mirror of
https://github.com/superseriousbusiness/gotosocial.git
synced 2024-11-06 00:49:35 +00:00
132 lines
3.4 KiB
Go
132 lines
3.4 KiB
Go
/*
|
|
GoToSocial
|
|
Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package dereferencing
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
|
|
"github.com/superseriousbusiness/gotosocial/internal/transport"
|
|
)
|
|
|
|
// ErrDB denotes that a proper error has occurred when doing
|
|
// a database call, as opposed to a simple db.ErrNoEntries.
|
|
type ErrDB struct {
|
|
wrapped error
|
|
}
|
|
|
|
func (err *ErrDB) Error() string {
|
|
return fmt.Sprintf("database error during dereferencing: %v", err.wrapped)
|
|
}
|
|
|
|
func newErrDB(err error) error {
|
|
return &ErrDB{wrapped: err}
|
|
}
|
|
|
|
// ErrNotRetrievable denotes that an item could not be dereferenced
|
|
// with the given parameters.
|
|
type ErrNotRetrievable struct {
|
|
wrapped error
|
|
}
|
|
|
|
func (err *ErrNotRetrievable) Error() string {
|
|
return fmt.Sprintf("item could not be retrieved: %v", err.wrapped)
|
|
}
|
|
|
|
func newErrNotRetrievable(err error) error {
|
|
return &ErrNotRetrievable{wrapped: err}
|
|
}
|
|
|
|
// ErrBadRequest denotes that insufficient or improperly formed parameters
|
|
// were passed into one of the dereference functions.
|
|
type ErrBadRequest struct {
|
|
wrapped error
|
|
}
|
|
|
|
func (err *ErrBadRequest) Error() string {
|
|
return fmt.Sprintf("bad request: %v", err.wrapped)
|
|
}
|
|
|
|
func newErrBadRequest(err error) error {
|
|
return &ErrBadRequest{wrapped: err}
|
|
}
|
|
|
|
// ErrTransportError indicates that something unforeseen went wrong creating
|
|
// a transport, or while making an http call to a remote resource with a transport.
|
|
type ErrTransportError struct {
|
|
wrapped error
|
|
}
|
|
|
|
func (err *ErrTransportError) Error() string {
|
|
return fmt.Sprintf("transport error: %v", err.wrapped)
|
|
}
|
|
|
|
func newErrTransportError(err error) error {
|
|
return &ErrTransportError{wrapped: err}
|
|
}
|
|
|
|
// ErrWrongType indicates that an unexpected type was returned from a remote call;
|
|
// for example, we were served a Person when we were looking for a statusable.
|
|
type ErrWrongType struct {
|
|
wrapped error
|
|
}
|
|
|
|
func (err *ErrWrongType) Error() string {
|
|
return fmt.Sprintf("wrong received type: %v", err.wrapped)
|
|
}
|
|
|
|
func newErrWrongType(err error) error {
|
|
return &ErrWrongType{wrapped: err}
|
|
}
|
|
|
|
// ErrOther denotes some other kind of weird error, perhaps from a malformed json
|
|
// or some other weird crapola.
|
|
type ErrOther struct {
|
|
wrapped error
|
|
}
|
|
|
|
func (err *ErrOther) Error() string {
|
|
return fmt.Sprintf("unexpected error: %v", err.wrapped)
|
|
}
|
|
|
|
func newErrOther(err error) error {
|
|
return &ErrOther{wrapped: err}
|
|
}
|
|
|
|
func wrapDerefError(derefErr error, fluff string) error {
|
|
var (
|
|
err error
|
|
errWrongType *ErrWrongType
|
|
)
|
|
|
|
if fluff != "" {
|
|
err = fmt.Errorf("%s: %w", fluff, derefErr)
|
|
}
|
|
|
|
switch {
|
|
case errors.Is(derefErr, transport.ErrGone):
|
|
err = newErrNotRetrievable(err)
|
|
case errors.As(derefErr, &errWrongType):
|
|
err = newErrWrongType(err)
|
|
default:
|
|
err = newErrTransportError(err)
|
|
}
|
|
|
|
return err
|
|
}
|