public Issue GetComic(int id)
{
Issue result = null;
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var issue = context.Comics.Where(x => x.Id_Comic == id).ToList().FirstOrDefault();
var mapper = new MyNextComicMapper();
result = mapper.MapIssue(issue);
}
catch (DbEntityValidationException e)
{
}
context.Dispose();
scope.Complete();
}
return(result);
}
public double GetUserRating(string userName, int comicId)
{
double result = 0;
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var userId = context.Users.Where(x => x.Username == userName).FirstOrDefault().Id;
var values = context.Preferences.Where(x => x.ItemID == comicId && x.UserID == userId).Select(x => x.Value).ToList();
if (values.Count > 0)
{
result = values.Average();
}
}
catch (DbEntityValidationException e)
{
}
context.Dispose();
scope.Complete();
}
return(result);
}
public bool InsertComics()
{
var result = false;
try
{
var totalCalls = 670;
var startingOffset = 116400;
var numberOfCalls = 10;
var limit = 100;
for (int i = 0; i < totalCalls; i++)
{
var issues = GetAllComics(numberOfCalls, startingOffset, limit);
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var mapper = new MyNextComicMapper();
int count = 0;
foreach (var issue in issues)
{
++count;
context = AddToContext(context, mapper.MapComic(issue), count, 100, true);
}
context.SaveChanges();
}
catch (DbEntityValidationException e)
{
}
finally
{
if (context != null)
{
context.Dispose();
}
}
scope.Complete();
}
result = true;
startingOffset = startingOffset + (numberOfCalls * limit);
}
}
catch (Exception ex)
{
result = false;
}
return(result);
}
public User GetUserData(string userName)
{
var result = new User();
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var storedUser = context.Users.Where(x => x.Username == userName).FirstOrDefault();
if (storedUser != null)
{
result.UserId = storedUser.Id;
result.UserName = storedUser.Username;
result.Email = storedUser.Email;
result.IsAdmin = storedUser.IsAdmin ?? false;
var preferences = context.Preferences.Where(x => x.UserID == storedUser.Id).ToList();
var comicsIds = preferences.Select(x => x.ItemID).ToList();
if (preferences.Count() > 0)
{
var ratedComics = context.Comics.Where(x => comicsIds.Any(y => x.Id_Comic == y)).ToList();
var mapper = new MyNextComicMapper();
var issues = new List <Issue>();
foreach (var comic in ratedComics)
{
var issue = mapper.MapIssue(comic);
issue.Rating = preferences.Where(x => x.ItemID == comic.Id_Comic).FirstOrDefault().Value;
issues.Add(issue);
}
result.ComicList = issues.AsEnumerable();
}
}
else
{
context.Dispose();
}
}
catch (DbEntityValidationException e)
{
}
scope.Complete();
}
return(result);
}
public List <Issue> GetComics(string searchString, int genre, List <int> ids)
{
var result = new List <Issue>();
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var comics = new List <Comics>();
if (!string.IsNullOrEmpty(searchString))
{
comics = context.Comics.Where(x => x.Name.ToLower().Contains(searchString.ToLower())).OrderBy(x => x.Id).ToList();
}
else if (ids.Count() > 0)
{
comics = context.Comics.Where(x => ids.Contains(x.Id_Comic)).ToList();
}
else
{
comics = context.Comics.OrderBy(x => x.Id).ToList();
}
if (genre != 0)
{
comics = comics.Where(x => x.Genre == genre).ToList();
}
var mapper = new MyNextComicMapper();
foreach (var comic in comics)
{
result.Add(mapper.MapIssue(comic));
}
}
catch (DbEntityValidationException e)
{
}
context.Dispose();
scope.Complete();
}
return(result);
}
public UserServiceResponse InsertUser(User user)
{
var result = new UserServiceResponse();
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
if (!(context.Users.Any(x => x.Username == user.UserName)))
{
var Id = context.Users.OrderByDescending(x => x.Id).Select(x => x.Id).First();
context.Users.Add(new Users()
{
Id = Id + 1,
Username = user.UserName,
Password = HashPassword(user.Password),
