public Dictionary <string, string> TryUpdate(Guid characterId, CharacterUpdateForm characterForm)
{
var updatedCharacter = _characters.SingleOrDefault(x => x.Id == characterId);
var errors = new Dictionary <string, string>();
if (updatedCharacter is null)
{
errors.Add(nameof(Character), $"Character with {characterId} does not exist.");
}
if (_characters.Any(x => x.Id != characterId && x.Name == characterForm.Name))
{
errors.Add(nameof(characterForm.Name), $"Character with {characterForm.Name} does exist, can't have doppelgangers.");
}
if (characterForm.Friends.Any(x => _characters.All(y => y.Id != x)))
{
errors.Add(nameof(characterForm.Friends), $"Some of provided friends do not exist.");
}
if (errors.Any())
{
return(errors);
}
updatedCharacter.Name = characterForm.Name;
updatedCharacter.Episodes = new Episodes(Episode.List.Where(x => characterForm.Episodes.Contains(x.Value)).ToArray());
updatedCharacter.Friends = new Friends(_characters.Where(x => characterForm.Friends.Contains(x.Id)).ToArray());
return(new Dictionary <string, string>());
}
public async Task <IActionResult> Patch([FromRoute] Guid characterId, [FromBody] CharacterUpdateForm characterForm)
{
var updateResult = await _mediator.Send(new CharacterUpdateCommand(characterId, characterForm));
if (updateResult.IsSuccessful)
{
return(Ok(updateResult));
}
if (updateResult.Errors.ContainsKey("Not Found"))
{
return(NotFound(updateResult));
}
return(BadRequest(updateResult));
}
public CharacterUpdateCommand(Guid characterId, CharacterUpdateForm characterUpdateForm)
{
CharacterId = characterId;
CharacterUpdateForm = characterUpdateForm;
}
public Dictionary <string, string> TryUpdate(Guid characterId, CharacterUpdateForm characterForm)
{
var chr =
this
.Characters
.Include(x => x.Episodes)
.Include(x => x.Friends)
.FirstOrDefault(x => x.Id == characterId);
if (chr is null)
{
return(new Dictionary <string, string> {
{ nameof(Character), "Character does not exist" }
});
}
try
{
chr.Name = characterForm.Name;
var currentFriends = this.CharacterFriends.Where(x => x.CharacterId == chr.Id).ToList();
var toDelete =
currentFriends
.Where(x => !characterForm.Friends.Contains(x.FriendId))
.ToList();
var toAdd =
characterForm
.Friends
.Where(x => !currentFriends.Select(y => y.FriendId).Contains(x))
.Select(x =>
new CharacterFriend
{
CharacterId = chr.Id,
FriendId = x,
})
.ToList();
this.CharacterFriends.RemoveRange(toDelete);
this.CharacterFriends.AddRange(toAdd);
var currentEpisodes = this.CharacterEpisodes.Where(x => x.CharacterId == chr.Id).ToList();
var episodesToDelete =
currentEpisodes
.Where(x => !characterForm.Episodes.Contains(x.Episode.Value))
.ToList();
var episodesToAdd =
characterForm
.Episodes
.Where(x => !currentEpisodes.Select(y => y.Episode.Value).Contains(x))
.Select(x =>
new CharacterEpisode
{
CharacterId = chr.Id,
Episode = Episode.FromValue(x),
})
.ToList();
this.CharacterEpisodes.RemoveRange(episodesToDelete);
this.CharacterEpisodes.AddRange(episodesToAdd);
SaveChanges();
return(new Dictionary <string, string>());
}
catch (Exception ex)
{
return(new Dictionary <string, string> {
{ "database error", ex.Message }
});
}
}
