muonsoft / validation

package validation

import "strings"

// TemplateParameter is injected into the message while rendering the template.

type TemplateParameter struct {

	// Key is the marker in the string that will be replaced by value.

	// In general, it is recommended to use double curly braces around the key name.

	// Example: {{ keyName }}

	Key string

	// Value is set by constraint when building violation.

	Value string

}

// TemplateParameterList is a list of template parameters that can be injection into violation message.

type TemplateParameterList []TemplateParameter

// Prepend returns TemplateParameterList prepended by given parameters.

func (params TemplateParameterList) Prepend(parameters ...TemplateParameter) TemplateParameterList {

	return append(parameters, params...)

}

func renderMessage(template string, parameters []TemplateParameter) string {

	message := template

	for _, p := range parameters {

		message = strings.ReplaceAll(message, p.Key, p.Value)

	}

	return message

}