1 files changed, 156 insertions, 0 deletions
diff --git a/vendor/github.com/mattermost/mattermost-server/model/version.go b/vendor/github.com/mattermost/mattermost-server/model/version.go
new file mode 100644
index 00000000..1b09b0ad
--- /dev/null
+++ b/vendor/github.com/mattermost/mattermost-server/model/version.go
@@ -0,0 +1,156 @@
+// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+package model
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+)
+
+// This is a list of all the current versions including any patches.
+// It should be maintained in chronological order with most current
+// release at the front of the list.
+var versions = []string{
+	"5.5.0",
+	"5.4.0",
+	"5.3.0",
+	"5.2.0",
+	"5.1.0",
+	"5.0.0",
+	"4.10.0",
+	"4.9.0",
+	"4.8.1",
+	"4.8.0",
+	"4.7.2",
+	"4.7.1",
+	"4.7.0",
+	"4.6.0",
+	"4.5.0",
+	"4.4.0",
+	"4.3.0",
+	"4.2.0",
+	"4.1.0",
+	"4.0.0",
+	"3.10.0",
+	"3.9.0",
+	"3.8.0",
+	"3.7.0",
+	"3.6.0",
+	"3.5.0",
+	"3.4.0",
+	"3.3.0",
+	"3.2.0",
+	"3.1.0",
+	"3.0.0",
+	"2.2.0",
+	"2.1.0",
+	"2.0.0",
+	"1.4.0",
+	"1.3.0",
+	"1.2.1",
+	"1.2.0",
+	"1.1.0",
+	"1.0.0",
+	"0.7.1",
+	"0.7.0",
+	"0.6.0",
+	"0.5.0",
+}
+
+var CurrentVersion string = versions[0]
+var BuildNumber string
+var BuildDate string
+var BuildHash string
+var BuildHashEnterprise string
+var BuildEnterpriseReady string
+var versionsWithoutHotFixes []string
+
+func init() {
+	versionsWithoutHotFixes = make([]string, 0, len(versions))
+	seen := make(map[string]string)
+
+	for _, version := range versions {
+		maj, min, _ := SplitVersion(version)
+		verStr := fmt.Sprintf("%v.%v.0", maj, min)
+
+		if seen[verStr] == "" {
+			versionsWithoutHotFixes = append(versionsWithoutHotFixes, verStr)
+			seen[verStr] = verStr
+		}
+	}
+}
+
+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) string {
+	verMajor, verMinor, _ := SplitVersion(version)
+	verStr := fmt.Sprintf("%v.%v.0", verMajor, verMinor)
+
+	for index, v := range versionsWithoutHotFixes {
+		if v == verStr && len(versionsWithoutHotFixes) > index+1 {
+			return versionsWithoutHotFixes[index+1]
+		}
+	}
+
+	return ""
+}
+
+func IsCurrentVersion(versionToCheck string) bool {
+	currentMajor, currentMinor, _ := SplitVersion(CurrentVersion)
+	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
+
+	if toCheckMajor == currentMajor && toCheckMinor == currentMinor {
+		return true
+	} else {
+		return false
+	}
+}
+
+func IsPreviousVersionsSupported(versionToCheck string) bool {
+	toCheckMajor, toCheckMinor, _ := SplitVersion(versionToCheck)
+	versionToCheckStr := fmt.Sprintf("%v.%v.0", toCheckMajor, toCheckMinor)
+
+	// Current Supported
+	if versionsWithoutHotFixes[0] == versionToCheckStr {
+		return true
+	}
+
+	// Current - 1 Supported
+	if versionsWithoutHotFixes[1] == versionToCheckStr {
+		return true
+	}
+
+	// Current - 2 Supported
+	if versionsWithoutHotFixes[2] == versionToCheckStr {
+		return true
+	}
+
+	// Current - 3 Supported
+	if versionsWithoutHotFixes[3] == versionToCheckStr {
+		return true
+	}
+
+	return false
+}