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errors.go
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errors.go
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package errors
import (
"fmt"
"github.com/pkg/errors"
"google.golang.org/grpc/status"
)
var (
// Common delivery
ErrMissingFile = errors.New("missing file")
// Common repository
ErrDb = errors.New("db error")
ErrImageService = errors.New("image service error")
// Profile
ErrTooShortUsername = errors.New("username must be at least 4 characters")
ErrTooLongUsername = errors.New("username must be no more than 30 characters")
ErrEmptyName = errors.New("name must not be empty")
ErrTooLongName = errors.New("name must be no more than 60 characters")
// Not found
ErrUserNotFound = errors.New("user not found")
ErrProfileNotFound = errors.New("profile not found")
ErrBoardNotFound = errors.New("board not found")
ErrPinNotFound = errors.New("pin not found")
ErrLikeNotFound = errors.New("no such like")
ErrFollowingNotFound = errors.New("no such following")
ErrChatNotFound = errors.New("chat not found")
ErrLinkNotFound = errors.New("link not found")
ErrNotificationNotFound = errors.New("notification not found")
// CSRF
ErrBadCsrfTokenCookie = errors.New("bad csrf token cookie")
ErrBadTokenTime = errors.New("bad token time")
ErrBadTokenData = errors.New("bad token data")
// Auth
ErrWrongLoginOrPassword = errors.New("wrong login or password")
ErrUserAlreadyExists = errors.New("user already exists")
// Invalid Param
ErrInvalidUserIdParam = errors.New("invalid user id param")
ErrInvalidBoardIdParam = errors.New("invalid board id param")
ErrInvalidPinIdParam = errors.New("invalid pin id param")
ErrInvalidPageParam = errors.New("invalid page param")
ErrInvalidLimitParam = errors.New("invalid limit param")
ErrInvalidLikedParam = errors.New("invalid liked param")
ErrInvalidChatIDParam = errors.New("invalid chat id param")
ErrInvalidLinkIDParam = errors.New("invalid link param")
// WebSocket
ErrUpgradeToWebSocket = errors.New("failed to upgrade protocol to websocket")
ErrBadParams = errors.New("bad params")
ErrBadRequest = errors.New("bad request")
ErrBadSessionCookie = errors.New("bad session cookie")
ErrFileCopy = errors.New("file copy error")
ErrParseForm = errors.New("parse form error")
ErrParseJson = errors.New("parse json error")
ErrReadBody = errors.New("read request body error")
ErrSameUserId = errors.New("same user id")
ErrService = errors.New("service error")
ErrCreateResponse = errors.New("create response error")
ErrCreateCsrfToken = errors.New("create csrf token error")
ErrUnauthorized = errors.New("unauthorized")
ErrNoContent = errors.New("no content")
ErrForbidden = errors.New("access denied")
ErrTokenExpired = errors.New("token expired")
ErrLikeAlreadyExists = errors.New("like already exists")
ErrFollowingAlreadyExists = errors.New("following already exists")
ErrPinAlreadyAdded = errors.New("pin already added")
ErrChatAlreadyExists = errors.New("chat already exists")
// Boards
ErrTooLongBoardName = errors.New("board name must be no more than 256 characters")
ErrTooLongBoardDescription = errors.New("board description must be no more than 500 characters")
ErrInvalidPrivacy = errors.New("invalid privacy")
// Pins
ErrTooLongPinTitle = errors.New("pin title must be no more than 100 characters")
ErrTooLongPinDescription = errors.New("pin description must be no more than 500 characters")
)
var ErrorsByNames = map[string]error{
// Common delivery
ErrMissingFile.Error(): ErrMissingFile,
// Common repository
ErrDb.Error(): ErrDb,
ErrImageService.Error(): ErrImageService,
// Profile
ErrTooShortUsername.Error(): ErrTooShortUsername,
ErrTooLongUsername.Error(): ErrTooLongUsername,
ErrEmptyName.Error(): ErrEmptyName,
ErrTooLongName.Error(): ErrTooLongName,
// Not found
ErrUserNotFound.Error(): ErrUserNotFound,
ErrProfileNotFound.Error(): ErrProfileNotFound,
ErrBoardNotFound.Error(): ErrBoardNotFound,
ErrPinNotFound.Error(): ErrPinNotFound,
ErrLikeNotFound.Error(): ErrLikeNotFound,
ErrFollowingNotFound.Error(): ErrFollowingNotFound,
ErrChatNotFound.Error(): ErrChatNotFound,
ErrLinkNotFound.Error(): ErrLinkNotFound,
// CSRF
ErrBadCsrfTokenCookie.Error(): ErrBadCsrfTokenCookie,
ErrBadTokenTime.Error(): ErrBadTokenTime,
ErrBadTokenData.Error(): ErrBadTokenData,
// Auth
ErrWrongLoginOrPassword.Error(): ErrWrongLoginOrPassword,
ErrUserAlreadyExists.Error(): ErrUserAlreadyExists,
// Invalid Param
ErrInvalidUserIdParam.Error(): ErrInvalidUserIdParam,
ErrInvalidBoardIdParam.Error(): ErrInvalidBoardIdParam,
ErrInvalidPinIdParam.Error(): ErrInvalidPinIdParam,
ErrInvalidPageParam.Error(): ErrInvalidPageParam,
ErrInvalidLimitParam.Error(): ErrInvalidLimitParam,
ErrInvalidPrivacy.Error(): ErrInvalidPrivacy,
ErrInvalidChatIDParam.Error(): ErrInvalidChatIDParam,
ErrInvalidLinkIDParam.Error(): ErrInvalidLinkIDParam,
// WebSocket
ErrUpgradeToWebSocket.Error(): ErrUpgradeToWebSocket,
ErrBadParams.Error(): ErrBadParams,
ErrBadRequest.Error(): ErrBadRequest,
ErrBadSessionCookie.Error(): ErrBadSessionCookie,
ErrFileCopy.Error(): ErrFileCopy,
ErrParseForm.Error(): ErrParseForm,
ErrParseJson.Error(): ErrParseJson,
ErrSameUserId.Error(): ErrSameUserId,
ErrService.Error(): ErrService,
ErrCreateResponse.Error(): ErrCreateResponse,
ErrCreateCsrfToken.Error(): ErrCreateCsrfToken,
ErrUnauthorized.Error(): ErrUnauthorized,
ErrNoContent.Error(): ErrNoContent,
ErrForbidden.Error(): ErrForbidden,
ErrTokenExpired.Error(): ErrTokenExpired,
ErrLikeAlreadyExists.Error(): ErrLikeAlreadyExists,
ErrFollowingAlreadyExists.Error(): ErrFollowingAlreadyExists,
ErrPinAlreadyAdded.Error(): ErrPinAlreadyAdded,
ErrChatAlreadyExists.Error(): ErrChatAlreadyExists,
}
type ErrRepositoryQuery struct {
Func string // the failing function name
Query string // query
Params []any // query params
Err error // original error
}
func (e ErrRepositoryQuery) Error() string {
return fmt.Sprintf("%s: query [%s], params %v, error [%s]", e.Func, e.Query, e.Params, e.Err)
}
func GRPCWrapper(err error) error {
errCause := errors.Cause(err).Error()
code, _ := GetGRPCCodeByError(err)
return status.Error(code, errCause)
}
func GRPCUnwrapper(err error) error {
s, _ := status.FromError(errors.Cause(err))
return errors.New(s.Message())
}
func RestoreHTTPError(err error) error {
return ErrorsByNames[err.Error()]
}