Implement GetAll and Update functionality for Supplier Claims

Distribution/Features/SupplierClaims/SupplierClaimService.cs

@@ -26,6 +26,9 @@ public class SupplierClaimService(
         return Map(c);
     }
 
+    public async Task<List<SupplierClaimResponse>> GetAllAsync() =>
+        (await repo.GetAllAsync()).Select(Map).ToList();
+
     public async Task<List<SupplierClaimResponse>> GetByPurchaseOrderIdAsync(Guid purchaseOrderId) =>
         (await repo.GetByPurchaseOrderIdAsync(purchaseOrderId)).Select(Map).ToList();
 
@@ -83,6 +86,44 @@ public class SupplierClaimService(
         return Map(saved!);
     }
 
+    public async Task<SupplierClaimResponse> UpdateAsync(Guid id, UpdateSupplierClaimRequest request, CancellationToken ct = default)
+    {
+        var claim = await repo.GetByIdAsync(id)
+            ?? throw new InvalidOperationException("Supplier claim not found.");
+        if (claim.Status != SupplierClaimStatus.Open)
+            throw new InvalidOperationException("Only an open claim can be edited.");
+        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.");
+
+        claim.Details = request.Details;
+        claim.EvidenceUrl = request.EvidenceUrl;
+
+        foreach (var existing in claim.Items.Where(i => i.IsActive))
+            existing.IsActive = false;
+
+        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 { repo.Update(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)