set download/upload on torrent resource

toREST/include/torrent.hpp

@@ -90,7 +90,11 @@ void patch(torrent_session &session, response resp, request req) {
     return respond(http::bad_request);
   }
 
-  if (request_object.find("paused") != request_object.end()) {
+  auto paused_field = request_object.find("paused") != request_object.end();
+  auto up_limit_field = request_object.find("up_limit") != request_object.end();
+  auto down_limit_field = request_object.find("down_limit") != request_object.end();
+
+  if (paused_field) {
     bool paused = false;
     const auto obj = request_object.at("paused");
     if (obj.is_boolean())
@@ -98,6 +102,8 @@ void patch(torrent_session &session, response resp, request req) {
     else if (obj.is_string()) {
       std::string p = obj;
       paused = (p == "true");
+    } else {
+      return respond(http::bad_request);
     }
     if (torrent.status().paused != paused) {
       if (paused)
@@ -108,6 +114,38 @@ void patch(torrent_session &session, response resp, request req) {
     }
   }
 
+  if (up_limit_field) {
+    int up_limit = 0;
+    auto obj = request_object.at("up_limit");
+    if (obj.is_string()) {
+      std::string i = obj;
+      up_limit = std::stoi(i);
+    } else if (obj.is_number()) {
+      up_limit = obj;
+    } else {
+      return respond(http::bad_request);
+    }
+    torrent.set_upload_limit(up_limit);
+  }
+
+  if (down_limit_field) {
+    int down_limit = 0;
+    auto obj = request_object.at("down_limit");
+    if (obj.is_string()) {
+      std::string i = obj;
+      down_limit = std::stoi(i);
+    } else if (obj.is_number()) {
+      down_limit = obj;
+    } else {
+      return respond(http::bad_request);
+    }
+    torrent.set_download_limit(down_limit);
+  }
+
+  if (down_limit_field || up_limit_field || paused_field) {
+    return respond(http::bad_request);
+  }
+
   respond(http::accepted);
 }
 }

toREST/tests/include/TorrentContext.hpp

@@ -33,6 +33,8 @@ public:
   bool valid = true;
   int upload_limit_ = 0;
   int upload_limit() const;
+  void set_download_limit(int limit);
+  void set_upload_limit(int limit);
   int download_limit_ = 0;
   int download_limit() const;
   void pause(int flags = 0);

toREST/tests/stubs/TorrentContext.cpp

@@ -37,3 +37,11 @@ void TestTorrent::pause(int flags) {
 void TestTorrent::resume() {
   status_.paused = false;
 }
+
+void TestTorrent::set_download_limit(int limit) {
+  download_limit_ = limit;
+}
+
+void TestTorrent::set_upload_limit(int limit) {
+  upload_limit_ = limit;
+}

toREST/tests/torrent_test.cpp

@@ -70,6 +70,8 @@ SCENARIO("We are running a PATCH /session/torrents/id resource") {
           tr::session::torrents::id::patch(torrent_session, response, request);
           CommonResponse::accepted(response);
           REQUIRE(torrent_session.get_torrents().back().status().paused);
+          REQUIRE(torrent_session.get_torrents().back().download_limit() == 100);
+          REQUIRE(torrent_session.get_torrents().back().upload_limit() == 109);
         }
       }
       THEN("the request is valid json, but doesn't have any of the required fields") {