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forgejo/modules/validation/validatable.go
Michael Jerger 2177d38e9c feat(federation): validate like activities (#3494)
First step on the way to #1680

The PR will

* accept like request on the api
* validate activity in a first level

You can find

* architecture at: https://codeberg.org/meissa/forgejo/src/branch/forgejo-federated-star/docs/unsure-where-to-put/federation-architecture.md

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3494
Reviewed-by: Earl Warren <earl-warren@noreply.codeberg.org>
Co-authored-by: Michael Jerger <michael.jerger@meissa-gmbh.de>
Co-committed-by: Michael Jerger <michael.jerger@meissa-gmbh.de>
2024-05-07 07:59:49 +00:00

67 lines
1.4 KiB
Go

// Copyright 2024 The Forgejo Authors. All rights reserved.
// Copyright 2023 The Forgejo Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package validation
import (
"fmt"
"strings"
"unicode/utf8"
"code.gitea.io/gitea/modules/timeutil"
)
type Validateable interface {
Validate() []string
}
func IsValid(v Validateable) (bool, error) {
if err := v.Validate(); len(err) > 0 {
errString := strings.Join(err, "\n")
return false, fmt.Errorf(errString)
}
return true, nil
}
func ValidateNotEmpty(value any, name string) []string {
isValid := true
switch v := value.(type) {
case string:
if v == "" {
isValid = false
}
case timeutil.TimeStamp:
if v.IsZero() {
isValid = false
}
case int64:
if v == 0 {
isValid = false
}
default:
isValid = false
}
if isValid {
return []string{}
}
return []string{fmt.Sprintf("%v should not be empty", name)}
}
func ValidateMaxLen(value string, maxLen int, name string) []string {
if utf8.RuneCountInString(value) > maxLen {
return []string{fmt.Sprintf("Value %v was longer than %v", name, maxLen)}
}
return []string{}
}
func ValidateOneOf(value any, allowed []any, name string) []string {
for _, allowedElem := range allowed {
if value == allowedElem {
return []string{}
}
}
return []string{fmt.Sprintf("Value %v is not contained in allowed values %v", value, allowed)}
}