feat(admin): implement full admin dashboard structure

lib/server/server.go

@@ -1,6 +1,7 @@
 package server
 
 import (
+	"html/template"
 	"time"
 
 	"github.com/gin-contrib/gzip"
@@ -29,7 +30,11 @@ func Run(addr string) error {
 	app := &App{config: cfg}
 
 	router := gin.Default()
-	router.LoadHTMLGlob("templates/*.html")
+	htmlTemplates, err := loadHTMLTemplates()
+	if err != nil {
+		return err
+	}
+	router.SetHTMLTemplate(htmlTemplates)
 
 	routing.Register(router, routing.Handlers{
 		Index:              app.handleIndex,
@@ -45,6 +50,12 @@ func Run(addr string) error {
 		FileStatusUpdate:   app.handleFileStatusUpdate,
 		DirectBoxUpload:    app.handleDirectBoxUpload,
 		LegacyUpload:       app.handleLegacyUpload,
+
+		AdminLogin:     app.handleAdminLogin,
+		AdminLoginPost: app.handleAdminLoginPost,
+		AdminLogout:    app.handleAdminLogout,
+		AdminDashboard: app.handleAdminDashboard,
+		AdminAuth:      app.adminAuthMiddleware,
 	})
 
 	compressed := router.Group("/", gzip.Gzip(gzip.DefaultCompression))
@@ -55,6 +66,22 @@ func Run(addr string) error {
 	return router.Run(addr)
 }
 
+func loadHTMLTemplates() (*template.Template, error) {
+	tmpl := template.New("")
+	for _, pattern := range []string{
+		"templates/*.html",
+		"templates/admin/*.html",
+		"templates/admin/partials/*.html",
+	} {
+		var err error
+		tmpl, err = tmpl.ParseGlob(pattern)
+		if err != nil {
+			return nil, err
+		}
+	}
+	return tmpl, nil
+}
+
 func applyBoxstoreRuntimeConfig(cfg *config.Config) {
 	boxstore.SetUploadRoot(cfg.UploadsDir)
 	boxstore.SetOneTimeDownloadExpiry(cfg.OneTimeDownloadExpirySeconds)