64 lines
2.2 KiB
C#
64 lines
2.2 KiB
C#
using Pilz.Data;
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using Pilz.Extensions.Reflection;
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using Pilz.Net.Extensions;
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using System.Diagnostics;
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using System.Net;
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namespace Pilz.Net.Api.Server;
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public abstract class BaseChildItemHandler<TEntity, TParent, TUpdateMsg>(IApiServer server)
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: BaseHandler<TEntity, TUpdateMsg>(server)
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where TEntity : class, IDataObject
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where TParent : class, IDataObject
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where TUpdateMsg : ApiMessage
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{
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public class ChildEntityUpdate(TEntity entity, TParent parent, TUpdateMsg updateMsg, ApiRequestInfo reqest) : EntityUpdate(entity, updateMsg, reqest)
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{
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public TParent Parent { get; } = parent;
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}
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protected virtual bool RegisterGetAll => true;
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protected virtual bool RegisterPost => true;
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public override void Initialize(IApiServer server)
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{
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base.Initialize(server);
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var t = GetType();
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if (RegisterGetAll)
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server.RegisterHandler(t.GetMethod(nameof(GetAll))!.CreateDelegate(this), new(Route, "GET"), Debugger.IsAttached);
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if (RegisterPost)
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server.RegisterHandler(t.GetMethod(nameof(Post))!.CreateDelegate(this), new(Route, "POST"), Debugger.IsAttached);
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}
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public virtual ApiResult GetAll(int parent)
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{
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IQueryable<TEntity> list;
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if (parent != 0 && server.Manager.Find(parent, out TParent? parentEntity))
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list = GetChilds(parentEntity).AsQueryable();
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else
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list = server.Manager.Get<TEntity>();
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return list.ToList().Select(ToClient).ToItemsResult();
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}
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public virtual ApiResult Post(int parent, TUpdateMsg msg, ApiRequestInfo req)
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{
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if (!server.Manager.Find(parent, out TParent? parentEntity))
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return ApiResult.NotFound();
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var entity = CreateNewEntity(msg, parentEntity);
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if (UpdateEntity(new ChildEntityUpdate(entity, parentEntity, msg, req)) is ApiResult result)
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return result;
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GetChilds(parentEntity).Add(entity);
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server.Manager.Save(parentEntity, true);
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return ToClient(entity).ToItemResult(HttpStatusCode.Created);
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}
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protected virtual TEntity CreateNewEntity(TUpdateMsg msg, TParent parent)
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{
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return CreateNewEntity(msg);
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}
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public abstract IList<TEntity> GetChilds(TParent parent);
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}
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