public void AddReviewWithExistingReviewer()
{
int rating = 1;
string content = "Review content";
ReviewerGateway reviewerGateway =
new ReviewerGateway(Connection);
long reviewerId = reviewerGateway.Insert(recordingDataSet, reviewerName);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, recordingDataSet);
RecordingDataSet.Review review = Catalog.AddReview(recordingDataSet, reviewerName, content, rating, Recording.Id);
Assert.IsNotNull(review);
RecordingDataSet loadedFromDBDataSet = new RecordingDataSet();
RecordingDataSet.Recording loadedFromDBRecording = Catalog.FindByRecordingId(loadedFromDBDataSet, Recording.Id);
Assert.AreEqual(1, loadedFromDBRecording.GetReviews().Length);
RecordingDataSet.Review loadedFromDBReview =
loadedFromDBRecording.GetReviews()[0];
ReviewGateway reviewGateway = new ReviewGateway(Connection);
reviewGateway.Delete(loadedFromDBDataSet, loadedFromDBReview.Id);
reviewerGateway.Delete(recordingDataSet, reviewerId);
}
public RecordingDataSet.Reviewer FindByName(string reviewerName,
RecordingDataSet recordingDataSet)
{
SqlCommand command =
new SqlCommand("select id, name from reviewer where name = @name",
connection);
command.Parameters.Add("@name", SqlDbType.VarChar);
SqlDataAdapter adapter = new SqlDataAdapter(command);
command.Parameters["@name"].Value = reviewerName;
adapter.Fill(recordingDataSet, recordingDataSet.Reviewers.TableName);
string selectString =
String.Format("name='{0}'", reviewerName);
DataRow[] rows =
recordingDataSet.Reviewers.Select(selectString);
if (rows.Length < 1)
{
return(null);
}
RecordingDataSet.Reviewer reviewer = (RecordingDataSet.Reviewer)rows[0];
return(reviewer);
}
public override void Insert()
{
recordingDataSet = new RecordingDataSet();
recordingGateway = new RecordingGateway(Connection);
trackGateway = new TrackGateway(Connection);
reviewGateway = new ReviewGateway(Connection);
reviewerGateway = new ReviewerGateway(Connection);
labelGateway = new LabelGateway(Connection);
artistGateway = new ArtistGateway(Connection);
genreGateway = new GenreGateway(Connection);
artistId = artistGateway.Insert(recordingDataSet, "Artist");
labelId = labelGateway.Insert(recordingDataSet, "Label");
genreId = genreGateway.Insert(recordingDataSet, "Genre");
reviewerId = reviewerGateway.Insert(recordingDataSet, "Reviewer");
recordingId = recordingGateway.Insert(recordingDataSet,
"Recording Title", new DateTime(1999, 1, 12), artistId, labelId);
reviewId = reviewGateway.Insert(recordingDataSet, 1, "Review");
trackId = trackGateway.Insert(recordingDataSet, "Track Title", 120);
RecordingDataSet.Recording recording =
recordingGateway.FindById(recordingId, recordingDataSet);
RecordingDataSet.Review review =
reviewGateway.FindById(reviewId, recordingDataSet);
RecordingDataSet.Track track =
trackGateway.FindById(trackId, recordingDataSet);
RecordingDataSet.Label label =
labelGateway.FindById(labelId, recordingDataSet);
RecordingDataSet.Genre genre =
genreGateway.FindById(genreId, recordingDataSet);
RecordingDataSet.Artist artist =
artistGateway.FindById(artistId, recordingDataSet);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, recordingDataSet);
// setup the relationships
recording.Artist = artist;
recording.Label = label;
track.Recording = recording;
track.Artist = artist;
track.Genre = genre;
review.Recording = recording;
review.Reviewer = reviewer;
recordingGateway.Update(recordingDataSet);
trackGateway.Update(recordingDataSet);
reviewGateway.Update(recordingDataSet);
RecordingDataSet loadedDataSet = new RecordingDataSet();
loadedRecording = Catalog.FindByRecordingId(loadedDataSet, recordingId);
}
public void RetrieveReviewerFromDatabase()
{
RecordingDataSet loadedFromDB = new RecordingDataSet();
RecordingDataSet.Reviewer loadedReviewer = gateway.FindById(reviewerId, loadedFromDB);
