HTMX lazy load for user statistics card

pkg/controller/account/profile.go

@@ -79,14 +79,9 @@ func Profile() http.HandlerFunc {
 
 		var isSelf = currentUser.ID == user.ID
 
-		// Banned or disabled? Only admin can view then.
+		// Give a Not Found page if we can not see this user.
-		if user.Status != models.UserStatusActive && !currentUser.IsAdmin {
+		if err := user.CanBeSeenBy(currentUser); err != nil {
-			templates.NotFoundPage(w, r)
+			log.Error("%s can not be seen by viewer %s: %s", user.Username, currentUser.Username, err)
-			return
-		}
-
-		// Is either one blocking?
-		if models.IsBlocking(currentUser.ID, user.ID) && !currentUser.IsAdmin {
 			templates.NotFoundPage(w, r)
 			return
 		}
@@ -114,12 +109,6 @@ func Profile() http.HandlerFunc {
 			"PhotoCount":  models.CountPhotosICanSee(user, currentUser),
 			"NoteCount":   models.CountNotesAboutUser(currentUser, user),
 			"FriendCount": models.CountFriends(user.ID),
-			"ForumThreadCount":      models.CountThreadsByUser(user),
-			"ForumReplyCount":       models.CountCommentsByUser(user, "threads"),
-			"PhotoCommentCount":     models.CountCommentsByUser(user, "photos"),
-			"CommentsReceivedCount": models.CountCommentsReceived(user),
-			"LikesGivenCount":       models.CountLikesGiven(user),
-			"LikesReceivedCount":    models.CountLikesReceived(user),
 			"OnChat":      worker.GetChatStatistics().IsOnline(user.Username),
 
 			// Details on who likes their profile page.

pkg/controller/htmx/profile_activity.go

@@ -0,0 +1,80 @@
+package htmx
+
+import (
+	"net/http"
+	"net/url"
+	"time"
+
+	"code.nonshy.com/nonshy/website/pkg/log"
+	"code.nonshy.com/nonshy/website/pkg/middleware"
+	"code.nonshy.com/nonshy/website/pkg/models"
+	"code.nonshy.com/nonshy/website/pkg/session"
+	"code.nonshy.com/nonshy/website/pkg/templates"
+)
+
+// Statistics and social activity on the user's profile page.
+func UserProfileActivityCard() http.HandlerFunc {
+	tmpl := templates.MustLoadCustom("partials/htmx/profile_activity.html")
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		var (
+			username = r.FormValue("username")
+		)
+
+		if username == "" {
+			templates.NotFoundPage(w, r)
+			return
+		}
+
+		// Debug: use ?delay=true to force a slower response.
+		if r.FormValue("delay") != "" {
+			time.Sleep(1 * time.Second)
+		}
+
+		// Find this user.
+		user, err := models.FindUser(username)
+		if err != nil {
+			templates.NotFoundPage(w, r)
+			return
+		}
+
+		// Get the current user.
+		currentUser, err := session.CurrentUser(r)
+		if err != nil {
+			session.FlashError(w, r, "You must be signed in to view this page.")
+			templates.Redirect(w, "/login?next=/u/"+url.QueryEscape(r.URL.String()))
+			return
+		}
+
+		// Is the site under a Maintenance Mode restriction?
+		if middleware.MaintenanceMode(currentUser, w, r) {
+			return
+		}
+
+		// Inject relationship booleans for profile picture display.
+		models.SetUserRelationships(currentUser, []*models.User{user})
+
+		// Give a Not Found page if we can not see this user.
+		if err := user.CanBeSeenBy(currentUser); err != nil {
+			log.Error("%s can not be seen by viewer %s: %s", user.Username, currentUser.Username, err)
+			templates.NotFoundPage(w, r)
+			return
+		}
+
+		vars := map[string]interface{}{
+			"User":                  user,
+			"PhotoCount":            models.CountPhotosICanSee(user, currentUser),
+			"FriendCount":           models.CountFriends(user.ID),
+			"ForumThreadCount":      models.CountThreadsByUser(user),
+			"ForumReplyCount":       models.CountCommentsByUser(user, "threads"),
+			"PhotoCommentCount":     models.CountCommentsByUser(user, "photos"),
+			"CommentsReceivedCount": models.CountCommentsReceived(user),
+			"LikesGivenCount":       models.CountLikesGiven(user),
+			"LikesReceivedCount":    models.CountLikesReceived(user),
+		}
+
+		if err := tmpl.Execute(w, r, vars); err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+	})
+}

pkg/models/user.go

@@ -226,6 +226,31 @@ func (u *User) IsShyFrom(other *User) bool {
 	return true
 }
 
