native amount/offset handling

Pilz.Net/Api/Client/BaseChildItemClient.cs

@@ -14,6 +14,15 @@ public abstract class BaseChildItemClient<T>(IApiClient client) : BaseClient<T>(
         return (await client.SendRequest<GeneralItemMessages<T>.Items>($"{ApiEndpointParent}/{parentId}{ApiEndpointChild}", HttpMethod.Get)).EnsureOk().Items;
     }
 
+    public virtual async Task<IEnumerable<T>> GetAll(int parentId, int offset, int count)
+    {
+        return (await client.SendRequest<GeneralItemMessages<T>.Items>(ApiEndpoint, HttpMethod.Get, new ApiParameterCollection
+        {
+            ["offset"] = offset,
+            ["count"] = count,
+        })).EnsureOk().Items;
+    }
+
     public override async Task<T> Save(T item)
     {
         if (item.Id == 0)

Pilz.Net/Api/Client/BaseClient.cs

@@ -12,6 +12,15 @@ public abstract class BaseClient<T>(IApiClient client) : IBaseClient<T> where T
         return (await client.SendRequest<GeneralItemMessages<T>.Items>(ApiEndpoint, HttpMethod.Get)).EnsureOk().Items;
     }
 
+    public virtual async Task<IEnumerable<T>> GetAll(int offset, int amount)
+    {
+        return (await client.SendRequest<GeneralItemMessages<T>.Items>(ApiEndpoint, HttpMethod.Get, new ApiParameterCollection
+        {
+            ["offset"] = offset,
+            ["amount"] = amount,
+        })).EnsureOk().Items;
+    }
+
     public virtual async Task<T> Get(int id)
     {
         return (await client.SendRequest<GeneralItemMessages<T>.Item>($"{ApiEndpoint}/{id}", HttpMethod.Get)).EnsureOk().Item;

Pilz.Net/Api/Client/IBaseChildItemClient.cs

@@ -5,5 +5,6 @@ namespace Pilz.Net.Api.Client;
 public interface IBaseChildItemClient<T> : IBaseClient<T> where T : IDataObject
 {
     Task<IEnumerable<T>> GetAll(int parentId);
+    Task<IEnumerable<T>> GetAll(int parentId, int offset, int count);
     Task<T> Save(T item, int parentId);
 }

Pilz.Net/Api/Client/IBaseClient.cs

@@ -7,5 +7,6 @@ public interface IBaseClient<T> where T : IDataObject
     Task Delete(int id);
     Task<T> Get(int id);
     Task<IEnumerable<T>> GetAll();
+    Task<IEnumerable<T>> GetAll(int offset, int amount);
     Task<T> Save(T item);
 }