herodote

var (
	// ErrAuthentificationFailed occurs when secret is invalid
	ErrAuthentificationFailed = errors.New("invalid secret provided")
)

var (

	// FuncMap for template rendering
	FuncMap = template.FuncMap{
		"colors": func(commit model.Commit) string {
			if color, ok := colors.Load(commit.Repository); ok {
				return color.(string)
			}

			colorsCount++
			nextColor := repositoriesColors[colorsCount%len(repositoriesColors)]
			colors.Store(commit.Repository, nextColor)

			return nextColor
		},
		"contains":           contains,
		"dateDistanceInDays": diffInDays,
		"toggleParam": func(path string, params url.Values, name, value string) string {
			safeValues := url.Values{}
			done := false

			for key := range params {
				currentValue := strings.TrimSpace(params.Get(key))

				if len(currentValue) == 0 {
					continue
				}

				if key == name {
					done = true
				} else {
					safeValues.Set(key, currentValue)
				}
			}

			if !done {
				safeValues.Set(name, value)
			}

			if len(safeValues) == 0 {
				return path
			}

			return fmt.Sprintf("%s?%s", path, safeValues.Encode())
		},
	}
)