public static void DeleteReview(long reviewId)
{
SqlConnection connection = null;
try
{
connection = new SqlConnection(
ConfigurationSettings.AppSettings.Get("Catalog.Connection"));
connection.Open();
RecordingDataSet recordingDataSet =
new RecordingDataSet();
ReviewGateway reviewGateway = new ReviewGateway(connection);
reviewGateway.Delete(recordingDataSet, reviewId);
}
finally
{
if (connection != null)
{
connection.Close();
}
}
return;
}
public static RecordingDataSet.Review AddReview(RecordingDataSet dataSet,
string name, string content, int rating, long recordingId)
{
SqlConnection connection = null;
RecordingDataSet.Review review = null;
try
{
connection = new SqlConnection(
ConfigurationSettings.AppSettings.Get("Catalog.Connection"));
connection.Open();
RecordingDataSet.Recording recording =
FindByRecordingId(dataSet, recordingId);
ReviewerGateway reviewerGateway =
new ReviewerGateway(connection);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindByName(name, dataSet);
if (reviewer == null)
{
long reviewerId = reviewerGateway.Insert(dataSet, name);
reviewer = reviewerGateway.FindById(reviewerId, dataSet);
}
foreach (RecordingDataSet.Review existingReview in
recording.GetReviews())
{
if (existingReview.Reviewer.Name.Equals(name))
{
throw new ExistingReviewException(existingReview.Id);
}
}
ReviewGateway reviewGateway = new ReviewGateway(connection);
long reviewId = reviewGateway.Insert(dataSet, rating, content);
review = reviewGateway.FindById(reviewId, dataSet);
review.ReviewerId = reviewer.Id;
review.Recording = recording;
reviewGateway.Update(dataSet);
}
finally
{
if (connection != null)
{
connection.Close();
}
}
return(review);
}
public void Execute()
{
SqlConnection connection =
TransactionManager.Transaction().Connection;
RecordingDataSet recordingDataSet = new RecordingDataSet();
ReviewGateway reviewGateway =
new ReviewGateway(connection);
reviewGateway.Delete(recordingDataSet, reviewId);
}
public void Execute()
{
SqlConnection connection =
TransactionManager.Transaction().Connection;
RecordingGateway recordingGateway =
new RecordingGateway(connection);
recording = recordingGateway.FindById(recordingId, dataSet);
if (recording == null)
{
return;
}
long artistId = recording.ArtistId;
ArtistGateway artistGateway = new ArtistGateway(connection);
RecordingDataSet.Artist artist =
artistGateway.FindById(artistId, dataSet);
long labelId = recording.LabelId;
LabelGateway labelGateway = new LabelGateway(connection);
RecordingDataSet.Label label =
labelGateway.FindById(labelId, dataSet);
GenreGateway genreGateway = new GenreGateway(connection);
TrackGateway trackGateway = new TrackGateway(connection);
foreach (RecordingDataSet.Track track in
trackGateway.FindByRecordingId(recordingId, dataSet))
{
artistId = track.ArtistId;
long genreId = track.GenreId;
artist = artistGateway.FindById(artistId, dataSet);
RecordingDataSet.Genre genre =
genreGateway.FindById(genreId, dataSet);
}
ReviewGateway reviewGateway = new ReviewGateway(connection);
ReviewerGateway reviewerGateway = new ReviewerGateway(connection);
foreach (RecordingDataSet.Review review in
reviewGateway.FindByRecordingId(recordingId, dataSet))
{
long reviewerId = review.ReviewerId;
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, dataSet);
}
}
public void Execute()
{
SqlConnection connection =
TransactionManager.Transaction().Connection;
RecordingDataSet.Recording recording =
FindByRecordingId(dataSet, recordingId);
ReviewerGateway reviewerGateway =
new ReviewerGateway(connection);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindByName(name, dataSet);
if (reviewer == null)
{
long reviewerId = reviewerGateway.Insert(dataSet, name);
reviewer = reviewerGateway.FindById(reviewerId, dataSet);
}
foreach (RecordingDataSet.Review existingReview in recording.GetReviews())
{
if (existingReview.Reviewer.Name.Equals(name))
{
throw new ExistingReviewException(existingReview.Id);
}
}
ReviewGateway reviewGateway = new ReviewGateway(connection);
long reviewId = reviewGateway.Insert(dataSet, rating, content);
review = reviewGateway.FindById(reviewId, dataSet);
review.ReviewerId = reviewer.Id;
review.Recording = recording;
reviewGateway.Update(dataSet);
}
public static RecordingDataSet.Recording FindByRecordingId(
RecordingDataSet recordingDataSet, long recordingId)
{
SqlConnection connection = null;
RecordingDataSet.Recording recording = null;
try
{
connection = new SqlConnection(
ConfigurationSettings.AppSettings.Get("Catalog.Connection"));
connection.Open();
RecordingGateway recordingGateway = new RecordingGateway(connection);
recording = recordingGateway.FindById(recordingId, recordingDataSet);
if (recording != null)
{
long artistId = recording.ArtistId;
ArtistGateway artistGateway = new ArtistGateway(connection);
RecordingDataSet.Artist artist =
artistGateway.FindById(artistId, recordingDataSet);
long labelId = recording.LabelId;
LabelGateway labelGateway = new LabelGateway(connection);
RecordingDataSet.Label label =
labelGateway.FindById(labelId, recordingDataSet);
GenreGateway genreGateway = new GenreGateway(connection);
TrackGateway trackGateway = new TrackGateway(connection);
foreach (RecordingDataSet.Track track in
trackGateway.FindByRecordingId(recordingId, recordingDataSet))
{
artistId = track.ArtistId;
long genreId = track.GenreId;
artist = artistGateway.FindById(artistId, recordingDataSet);
RecordingDataSet.Genre genre =
genreGateway.FindById(genreId, recordingDataSet);
}
ReviewGateway reviewGateway = new ReviewGateway(connection);
ReviewerGateway reviewerGateway = new ReviewerGateway(connection);
foreach (RecordingDataSet.Review review in
reviewGateway.FindByRecordingId(recordingId, recordingDataSet))
{
long reviewerId = review.ReviewerId;
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, recordingDataSet);
}
}
}
finally
{
if (connection != null)
{
connection.Close();
}
}
return(recording);
}
