ssr runner and more admin panel stuff

server_ssr.go

@@ -0,0 +1,81 @@
+//go:build ssr
+// +build ssr
+
+package main
+
+import (
+	"embed"
+	"filething/ui"
+	"io"
+	"net/url"
+	"os"
+	"path/filepath"
+
+	"github.com/labstack/echo/v4"
+	echoMiddleware "github.com/labstack/echo/v4/middleware"
+)
+
+func init() {
+	initUi = func(e *echo.Echo) {
+		tmpDir, err := os.MkdirTemp("", "filething-ssr")
+		if err != nil {
+			panic(err)
+		}
+
+		err = copyEmbeddedFiles(ui.DistDir, ".output", tmpDir)
+		if err != nil {
+			panic(err)
+		}
+
+		path := filepath.Join(tmpDir, "server/index.mjs")
+		spawnProcess("node", []string{path}, e)
+
+		target := "localhost:3000"
+		e.Group("/*").Use(echoMiddleware.ProxyWithConfig(echoMiddleware.ProxyConfig{
+			Balancer: echoMiddleware.NewRoundRobinBalancer([]*echoMiddleware.ProxyTarget{
+				{URL: &url.URL{
+					Scheme: "http",
+					Host:   target,
+				}},
+			}),
+		}))
+	}
+}
+
+func copyEmbeddedFiles(fs embed.FS, sourcePath string, targetDir string) error {
+	entries, err := fs.ReadDir(sourcePath)
+	if err != nil {
+		return err
+	}
+
+	for _, entry := range entries {
+		sourceFile := filepath.Join(sourcePath, entry.Name())
+		destFile := filepath.Join(targetDir, entry.Name())
+
+		if entry.IsDir() {
+			os.Mkdir(destFile, 0755)
+			err := copyEmbeddedFiles(fs, sourceFile, destFile)
+			if err != nil {
+				return err
+			}
+		} else {
+			source, err := fs.Open(sourceFile)
+			if err != nil {
+				return err
+			}
+			defer source.Close()
+
+			dest, err := os.Create(destFile)
+			if err != nil {
+				return err
+			}
+			defer dest.Close()
+
+			_, err = io.Copy(dest, source)
+			if err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}