add older/newer archive entries to data returned from /view/archive.

src/web.lisp

@@ -1006,14 +1006,19 @@
 (defroute ("/view/archive/:slug" :method :GET) (&key slug)
   (let ((alert (utils:get-and-reset-alert)))
     (if (storage:file-exists-p "" "archive" slug)
-	(render #P"archive-entry.html"
-		(append (if (hermetic:logged-in-p)
-			    (auth:auth-user-data))
-			`(:alert ,alert
-			  :db-data ,(nera:get-archive-entry :slug slug)
-			  :system-data ,(nera:system-data)
-			  :data ,(storage:open-text-file
-				  "" "archive" slug))))
+        (let* ((archive-entry (nera:get-archive-entry :slug slug))
+               (archive-id (archive::object-id archive-entry)))
+	  (render #P"archive-entry.html"
+		  (append (if (hermetic:logged-in-p)
+			      (auth:auth-user-data))
+			  `(:alert ,alert
+			    :db-data ,archive-entry
+			    :system-data ,(nera:system-data)
+                            :newer-entries
+                            ,(nera:get-newer-archive-entries archive-id 2)
+                            :older-entries
+                            ,(nera:get-older-archive-entries archive-id 2)
+			    :data ,(storage:open-text-file "" "archive" slug)))))
 	(on-exception *web* 404))))
 
 (defroute ("/user/archive" :method :GET) ()