feat(expenses): allow editing paid expenses (status, amountPayed, paymentDate)

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

@@ -28,6 +28,15 @@ export const updateExpenseSchema = z.object({
   dueDate: z
     .string()
     .datetime({ message: "La fecha debe ser una fecha ISO válida" }),
+  status: z.enum(["PENDING"]).optional(),
+  amountPayed: z
+    .number()
+    .positive("El monto pagado debe ser mayor a 0")
+    .optional(),
+  paymentDate: z
+    .string()
+    .datetime({ message: "La fecha debe ser una fecha ISO válida" })
+    .optional(),
 });
 
 function lastDayOfMonth(year: number, month: number): number {
@@ -199,22 +208,34 @@ export async function updateExpense(
   data: z.infer<typeof updateExpenseSchema>,
 ) {
   const existing = await prisma.expense.findUniqueOrThrow({ where: { id } });
-  if (existing.status !== PaymentStatus.PENDING) {
-    throw new Error("Solo se pueden editar gastos pendientes");
-  }
 
   const dueDate = new Date(data.dueDate);
   const year = dueDate.getUTCFullYear();
   const month = dueDate.getUTCMonth() + 1;
 
+  const updateData: Record<string, unknown> = {
+    amount: data.amount,
+    dueDate,
+    year,
+    month,
+  };
+
+  if (data.status === "PENDING") {
+    updateData.status = PaymentStatus.PENDING;
+    updateData.amountPayed = null;
+    updateData.paymentDate = null;
+  } else if (existing.status === PaymentStatus.PAYED) {
+    if (data.amountPayed !== undefined) {
+      updateData.amountPayed = data.amountPayed;
+    }
+    if (data.paymentDate !== undefined) {
+      updateData.paymentDate = new Date(data.paymentDate);
+    }
+  }
+
   const result = await prisma.expense.update({
     where: { id },
-    data: {
-      amount: data.amount,
-      dueDate,
-      year,
-      month,
-    },
+    data: updateData,
   });
   cache.invalidateByPrefix("expenses:");
   return result;