Assert.AreEqual(reviewerId, loadedReviewer.Id);
Assert.AreEqual(reviewerName, loadedReviewer.Name);
}
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 DeleteReviewerFromDatabase()
{
RecordingDataSet emptyDataSet = new RecordingDataSet();
long deletedReviewerId = gateway.Insert(emptyDataSet, "Deleted Reviewer");
gateway.Delete(emptyDataSet, deletedReviewerId);
RecordingDataSet.Reviewer deleletedReviewer =
gateway.FindById(deletedReviewerId, emptyDataSet);
Assert.IsNull(deleletedReviewer);
}
public RecordingDataSet.Reviewer FindById(long reviewerId, RecordingDataSet recordingDataSet)
{
command.Parameters["@id"].Value = reviewerId;
adapter.Fill(recordingDataSet, recordingDataSet.Reviewers.TableName);
DataRow[] rows = recordingDataSet.Reviewers.Select(String.Format("id={0}", reviewerId));
if (rows.Length < 1)
{
return(null);
}
RecordingDataSet.Reviewer reviewer = (RecordingDataSet.Reviewer)rows[0];
return(reviewer);
}
public long Insert(RecordingDataSet recordingDataSet, string reviewerName)
{
long reviewerId = IdGenerator.GetNextId(recordingDataSet.Reviewers.TableName, connection);
RecordingDataSet.Reviewer reviewerRow = recordingDataSet.Reviewers.NewReviewer();
reviewerRow.Id = reviewerId;
reviewerRow.Name = reviewerName;
recordingDataSet.Reviewers.AddReviewer(reviewerRow);
adapter.Update(recordingDataSet, recordingDataSet.Reviewers.TableName);
return(reviewerId);
}
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 UpdateReviewerFieldInReviewer()
{
string modifiedName = "Modified Name";
RecordingDataSet.Reviewer reviewer = recordingDataSet.Reviewers[0];
reviewer.Name = modifiedName;
gateway.Update(recordingDataSet);
RecordingDataSet updatedDataSet = new RecordingDataSet();
RecordingDataSet.Reviewer updatedReviewer =
gateway.FindById(reviewerId, updatedDataSet);
Assert.AreEqual(modifiedName, updatedReviewer.Name);
}
public void MakeReview()
{
RecordingDataSet recordingDataSet = new RecordingDataSet();
reviewer = recordingDataSet.Reviewers.NewReviewer();
reviewer.Id = 1;
reviewer.Name = "Reviewer";
recordingDataSet.Reviewers.AddReviewer(reviewer);
review = recordingDataSet.Reviews.NewReview();
review.Id = 1;
review.Content = "Review Content";
review.Rating = 2;
review.Reviewer = reviewer;
recordingDataSet.Reviews.AddReview(review);
reviewDto = RecordingAssembler.WriteReview(review);
}
public void MakeReview()
{
RecordingDataSet recordingDataSet = new RecordingDataSet();
reviewer = recordingDataSet.Reviewers.NewReviewer();
reviewer.Id = 1;
reviewer.Name = "Reviewer";
recordingDataSet.Reviewers.AddReviewer(reviewer);
review = recordingDataSet.Reviews.NewReview();
review.Id = 1;
review.Content = "Review Content";
review.Rating = 2;
review.Reviewer = reviewer;
recordingDataSet.Reviews.AddReview(review);
reviewDto = RecordingAssembler.WriteReview(review);
}
public void AddTwoReviewsWithExistingReviewer()
{
int rating = 1;
string content = "Review content";
ReviewerGateway reviewerGateway =
new ReviewerGateway(Connection);
long reviewerId =
reviewerGateway.Insert(recordingDataSet, reviewerName);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, recordingDataSet);
RecordingDataSet.Review reviewOne =
Catalog.AddReview(recordingDataSet, reviewerName,
content, rating, Recording.Id);
try
{
RecordingDataSet.Review reviewTwo =
Catalog.AddReview(recordingDataSet,
reviewerName, content, rating, Recording.Id);
Assert.Fail("Expected an ExistingReviewException");
}
catch (ExistingReviewException exception)
{
Assert.AreEqual(reviewOne.Id, exception.ExistingId);
}
finally
{
RecordingDataSet dbDataSet = new RecordingDataSet();
RecordingDataSet.Recording dbRecording =
Catalog.FindByRecordingId(dbDataSet, Recording.Id);
RecordingDataSet.Review[] reviews =
dbRecording.GetReviews();
