func HandleAPIVersion(h string) (string, error) {
if len(h) <= 0 || h == "*/*" {
return API_MAX_VERSION, nil
}
foundRequestVersion := false
for _, val := range strings.Split(h, ",") {
versionIndex := strings.Index(val, VersionTag)
if versionIndex < 0 {
continue
}
foundRequestVersion = true
requestVersion := val[versionIndex+len(VersionTag):]
if cbgt.VersionGTE(API_MAX_VERSION, requestVersion) &&
cbgt.VersionGTE(requestVersion, API_MIN_VERSION) {
return requestVersion, nil
}
}
if !foundRequestVersion {
return API_MAX_VERSION, nil
}
return "", fmt.Errorf("version: unsupported version")
}
func HandleVersion(h string) (string, error) {
if h == "*/*" {
return API_MAX_VERSION, nil
}
found := false
for _, val := range strings.Split(h, ",") {
versionIndex := strings.Index(val, VersionTag)
if versionIndex == -1 {
continue
}
found = true
requestVersion := val[versionIndex+len(VersionTag):]
if cbgt.VersionGTE(API_MAX_VERSION, requestVersion) &&
cbgt.VersionGTE(requestVersion, API_MIN_VERSION) {
return requestVersion, nil
}
}
// no version string found
if !found {
return API_MAX_VERSION, nil
}
// unsupported version
return "", fmt.Errorf("Version number is not supported")
}