Initial commit

src/app/api/pos/sales/[id]/route.ts

@@ -0,0 +1,165 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { db } from '@/lib/db'
+import { StatutVente } from '@prisma/client'
+
+// GET /api/pos/sales/[id] - Get a specific sale
+export async function GET(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await params
+    const sale = await db.vente.findUnique({
+      where: { id: id },
+      include: {
+        client: true,
+        employe: true,
+        lignes: {
+          include: {
+            produit: true
+          }
+        },
+        paiements: true,
+        fichiers: true
+      }
+    })
+
+    if (!sale) {
+      return NextResponse.json(
+        { error: 'Sale not found' },
+        { status: 404 }
+      )
+    }
+
+    return NextResponse.json(sale)
+  } catch (error) {
+    console.error('Error fetching sale:', error)
+    return NextResponse.json(
+      { error: 'Failed to fetch sale' },
+      { status: 500 }
+    )
+  }
+}
+
+// PATCH /api/pos/sales/[id] - Update sale status
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await params
+    const body = await request.json()
+    const { statut, notes } = body
+
+    // Validate status
+    if (statut && !Object.values(StatutVente).includes(statut)) {
+      return NextResponse.json(
+        { error: 'Invalid status value' },
+        { status: 400 }
+      )
+    }
+
+    // Check if sale exists
+    const existingSale = await db.vente.findUnique({
+      where: { id: id }
+    })
+
+    if (!existingSale) {
+      return NextResponse.json(
+        { error: 'Sale not found' },
+        { status: 404 }
+      )
+    }
+
+    // Update sale
+    const updatedSale = await db.vente.update({
+      where: { id: id },
+      data: {
+        ...(statut && { statut }),
+        ...(notes !== undefined && { notes })
+      },
+      include: {
+        client: true,
+        lignes: {
+          include: {
+            produit: true
+          }
+        },
+        paiements: true
+      }
+    })
+
+    return NextResponse.json(updatedSale)
+  } catch (error) {
+    console.error('Error updating sale:', error)
+    return NextResponse.json(
+      { error: 'Failed to update sale' },
+      { status: 500 }
+    )
+  }
+}
+
+// DELETE /api/pos/sales/[id] - Cancel/Delete a sale
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await params
+    // Check if sale exists
+    const existingSale = await db.vente.findUnique({
+      where: { id: id },
+      include: {
+        lignes: true
+      }
+    })
+
+    if (!existingSale) {
+      return NextResponse.json(
+        { error: 'Sale not found' },
+        { status: 404 }
+      )
+    }
+
+    // If sale is already paid, we can't delete it, only cancel
+    if (existingSale.statut === StatutVente.PAYEE) {
+      // Update status to ANNULEE
+      const cancelledSale = await db.vente.update({
+        where: { id: id },
+        data: {
+          statut: StatutVente.ANNULEE
+        }
+      })
+
+      return NextResponse.json(cancelledSale)
+    }
+
+    // If sale is not paid, we can delete it and restore stock
+    await db.$transaction(async (tx) => {
+      // Restore product stock
+      for (const ligne of existingSale.lignes) {
+        await tx.produit.update({
+          where: { id: ligne.produitId },
+          data: {
+            stock: {
+              increment: ligne.quantite
+            }
+          }
+        })
+      }
+
+      // Delete sale (cascade will delete lines and payments)
+      await tx.vente.delete({
+        where: { id: id }
+      })
+    })
+
+    return NextResponse.json({ message: 'Sale deleted successfully' })
+  } catch (error) {
+    console.error('Error deleting sale:', error)
+    return NextResponse.json(
+      { error: 'Failed to delete sale' },
+      { status: 500 }
+    )
+  }
+}