homebox/backend/internal/sys/validate/validate.go

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// Package validate provides a wrapper around the go-playground/validator package
package validate
import (
"strings"
"github.com/go-playground/validator/v10"
)
var validate *validator.Validate
func init() { // nolint
validate = validator.New()
err := validate.RegisterValidation("shoutrrr", func(fl validator.FieldLevel) bool {
prefixes := [...]string{
"bark://",
"discord://",
"smtp://",
"gotify://",
"googlechat://",
"ifttt://",
"join://",
"mattermost://",
"matrix://",
"ntfy://",
"opsgenie://",
"pushbullet://",
"pushover://",
"rocketchat://",
"slack://",
"teams://",
"telegram://",
"zulip://",
"generic://",
"generic+",
}
str := fl.Field().String()
if str == "" {
return false
}
for _, prefix := range prefixes {
if strings.HasPrefix(str, prefix) {
return true
}
}
return false
})
if err != nil {
panic(err)
}
}
// Check a struct for validation errors and returns any errors the occur. This
// wraps the validate.Struct() function and provides some error wrapping. When
// a validator.ValidationErrors is returned, it is wrapped transformed into a
// FieldErrors array and returned.
func Check(val any) error {
err := validate.Struct(val)
if err != nil {
verrors, ok := err.(validator.ValidationErrors) // nolint - we know it's a validator.ValidationErrors
if !ok {
return err
}
fields := make(FieldErrors, 0, len(verrors))
for _, verr := range verrors {
field := FieldError{
Field: verr.Field(),
Error: verr.Error(),
}
fields = append(fields, field)
}
return fields
}
return nil
}