From 76d385e235ff029f376c0819f37246801377c9ae Mon Sep 17 00:00:00 2001
From: Pilzinsel64 <pascal.schedel@dr-schneider.com>
Date: Tue, 24 Jun 2025 07:36:00 +0200
Subject: [PATCH] add ids filter

---
 Pilz.Net/Api/Server/BaseChildItemHandler.cs |  4 ++--
 Pilz.Net/Api/Server/BaseHandler.cs          | 10 ++++++++++
 Pilz.Net/Api/Server/BaseItemHandler.cs      |  4 ++--
 3 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/Pilz.Net/Api/Server/BaseChildItemHandler.cs b/Pilz.Net/Api/Server/BaseChildItemHandler.cs
index 4d3e0c1..668dfb4 100644
--- a/Pilz.Net/Api/Server/BaseChildItemHandler.cs
+++ b/Pilz.Net/Api/Server/BaseChildItemHandler.cs
@@ -45,7 +45,7 @@ public abstract class BaseChildItemHandler<TEntity, TParent, TUpdateMsg>(IApiSer
             server.RegisterHandler(t.GetMethod(nameof(Post))!.CreateDelegate(this), new(RouteParent + "/{pid}" + RouteChild, "POST"), Debugger.IsAttached);
     }
 
-    public virtual ApiResult GetAll(int pid, int offset, int amount)
+    public virtual ApiResult GetAll(int pid, string? ids, int offset, int amount)
     {
         IQueryable<TEntity> entities;
 
@@ -58,7 +58,7 @@ public abstract class BaseChildItemHandler<TEntity, TParent, TUpdateMsg>(IApiSer
         else
             entities = server.Manager.Get<TEntity>();
 
-        entities = SortEntities(entities);
+        entities = SortEntities(FilterByIDs(entities, ids));
 
         if (offset > 0)
             entities = entities.Skip(offset);
diff --git a/Pilz.Net/Api/Server/BaseHandler.cs b/Pilz.Net/Api/Server/BaseHandler.cs
index 828464d..8f598e5 100644
--- a/Pilz.Net/Api/Server/BaseHandler.cs
+++ b/Pilz.Net/Api/Server/BaseHandler.cs
@@ -79,6 +79,16 @@ public abstract class BaseHandler<TEntity, TUpdateMsg>(IApiServer server)
         return Activator.CreateInstance<TEntity>();
     }
 
+    protected virtual IQueryable<TEntity> FilterByIDs(IQueryable<TEntity> entities, string? idsStr)
+    {
+        if (idsStr != null)
+        {
+            var ids = idsStr.Split(',').Select(n => int.TryParse(n, out var v) ? v : default);
+            return entities.Where(n => ids.Contains(n.Id));
+        }
+        return entities;
+    }
+
     protected abstract ApiResult? UpdateEntity(EntityUpdate update);
 
     protected abstract IDataObject ToClient(TEntity entity);
diff --git a/Pilz.Net/Api/Server/BaseItemHandler.cs b/Pilz.Net/Api/Server/BaseItemHandler.cs
index 08ef5d3..eeb5e75 100644
--- a/Pilz.Net/Api/Server/BaseItemHandler.cs
+++ b/Pilz.Net/Api/Server/BaseItemHandler.cs
@@ -24,9 +24,9 @@ public abstract class BaseItemHandler<TEntity, TUpdateMsg>(IApiServer server)
             server.RegisterHandler(t.GetMethod(nameof(Post))!.CreateDelegate(this), new(Route, "POST"), Debugger.IsAttached);
     }
 
-    public virtual ApiResult GetAll(int offset, int amount)
+    public virtual ApiResult GetAll(string? ids, int offset, int amount)
     {
-        var entities = SortEntities(server.Manager.Get<TEntity>());
+        var entities = SortEntities(FilterByIDs(server.Manager.Get<TEntity>(), ids));
         if (offset > 0)
             entities = entities.Skip(offset);
         if (amount > 0)