hitting the performer

src/Yavsc.Api.Client/BillingApiClient.cs

@@ -1,7 +1,9 @@
 using System;
+using System.Collections.Generic;
 using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
+using Yavsc.Models.Haircut;
 
 namespace Yavsc.Api.Client;
 
@@ -38,5 +40,34 @@ public sealed class BillingApiClient
             ct: ct);
     }
 
+    public Task<List<HairPrestationDto>> GetHairPrestationsAsync(string billingCode, CancellationToken ct = default)
+    {
+        if (string.IsNullOrWhiteSpace(billingCode))
+            throw new ArgumentException("Billing code is required.", nameof(billingCode));
+
+        return _api.CallAsync<List<HairPrestationDto>>(
+            HttpMethod.Get,
+            Absolute($"{PathPrefix}/{Uri.EscapeDataString(billingCode)}/prestations"),
+            ct: ct);
+    }
+
+    public async Task<List<BillingQuerySummaryDto>> GetQuerySummariesAsync(string billingCode, CancellationToken ct = default)
+    {
+        if (string.IsNullOrWhiteSpace(billingCode))
+            throw new ArgumentException("Billing code is required.", nameof(billingCode));
+
+        var items = await _api.CallAsync<List<BillingQuerySummaryDto>>(
+            HttpMethod.Get,
+            Absolute($"{PathPrefix}/{Uri.EscapeDataString(billingCode)}"),
+            ct: ct) ?? new List<BillingQuerySummaryDto>();
+
+        foreach (var item in items)
+        {
+            item.BillingCode = billingCode;
+        }
+
+        return items;
+    }
+
     private string Absolute(string relativePath) => new Uri(_baseAddress, relativePath).ToString();
 }