add system-data to data passed to the HTML GET routes in web.lisp.

System-data is a collection of the system settings and page data in
the database. It minimises the function calls in the defroute macros.

src/web.lisp

@@ -40,6 +40,7 @@
 			  (auth:auth-user-data))
 		      `(:alert ,(utils:get-and-reset-alert)
 			:nav-menu ,(nera:nav-menu-slugs)
+			:system-data ,(nera:system-data)
 			:content ,(storage:open-text-file
 				   "" "pages"
 				   (site-settings::home-page-of
@@ -81,6 +82,7 @@
 		     (let ((alert (utils:get-and-reset-alert)))
 		       (render "sign-up.html"
 			       `(:token ,(auth:csrf-token)
+				 :system-data ,(nera:system-data)
 				 :alert ,alert))))))
 
 (defroute ("/sign-up" :method :POST) ()
@@ -121,6 +123,7 @@
 		 (let ((alert (utils:get-and-reset-alert)))
 		   (render "user/log-in.html"
 			   `(:token ,(auth:csrf-token)
+			     :system-data ,(nera:system-data)
 			     :alert ,alert)))))
 
 (defroute ("/login" :method :POST) ()
@@ -170,7 +173,8 @@
 		 (let ((alert (utils:get-and-reset-alert)))
 		   (render #P"user/dashboard.html"
 			   (append (auth:auth-user-data)
-				   `(:alert ,alert))))
+				   `(:alert ,alert
+				     :system-data ,(nera:system-data)))))
 		 ;; Not Authorised
 		 (progn (utils:set-alert "You are not logged in.")
 			(redirect "/login"))))
@@ -183,8 +187,10 @@
 	   (append (auth:auth-user-data)
 		   `(:alert ,(utils:get-and-reset-alert)
 		     :pages ,(nera:get-all-pages)
+		     :system-data ,(nera:system-data)
 		     :site-wide-snippet ,(storage:open-text-file-with-raw-path
 					  "static/site-wide-snippet")
+			    ;; Should this be replaced by `SYSTEM-DATA'?
 		     :settings ,(nera:get-site-settings))))
    ;; Not Authorised
    (progn
@@ -373,6 +379,7 @@
 		   (render #P"user/index.html"
 			   (append (auth:auth-user-data)
 				   `(:alert ,alert
+				     :system-data ,(nera:system-data)
 				     :users ,(nera:get-all-users)))))
 		 ;; Not Authorised
 		 (progn
@@ -416,7 +423,8 @@
 		 (let ((alert (utils:get-and-reset-alert)))	   
 		   (render #P"user/edit.html"
 			   (append (auth:auth-user-data)
-				   `(:alert ,alert))))
+				   `(:alert ,alert
+				     :system-data ,(nera:system-data)))))
 		 ;; Not Authorised
 		 (progn (utils:set-alert "You are not logged in.")
 			(redirect "/login"))))
@@ -526,7 +534,8 @@
 		 (let ((alert (utils:get-and-reset-alert)))
 		   (render "/user/create-page.html"
 			   (append (auth:auth-user-data)
-				   `(:alert ,alert))))
+				   `(:alert ,alert
+				     :system-data ,(nera:system-data)))))
 		 ;; Not Authorised
 		 (progn
 		   (utils:set-alert "You are not logged in.")
@@ -563,7 +572,7 @@
 			"pages"
 		        (utils:slugify title)
 			page-content)
-		       (nera:create-page title (utils:slugify title) +false+ +false+)
+		       (nera:create-page title (utils:slugify title) +false+ +true+)
 		       (utils:set-alert "Page created.")
 		       (redirect "/dashboard")))
 	      ;; Not Authorised
@@ -577,9 +586,8 @@
 		   (render "/user/pages.html"
 			   (append (auth:auth-user-data)
 				   `(:alert ,alert
-				     :pages ,(storage:get-file-names
+				     :system-data ,(nera:system-data)
-					      (storage:get-files-in-directory
+				     :pages ,(nera:get-all-pages)))))
-					       "" "pages"))))))
 		 ;; Not Authorised
 		 (progn
 		   (utils:set-alert "You are not logged in.")
@@ -591,9 +599,8 @@
 	    (append (if (hermetic:logged-in-p)
 			(auth:auth-user-data))
 		    `(:alert ,alert
-		      :pages ,(storage:get-file-names
+		      :system-data ,(nera:system-data)
-			       (storage:get-files-in-directory
+		      :pages ,(nera:get-all-pages))))))
-				"" "pages")))))))
 
 (defroute ("/view/pages" :method :GET) ()
   (let ((alert (utils:get-and-reset-alert)))
@@ -601,6 +608,7 @@
 	    (append (if (hermetic:logged-in-p)
 			(auth:auth-user-data))
 		    `(:alert ,alert
+		      :system-data ,(nera:system-data)
 		      :pages ,(storage:get-file-names
 			       (storage:get-files-in-directory
 				"" "pages")))))))
@@ -611,6 +619,7 @@
 	    (append (if (hermetic:logged-in-p)
 			(auth:auth-user-data))
 		    `(:alert ,alert
+		      :system-data ,(nera:system-data)
 		      :pages ,(storage:get-file-names
 			       (storage:get-files-in-directory
 				"" "pages")))))))
@@ -623,6 +632,7 @@
 			    (auth:auth-user-data))
 			`(:alert ,alert
 			  :db-data ,(nera:get-page slug)
+			  :system-data ,(nera:system-data)
 			  :data ,(storage:open-text-file
 				  "" "pages" slug))))
 	(on-exception *web* 404))))
@@ -634,6 +644,7 @@
 		   (render "/user/edit-page.html"
 			   (append (auth:auth-user-data)
 				   `(:alert ,alert
+				     :system-data ,(nera:system-data)
 				     :db-data ,(nera:get-page slug)
 				     :data ,(storage:open-text-file
 					     "" "pages" slug)))))