Add returns and claims

2026-08-25 14:47:51 +05:30
parent aa543d0d0d
commit f244a04dc0
29 changed files with 6770 additions and 34 deletions
@@ -0,0 +1,136 @@
+using Distribution.Features.Grn;
+using Distribution.Features.Po;
+using Distribution.Infra.UoW;
+using Distribution.Models;
+
+namespace Distribution.Features.SupplierClaims;
+
+public class SupplierClaimService(
+    ISupplierClaimRepository repo,
+    IPoRepository poRepo,
+    IGrnRepository grnRepo,
+    IUnitOfWork uow)
+{
+    private static SupplierClaimItemResponse MapItem(SupplierClaimItem i) =>
+        new(i.Id, i.FK_ItemId, i.Item.Sku, i.Item.Name, i.Quantity, i.IssueType);
+
+    private static SupplierClaimResponse Map(SupplierClaim c) =>
+        new(c.Id, c.FK_PurchaseOrderId, c.FK_GoodsReceiptId, c.Details, c.EvidenceUrl, c.Status,
+            c.ResolutionType, c.ResolutionAmount, c.ResolutionNotes, c.ResolvedAt, c.IsActive, c.CreatedAt,
+            c.Items.Where(i => i.IsActive).Select(MapItem).ToList());
+
+    public async Task<SupplierClaimResponse?> GetByIdAsync(Guid id)
+    {
+        var c = await repo.GetByIdAsync(id);
+        if (c is null || !c.IsActive) return null;
+        return Map(c);
+    }
+
+    public async Task<List<SupplierClaimResponse>> GetByPurchaseOrderIdAsync(Guid purchaseOrderId) =>
+        (await repo.GetByPurchaseOrderIdAsync(purchaseOrderId)).Select(Map).ToList();
+
+    public async Task<SupplierClaimResponse> CreateAsync(Guid purchaseOrderId, CreateSupplierClaimRequest request, Guid raisedByUserId, CancellationToken ct = default)
+    {
+        var po = await poRepo.GetByIdAsync(purchaseOrderId);
+        if (po is null || !po.IsActive)
+            throw new InvalidOperationException("Purchase order not found.");
+
+        if (string.IsNullOrWhiteSpace(request.Details))
+            throw new InvalidOperationException("Claim details are required.");
+
+        if (request.Items is null || request.Items.Count == 0)
+            throw new InvalidOperationException("A supplier claim must have at least one line item.");
+
+        if (request.GoodsReceiptId is not null)
+        {
+            var grn = await grnRepo.GetByIdAsync(request.GoodsReceiptId.Value)
+                ?? throw new InvalidOperationException("Goods receipt not found.");
+            if (grn.FK_PurchaseOrderId != purchaseOrderId)
+                throw new InvalidOperationException("Goods receipt does not belong to this purchase order.");
+        }
+
+        var claim = new SupplierClaim
+        {
+            FK_PurchaseOrderId = purchaseOrderId,
+            FK_GoodsReceiptId = request.GoodsReceiptId,
+            Details = request.Details,
+            EvidenceUrl = request.EvidenceUrl,
+            RaisedByUserId = raisedByUserId
+        };
+
+        foreach (var line in request.Items)
+        {
+            if (line.Quantity <= 0)
+                throw new InvalidOperationException("Claim quantity must be greater than zero.");
+
+            claim.Items.Add(new SupplierClaimItem
+            {
+                FK_ItemId = line.ItemId,
+                Quantity = line.Quantity,
+                IssueType = line.IssueType
+            });
+        }
+
+        await uow.BeginAsync(ct);
+        try
+        {
+            await repo.AddAsync(claim);
+            await uow.CommitAsync(ct);
+        }
+        catch { await uow.RollbackAsync(ct); throw; }
+
+        var saved = await repo.GetByIdAsync(claim.Id);
+        return Map(saved!);
+    }
+
+    public async Task<SupplierClaimResponse> ApproveAsync(Guid id, ApproveSupplierClaimRequest request, Guid approverId, CancellationToken ct = default)
+    {
+        var claim = await repo.GetByIdAsync(id)
+            ?? throw new KeyNotFoundException("Supplier claim not found.");
+        if (claim.Status != SupplierClaimStatus.Open)
+            throw new InvalidOperationException("Only an open claim can be approved.");
+
+        if (request.ResolutionType != SupplierClaimResolutionType.Replacement && request.ResolutionAmount is null)
+            throw new InvalidOperationException("ResolutionAmount is required for Credit, Refund, and PriceAdjustment.");
+
+        claim.Status = SupplierClaimStatus.Approved;
+        claim.ResolutionType = request.ResolutionType;
+        claim.ResolutionAmount = request.ResolutionType == SupplierClaimResolutionType.Replacement ? null : request.ResolutionAmount;
+        claim.ResolutionNotes = request.ResolutionNotes;
+        claim.ResolvedByUserId = approverId;
+        claim.ResolvedAt = DateTime.Now;
+
+        await uow.BeginAsync(ct);
+        try
+        {
+            repo.Update(claim);
+            await uow.CommitAsync(ct);
+        }
+        catch { await uow.RollbackAsync(ct); throw; }
+
+        return Map(claim);
+    }
+
+    public async Task<SupplierClaimResponse> RejectAsync(Guid id, RejectSupplierClaimRequest request, Guid approverId, CancellationToken ct = default)
+    {
+        var claim = await repo.GetByIdAsync(id)
+            ?? throw new KeyNotFoundException("Supplier claim not found.");
+        if (claim.Status != SupplierClaimStatus.Open)
+            throw new InvalidOperationException("Only an open claim can be rejected.");
+
+        claim.Status = SupplierClaimStatus.Rejected;
+        claim.ResolutionNotes = request.ResolutionNotes;
+        claim.ResolvedByUserId = approverId;
+        claim.ResolvedAt = DateTime.Now;
+
+        await uow.BeginAsync(ct);
+        try
+        {
+            repo.Update(claim);
+            await uow.CommitAsync(ct);
+        }
+        catch { await uow.RollbackAsync(ct); throw; }
+
+        return Map(claim);
+    }
+}