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forgejo/modules/label/label.go
Lauris BH 58b4143803
Add loading yaml label template files (#22976)
Extract from #11669 and enhancement to #22585 to support exclusive
scoped labels in label templates

* Move label template functionality to label module
* Fix handling of color codes
* Add Advanced label template
2023-03-02 01:44:23 +02:00

46 lines
1.1 KiB
Go

// Copyright 2023 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package label
import (
"fmt"
"regexp"
"strings"
)
// colorPattern is a regexp which can validate label color
var colorPattern = regexp.MustCompile("^#?(?:[0-9a-fA-F]{6}|[0-9a-fA-F]{3})$")
// Label represents label information loaded from template
type Label struct {
Name string `yaml:"name"`
Color string `yaml:"color"`
Description string `yaml:"description,omitempty"`
Exclusive bool `yaml:"exclusive,omitempty"`
}
// NormalizeColor normalizes a color string to a 6-character hex code
func NormalizeColor(color string) (string, error) {
// normalize case
color = strings.TrimSpace(strings.ToLower(color))
// add leading hash
if len(color) == 6 || len(color) == 3 {
color = "#" + color
}
if !colorPattern.MatchString(color) {
return "", fmt.Errorf("bad color code: %s", color)
}
// convert 3-character shorthand into 6-character version
if len(color) == 4 {
r := color[1]
g := color[2]
b := color[3]
color = fmt.Sprintf("#%c%c%c%c%c%c", r, r, g, g, b, b)
}
return color, nil
}