diff --git a/toREST/include/session.hpp b/toREST/include/session.hpp
index bcf0a3f..e12afb1 100644
--- a/toREST/include/session.hpp
+++ b/toREST/include/session.hpp
@@ -18,59 +18,17 @@ namespace session {
     // virtual std::shared_ptr<libtorrent::session> get_session() = 0;
   };
   
-  class translate {
-  public:
-    static nlohmann::json to_json(const libtorrent::session_handle &handle){
-      nlohmann::json session_json;
-      return session_json;
-    }
-  };
+  class translate
+  { public: static nlohmann::json to_json(const libtorrent::session_handle &handle); };
   
   class manager : public basic_manager {
   public:
     // std::shared_ptr<libtorrent::session> get_session() override { return handle; }
     void set_session(std::shared_ptr<libtorrent::session> session) override { handle=session; }
-    nlohmann::json get_json() const override {
-      nlohmann::json session_json;
-      session_json["peer_id"] = handle->id().to_string();
-      session_json["is_paused"] = handle->is_paused();
-      session_json["is_listening"] = handle->is_listening();
-      session_json["listen_port"] = handle->listen_port();
-      session_json["ssl_listen_port"] = handle->ssl_listen_port();
-      return session_json;
-    };
+    nlohmann::json get_json() const override ;
     bool is_valid() const override { return handle && handle->is_valid(); }
-    bool patch(const nlohmann::json &data) override {
-      int is_paused=data["is_paued"];
-      int listen_port=data["listen_port"];
-      
-      auto pause = [this](int is_paused){
-        if(is_paused!=-1){
-          if(is_paused==handle->is_paused()){
-            return true;
-          }else if(is_paused==true){
-            handle->resume();
-            return true;
-          }else if(is_paused==false){
-            handle->pause();
-            return true;
-          }
-        }
-        return false;
-      };
-      
-      auto listen = [this](int listen_port){
-        if(listen_port!=-1&&listen_port>6880){
-          libtorrent::settings_pack sp;
-          sp.set_str(libtorrent::settings_pack::listen_interfaces,"0.0.0.0:"+std::to_string(listen_port));
-          handle->apply_settings(sp);
-          return true;
-        }
-        return false;
-      };
-      
-      return pause(is_paused) && listen(listen_port);
-    };
+    bool patch(const nlohmann::json &data) override ;
+
   private:
     std::shared_ptr<libtorrent::session> handle;
   };
@@ -101,29 +59,7 @@ namespace session {
     * @param[in] data takes an JSON object with at least one `action` set.
     * available `action`s are `is_paused<bool>` `listen_port<bool>`
     */
-    virtual void patch(const nlohmann::json data=nlohmann::json::object()) override {
-      if(mgr && mgr->is_valid()){
-        if(data.is_object() && !data.is_null()){
-          int is_paused=util::json::get<int>("is_paused",data,-1),
-            listen_port=util::json::get<int>("listen_port",data,-1);
-          bool at_at_least_one_option_is_set=is_paused!=-1||listen_port!=-1;
-          if(at_at_least_one_option_is_set){
-            nlohmann::json patch={{"is_paused",is_paused},{"listen_port",listen_port}};
-            if(mgr->patch(patch)){
-              return get_response().set_status(http::ok);
-            }else{
-              return get_response().set_status(http::internal_server_error);
-            }
-          }else{
-            return get_response().set_status(http::bad_request);
-          }
-        }
-        return get_response().set_status(http::bad_request);
-        // auto data=data.array();
-      }else{
-        return get_response().set_status(http::service_unavailable);
-      }
-    }
+    virtual void patch(const nlohmann::json&data=nlohmann::json::object());
     
     // @todo should we return service unavailable or just method not allowed?
     virtual void  del(nlohmann::json arg=nullptr) override { get_response().set_status(http::method_not_allowed); }
diff --git a/toREST/src/session.cpp b/toREST/src/session.cpp
new file mode 100644
index 0000000..a58fdef
--- /dev/null
+++ b/toREST/src/session.cpp
@@ -0,0 +1,73 @@
+#include <session.hpp>
+
+namespace session {
+  nlohmann::json translate::to_json(const libtorrent::session_handle &handle){
+    nlohmann::json session_json;
+    return session_json;
+  }
+  
+  nlohmann::json manager::get_json() const {
+    nlohmann::json session_json;
+    session_json["peer_id"] = handle->id().to_string();
+    session_json["is_paused"] = handle->is_paused();
+    session_json["is_listening"] = handle->is_listening();
+    session_json["listen_port"] = handle->listen_port();
+    session_json["ssl_listen_port"] = handle->ssl_listen_port();
+    return session_json;
+  }
+  
+  bool manager::patch(const nlohmann::json &data) {
+    int is_paused=data["is_paued"];
+    int listen_port=data["listen_port"];
+    
+    auto pause = [this](int is_paused){
+      if(is_paused!=-1){
+        if(is_paused==handle->is_paused()){
+          return true;
+        }else if(is_paused==true){
+          handle->resume();
+          return true;
+        }else if(is_paused==false){
+          handle->pause();
+          return true;
+        }
+      }
+      return false;
+    };
+    
+    auto listen = [this](int listen_port){
+      if(listen_port!=-1&&listen_port>6880){
+        libtorrent::settings_pack sp;
+        sp.set_str(libtorrent::settings_pack::listen_interfaces,"0.0.0.0:"+std::to_string(listen_port));
+        handle->apply_settings(sp);
+        return true;
+      }
+      return false;
+    };
+    
+    return pause(is_paused) && listen(listen_port);
+  };
+  void resource::patch(const nlohmann::json &data){
+    if(mgr && mgr->is_valid()){
+      if(data.is_object() && !data.is_null()){
+        int is_paused=util::json::get<int>("is_paused",data,-1),
+          listen_port=util::json::get<int>("listen_port",data,-1);
+        bool at_at_least_one_option_is_set=is_paused!=-1||listen_port!=-1;
+        if(at_at_least_one_option_is_set){
+          nlohmann::json patch={{"is_paused",is_paused},{"listen_port",listen_port}};
+          if(mgr->patch(patch)){
+            return get_response().set_status(http::ok);
+          }else{
+            return get_response().set_status(http::internal_server_error);
+          }
+        }else{
+          return get_response().set_status(http::bad_request);
+        }
+      }
+      return get_response().set_status(http::bad_request);
+      // auto data=data.array();
+    }else{
+      return get_response().set_status(http::service_unavailable);
+    }
+  }
+}
\ No newline at end of file