope string) (JwtToken, error) {
//	token, err := s.getJwtTokenFromContext(c)
//	if err != nil {
//		s.WriteMessage(c, ErrJwtMissing, http.StatusUnauthorized)
//	}
//
//	err = token.hasExpired()
//	if err != nil {
//		return JwtToken{}, errors.New(ErrJwtExpired)
//		//s.WriteMessage(c, ErrJwtExpired, http.StatusUnauthorized)
//	}
//
//	err = token.hasScope(requiredScope)
//	if err != nil {
//		return JwtToken{}, errors.New(ErrJwtScopeMissing)
//		//s.WriteMessage(c, ErrJwtScopeMissing, http.StatusUnauthorized)
//	}
//
//	if token.Iss != s.config.ServerAddress {
//		return JwtToken{}, errors.New(ErrJwtInvalidIssuer)
//		//s.WriteMessage(c, ErrJwtInvalidIssuer, http.StatusUnauthorized)
//	}
//
//	return token, nil
//}

//func (s *Handler) GetUserIdFromJwtToken(c echo.Context) int64 {
//	token, err := s.getJwtTokenFromContext(c)
//	if err != nil {
//		s.WriteMessage(c, ErrJwtMissing, http.StatusUnauthorized)
//	}
//
//	return token.GetUserId()
//}