add web

app/util/transactions.py

@@ -0,0 +1,87 @@
+from app.extensions import db
+from app.models.user_transactions import UserTransaction
+from app.models.user import User
+from app.models.groups import Group
+from app.models.asset import Asset
+from app.enums.TransactionType import TransactionType
+import math
+
+def CreateTransaction(
+    Reciever : User | Group = None,
+    Sender : User | Group = None,
+    CurrencyAmount : int = 0,
+    CurrencyType : int = 0, # 0 = Robux, 1 = Tix
+    TransactionType : TransactionType = TransactionType.Purchase,
+    AssetId : int = None,
+    CustomText : str = None
+
+) -> UserTransaction | None:
+    """
+        Creates a transaction between two users or group.
+    
+        Reciever: Defaults to UserId 1 (Roblox),
+        Sender: Defaults to UserId 1 (Roblox)
+
+        Note: If Reciever and Sender are both None an exception will be raised.
+    """
+
+    if Reciever is None and Sender is None:
+        raise Exception("Reciever and Sender cannot both be None.")
+    
+    if Reciever is None:
+        Reciever = User.query.filter_by(id=1).first()
+    if Sender is None:
+        Sender = User.query.filter_by(id=1).first()
+    
+    NewTransaction : UserTransaction = UserTransaction(
+        reciever_id = Reciever.id,
+        reciever_type = 0 if isinstance(Reciever, User) else 1,
+        sender_id = Sender.id,
+        sender_type = 0 if isinstance(Sender, User) else 1,
+
+        currency_amount = CurrencyAmount,
+        currency_type = CurrencyType,
+        transaction_type = TransactionType,
+        custom_text = CustomText,
+
+        asset_id = AssetId
+    )
+    db.session.add(NewTransaction)
+    db.session.commit()
+
+    return NewTransaction
+
+def CreateTransactionForSale(
+    AssetObj : Asset,
+    PurchasePrice : int,
+    PurchaseCurrencyType : int, # 0 = Robux, 1 = Tix,
+    Seller : User | Group,
+    Buyer : User | Group,
+    ApplyTaxAutomatically : bool = True
+) -> tuple[UserTransaction, UserTransaction] | None:
+    """
+        Creates a transaction for a sale.
+    """
+
+    if ApplyTaxAutomatically:
+        PurchaseProfit : int = math.floor(PurchasePrice * 0.7) # 70% of the purchase price goes to the seller
+    else:
+        PurchaseProfit : int = PurchasePrice
+    
+    SellerTransaction : UserTransaction = CreateTransaction(
+        Reciever = Seller,
+        Sender = Buyer,
+        CurrencyAmount = PurchaseProfit,
+        CurrencyType = PurchaseCurrencyType,
+        TransactionType = TransactionType.Sale,
+        AssetId = AssetObj.id
+    )
+    BuyerTransaction : UserTransaction = CreateTransaction(
+        Reciever = Seller,
+        Sender = Buyer,
+        CurrencyAmount = PurchasePrice,
+        CurrencyType = PurchaseCurrencyType,
+        TransactionType = TransactionType.Purchase,
+        AssetId = AssetObj.id
+    )
+    return (SellerTransaction, BuyerTransaction)