brainbuffer-go/pkg/brainbuffer/server/server.go
2021-04-12 17:01:00 +06:00

60 lines
1.5 KiB
Go

package server
import (
apperrors "brainbuffer/pkg/brainbuffer/errors"
"brainbuffer/pkg/brainbuffer/task"
"github.com/jackc/pgx/v4/pgxpool"
"github.com/knadh/koanf"
"github.com/labstack/echo/v4"
"github.com/labstack/echo/v4/middleware"
"github.com/rs/zerolog/log"
"net/http"
)
func New(conf *koanf.Koanf, pool *pgxpool.Pool) *echo.Echo {
server := echo.New()
server.HTTPErrorHandler = errorHandler(server)
registerHandlers(server, pool)
registerMiddleware(server, conf)
return server
}
func registerHandlers(server *echo.Echo, pool *pgxpool.Pool) {
task.AddHandlers(server)
}
func registerMiddleware(server *echo.Echo, conf *koanf.Koanf) {
server.Use(middleware.CORS())
server.Use(Logger())
server.Use(middleware.JWTWithConfig(middleware.JWTConfig{
Skipper: func(ctx echo.Context) bool {
return false
},
SigningMethod: middleware.AlgorithmHS256,
SigningKey: conf.Bytes("jwt.key"),
}))
}
func errorHandler(s *echo.Echo) echo.HTTPErrorHandler {
return func(err error, c echo.Context) {
mappedErr := err
switch v := err.(type) {
case apperrors.NotFoundError:
mappedErr = echo.NewHTTPError(http.StatusNotFound, v.Error())
case apperrors.UnknownError:
log.Err(v.Err).Send()
mappedErr = echo.NewHTTPError(http.StatusInternalServerError)
case apperrors.AlreadyExistsError:
// TODO: Change status code to hide user identity.
mappedErr = echo.NewHTTPError(http.StatusBadRequest, v.Error())
}
s.DefaultHTTPErrorHandler(mappedErr, c)
}
}