52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
package validator
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import (
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"errors"
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"fmt"
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"mangezmieux-backend/internal/logger"
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"mangezmieux-backend/internal/responses"
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"regexp"
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"strings"
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validatorLib "github.com/go-playground/validator/v10"
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)
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var regexpValidatorNamespacePrefix = regexp.MustCompile(`^\w+\.`)
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func NewDataValidationAPIError(err error) responses.APIError {
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apiErr := responses.ErrDataValidation
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if err != nil {
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var invalidValidationErrror *validatorLib.InvalidValidationError
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if errors.As(err, &invalidValidationErrror) {
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logger.GetLogger().WithError(invalidValidationErrror).WithField("templateAPIErr", apiErr).Error("InvalidValidationError")
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} else {
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var validationErrors validatorLib.ValidationErrors
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if errors.As(err, &validationErrors) {
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for _, e := range validationErrors {
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reason := e.Tag()
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if _, ok := CustomValidators[e.Tag()]; ok {
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reason = truncatingSprintf(CustomValidators[e.Tag()].Message, e.Param())
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}
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namespaceWithoutStructName := regexpValidatorNamespacePrefix.ReplaceAllString(e.Namespace(), "")
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fe := responses.FieldError{
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Field: namespaceWithoutStructName,
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Constraint: e.Tag(),
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Description: reason,
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}
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apiErr.Details = append(apiErr.Details, fe)
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}
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} else {
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apiErr.Description = err.Error()
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}
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}
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}
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return apiErr
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}
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// truncatingSprintf is used as fmt.Sprintf but allow to truncate the additional parameters given when there is more parameters than %v in str.
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func truncatingSprintf(str string, args ...interface{}) string {
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n := strings.Count(str, "%v")
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return fmt.Sprintf(str, args[:n]...)
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}
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