restructure a bunch, get unfaves working

internal/processing/error.go

@@ -1,124 +0,0 @@
-/*
-   GoToSocial
-   Copyright (C) 2021 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 processing
-
-import (
-	"errors"
-	"net/http"
-	"strings"
-)
-
-// ErrorWithCode wraps an internal error with an http code, and a 'safe' version of
-// the error that can be served to clients without revealing internal business logic.
-//
-// A typical use of this error would be to first log the Original error, then return
-// the Safe error and the StatusCode to an API caller.
-type ErrorWithCode interface {
-	// Error returns the original internal error for debugging within the GoToSocial logs.
-	// This should *NEVER* be returned to a client as it may contain sensitive information.
-	Error() string
-	// Safe returns the API-safe version of the error for serialization towards a client.
-	// There's not much point logging this internally because it won't contain much helpful information.
-	Safe() string
-	//  Code returns the status code for serving to a client.
-	Code() int
-}
-
-type errorWithCode struct {
-	original error
-	safe     error
-	code     int
-}
-
-func (e errorWithCode) Error() string {
-	return e.original.Error()
-}
-
-func (e errorWithCode) Safe() string {
-	return e.safe.Error()
-}
-
-func (e errorWithCode) Code() int {
-	return e.code
-}
-
-// NewErrorBadRequest returns an ErrorWithCode 400 with the given original error and optional help text.
-func NewErrorBadRequest(original error, helpText ...string) ErrorWithCode {
-	safe := "bad request"
-	if helpText != nil {
-		safe = safe + ": " + strings.Join(helpText, ": ")
-	}
-	return errorWithCode{
-		original: original,
-		safe:     errors.New(safe),
-		code:     http.StatusBadRequest,
-	}
-}
-
-// NewErrorNotAuthorized returns an ErrorWithCode 401 with the given original error and optional help text.
-func NewErrorNotAuthorized(original error, helpText ...string) ErrorWithCode {
-	safe := "not authorized"
-	if helpText != nil {
-		safe = safe + ": " + strings.Join(helpText, ": ")
-	}
-	return errorWithCode{
-		original: original,
-		safe:     errors.New(safe),
-		code:     http.StatusUnauthorized,
-	}
-}
-
-// NewErrorForbidden returns an ErrorWithCode 403 with the given original error and optional help text.
-func NewErrorForbidden(original error, helpText ...string) ErrorWithCode {
-	safe := "forbidden"
-	if helpText != nil {
-		safe = safe + ": " + strings.Join(helpText, ": ")
-	}
-	return errorWithCode{
-		original: original,
-		safe:     errors.New(safe),
-		code:     http.StatusForbidden,
-	}
-}
-
-// NewErrorNotFound returns an ErrorWithCode 404 with the given original error and optional help text.
-func NewErrorNotFound(original error, helpText ...string) ErrorWithCode {
-	safe := "404 not found"
-	if helpText != nil {
-		safe = safe + ": " + strings.Join(helpText, ": ")
-	}
-	return errorWithCode{
-		original: original,
-		safe:     errors.New(safe),
-		code:     http.StatusNotFound,
-	}
-}
-
-// NewErrorInternalError returns an ErrorWithCode 500 with the given original error and optional help text.
-func NewErrorInternalError(original error, helpText ...string) ErrorWithCode {
-	safe := "internal server error"
-	if helpText != nil {
-		safe = safe + ": " + strings.Join(helpText, ": ")
-	}
-	return errorWithCode{
-		original: original,
-		safe:     errors.New(safe),
-		code:     http.StatusInternalServerError,
-	}
-}