ReviewGateway reviewGateway = new ReviewGateway(Connection);
foreach (RecordingDataSet.Review existingReview in reviews)
{
reviewGateway.Delete(dbDataSet, existingReview.Id);
}
reviewerGateway.Delete(recordingDataSet, reviewerId);
}
}
public void DeleteReview()
{
int rating = 1;
string content = "Review content";
ReviewerGateway reviewerGateway =
new ReviewerGateway(Connection);
long reviewerId = reviewerGateway.Insert(recordingDataSet, reviewerName);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, recordingDataSet);
RecordingDataSet.Review review = Catalog.AddReview(recordingDataSet, reviewerName, content, rating, recordingId);
Catalog.DeleteReview(review.Id);
RecordingDataSet loadedFromDB = new RecordingDataSet();
RecordingDataSet.Recording loadedFromDBRecording = Catalog.FindByRecordingId(loadedFromDB, recordingId);
Assert.AreEqual(0, loadedFromDBRecording.GetReviews().Length);
}
public void AddTwoReviewsWithExistingReviewer()
{
int rating = 1;
string content = "Review content";
ReviewerGateway reviewerGateway = new ReviewerGateway(Connection);
long reviewerId = reviewerGateway.Insert(recordingDataSet, reviewerName);
RecordingDataSet.Reviewer reviewer =
reviewerGateway.FindById(reviewerId, recordingDataSet);
RecordingDataSet.Review reviewOne = Catalog.AddReview(recordingDataSet, reviewerName, content, rating, recordingId);
try
{
RecordingDataSet.Review reviewTwo = Catalog.AddReview(recordingDataSet, reviewerName, content, rating, recordingId);
Assert.Fail("Expected an ExistingReviewException");
}
catch (ExistingReviewException exception)
{
Assert.AreEqual(reviewOne.Id, exception.ExistingId);
}
}
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);
}
public static RecordingDataSet.Recording Make()
{
RecordingDataSet dataSet = new RecordingDataSet();
RecordingDataSet.Recording recording =
dataSet.Recordings.NewRecording();
recording.Id = 1;
recording.Title = "Title";
recording.ReleaseDate = DateTime.Today;
RecordingDataSet.Label label = dataSet.Labels.NewLabel();
label.Id = 1;
label.Name = "Label";
dataSet.Labels.AddLabel(label);
RecordingDataSet.Artist artist = dataSet.Artists.NewArtist();
artist.Id = 1;
artist.Name = "Artist";
dataSet.Artists.AddArtist(artist);
recording.Label = label;
recording.Artist = artist;
dataSet.Recordings.AddRecording(recording);
RecordingDataSet.Genre genre = dataSet.Genres.NewGenre();
genre.Id = 1;
genre.Name = "Genre";
dataSet.Genres.AddGenre(genre);
int trackCount = 2;
ArrayList tracks = new ArrayList(trackCount);
for (int i = 0; i < trackCount; i++)
{
RecordingDataSet.Track track = dataSet.Tracks.NewTrack();
track.Recording = recording;
track.Id = i + 1;
track.Title = "Track Title";
track.Duration = 100;
track.Genre = genre;
track.Artist = artist;
dataSet.Tracks.AddTrack(track);
tracks.Add(track);
}
RecordingDataSet.Reviewer reviewer =
dataSet.Reviewers.NewReviewer();
reviewer.Id = 1;
reviewer.Name = "Reviewer";
dataSet.Reviewers.AddReviewer(reviewer);
int reviewCount = 3;
ArrayList reviews = new ArrayList(reviewCount);
for (int j = 0; j < reviewCount; j++)
{
RecordingDataSet.Review review = dataSet.Reviews.NewReview();
review.Id = j + 1;
review.Content = "Review Content";
review.Rating = j + 1;
review.Reviewer = reviewer;
review.Recording = recording;
dataSet.Reviews.AddReview(review);
reviews.Add(review);
}
return(recording);
}
public void ReviewerOfTheReview()
{
RecordingDataSet.Reviewer loadedReviewer = loadedRecording.GetReviews()[0].Reviewer;
Assert.AreEqual(reviewerId, loadedReviewer.Id);
}
public void Delete(RecordingDataSet recordingDataSet, long reviewerId)
{
RecordingDataSet.Reviewer loadedReviewer = FindById(reviewerId, recordingDataSet);
loadedReviewer.Delete();
adapter.Update(recordingDataSet, recordingDataSet.Reviewers.TableName);
}
