public async Task <bool> TagMovie(TaggingDTO taggingDTO)
{
if (!_repo.MovieExists(taggingDTO.MovieId))
{
ApiHelper.MovieObject movieObject = await ApiHelper.ApiProcessor
.LoadMovieAsync(taggingDTO.MovieId);
if (movieObject == null)
{
return(false);
}
MovieDTO movieDTO = Mapper.MovieObjectToMovieDTO(movieObject);
if (!(await CreateMovie(movieDTO)))
{
return(false);
}
}
MovieTagUser movieTagUser = new MovieTagUser();
movieTagUser.ImdbId = taggingDTO.MovieId;
movieTagUser.TagName = taggingDTO.TagName;
movieTagUser.UserId = taggingDTO.UserId;
movieTagUser.IsUpvote = taggingDTO.IsUpvote;
if (_repo.MovieTagUserExists(movieTagUser))
{
_repo.UpdateMovieTagUser(movieTagUser);
}
else
{
_repo.AddMovieTagUser(movieTagUser);
}
return(true);
}
/// <summary>
/// Updates a User's existing Movie Tag in the database.
/// </summary>
/// <param name="movieTagUser"></param>
/// <returns></returns>
public void UpdateMovieTagUser(MovieTagUser movieTagUser)
{
var movieTag = GetMovieTag(movieTagUser.ImdbId, movieTagUser.TagName);
if (movieTag == null)
{
movieTag = new MovieTag();
movieTag.ImdbId = movieTagUser.ImdbId;
movieTag.TagName = movieTagUser.TagName;
movieTag.VoteSum = 0;
_dbContext.MovieTags.Add(movieTag);
}
bool isUpvote = movieTagUser.IsUpvote ?? true;
if (isUpvote)
{
if (movieTag.VoteSum < int.MaxValue)
{
movieTag.VoteSum += 1;
}
}
else
{
if (movieTag.VoteSum > int.MinValue)
{
movieTag.VoteSum -= 1;
}
}
_dbContext.MovieTagUsers.Update(movieTagUser);
_dbContext.SaveChanges();
}
public void TestAddMovieTagUser()
{
var sut1 = new MovieTagUser()
{
ImdbId = "Anis", TagName = "Bad", UserId = "12345", IsUpvote = true
};
MovieTagUser result1;
using (var context2 = new Cinephiliacs_MovieContext(dbOptions))
{
context2.Database.EnsureCreated();
var msr = new RepoLogic(context2);
msr.AddMovieTagUser(sut1);
result1 = context2.MovieTagUsers.FirstOrDefault(ma => ma.ImdbId == "Anis");
}
Assert.Equal("Anis", result1.ImdbId);
}
/// <summary>
/// Adds tags to the movie specified in the argument based on the
/// provided list of words and their definitions.
/// </summary>
/// <param name="words"></param>
private async Task AutoTagMovie(List <string> words, string movieId)
{
foreach (var word in words)
{
Word dbWord = _repo.GetWord(word);
if (dbWord == null)
{
var wordObject = await ApiHelper.ApiProcessor.LoadDefinitionAsync(word);
bool wordIsTag = ProcessWordObject(word, wordObject);
if (wordIsTag)
{
var movieTagUser = new MovieTagUser();
movieTagUser.ImdbId = movieId;
movieTagUser.UserId = "~AutoGenerated";
movieTagUser.TagName = wordObject.Word;
movieTagUser.IsUpvote = true;
if (!_repo.MovieTagUserExists(movieTagUser))
{
_repo.AddMovieTagUser(movieTagUser);
}
}
}
else
{
if (dbWord.IsTag)
{
var movieTagUser = new MovieTagUser();
movieTagUser.ImdbId = movieId;
movieTagUser.UserId = "~AutoGenerated";
movieTagUser.TagName = dbWord.BaseWord;
movieTagUser.IsUpvote = true;
if (!_repo.MovieTagUserExists(movieTagUser))
{
_repo.AddMovieTagUser(movieTagUser);
}
}
}
}
}
/// <summary>
/// Adds a User's Tag Vote for a Movie to the database
/// and increments the MovieTag's VoteSum.
/// Adds the Tag to the database if it does not exist.
/// Adds the MovieTag to the database if it does not
/// exist.
/// </summary>
/// <param name="movieTagUser"></param>
/// <returns></returns>
public void AddMovieTagUser(MovieTagUser movieTagUser)
{
if (!TagExists(movieTagUser.TagName))
{
Tag tag = new Tag();
tag.TagName = movieTagUser.TagName;
tag.IsBanned = false;
_dbContext.Tags.Add(tag);
}
var movieTag = GetMovieTag(movieTagUser.ImdbId, movieTagUser.TagName);
if (movieTag == null)
{
movieTag = new MovieTag();
movieTag.ImdbId = movieTagUser.ImdbId;
movieTag.TagName = movieTagUser.TagName;
movieTag.VoteSum = 0;
_dbContext.MovieTags.Add(movieTag);
}
bool isUpvote = movieTagUser.IsUpvote ?? true;
if (isUpvote)
{
if (movieTag.VoteSum < int.MaxValue)
{
movieTag.VoteSum += 1;
}
}
else
{
if (movieTag.VoteSum > int.MinValue)
{
movieTag.VoteSum -= 1;
}
}
_dbContext.MovieTagUsers.Add(movieTagUser);
_dbContext.SaveChanges();
}
/// <summary>
/// Returns true iff the MovieTagUser specified by the
/// argument exists.
/// </summary>
/// <param name="movieTagUser"></param>
/// <returns></returns>
public bool MovieTagUserExists(MovieTagUser movieTagUser)
{
return(_dbContext.MovieTagUsers.FirstOrDefault(mtu => mtu.ImdbId == movieTagUser.ImdbId &&
mtu.TagName == movieTagUser.TagName && mtu.UserId == movieTagUser.UserId) != null);
}
