public async Task deleteSkillAsync(int skillId)
{
Skill skillFromRepository = await retrieveSkillAsync(skillId);
if (skillFromRepository == null)
{
throw new NotFoundBusinessEntityException($"The skill {skillId} doesn't exist.");
}
FakeDataBase.getInstance().Skills.Remove(await retrieveSkillAsync(skillId));
}
public async Task deleteContactAsync(int id)
{
Contact contactToDelete = await retrieveContactAsync(id);
if (contactToDelete == null)
{
throw new NotFoundBusinessEntityException($"The contact {id} doesn't exist.");
}
FakeDataBase.getInstance().Contacts.Remove(await retrieveContactAsync(id));
}
public async Task <Skill> createSkillAsync(Skill skill)
{
Skill skillFromRepository = await retrieveSkillAsync(skill.Id);
if (skillFromRepository != null)
{
throw new BusinnessDomainException($"The contact {skill.Id} already exists");
}
FakeDataBase.getInstance().Skills.Add(
new Skill
{
Id = skill.Id,
Name = skill.Name,
Level = skill.Level
}
);
return(await retrieveSkillAsync(skill.Id));
}
public async Task <Contact> createContactAsync(Contact contact)
{
Contact contactFromRepository = await retrieveContactAsync(contact.Id);
if (contactFromRepository != null)
{
throw new BusinnessDomainException($"The contact {contact.Id} already exists");
}
FakeDataBase.getInstance().Contacts.Add(
new Contact
{
Id = contact.Id,
FirstName = contact?.FirstName,
LastName = contact?.LastName,
Address = contact?.Address,
Email = contact?.Email
}
);
return(await retrieveContactAsync(contact.Id));
}
public Contact removeSkillFromContact(int skillId, int contactId)
{
Skill skill = FakeDataBase.getInstance().Skills.FirstOrDefault <Skill>(s => s.Id == skillId);
if (skill == null)
{
throw new BusinnessDomainException($"The skill {skillId} does not exist");
}
Contact contact = FakeDataBase.getInstance().Contacts.FirstOrDefault <Contact>(c => c.Id == contactId);
if (contact == null)
{
throw new BusinnessDomainException($"The contact {contactId} does not exist");
}
if (contact.Skills.Contains(skill))
{
contact.Skills.Remove(skill);
}
return(contact);
}
public async Task <long> longCountAsync() => await FakeDataBase.getInstance().Contacts.ToAsyncEnumerable <Contact>().LongCount <Contact>();
public async Task <Contact> retrieveContactAsync(int id) => await FakeDataBase.getInstance().Contacts.ToAsyncEnumerable().SingleOrDefault(m => m.Id == id);
public Task <IEnumerable <Contact> > retrieveAllContactsAsync() => Task <long> .Run(() => FakeDataBase.getInstance().Contacts.AsEnumerable <Contact>());
public async Task <long> longCountAsync() => await FakeDataBase.getInstance().Skills.ToAsyncEnumerable <Skill>().LongCount <Skill>();
public async Task <Skill> retrieveSkillAsync(int id) => await FakeDataBase.getInstance().Skills.ToAsyncEnumerable().SingleOrDefault(m => m.Id == id);
public Task <IEnumerable <Skill> > retrieveAllSkillsAsync() => Task <long> .Run(() => FakeDataBase.getInstance().Skills.AsEnumerable <Skill>());
