vor temaplte

internal/admin/admin.go

@@ -60,21 +60,32 @@ func Register(mux *http.ServeMux, d Deps) {
 		items, nextOut, _ := d.Store.List(r.Context(), nextID, 100)
 
 		type row struct {
-			ID        string
-			Name      string
-			UpdatedAt int64
-			HasBlob   bool
-			Size      int64
+			ID          string
+			Name        string
+			UpdatedAt   int64
+			HasBlob     bool
+			Size        int64
+			Owner       string
+			OwnerActive bool
 		}
 		rows := make([]row, 0, len(items))
+
+		peers := d.Mesh.PeerList()
+		ttl := 2 * time.Minute
+		if cfg := d.Mesh.Config(); cfg.PeerTTL > 0 {
+			ttl = cfg.PeerTTL
+		}
+
 		for _, it := range items {
 			meta, ok, _ := d.Blob.Stat(r.Context(), it.ID)
 			rows = append(rows, row{
-				ID:        it.ID,
-				Name:      it.Name,
-				UpdatedAt: it.UpdatedAt,
-				HasBlob:   ok,
-				Size:      meta.Size,
+				ID:          it.ID,
+				Name:        it.Name,
+				UpdatedAt:   it.UpdatedAt,
+				HasBlob:     ok,
+				Size:        meta.Size,
+				Owner:       it.Owner,
+				OwnerActive: isOwnerActive(it.Owner, peers, ttl),
 			})
 		}
 
@@ -84,6 +95,42 @@ func Register(mux *http.ServeMux, d Deps) {
 		})
 	})
 
+	mux.HandleFunc("/admin/items/takeover", func(w http.ResponseWriter, r *http.Request) {
+		if r.Method != http.MethodPost {
+			http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
+			return
+		}
+		id := strings.TrimSpace(r.FormValue("id"))
+		if id != "" {
+			// Nur zulassen, wenn Owner tatsächlich offline ist
+			it, err := d.Store.Get(r.Context(), filesvc.ID(id))
+			if err == nil {
+				peers := d.Mesh.PeerList()
+				ttl := 2 * time.Minute
+				if cfg := d.Mesh.Config(); cfg.PeerTTL > 0 {
+					ttl = cfg.PeerTTL
+				}
+				if !isOwnerActive(it.Owner, peers, ttl) {
+					// eigene URL aus PeerList ermitteln
+					self := ""
+					for _, p := range peers {
+						if p.Self {
+							self = p.URL
+							break
+						}
+					}
+					if self == "" {
+						self = "unknown-self"
+					}
+					if _, err := d.Store.TakeoverOwner(r.Context(), filesvc.ID(id), self); err == nil {
+						_ = d.Mesh.SyncNow(r.Context())
+					}
+				}
+			}
+		}
+		renderItemsPartial(w, r, d)
+	})
+
 	// Upload (multipart/form-data, Feldname "file", optional name-Override)
 	mux.HandleFunc("/admin/files/upload", func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != http.MethodPost {
@@ -258,25 +305,32 @@ func BasicAuth(user, pass string, next http.Handler) http.Handler {
 // rebuild & render items partial for HTMX swaps
 func renderItemsPartial(w http.ResponseWriter, r *http.Request, d Deps) {
 	type row struct {
-		ID        string
-		Name      string
-		UpdatedAt int64
-		HasBlob   bool
-		Size      int64
+		ID          string
+		Name        string
+		UpdatedAt   int64
+		HasBlob     bool
+		Size        int64
+		Owner       string
+		OwnerActive bool
 	}
 
 	nextID := filesvc.ID(strings.TrimSpace(r.URL.Query().Get("next")))
 	items, nextOut, _ := d.Store.List(r.Context(), nextID, 100)
 
+	peers := d.Mesh.PeerList()
+	ttl := 2 * time.Minute
+
 	rows := make([]row, 0, len(items))
 	for _, it := range items {
 		meta, ok, _ := d.Blob.Stat(r.Context(), (it.ID))
 		rows = append(rows, row{
-			ID:        (it.ID),
-			Name:      it.Name,
-			UpdatedAt: it.UpdatedAt,
-			HasBlob:   ok,
-			Size:      meta.Size,
+			ID:          (it.ID),
+			Name:        it.Name,
+			UpdatedAt:   it.UpdatedAt,
+			HasBlob:     ok,
+			Size:        meta.Size,
+			Owner:       it.Owner,
+			OwnerActive: isOwnerActive(it.Owner, peers, ttl),
 		})
 	}
 	w.Header().Set("Content-Type", "text/html; charset=utf-8")
@@ -285,3 +339,23 @@ func renderItemsPartial(w http.ResponseWriter, r *http.Request, d Deps) {
 		"Next":  nextOut,
 	})
 }
+
+func isOwnerActive(owner string, peers []mesh.Peer, ttl time.Duration) bool {
+	if strings.TrimSpace(owner) == "" {
+		return true
+	}
+	cutoff := time.Now().Add(-ttl)
+	for _, p := range peers {
+		if strings.TrimSpace(p.URL) == strings.TrimSpace(owner) {
+			// Self ist immer aktiv, sonst nach LastSeen
+			if p.Self {
+				return true
+			}
+			if p.LastSeen.IsZero() {
+				return false
+			}
+			return p.LastSeen.After(cutoff)
+		}
+	}
+	return false
+}

internal/admin/tpl/partials_items.html

@@ -24,12 +24,27 @@
   <table>
     <thead>
       <tr>
-        <th>ID</th><th>Name</th><th>Updated</th><th>Blob</th><th style="width:260px">Aktionen</th>
+        <th>Owner</th><th>Status</th><th>ID</th><th>Name</th><th>Updated</th><th>Blob</th><th style="width:260px">Aktionen</th>
       </tr>
     </thead>
     <tbody>
     {{ range .Items }}
       <tr>
+        <td><small class="muted">{{ .Owner }}</small></td>
+        <td>
+        {{ if .OwnerActive }}
+            <span class="pill">online</span>
+        {{ else }}
+            <span class="pill" style="background:#5b1a1a;border-color:#7a2b2b;color:#fbb">offline</span>
+            <form style="display:inline"
+                hx-post="/admin/items/takeover"
+                hx-target="#items" hx-swap="outerHTML"
+                onsubmit="return confirm('Owner übernehmen?');">
+            <input type="hidden" name="id" value="{{ .ID }}">
+            <button class="btn" type="submit">Übernehmen</button>
+            </form>
+        {{ end }}
+        </td>
         <td>{{ .ID }}</td>
         <td>{{ .Name }}</td>
         <td><small class="muted">{{ printf "%.19s" (timeRFC3339 .UpdatedAt) }}</small></td>