+// CanBeSeenBy checks whether the user can be seen to exist by the viewer.
+//
+// An admin viewer can always see them, but a user may be hidden to others when they are
+// blocking, disabled or banned.
+//
+// The user should always be given a Not Found page so they can't tell the user even
+// exists. The returned error will include a specific reason, for debugging purposes.
+func (u *User) CanBeSeenBy(viewer *User) error {
+	if viewer.IsAdmin {
+		return nil
+	}
+
+	// Banned or disabled? Only admin can view then.
+	if u.Status != UserStatusActive {
+		return fmt.Errorf("user status is %s", u.Status)
+	}
+
+	// Is either one blocking?
+	if IsBlocking(viewer.ID, u.ID) && !viewer.IsAdmin {
+		return fmt.Errorf("users block each other")
+	}
+
+	return nil
+}
+
 // UserSearch config.
 type UserSearch struct {
 	Username      string

pkg/router/router.go

@@ -14,6 +14,7 @@ import (
 	"code.nonshy.com/nonshy/website/pkg/controller/comment"
 	"code.nonshy.com/nonshy/website/pkg/controller/forum"
 	"code.nonshy.com/nonshy/website/pkg/controller/friend"
+	"code.nonshy.com/nonshy/website/pkg/controller/htmx"
 	"code.nonshy.com/nonshy/website/pkg/controller/inbox"
 	"code.nonshy.com/nonshy/website/pkg/controller/index"
 	"code.nonshy.com/nonshy/website/pkg/controller/photo"
@@ -116,6 +117,9 @@ func New() http.Handler {
 	mux.Handle("POST /v1/barertc/report", barertc.Report())
 	mux.Handle("POST /v1/barertc/profile", barertc.Profile())
 
+	// HTMX endpoints.
+	mux.Handle("GET /htmx/user/profile/activity", middleware.LoginRequired(htmx.UserProfileActivityCard()))
+
 	// Redirect endpoints.
 	mux.Handle("GET /go/comment", middleware.LoginRequired(comment.GoToComment()))
 

pkg/templates/templates.go

@@ -46,6 +46,28 @@ func LoadTemplate(filename string) (*Template, error) {
 	}, nil
 }
 
+// LoadCustom loads a bare template without the site theme and partial templates attached.
+//
+// The custom TempleFuncs and vars are still available (PrettyTitle, .CurrentUser, etc.)
+func LoadCustom(filename string) (*Template, error) {
+	filepath := config.TemplatePath + "/" + filename
+	stat, err := os.Stat(filepath)
+	if err != nil {
+		return nil, fmt.Errorf("LoadTemplate(%s): %s", filename, err)
+	}
+
+	tmpl := template.New("page")
+	tmpl.Funcs(TemplateFuncs(nil))
+	tmpl.ParseFiles(filepath)
+
+	return &Template{
+		filename: filename,
+		filepath: filepath,
+		modified: stat.ModTime(),
+		tmpl:     tmpl,
+	}, nil
+}
+
 // Must LoadTemplate or panic.
 func Must(filename string) *Template {
 	tmpl, err := LoadTemplate(filename)
@@ -55,6 +77,15 @@ func Must(filename string) *Template {
 	return tmpl
 }
 
+// Must LoadCustom or panic.
+func MustLoadCustom(filename string) *Template {
+	tmpl, err := LoadCustom(filename)
+	if err != nil {
+		panic(err)
+	}
+	return tmpl
+}
+
 // Execute a loaded template. In debug mode, the template file may be reloaded
 // from disk if the file on disk has been modified.
 func (t *Template) Execute(w http.ResponseWriter, r *http.Request, vars map[string]interface{}) error {

web/templates/account/profile.html

@@ -451,88 +451,12 @@
                     </header>
 
                     <div class="card-content">
-                        <strong class="has-text-info">Statistics</strong>
-                        <table class="table is-fullwidth" style="font-size: small">
-                            <tr>
-                                <td width="50%">
-                                    <strong class="is-size-7">Photos shared:</label>
-                                </td>
-                                <td>
-                                    <a href="/u/{{.User.Username}}/photos" class="has-text-info">
-                                        <i class="fa fa-image mr-1"></i>
-                                        {{FormatNumberCommas .PhotoCount}}
-                                    </a>
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <strong class="is-size-7">Forum threads written:</label>
-                                </td>
-                                <td>
-                                    <a href="/forum/search?username={{.User.Username}}&type=threads" class="has-text-info">
-                                        <i class="fa fa-comment mr-1"></i>
-                                        {{FormatNumberCommas .ForumThreadCount}}
-                                    </a>
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <strong class="is-size-7">Forum comments:</label>
-                                </td>
-                                <td>
-                                    <a href="/forum/search?username={{.User.Username}}" class="has-text-info">
-                                        <i class="fa fa-comments mr-1"></i>
-                                        {{FormatNumberCommas .ForumReplyCount}}
-                                    </a>
-                                </td>
-                            </tr>
-                        </table>
                         
