Rewrite using jester

etherpad2latex.nimble

@@ -12,3 +12,4 @@ bin           = @["etherpad2latex"]
 # Dependencies
 
 requires "nim >= 0.20.0"
+requires "jester >= 0.4.1"

src/etherpad2latex.nim

@@ -1,26 +1,34 @@
 import asynchttpserver, asyncdispatch, httpclient
-import osproc, strutils, parseopt
+import os, osproc, strutils, parseopt
 
-proc getContent(pad:string):string =
-  discard
+import jester
+
+proc getContent(pad:string, etherpadUrl:string):string =
+  var client = newHTTPClient()
+  result = client.getContent(etherpadUrl & "pad/p/" & pad & "/export/txt")
 
-proc requestHandler(req:Request) {.async.} =
-  let
-    padName = req.url.path
-    content = getContent(padName)
-  let (output, exitCode) = execCmdEx("make")
-  let headers = if exitCode == 0: newHttpHeaders([("Content-Type","application/pdf")])
-                else: newHttpHeaders([("Content-Type","text/plain")])
-  let pdf = if exitCode == 0: readFile("Abgabe.pdf")
-            else: output
-  await req.respond(Http200, pdf, headers)
 
 when isMainModule:
   var
     p = initOptParser()
     port = 8080
-    etherpadAddress = "http://localhost:9001/"
-    server = newAsyncHttpServer()
+    etherpadUrl = "http://localhost:9001/"
+
+  router main:
+    get "/@pad":
+      let
+        pad = @"pad"
+        content = getContent(pad, etherpadUrl)
+        texFile = open("etherpad.tex", fmWrite)
+  
+      texFile.write(content)
+      texFile.close()
+  
+      let (output, exitCode) = execCmdEx(quoteShellCommand(["pdflatex", "-halt-on-error", "etherpad.tex"]))
+      if exitCode == 0:
+        sendFile("etherpad.pdf")
+      else:
+        resp output
 
   # Parse command-line args
   while true:
@@ -32,8 +40,10 @@ when isMainModule:
       of "p", "port":
         port = p.val.parseInt
       of "a", "etherpad-address":
-        etherpadAddress = p.val
+        etherpadUrl = p.val
       else: discard
     of cmdArgument: continue
 
-  waitFor server.serve(Port(port), requestHandler)
+  let s = newSettings(port=Port(port))
+  var j = initJester(main, settings=s)
+  j.serve()