feat: support auto check upgrade (#53)

pkg/server/config.go

@@ -26,6 +26,7 @@ type Config struct {
 	AdminPathPrefix    string `yaml:"admin_path_prefix"`
 	Database           string
 	LogLevel           string        `yaml:"log_level"`
+	CheckUpgrade       bool          `yaml:"check_upgrade"`
 	IpLocationDatabase ipinfo.Config `yaml:"ip_location_database"`
 	Notice             noticeConfig
 	HTTP               rhttp.Config

pkg/server/controller.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"github.com/li4n0/revsuit/internal/recycler"
+	"github.com/li4n0/revsuit/internal/update"
 	log "unknwon.dev/clog/v2"
 )
 
@@ -88,3 +89,42 @@ func version(c *gin.Context) {
 		"result": VERSION,
 	})
 }
+
+func (revsuit *Revsuit) getUpgrade(c *gin.Context) {
+	if !revsuit.config.CheckUpgrade {
+		c.JSON(200, gin.H{
+			"status": "succeed",
+			"error":  nil,
+			"result": gin.H{
+				"upgradeable": false,
+				"message":     "config of check upgrade is false",
+			},
+		})
+		return
+	}
+	if upgradeable, release, err := update.CheckUpgrade(VERSION); err == nil && upgradeable {
+		c.JSON(200, gin.H{
+			"status": "succeed",
+			"error":  nil,
+			"result": gin.H{
+				"upgradeable": true,
+				"version":     release.Version,
+				"release":     release.URL,
+			},
+		})
+	} else {
+		message := VERSION + " is the latest"
+		if err != nil {
+			message = err.Error()
+		}
+
+		c.JSON(200, gin.H{
+			"status": "succeed",
+			"error":  nil,
+			"result": gin.H{
+				"upgradeable": false,
+				"message":     message,
+			},
+		})
+	}
+}

pkg/server/router.go

@@ -48,6 +48,7 @@ func (revsuit *Revsuit) registerPlatformRouter() {
 	api.GET("/events", revsuit.events)
 	api.GET("/ping", ping)
 	api.GET("/version", version)
+	api.GET("/getUpgrade", revsuit.getUpgrade)
 }
 
 func (revsuit *Revsuit) registerHttpRouter() {