Simplify command imports in EmailTemplateController

Replaced specific Update command import with general Commands namespace import to streamline access to all command classes. No functional changes made.

EnvelopeGenerator.Application/EmailTemplates/Commands/UpdateEmailTemplateCommand.cs

@@ -0,0 +1,92 @@
+using AutoMapper;
+using DigitalData.Core.Abstraction.Application.Repository;
+using DigitalData.Core.Exceptions;
+using MediatR;
+using System.Text.Json.Serialization;
+using EnvelopeGenerator.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+using EnvelopeGenerator.Domain.Constants;
+using EnvelopeGenerator.Application.Common.Dto;
+
+namespace EnvelopeGenerator.Application.EmailTemplates.Commands.Update;
+
+/// <summary>
+/// Befehl zum Aktualisieren einer E-Mail-Vorlage.
+/// </summary>
+/// <param name="Body">
+/// (Optional)Der neue Inhalt des E-Mail-Textkörpers. Wenn null, bleibt der vorhandene Inhalt unverändert.
+/// </param>
+/// <param name="Subject">
+/// (Optional) Der neue Betreff der E-Mail. Wenn null, bleibt der vorhandene Betreff unverändert.
+/// </param>
+public record UpdateEmailTemplateCommand(string? Body = null, string? Subject = null) : IRequest
+{
+    /// <param>
+    /// Die Abfrage, die die E-Mail-Vorlage darstellt, die aktualisiert werden soll.
+    /// </param>
+    [JsonIgnore]
+    public EmailTemplateQueryBase? EmailTemplateQuery { get; set; }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    [JsonIgnore]
+    public DateTime ChangedWhen { get; init; } = DateTime.Now;
+}
+
+/// <summary>
+/// 
+/// </summary>
+public class UpdateEmailTemplateCommandHandler : IRequestHandler<UpdateEmailTemplateCommand>
+{
+    private readonly IRepository<EmailTemplate> _repository;
+
+    private readonly IMapper _mapper;
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="repository"></param>
+    /// <param name="mapper"></param>
+    public UpdateEmailTemplateCommandHandler(IRepository<EmailTemplate> repository, IMapper mapper)
+    {
+        _repository = repository;
+        _mapper = mapper;
+    }
+
+    /// <summary>
+    /// 
+    /// </summary>
+    /// <param name="request"></param>
+    /// <param name="cancel"></param>
+    /// <returns></returns>
+    /// <exception cref="InvalidOperationException"></exception>
+    /// <exception cref="NotFoundException"></exception>
+    [Obsolete("Use Read-method returning IReadQuery<TEntity> instead.")]
+    public async Task Handle(UpdateEmailTemplateCommand request, CancellationToken cancel)
+    {
+        EmailTemplateDto? tempDto;
+
+        if (request.EmailTemplateQuery?.Id is int id)
+        {
+            var temp = await _repository.ReadOnly().Where(t => t.Id == id).FirstOrDefaultAsync(cancel);
+            tempDto = _mapper.Map<EmailTemplateDto>(temp);
+        }
+        else if (request!.EmailTemplateQuery!.Type is EmailTemplateType type)
+        {
+            var temp = await _repository.ReadOnly().Where(t => t.Name == type.ToString()).FirstOrDefaultAsync(cancel);
+            tempDto = _mapper.Map<EmailTemplateDto>(temp);
+        }
+        else
+        {
+            throw new InvalidOperationException("Both id and type is null. Id: " + request.EmailTemplateQuery.Id + ". Type: " + request.EmailTemplateQuery.Type.ToString());
+        }
+
+        if (tempDto == null)
+        {
+            throw new NotFoundException();
+        }
+
+        await _repository.UpdateAsync(tempDto, t => t.Id == tempDto.Id, cancel);
+    }
+}