115 lines
2.7 KiB
Go
115 lines
2.7 KiB
Go
// Copyright (c) 2025-2026 Probo Inc <hello@probo.com>.
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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// PERFORMANCE OF THIS SOFTWARE.
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package validator
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import (
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"fmt"
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"strings"
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)
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type ErrorCode string
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const (
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ErrorCodeRequired ErrorCode = "REQUIRED"
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ErrorCodeInvalidFormat ErrorCode = "INVALID_FORMAT"
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ErrorCodeOutOfRange ErrorCode = "OUT_OF_RANGE"
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ErrorCodeTooShort ErrorCode = "TOO_SHORT"
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ErrorCodeTooLong ErrorCode = "TOO_LONG"
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ErrorCodeInvalidEmail ErrorCode = "INVALID_EMAIL"
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ErrorCodeInvalidURL ErrorCode = "INVALID_URL"
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ErrorCodeInvalidEnum ErrorCode = "INVALID_ENUM"
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ErrorCodeInvalidGID ErrorCode = "INVALID_GID"
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ErrorCodeUnsafeContent ErrorCode = "UNSAFE_CONTENT"
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ErrorCodeCustom ErrorCode = "CUSTOM"
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)
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type ValidationError struct {
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Field string
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Code ErrorCode
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Message string
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Value any
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}
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func (e *ValidationError) Error() string {
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return fmt.Sprintf("%s %s", e.Field, e.Message)
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}
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type ValidationErrors []*ValidationError
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func (ve ValidationErrors) Error() string {
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if len(ve) == 0 {
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return ""
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}
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var messages []string
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for _, err := range ve {
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messages = append(messages, err.Error())
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}
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return strings.Join(messages, "; ")
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}
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func (ve ValidationErrors) HasErrors() bool {
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return len(ve) > 0
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}
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func (ve ValidationErrors) Fields() []string {
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fields := make([]string, 0, len(ve))
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for _, err := range ve {
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fields = append(fields, err.Field)
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}
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return fields
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}
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func (ve ValidationErrors) ByField(field string) ValidationErrors {
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var errors ValidationErrors
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for _, err := range ve {
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if err.Field == field {
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errors = append(errors, err)
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}
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}
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return errors
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}
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func (ve ValidationErrors) ByCode(code ErrorCode) ValidationErrors {
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var errors ValidationErrors
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for _, err := range ve {
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if err.Code == code {
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errors = append(errors, err)
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}
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}
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return errors
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}
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func (ve ValidationErrors) First() *ValidationError {
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if len(ve) == 0 {
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return nil
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}
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return ve[0]
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}
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func newValidationError(code ErrorCode, message string) *ValidationError {
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return &ValidationError{
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Code: code,
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Message: message,
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}
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}
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