chore: tweak version utils

server/common/version.go

@@ -0,0 +1,61 @@
+package common
+
+import (
+	"fmt"
+	"strings"
+
+	"golang.org/x/mod/semver"
+)
+
+// Version is the service current released version.
+// Semantic versioning: https://semver.org/
+var Version = "1.0.0"
+
+// DevVersion is the service current development version.
+var DevVersion = "1.0.0"
+
+func GetCurrentVersion(mode string) string {
+	if mode == "dev" || mode == "demo" {
+		return DevVersion
+	}
+	return Version
+}
+
+func GetMinorVersion(version string) string {
+	versionList := strings.Split(version, ".")
+	if len(versionList) < 3 {
+		return ""
+	}
+	return versionList[0] + "." + versionList[1]
+}
+
+func GetSchemaVersion(version string) string {
+	minorVersion := GetMinorVersion(version)
+	return minorVersion + ".0"
+}
+
+// IsVersionGreaterThanOrEqualTo returns true if version is greater than or equal to target.
+func IsVersionGreaterOrEqualThan(version, target string) bool {
+	return semver.Compare(fmt.Sprintf("v%s", version), fmt.Sprintf("v%s", target)) > -1
+}
+
+// IsVersionGreaterThan returns true if version is greater than target.
+func IsVersionGreaterThan(version, target string) bool {
+	return semver.Compare(fmt.Sprintf("v%s", version), fmt.Sprintf("v%s", target)) > 0
+}
+
+type SortVersion []string
+
+func (s SortVersion) Len() int {
+	return len(s)
+}
+
+func (s SortVersion) Swap(i, j int) {
+	s[i], s[j] = s[j], s[i]
+}
+
+func (s SortVersion) Less(i, j int) bool {
+	v1 := fmt.Sprintf("v%s", s[i])
+	v2 := fmt.Sprintf("v%s", s[j])
+	return semver.Compare(v1, v2) == -1
+}