[feature] dashboard (#2361)

cmd/dashboard/web/route.go

@@ -0,0 +1,52 @@
+package web
+
+import (
+	"path/filepath"
+
+	"github.com/gin-gonic/gin"
+)
+
+func RegisterRoute(router *gin.Engine) error {
+	files, err := WalkDirs("", false)
+	if err != nil {
+		return err
+	}
+	for _, f := range files {
+		router.GET(f, func(name string) gin.HandlerFunc {
+			return func(c *gin.Context) {
+				data, err := ReadFile(name)
+				if err != nil {
+					c.AbortWithError(500, err)
+					return
+				}
+				switch filepath.Ext(name) {
+				case ".html":
+					c.Header("Content-Type", "text/html; charset=utf-8")
+				case ".css":
+					c.Header("Content-Type", "text/css; charset=utf-8")
+				case ".js":
+					c.Header("Content-Type", "application/javascript")
+				case ".svg":
+					c.Header("Content-Type", "image/svg+xml")
+				}
+				if _, err := c.Writer.Write(data); err != nil {
+					c.AbortWithError(500, err)
+					return
+				}
+			}
+		}(f))
+	}
+	router.GET("/", func(c *gin.Context) {
+		data, err := ReadFile("index.html")
+		if err != nil {
+			c.AbortWithError(500, err)
+			return
+		}
+		c.Header("Content-Type", "text/html; charset=utf-8")
+		if _, err := c.Writer.Write(data); err != nil {
+			c.AbortWithError(500, err)
+			return
+		}
+	})
+	return nil
+}