feat(expenses): add walletId to expense model and implement wallet adjustments in expense operations

apps/backend/src/modules/expenses/expenses.service.ts

@@ -259,6 +259,7 @@ export async function createNonPeriodicExpense(
     year,
     month,
     status: PaymentStatus.PAYED,
+    walletId: data.walletId,
   };
 
   if (isUSDC && data.usdcConversionRate) {
@@ -325,6 +326,7 @@ export async function payExpense(
     status: PaymentStatus.PAYED,
     amountPayed: data.amountPayed,
     paymentDate,
+    walletId: data.walletId,
   };
 
   if (isUSDC && data.usdcConversionRate) {
@@ -372,12 +374,29 @@ export async function updateExpense(
     month,
   };
 
+  let walletAdjustment: {
+    walletId: number;
+    amount: number;
+    description: string;
+  } | null = null;
+
   if (data.status === "PENDING") {
     updateData.status = PaymentStatus.PENDING;
     updateData.amountPayed = null;
     updateData.paymentDate = null;
     updateData.beloPrice = null;
     updateData.usdcEquivalent = null;
+
+    if (existing.status === PaymentStatus.PAYED && existing.walletId) {
+      const refundAmount = existing.amountPayed
+        ? Number(existing.amountPayed)
+        : Number(existing.amount);
+      walletAdjustment = {
+        walletId: existing.walletId,
+        amount: refundAmount,
+        description: "Anulación de gasto",
+      };
+    }
   } else if (existing.status === PaymentStatus.PAYED) {
     if (data.amountPayed !== undefined) {
       updateData.amountPayed = data.amountPayed;
@@ -400,6 +419,51 @@ export async function updateExpense(
         updateData.usdcEquivalent = null;
       }
     }
+
+    if (existing.walletId) {
+      const oldPayed = existing.amountPayed
+        ? Number(existing.amountPayed)
+        : Number(existing.amount);
+      const newPayed = data.amountPayed !== undefined
+        ? Number(data.amountPayed)
+        : Number(data.amount);
+
+      if (newPayed !== oldPayed) {
+        const difference = newPayed - oldPayed;
+        walletAdjustment = {
+          walletId: existing.walletId,
+          amount: -difference,
+          description: "Ajuste por edición de gasto",
+        };
+      }
+    }
+  }
+
+  if (walletAdjustment) {
+    const wallet = await prisma.wallet.findUnique({
+      where: { id: walletAdjustment.walletId },
+    });
+    if (!wallet) {
+      throw new Error("Billetera no encontrada");
+    }
+
+    const [result] = await prisma.$transaction([
+      prisma.expense.update({ where: { id }, data: updateData }),
+      prisma.wallet.update({
+        where: { id: walletAdjustment.walletId },
+        data: { balance: { increment: walletAdjustment.amount } },
+      }),
+      prisma.walletMovement.create({
+        data: {
+          walletId: walletAdjustment.walletId,
+          type: walletAdjustment.amount > 0 ? "DEPOSIT" : "WITHDRAWAL",
+          amount: walletAdjustment.amount,
+          description: walletAdjustment.description,
+        },
+      }),
+    ]);
+    cache.invalidateByPrefix("expenses:");
+    return result;
   }
 
   const result = await prisma.expense.update({