refactor: replace direct Prisma calls with service layer methods for banking operations

app/api/banking/accounts/route.ts

@@ -1,24 +1,11 @@
 import { NextResponse } from "next/server"
-import { prisma } from "@/lib/prisma"
+import { accountService } from "@/services/account.service"
 import type { Account } from "@/lib/types"
 
 export async function POST(request: Request) {
   try {
-    const account: Omit<Account, "id"> = await request.json()
-
-    const created = await prisma.account.create({
-      data: {
-        name: account.name,
-        bankId: account.bankId,
-        accountNumber: account.accountNumber,
-        type: account.type,
-        folderId: account.folderId,
-        balance: account.balance,
-        currency: account.currency,
-        lastImport: account.lastImport,
-      },
-    })
-
+    const data: Omit<Account, "id"> = await request.json()
+    const created = await accountService.create(data)
     return NextResponse.json(created)
   } catch (error) {
     console.error("Error creating account:", error)
@@ -29,21 +16,7 @@ export async function POST(request: Request) {
 export async function PUT(request: Request) {
   try {
     const account: Account = await request.json()
-
-    const updated = await prisma.account.update({
-      where: { id: account.id },
-      data: {
-        name: account.name,
-        bankId: account.bankId,
-        accountNumber: account.accountNumber,
-        type: account.type,
-        folderId: account.folderId,
-        balance: account.balance,
-        currency: account.currency,
-        lastImport: account.lastImport,
-      },
-    })
-
+    const updated = await accountService.update(account.id, account)
     return NextResponse.json(updated)
   } catch (error) {
     console.error("Error updating account:", error)
@@ -60,15 +33,10 @@ export async function DELETE(request: Request) {
       return NextResponse.json({ error: "Account ID is required" }, { status: 400 })
     }
 
-    // Transactions will be deleted automatically due to onDelete: Cascade
-    await prisma.account.delete({
-      where: { id },
-    })
-
+    await accountService.delete(id)
     return NextResponse.json({ success: true })
   } catch (error) {
     console.error("Error deleting account:", error)
     return NextResponse.json({ error: "Failed to delete account" }, { status: 500 })
   }
 }
-