private void topNAvg_Click(object sender, EventArgs e)
{
this.secondBox.Items.Clear();
int Nth = Convert.ToInt32(topN.Text);
string dbfilename = this.txtDatabase.Text;
BusinessTier.Business biztier = new BusinessTier.Business(dbfilename);
BusinessTier.Movie movie = biztier.GetMovie(this.movieBox.Text);
var list = (List <Movie>)biztier.GetTopMoviesByAvgRating(Nth);
foreach (var i in list)
{
secondBox.Items.Add(string.Format("{0}: {1}", i.MovieName, (biztier.GetMovieDetail(i.MovieID).AvgRating)));
}
}
private void lstMovies_SelectedIndexChanged(object sender, EventArgs e)
{
this.txtMovieID.Items.Clear();
this.movieRating.Items.Clear();
this.userID.Items.Clear();
this.occupation.Items.Clear();
this.secondBox.Items.Clear();
string dbfilename = this.txtDatabase.Text;
BusinessTier.Business biztier = new BusinessTier.Business(dbfilename);
BusinessTier.User user = biztier.GetNamedUser(this.lstMovies.Text);
BusinessTier.Movie movie = biztier.GetMovie(this.lstMovies.Text);
if (user == null)
{
this.txtMovieID.Items.Add(string.Format("{0}", movie.MovieID));
var details = biztier.GetMovieDetail(movie.MovieID);
this.movieRating.Items.Add(string.Format("{0}", details.AvgRating));
BusinessTier.MovieDetail detail = biztier.GetMovieDetail(movie.MovieID);
foreach (BusinessTier.Review i in detail.Reviews)
{
this.secondBox.Items.Add(string.Format("{0}: {1}", i.UserID, i.Rating));
}
}
if (movie == null)
{
this.userID.Items.Add(string.Format("{0}", user.UserID));
this.occupation.Items.Add(string.Format("{0}", user.Occupation));
BusinessTier.UserDetail detail = biztier.GetUserDetail(user.UserID);
foreach (BusinessTier.Review i in detail.Reviews)
{
var movieName = biztier.GetMovie(i.MovieID);
this.secondBox.Items.Add(string.Format("{0}-> {1}", movieName.MovieName, i.Rating));
}
}
}
private void button1_Click_1(object sender, EventArgs e)
{
// string username = this.namebox.Text;
string rate = this.comboBox1.Text;
string dbfilename = this.txtDatabase.Text;
BusinessTier.Business biztier = new BusinessTier.Business(dbfilename);
BusinessTier.Movie movie = biztier.GetMovie(this.movieBox.Text);
BusinessTier.User user = biztier.GetNamedUser(this.namebox.Text);
if (movie != null && user != null && (Convert.ToInt32(rate)) <= 5 && (Convert.ToInt32(rate)) > 0)
{
biztier.AddReview(Convert.ToInt32(movie.MovieID), Convert.ToInt32(user.UserID), Convert.ToInt32(rate));
}
else
{
MessageBox.Show("invalid input");
}
}
//
// GetMovieDetail:
//
// Given a MOVIE ID, returns detailed information about this movie --- all
// the reviews, the total number of reviews, average rating, etc. If the
// movie cannot be found, null is returned.
//
public MovieDetail GetMovieDetail(int MovieID)
{
// SQL Query
string SQL = string.Format("SELECT MovieID FROM Movies WHERE MovieID = '{0}';", MovieID);
// Execute Query
var Q1 = dataTier.ExecuteScalarQuery(SQL);
if (Q1 == null)
{
// SQL Query fails, return null
return(null);
}
else
{
List <Review> review_List = new List <Review>();
// SQL Query
string SQL2 = string.Format(@"SELECT ROUND(AVG(CAST(Rating AS float)),4) FROM Reviews
Inner Join
(
SELECT MovieID From Movies
WHERE MovieID = '{0}'
) AS M
On M.MovieID = Reviews.MovieID", MovieID);
// Execute Query
var Q2 = dataTier.ExecuteScalarQuery(SQL2);
double avg;
// Check if no average rating is found
if (Q2.ToString() == "")
{
// Average rating = 0
avg = 0;
}
else
{
avg = Convert.ToDouble(Q2);
}
// SQL Query
string SQL3 = string.Format(@"SELECT *
FROM Movies
WHERE MovieID = '{0}'", MovieID);
// Execute Query
var Q3 = dataTier.ExecuteNonScalarQuery(SQL3);
var t = Q3.Tables["TABLE"].Rows[0];
// SQL Query
string SQL4 = string.Format(@"SELECT COUNT(ReviewID)
FROM Reviews
WHERE MovieID = '{0}'", MovieID);
// Execute Query
var Q4 = dataTier.ExecuteScalarQuery(SQL4);
int sum = System.Int32.Parse(Q4.ToString());
Movie m = new Movie(MovieID, t["MovieName"].ToString());
// SQL Query
string SQL5 = string.Format(@"SELECT *
FROM Reviews
WHERE MovieID = {0}
ORDER BY Rating DESC, UserID ASC", MovieID);
// Execute Query
var Q5 = dataTier.ExecuteNonScalarQuery(SQL5);
Review R;
// Add to list
foreach (DataRow rowFour in Q5.Tables["TABLE"].Rows)
{
int review_id = System.Int32.Parse(rowFour["ReviewID"].ToString());
int user_id = System.Int32.Parse(rowFour["UserID"].ToString());
int rating = System.Int32.Parse(rowFour["Rating"].ToString());
R = new Review(review_id, MovieID, user_id, rating);
review_List.Add(R);
}
MovieDetail details = new MovieDetail(m, avg, sum, review_List);
return(details);
}
}
private void eachRating_Click(object sender, EventArgs e)
{
this.secondBox.Items.Clear();
string dbfilename = this.txtDatabase.Text;
BusinessTier.Business biztier = new BusinessTier.Business(dbfilename);
BusinessTier.User user = biztier.GetNamedUser(this.lstMovies.Text);
BusinessTier.Movie movie = biztier.GetMovie(this.lstMovies.Text);
if (user == null)
{
var bb = biztier.GetMovieDetail(biztier.GetMovie(Convert.ToInt32(movie.MovieID)).MovieID).Reviews;
List <Review> ListRev = new List <Review>();
foreach (var f in bb)
{
ListRev.Add(f);
}
int one = 0, two = 0, three = 0, four = 0, five = 0;
foreach (var b in ListRev)
{
if (b.Rating == 1)
{
one++;
}
if (b.Rating == 2)
{
two++;
}
if (b.Rating == 3)
{
three++;
}
if (b.Rating == 4)
{
four++;
}
if (b.Rating == 5)
{
five++;
}
}
int totel = one + two + three + four + five;
secondBox.Items.Add(string.Format("{0}", movie.MovieName));
secondBox.Items.Add(string.Format(" "));
secondBox.Items.Add(string.Format("5: {0}", five));
secondBox.Items.Add(string.Format("4: {0}", four));
secondBox.Items.Add(string.Format("3: {0}", three));
secondBox.Items.Add(string.Format("2: {0}", two));
secondBox.Items.Add(string.Format("1: {0}", one));
secondBox.Items.Add(string.Format("Totel: {0}", totel));
}
else
{
MessageBox.Show("Please select a Movie from the movie list");
}
}
