Serve admin console at root path

pets-be/internal/admin/dist/index.html

@@ -1,12 +1,12 @@
 <!doctype html>
-<html lang="en">
+<html lang="zh-CN">
   <head>
     <meta charset="UTF-8" />
-    <link rel="icon" type="image/svg+xml" href="/admin/favicon.svg" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>admin</title>
-    <script type="module" crossorigin src="/admin/assets/index-DmUsbLpt.js"></script>
-    <link rel="stylesheet" crossorigin href="/admin/assets/index-BQA5NViF.css">
+    <title>肉垫计划 · 管理端</title>
+    <script type="module" crossorigin src="/assets/index-COwxdvZQ.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-BQA5NViF.css">
   </head>
   <body>
     <div id="root"></div>

pets-be/internal/admin/embed.go

@@ -12,7 +12,7 @@ import (
 //go:embed all:dist
 var distFS embed.FS
 
-// Register 把内嵌的后台 SPA 挂到 /admin 下，index.html 做 SPA fallback
+// Register 把内嵌的后台 SPA 挂到根路径，保留 /api 给业务接口。
 func Register(r *gin.Engine) {
 	sub, err := fs.Sub(distFS, "dist")
 	if err != nil {
@@ -21,9 +21,7 @@ func Register(r *gin.Engine) {
 	fileServer := http.FileServer(http.FS(sub))
 
 	handler := func(c *gin.Context) {
-		// 去掉前缀 /admin，交给内嵌文件服务器
-		reqPath := strings.TrimPrefix(c.Request.URL.Path, "/admin")
-		reqPath = strings.TrimPrefix(reqPath, "/")
+		reqPath := strings.TrimPrefix(c.Request.URL.Path, "/")
 
 		// 若请求的是真实存在的静态资源，直出；否则回退 index.html（前端路由）
 		if reqPath != "" {
@@ -43,6 +41,12 @@ func Register(r *gin.Engine) {
 		c.Data(http.StatusOK, "text/html; charset=utf-8", data)
 	}
 
-	r.GET("/admin", func(c *gin.Context) { c.Redirect(http.StatusFound, "/admin/") })
-	r.GET("/admin/*filepath", handler)
+	r.GET("/", handler)
+	r.NoRoute(func(c *gin.Context) {
+		if c.Request.Method != http.MethodGet || strings.HasPrefix(c.Request.URL.Path, "/api/") || c.Request.URL.Path == "/api" || strings.HasPrefix(c.Request.URL.Path, "/assets/") {
+			c.Status(http.StatusNotFound)
+			return
+		}
+		handler(c)
+	})
 }

pets-be/internal/admin/embed_test.go

@@ -0,0 +1,36 @@
+package admin
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/gin-gonic/gin"
+	"github.com/sundynix/pets-be/internal/config"
+	"github.com/sundynix/pets-be/internal/httpapi"
+)
+
+func TestAdminAtRootAndAPIRoutes(t *testing.T) {
+	gin.SetMode(gin.TestMode)
+	r := gin.New()
+	httpapi.New(nil, nil, &config.Config{}).Register(r)
+	Register(r)
+
+	for _, tc := range []struct {
+		path   string
+		status int
+		body   string
+	}{
+		{path: "/", status: http.StatusOK, body: "<div id=\"root\"></div>"},
+		{path: "/api/ping", status: http.StatusOK, body: "pong"},
+		{path: "/api/missing", status: http.StatusNotFound},
+		{path: "/assets/missing.js", status: http.StatusNotFound},
+	} {
+		recorder := httptest.NewRecorder()
+		r.ServeHTTP(recorder, httptest.NewRequest(http.MethodGet, tc.path, nil))
+		if recorder.Code != tc.status || (tc.body != "" && !strings.Contains(recorder.Body.String(), tc.body)) {
+			t.Errorf("GET %s: got %d %q, want %d containing %q", tc.path, recorder.Code, recorder.Body.String(), tc.status, tc.body)
+		}
+	}
+}