Query based routing.

src/routing.jl

@@ -1,6 +1,6 @@
 using HttpCommon
 
-export method, GET, route, page, probabilty
+export method, GET, route, page, probabilty, query, print
 
 # Request type
 
@@ -19,6 +19,7 @@ function matchpath(target, path)
   params = d()
   for i = 1:length(target)
     if startswith(target[i], ":")
+      params = d()
       params[Symbol(target[i][2:end])] = path[i]
     else
       target[i] == path[i] || return
@@ -44,6 +45,30 @@ page(p::AbstractString, app...) = page(splitpath(p), app...)
 page(app...) = page([], app...)
 page(app::Function, p) = page(p, app)
 
+# Query routing
+
+function pt(req)
+  println("query ", req[:query])
+  return true
+end
+
+print(m::AbstractString, app...) = branch(req -> pt(req), app...)
+
+function matchquery(q, req)
+  qdict = parsequerystring(req[:query])
+  length(q) != length(qdict) && return false
+  for pair in q
+    if haskey(qdict, pair[1]) && (pair[2] == "" || pair[2] == qdict[pair[1]])
+      continue
+    else
+      return false
+    end
+  end
+  return true
+end
+
+query(q::Dict{String, String}, app...) = branch(req -> matchquery(q, req), app...)
+
 # Misc
 
 probabilty(x, app...) = branch(_->rand()<x, app...)

test/runtests.jl

@@ -4,13 +4,16 @@ using Lazy
 import Requests
 
 @test Mux.notfound()(d())[:status] == 404
-
+d1 = Dict("one"=> "1", "two"=> "2")
+d2 = Dict("one"=> "1", "two"=> "")
 # Test basic server
 @app test = (
   Mux.defaults,
   page(respond("<h1>Hello World!</h1>")),
   page("/about", respond("<h1>Boo!</h1>")),
   page("/user/:user", req -> "<h1>Hello, $(req[:params][:user])!</h1>"),
+  query(d1, respond("<h1>query1</h1>")),
+  query(d2, respond("<h1>query2</h1>")),
   Mux.notfound())
 serve(test)
 @test Requests.text(Requests.get("http://localhost:8000")) ==
@@ -19,3 +22,11 @@ serve(test)
             "<h1>Boo!</h1>"
 @test Requests.text(Requests.get("http://localhost:8000/user/julia")) ==
             "<h1>Hello, julia!</h1>"
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1&two=2")) == "<h1>query1</h1>"
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1")) != "<h1>query1</h1>"
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1&two=2&sarv=boo")) != "<h1>query1</h1>"
+
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1")) != "<h1>query2</h1>"
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1&two=56")) == "<h1>query2</h1>"
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1&two=hfjd")) == "<h1>query2</h1>"
+@test Requests.text(Requests.get("http://localhost:8000/dum?one=1&two=2&sarv=boo")) != "<h1>query2</h1>"