-                        <strong class="has-text-info">Social</strong>
+                        <!-- Lazy load the statistics card-->
-                        <table class="table is-fullwidth" style="font-size: small">
+                        <div hx-get="/htmx/user/profile/activity?username={{.User.Username}}&delay=1" hx-trigger="load">
-                            <tr>
+                            <i class="fa fa-spinner fa-spin mr-1"></i> Loading...
-                                <td width="50%">
+                        </div>
-                                    <strong class="is-size-7">Friends:</label>
+
-                                </td>
-                                <td>
-                                    <a href="/u/{{.User.Username}}/friends" class="has-text-info">
-                                        <i class="fa fa-user-group mr-1"></i> {{FormatNumberCommas .FriendCount}}
-                                    </a>
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <strong class="is-size-7">Photo comments written:</label>
-                                </td>
-                                <td>
-                                    <i class="fa fa-comments mr-1"></i> {{FormatNumberCommas .PhotoCommentCount}}
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <strong class="is-size-7">Photo comments received:</label>
-                                </td>
-                                <td>
-                                    <i class="fa fa-comments mr-1"></i> {{FormatNumberCommas .CommentsReceivedCount}}
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <strong class="is-size-7">Likes given:</label>
-                                </td>
-                                <td>
-                                    <i class="fa fa-heart mr-1"></i> {{FormatNumberCommas .LikesGivenCount}}
-                                </td>
-                            </tr>
-                            <tr>
-                                <td>
-                                    <strong class="is-size-7">Likes received:</label>
-                                </td>
-                                <td>
-                                    <i class="fa fa-heart mr-1"></i> {{FormatNumberCommas .LikesReceivedCount}}
-                                </td>
-                            </tr>
-                        </table>
                     </div>
                 </div>
 

web/templates/base.html

@@ -383,6 +383,7 @@
     <script type="text/javascript" src="/static/js/bulma.js?build={{.BuildHash}}"></script>
     <script type="text/javascript" src="/static/js/likes.js?build={{.BuildHash}}"></script>
     <script type="text/javascript" src="/static/js/vue-3.2.45.js"></script>
+    <script type="text/javascript" src="/static/js/htmx-1.9.12.min.js"></script>
     {{template "scripts" .}}
 
     <!-- Likes modal -->

web/templates/partials/htmx/profile_activity.html

@@ -0,0 +1,84 @@
+{{define "base"}}
+<strong class="has-text-info">Statistics</strong>
+<table class="table is-fullwidth" style="font-size: small">
+    <tr>
+        <td width="50%">
+            <strong class="is-size-7">Photos shared:</label>
+        </td>
+        <td>
+            <a href="/u/{{.User.Username}}/photos" class="has-text-info">
+                <i class="fa fa-image mr-1"></i>
+                {{FormatNumberCommas .PhotoCount}}
+            </a>
+        </td>
+    </tr>
+    <tr>
+        <td>
+            <strong class="is-size-7">Forum threads written:</label>
+        </td>
+        <td>
+            <a href="/forum/search?username={{.User.Username}}&type=threads" class="has-text-info">
+                <i class="fa fa-comment mr-1"></i>
+                {{FormatNumberCommas .ForumThreadCount}}
+            </a>
+        </td>
+    </tr>
+    <tr>
+        <td>
+            <strong class="is-size-7">Forum comments:</label>
+        </td>
+        <td>
+            <a href="/forum/search?username={{.User.Username}}" class="has-text-info">
+                <i class="fa fa-comments mr-1"></i>
+                {{FormatNumberCommas .ForumReplyCount}}
+            </a>
+        </td>
+    </tr>
+</table>
+
+<strong class="has-text-info">Social</strong>
+<table class="table is-fullwidth" style="font-size: small">
+    <tr>
+        <td width="50%">
+            <strong class="is-size-7">Friends:</label>
+        </td>
+        <td>
+            <a href="/u/{{.User.Username}}/friends" class="has-text-info">
+                <i class="fa fa-user-group mr-1"></i> {{FormatNumberCommas .FriendCount}}
+            </a>
+        </td>
+    </tr>
+    <tr>
+        <td>
+            <strong class="is-size-7">Photo comments written:</label>
+        </td>
+        <td>
+            <i class="fa fa-comments mr-1"></i> {{FormatNumberCommas .PhotoCommentCount}}
+        </td>
+    </tr>
+    <tr>
+        <td>
+            <strong class="is-size-7">Photo comments received:</label>
+        </td>
+        <td>
+            <i class="fa fa-comments mr-1"></i> {{FormatNumberCommas .CommentsReceivedCount}}
+        </td>
+    </tr>
+    <tr>
+        <td>
+            <strong class="is-size-7">Likes given:</label>
+        </td>
+        <td>
+            <i class="fa fa-heart mr-1"></i> {{FormatNumberCommas .LikesGivenCount}}
+        </td>
+    </tr>
+    <tr>
+        <td>
+            <strong class="is-size-7">Likes received:</label>
+        </td>
+        <td>
+            <i class="fa fa-heart mr-1"></i> {{FormatNumberCommas .LikesReceivedCount}}
+        </td>
+    </tr>
+</table>
+{{end}}