Created
July 9, 2025 10:54
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InMemoryQuestionnaireService a CRUD for an inmemory C# application that I realised I don't need
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using LifeTracker.Dto; | |
using LifeTracker.Models; | |
namespace LifeTracker.Services; | |
public class InMemoryQuestionnaireService : IQuestionnaireService | |
{ | |
List<Questionnaire> _questionnaires { get; } = new List<Questionnaire>(); | |
public InMemoryQuestionnaireService() | |
{ | |
} | |
public Task<List<Questionnaire>> GetAllAsync() | |
{ | |
return Task.FromResult(_questionnaires.ToList()); | |
} | |
public Task<Questionnaire?> GetAsync(int questionnaireId) => Task.FromResult(_questionnaires.FirstOrDefault(x => x.Id == questionnaireId)); | |
public Task<Questionnaire> CreateAsync(CreateQuestionnaireDto createQuestionnaireDto) | |
{ | |
List<Questionnaire> questionnaires = _questionnaires.ToList(); | |
int maxId = questionnaires.Any() ? questionnaires.Max(q => q.Id) : 0; | |
Questionnaire questionnaire = new Questionnaire | |
{ | |
Id = maxId, | |
Name = createQuestionnaireDto.Name, | |
CreatedBy = createQuestionnaireDto.CreatedBy, | |
}; | |
_questionnaires.Add(questionnaire); | |
return Task.FromResult<Questionnaire>(questionnaire); | |
} | |
public Task<Questionnaire?> UpdateAsync(int id, UpdateQuestionnaireDto updateQuestionnaireDto) | |
{ | |
int index = _questionnaires.FindIndex(questionnaire => id == questionnaire.Id); | |
if (index > -1) | |
{ | |
_questionnaires[index] = new Questionnaire | |
{ | |
Id = id, | |
Name = updateQuestionnaireDto.Name, | |
CreatedBy = _questionnaires[index].CreatedBy | |
}; | |
return Task.FromResult<Questionnaire?>(_questionnaires[index]); | |
} | |
else | |
{ | |
Console.WriteLine("Failed to find the questionnaire"); | |
return Task.FromResult<Questionnaire?>(null); | |
} | |
} | |
public Task<bool> DeleteAsync(int questionnaireId) | |
{ | |
Questionnaire? questionnaire = _questionnaires.Find(questionnaire => questionnaire.Id == questionnaireId); | |
if (questionnaire != null) | |
{ | |
_questionnaires.Remove(questionnaire); | |
return Task.FromResult(true); | |
} | |
else | |
{ | |
Console.WriteLine("Failed to find the questionnaire"); | |
return Task.FromResult(false); | |
} | |
} | |
} |
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