PLT-92 Adding server side versioning to the binary

model/utils.go

@@ -16,11 +16,6 @@ import (
 	"time"
 )
 
-const (
-	// Also change web/react/stores/browser_store.jsx BROWSER_STORE_VERSION
-	ETAG_ROOT_VERSION = "12"
-)
-
 type StringMap map[string]string
 type StringArray []string
 type EncryptStringMap map[string]string
@@ -235,7 +230,7 @@ func IsValidAlphaNum(s string, allowUnderscores bool) bool {
 
 func Etag(parts ...interface{}) string {
 
-	etag := ETAG_ROOT_VERSION
+	etag := GetFullVersion()
 
 	for _, part := range parts {
 		etag += fmt.Sprintf(".%v", part)

model/version.go

@@ -0,0 +1,78 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+const (
+	VERSION_MAJOR = 0
+	VERSION_MINOR = 7
+	VERSION_PATCH = 0
+	BUILD_NUMBER  = "_BUILD_NUMBER_"
+	BUILD_DATE    = "_BUILD_DATE_"
+)
+
+func GetFullVersion() string {
+	return fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH)
+}
+
+func SplitVersion(version string) (int64, int64, int64) {
+	parts := strings.Split(version, ".")
+
+	major := int64(0)
+	minor := int64(0)
+	patch := int64(0)
+
+	if len(parts) > 0 {
+		major, _ = strconv.ParseInt(parts[0], 10, 64)
+	}
+
+	if len(parts) > 1 {
+		minor, _ = strconv.ParseInt(parts[1], 10, 64)
+	}
+
+	if len(parts) > 2 {
+		patch, _ = strconv.ParseInt(parts[2], 10, 64)
+	}
+
+	return major, minor, patch
+}
+
+func GetPreviousVersion(version string) (int64, int64) {
+	major, minor, _ := SplitVersion(version)
+
+	if minor == 0 {
+		major = major - 1
+		minor = 9
+	} else {
+		minor = minor - 1
+	}
+
+	return major, minor
+}
+
+func IsCurrentVersion(versionToCheck string) bool {
+	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
+
+	if toCheckMajor == VERSION_MAJOR && toCheckMinor == VERSION_MINOR {
+		return true
+	} else {
+		return false
+	}
+}
+
+func IsLastVersion(versionToCheck string) bool {
+	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
+	prevMajor, prevMinor := GetPreviousVersion(GetFullVersion())
+
+	if toCheckMajor == prevMajor && toCheckMinor == prevMinor {
+		return true
+	} else {
+		return false
+	}
+}

model/version_test.go

@@ -0,0 +1,72 @@
+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestVersion(t *testing.T) {
+	GetFullVersion()
+
+	major1, minor1, patch1 := SplitVersion("junk")
+	if major1 != 0 || minor1 != 0 || patch1 != 0 {
+		t.Fatal()
+	}
+
+	major2, minor2, patch2 := SplitVersion("1.2.3")
+	if major2 != 1 || minor2 != 2 || patch2 != 3 {
+		t.Fatal()
+	}
+
+	major3, minor3, patch3 := SplitVersion("1.2")
+	if major3 != 1 || minor3 != 2 || patch3 != 0 {
+		t.Fatal()
+	}
+
+	major4, minor4, patch4 := SplitVersion("1")
+	if major4 != 1 || minor4 != 0 || patch4 != 0 {
+		t.Fatal()
+	}
+
+	major5, minor5, patch5 := SplitVersion("1.2.3.junkgoeswhere")
+	if major5 != 1 || minor5 != 2 || patch5 != 3 {
+		t.Fatal()
+	}
+
+	if IsLastVersion(GetFullVersion()) {
+		t.Fatal()
+	}
+
+	if !IsLastVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR-1, VERSION_PATCH)) {
+		t.Fatal()
+	}
+
+	// pacth should not affect current version check
+	if !IsLastVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR-1, VERSION_PATCH+1)) {
+		t.Fatal()
+	}
+
+	if IsLastVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR+1, VERSION_PATCH)) {
+		t.Fatal()
+	}
+
+	if !IsCurrentVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH)) {
+		t.Fatal()
+	}
+
+	// pacth should not affect current version check
+	if !IsCurrentVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR, VERSION_PATCH+1)) {
+		t.Fatal()
+	}
+
+	if IsCurrentVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR, VERSION_MINOR+1, VERSION_PATCH)) {
+		t.Fatal()
+	}
+
+	if IsCurrentVersion(fmt.Sprintf("%v.%v.%v", VERSION_MAJOR+1, VERSION_MINOR, VERSION_PATCH)) {
+		t.Fatal()
+	}
+}