// toString - Formats interface to string and cuts to `MaxVariableLength`.
func toString(v interface{}) (res string) {
value := action.Format{v}
if m, ok := value.Map(); ok {
body, _ := m.JSON()
res = string(body)
} else if b, ok := value.Bytes(); ok {
res = string(b)
} else {
res = fmt.Sprintf("%v", value.Interface())
}
// Cut value at 100 characters
if len(res) >= MaxVariableLength {
res = res[:MaxVariableLength] + "..."
}
// Break by new line and trim every line
var lines []string
for _, line := range strings.Split(res, "\n") {
lines = append(lines, strings.TrimSpace(line))
}
// Join to one line
res = strings.Join(lines, "")
return
}