Email = user.Email
});
context.SaveChanges();
context.Dispose();
result.Success = true;
result.ErrorMessage = "";
}
else
{
context.Dispose();
result.Success = false;
result.ErrorMessage = "El nombre de usuario ingresado no se encuentra disponible";
}
}
catch (DbEntityValidationException e)
{
result.Success = false;
result.ErrorMessage = e.Message;
}
scope.Complete();
}
return(result);
}
public bool SaveUserRating(string userName, int comicId, double value)
{
bool result = false;
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var userId = context.Users.Where(x => x.Username == userName).FirstOrDefault().Id;
var preference = context.Preferences.Where(x => x.UserID == userId && x.ItemID == comicId).FirstOrDefault();
if (preference != null)
{
preference.Value = value;
context.Preferences.Attach(preference);
var entry = context.Entry(preference);
entry.Property(e => e.Value).IsModified = true;
context.SaveChanges();
}
else
{
context.Preferences.Add(new Preferences()
{
ItemID = comicId,
UserID = userId,
Value = value
});
context.SaveChanges();
}
result = true;
}
catch (DbEntityValidationException e)
{
}
context.Dispose();
scope.Complete();
}
return(result);
}
public UserServiceResponse LogInUser(User user)
{
var result = new UserServiceResponse();
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var storedUser = context.Users.Where(x => x.Username == user.UserName).FirstOrDefault();
if (storedUser != null)
{
if (VerifyPassword(storedUser.Password, user.Password))
{
result.Success = true;
result.ErrorMessage = "";
}
else
{
result.Success = false;
result.ErrorMessage = "Contraseña inválida";
}
}
else
{
context.Dispose();
result.Success = false;
result.ErrorMessage = "No se encontró ningun usuario con ese nombre";
}
}
catch (DbEntityValidationException e)
{
result.Success = false;
result.ErrorMessage = e.Message;
}
scope.Complete();
}
return(result);
}
public List <Issue> GetTopComics()
{
var result = new List <Issue>();
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var comics = new List <Issue>();
var preSelection = context.Preferences.OrderBy(x => Guid.NewGuid()).Take(8).ToList();
var Ids = preSelection.Select(x => x.ItemID).ToList();
var comicsData = context.Comics.Where(x => Ids.Any(y => x.Id_Comic == y)).ToList();
var mapper = new MyNextComicMapper();
foreach (var comic in preSelection)
{
var mappedComic = mapper.MapIssue(comicsData.Where(x => x.Id_Comic == comic.ItemID).FirstOrDefault());
mappedComic.Rating = Math.Round(comic.Value, 0, MidpointRounding.AwayFromZero);
comics.Add(mappedComic);
}
result = comics;
}
catch (DbEntityValidationException e)
{
}
context.Dispose();
scope.Complete();
}
return(result);
}
public List <Genre> GetGenres(int?genreId = null)
{
List <Genre> result = new List <Genre>();
using (TransactionScope scope = new TransactionScope())
{
MyNextComicEntities context = null;
try
{
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
var mapper = new MyNextComicMapper();
if (genreId == null)
{
var generos = context.Genres.ToList();
foreach (var genre in generos)
{
result.Add(mapper.MapGenre(genre));
}
}
else
{
var genre = context.Genres.Where(x => x.IdGenre == genreId).ToList().FirstOrDefault();
result.Add(mapper.MapGenre(genre));
}
}
catch (DbEntityValidationException e)
{
}
context.Dispose();
scope.Complete();
}
return(result);
}
private MyNextComicEntities AddToContext(MyNextComicEntities context, Comics issue, int count, int commitCount, bool recreateContext)
{
if (!(context.Comics.Any(x => x.Id_Comic == issue.Id_Comic)))
{
context.Comics.Add(issue);
}
//context.SaveChanges();
//context.Set<Comics>().Add(issue);
if (count % commitCount == 0)
{
context.SaveChanges();
if (recreateContext)
{
context.Dispose();
context = new MyNextComicEntities();
context.Configuration.AutoDetectChangesEnabled = false;
}
}
return(context);
}
