Pull money manipulation out of the thread for thread safety

WebServer/Controllers/Automation.cs

@@ -57,11 +57,39 @@ namespace Controllers.Automation {
                     // Wait for all the threads to finish
                     await Task.WhenAll(threadpool);
 
-                    // Process Stocks -> Buy Sell Hold / Based on the global data from earlier
-                    sellStock(username);
+                    // Get the highest ranked
+                    Stock HighestRanking = new Stock(){ Symbol="NVDA", Score = -400 };  // Just a placeholder incase an empty list comes through there is a fallback
+                    foreach(Stock cur in VerifiedTrackedStocks) {
+                        if (HighestRanking.Score < cur.Score) {
+                            HighestRanking = cur;
+                        }
+                    }
 
-                    // Save the new scores to the database for reference from the UI
+                    // Get users money
+                    string MoneyStr = _dbDriver.Get( dbPrefix + "money");
+                    bool Money = float.TryParse( MoneyStr, out float VerifiedMoney );
+                    if (!Money) {
+                        Console.WriteLine( "Unable to load users money" );
+                        VerifiedMoney = 0;
+                    }
+
+                    // Sell all stocks
+                    VerifiedMoney = sellStock(username, VerifiedMoney);
+                    if (VerifiedMoney == -1f) {
+                        Console.WriteLine("Failed to sell stocks");
+                        return;
+                    }
+
+                    // Buy predicted stock
+                    VerifiedMoney = buyStock(username, VerifiedMoney, HighestRanking.Symbol);
+                    if (VerifiedMoney == -1f) {
+                        Console.WriteLine("Failed to buy stocks");
+                        return;
+                    }
+
+                    // Save to the database
                     _dbDriver.Set( dbPrefix + "watched", JsonConvert.SerializeObject( VerifiedTrackedStocks ) );
+                    _dbDriver.Set( dbPrefix + "money", VerifiedMoney.ToString());
 
                 });
             });
@@ -76,7 +104,7 @@ namespace Controllers.Automation {
             thread.Start();
         }
 
-        void sellStock(string username){
+        float sellStock(string username, float Money){
             string dbPrefix = $"[{username.ToLower()}]:";
 
             // Get all stock history
@@ -84,6 +112,7 @@ namespace Controllers.Automation {
             List<PurchasedStock> VerifiedPurchaseHistory = PurchaseHistory != null ? PurchaseHistory : new List<PurchasedStock>();
 
             // Find the stocks that need to be sold
+            float totalSale = 0;
             foreach(PurchasedStock cur in VerifiedPurchaseHistory) {
                 if (cur.Sold == false) {
                     
@@ -94,55 +123,53 @@ namespace Controllers.Automation {
                     (bool, string) createResult = _paymentProcessor.CreatePayment(username);
                     if (!createResult.Item1) {
                         Console.WriteLine("Create Payment Failure: " + createResult.Item2);
-                        return;
+                        return -1f;
                     }
 
                     // Try to sell the stock
                     (bool, string) paymentResult = _paymentProcessor.TrySell(createResult.Item2, sellPrice);
                     if (!paymentResult.Item1){
                         Console.WriteLine("Process Payment Failure: " + paymentResult.Item2);
-                        return;
+                        return -1f;
                     }
+
+                    // Add up the total sale
+                    totalSale += sellPrice;
                 }
             }
 
             // Save the stock history
             _dbDriver.Set( dbPrefix + "Stocks", JsonConvert.SerializeObject(VerifiedPurchaseHistory) );
+
+            // return the new calculated total
+            return Money + totalSale;
         }
 
-        void buyStock(string username, string stockSymbol){
+        float buyStock(string username, float Money, string stockSymbol){
             string dbPrefix = $"[{username.ToLower()}]:";
             
             // Get all stock history
             List<PurchasedStock>? PurchaseHistory = JsonConvert.DeserializeObject<List<PurchasedStock>>( _dbDriver.Get( dbPrefix + "history" ) );
             List<PurchasedStock> VerifiedPurchaseHistory = PurchaseHistory != null ? PurchaseHistory : new List<PurchasedStock>();
 
-            // Get users money
-            string MoneyStr = _dbDriver.Get( dbPrefix + "money");
-            bool Money = float.TryParse( MoneyStr, out float VerifiedMoney );
-            if (!Money) {
-                Console.WriteLine( "Unable to load users money" );
-                VerifiedMoney = 0;
-            }
-
             // Get Stock Price
             float stockPrice = _aiModule.GetCurrentPrice( stockSymbol );
 
             // Get max stocks user can purchase [ int cast truncates the decimal ]
-            int MaxQty = (int)( VerifiedMoney / stockPrice );
+            int MaxQty = (int)( Money / stockPrice );
 
             // Try create payment session
             (bool, string) createResult = _paymentProcessor.CreatePayment(username);
             if (!createResult.Item1) {
                 Console.WriteLine("Create Payment Failure: " + createResult.Item2);
-                return;
+                return -1f;
             }
 
             // Try Pay for the stock
             (bool, string) result = _paymentProcessor.TryPayment(createResult.Item2, stockPrice * MaxQty);
             if (!result.Item1){
                 Console.WriteLine("Process Payment Failure: " + result.Item2);
-                return;
+                return -1f;
             }
 
             // Add the stock
@@ -152,6 +179,9 @@ namespace Controllers.Automation {
                 Quantity = MaxQty,
             } );
             _dbDriver.Set( dbPrefix + "Stocks", JsonConvert.SerializeObject(VerifiedPurchaseHistory) );
+
+            // Return the new money
+            return Money - ( stockPrice * MaxQty );
         }
     }
 }