Routing updates

src/routes/router_utils.nim

@@ -1,9 +1,9 @@
-import strutils, sequtils, asyncdispatch, httpclient
+import strutils, sequtils, asyncdispatch, httpclient, uri
 from jester import Request
 import ../utils, ../prefs
 export utils, prefs
 
-template savePref*(pref, value: string; req: Request; expire=false): typed =
+template savePref*(pref, value: string; req: Request; expire=false) =
   if not expire or pref in cookies(req):
     setCookie(pref, value, daysForward(when expire: -10 else: 360),
               httpOnly=true, secure=cfg.useHttps)
@@ -17,6 +17,15 @@ template getPath*(): untyped {.dirty.} =
 template refPath*(): untyped {.dirty.} =
   if @"referer".len > 0: @"referer" else: "/"
 
+template getCursor*(): string =
+  let cursor = @"cursor"
+  decodeUrl(if cursor.len > 0: cursor else: @"max_position", false)
+
+template getCursor*(req: Request): string =
+  let cursor = req.params.getOrDefault("cursor")
+  decodeUrl(if cursor.len > 0: cursor
+            else: req.params.getOrDefault("max_position"), false)
+
 proc getNames*(name: string): seq[string] =
   name.strip(chars={'/'}).split(",").filterIt(it.len > 0)