Example #1
0
        /// <summary>
        /// Using the .wav files in the Audio directory, populates the Word and Recording tables.
        /// </summary>
        private void populatetables()
        {
            DirectoryInfo dirInfo = new DirectoryInfo(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Audio"));

            foreach (FileInfo fInfo in dirInfo.GetFiles("*.wav", SearchOption.AllDirectories))   // Also searches subdirectories.
            {
                if (fInfo.Extension.Contains("wav"))
                {
                    // Dynamically create recordings and words.
                    String  fileName = Path.GetFileName(fInfo.FullName);
                    String  wordName = NameParser.WordNameFromFile(fileName);
                    Speaker speaker  = NameParser.SpeakerFromFile(fileName);

                    // Create the word if it doesn't exist, get the name from the filename.
                    using (SQLiteConnection connection = new SQLiteConnection("Data Source=" + Path.Combine(System.AppDomain.CurrentDomain.BaseDirectory, "MPAiDb.sqlite") + "; Version=3;"))
                    {
                        connection.Open();

                        // Select the number of words that match the current word.
                        string sql = "select count(*) from Word " +
                                     "where wordName = '" + wordName + "'";
                        SQLiteCommand command = new SQLiteCommand(sql, connection);
                        int           count   = Int32.Parse(command.ExecuteScalar().ToString());

                        // If the word is not currently in the database, add it.
                        if (count <= 0)
                        {
                            sql = "insert into Word (wordName)" +
                                  "values('" + wordName +
                                  "')";
                            command = new SQLiteCommand(sql, connection);
                            command.ExecuteNonQuery();
                        }

                        // Select the number of recordings that match the current recording.
                        sql = "select count(*) from Recording " +
                              "where filePath = '" + fInfo.FullName + "'";
                        command = new SQLiteCommand(sql, connection);
                        count   = Int32.Parse(command.ExecuteScalar().ToString());

                        // If the recording is not currently in the database, add it, and associate it with the word we just made.
                        if (count <= 0)
                        {
                            sql = "select wordId from Word " +
                                  "where wordName = '" + wordName + "'";
                            command = new SQLiteCommand(sql, connection);
                            int wordID = Int32.Parse(command.ExecuteScalar().ToString());

                            sql = "insert into Recording(speaker, wordId, filePath) " +
                                  "values(" + Convert.ToInt32(speaker).ToString() +
                                  ", " + wordID.ToString() +
                                  ", '" + fInfo.FullName + "')";
                            command = new SQLiteCommand(sql, connection);
                            command.ExecuteNonQuery();
                        }
                    }
                }
            }
        }