got web framework working

CMakeLists.txt

@@ -15,6 +15,7 @@ add_executable(${PROJECT_NAME} main.cpp)
 
 target_include_directories(${PROJECT_NAME} PUBLIC include)
 target_include_directories(${PROJECT_NAME} PUBLIC third_party)
+target_include_directories(${PROJECT_NAME} PUBLIC third_party/drogon/lib/inc)
 
 add_subdirectory(third_party/drogon)
 target_link_libraries(${PROJECT_NAME} PRIVATE drogon)

include/bank.hpp

@@ -16,6 +16,12 @@ private:
         std::mutex>
         users;
 
+    /**
+     * @brief any function that WRITES to users in a way that CHANGES its SIZE OR takes MORE THEN ONE OPERATION must share lock this lock 
+     * as to be stopped when saving, as saving data must not be corrupted. one operation writes that done modify size aswell as reads are 
+     * permitted while saving so they do not have to share this lock
+     * 
+     */
     std::shared_mutex save_lock;
 
 public:
@@ -54,7 +60,7 @@ public:
     {
         //if A exists, A can afford it, and A's password matches
         bool state = false;
-        std::shared_lock<std::shared_mutex> lock{save_lock}; //because SendFunds is non-atomic, it requires 3 locking operations
+        std::shared_lock<std::shared_mutex> lock{save_lock}; //because SendFunds requires 3 locking operations
         users.modify_if(a_name, [&state, amount, &attempt](User &a) {
             if (state = (a.balance >= amount) && (a.password == attempt), state)
             {

main.cpp

@@ -3,7 +3,9 @@
 #include <thread>
 #include <sys/types.h>
 #include <unistd.h>
-#include "bank.hpp"
+#include "bank_f.hpp"
+
+using namespace drogon;
 
 int main(int argc, char **argv)
 {
@@ -25,14 +27,20 @@ int main(int argc, char **argv)
     Bank.admin_pass = argv[1];
 
     //Auto Saving
-    volatile bool saving_flag = true;
-    std::thread([&argv, &saving_flag]() {
-        while (saving_flag)
-        {
-            std::this_thread::sleep_for(std::chrono::minutes(std::stoi(argv[2])));
-            Bank.Save();
-        }
-    }).detach();
+    const unsigned long saving_freq = std::stoul(argv[2]);
+    if (saving_freq) //if saving frequency is 0 then auto saving is turned off
+    {
+        std::thread([&argv, saving_freq]() {
+            while (1)
+            {
+                std::this_thread::sleep_for(std::chrono::minutes(saving_freq));
+                Bank.Save();
+            }
+        }).detach();
+    }
+
+    auto API = std::make_shared<BankFrontend>();
+    app().addListener("0.0.0.0", 80).registerController(API).run();
 
     return 0;
 }