public IEnumerable <IPaycheckModel> GetByEmployee(int employeeID)
        {
            List <PaycheckModel> paychecks = new List <PaycheckModel>();

            DataAccessStatus dataAccessStatus     = new DataAccessStatus();
            bool             matchingRecoredFound = false;
            string           selectByEmpQuery     = "SELECT ID, Amount, PayrollID, ReceiptionDate " +
                                                    "FROM Paychecks WHERE EmployeeID = @EmployeeID";

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    using (SqlCommand cmd = new SqlCommand(selectByEmpQuery, sqlConnection))
                    {
                        cmd.CommandText = selectByEmpQuery;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SqlParameter("@EmployeeID", employeeID));

                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            matchingRecoredFound = reader.HasRows;
                            while (reader.Read())
                            {
                                PaycheckModel paycheck = new PaycheckModel();
                                paycheck.ID             = Convert.ToInt32(reader["ID"].ToString());
                                paycheck.EmployeeID     = employeeID;
                                paycheck.PayrollID      = Convert.ToInt32(reader["PayrollID"].ToString());
                                paycheck.Amount         = Convert.ToInt32(reader["Amount"].ToString());
                                paycheck.ReceiptionDate = (DateTime)reader["ReceiptionDate"];

                                paychecks.Add(paycheck);
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get the paychecks records from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                if (!matchingRecoredFound)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: "",
                                               customMessage: $"Record not found!. Unable to get Paycheck record for with employee id: {employeeID}.It does not exist in the database.", helpLink: "", errorCode: 0,
                                               stackTrace: "");

                    throw new DataAccessException(dataAccessStatus);
                }

                return(paychecks);
            }
        }
        public DepartmentModel GetByID(int departmentId)
        {
            DepartmentModel  departmentModel      = new DepartmentModel();
            DataAccessStatus dataAccessStatus     = new DataAccessStatus();
            bool             matchingRecoredFound = false;
            string           selectByIdQuery      = "SELECT [ID], [Name], [PhoneNumber], [ManagerID]  " +
                                                    "FROM [Departments] WHERE [ID] = @DepartmentID";

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    using (SqlCommand cmd = new SqlCommand(selectByIdQuery, sqlConnection))
                    {
                        cmd.CommandText = selectByIdQuery;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SqlParameter("@DepartmentID", departmentId));

                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            matchingRecoredFound = reader.HasRows;
                            while (reader.Read())
                            {
                                departmentModel.DepartmentId   = departmentId;
                                departmentModel.DepartmentName = reader["Name"].ToString();
                                departmentModel.PhoneNumber    = reader["PhoneNumber"].ToString();

                                if (!string.IsNullOrEmpty(reader["ManagerID"].ToString()))
                                {
                                    departmentModel.ManagerID = Int32.Parse(reader["ManagerID"].ToString());
                                }
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get Department Model record from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                if (!matchingRecoredFound)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: "",
                                               customMessage: $"Record not found!. Unable to get Department Model record for department id {departmentId}. Id {departmentId} does not exist in the database.", helpLink: "", errorCode: 0,
                                               stackTrace: "");

                    throw new DataAccessException(dataAccessStatus);
                }

                return(departmentModel);
            }
        }
        public IEnumerable <IPaycheckModel> GetByMonth(DateTime date)
        {
            List <PaycheckModel> paychecks        = new List <PaycheckModel>();
            DataAccessStatus     dataAccessStatus = new DataAccessStatus();
            bool   recordsFound = false;
            string selectQuery  = "Select * FROM Paychecks WHERE Month(ReceiptionDate) = @Month AND YEAR(ReceiptionDate) = @Year ";

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get the paychecks records from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                using (SqlCommand cmd = new SqlCommand(selectQuery, sqlConnection))
                {
                    cmd.CommandText = selectQuery;
                    cmd.Prepare();

                    cmd.Parameters.AddWithValue("@Month", date.Month);
                    cmd.Parameters.AddWithValue("@Year", date.Year);

                    using (SqlDataReader reader = cmd.ExecuteReader())
                    {
                        recordsFound = reader.HasRows;
                        while (reader.Read())
                        {
                            PaycheckModel paycheck = new PaycheckModel();
                            paycheck.ID             = Convert.ToInt32(reader["ID"].ToString());
                            paycheck.EmployeeID     = Convert.ToInt32(reader["EmployeeID"].ToString());;
                            paycheck.PayrollID      = Convert.ToInt32(reader["PayrollID"].ToString());
                            paycheck.Amount         = Convert.ToInt32(reader["Amount"].ToString());
                            paycheck.ReceiptionDate = (DateTime)reader["ReceiptionDate"];

                            paychecks.Add(paycheck);
                        }
                    }
                }
                sqlConnection.Close();
            }
            if (!recordsFound)
            {
                dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: "",
                                           customMessage: $"Record not found!. Unable to get Paycheck records in Month {date.Month}.", helpLink: "", errorCode: 0,
                                           stackTrace: "");

                throw new DataAccessException(dataAccessStatus);
            }
            return(paychecks);
        }
        public AccountModel GetByUsername(string username)
        {
            AccountModel     account              = new AccountModel();
            DataAccessStatus dataAccessStatus     = new DataAccessStatus();
            bool             matchingRecoredFound = false;
            string           selectByIdQuery      = "SELECT ID, Password, EmployeeID, RoleID " +
                                                    "FROM Accounts WHERE Username = @User";

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    using (SqlCommand cmd = new SqlCommand(selectByIdQuery, sqlConnection))
                    {
                        cmd.CommandText = selectByIdQuery;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SqlParameter("@User", username));

                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            matchingRecoredFound = reader.HasRows;
                            while (reader.Read())
                            {
                                account.ID         = Convert.ToInt32(reader["ID"].ToString());
                                account.Username   = username;
                                account.Password   = reader["Password"].ToString();
                                account.EmployeeID = Convert.ToInt32(reader["EmployeeID"].ToString());
                                account.RoleID     = Convert.ToInt32(reader["RoleID"].ToString());
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get the account record from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                if (!matchingRecoredFound)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: "",
                                               customMessage: $"Record not found!. Unable to get account record for with username : {username}. {username} does not exist in the database.", helpLink: "", errorCode: 0,
                                               stackTrace: "");

                    throw new DataAccessException(dataAccessStatus);
                }

                return(account);
            }
        }
        public PayrollModel GetByEmployee(int employeeID)
        {
            PayrollModel     account              = new PayrollModel();
            DataAccessStatus dataAccessStatus     = new DataAccessStatus();
            bool             matchingRecoredFound = false;
            string           selectByIdQuery      = "SELECT ID, GrossPay, NetPay " +
                                                    "FROM Payrolls WHERE EmployeeID = @EmployeeID";

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    using (SqlCommand cmd = new SqlCommand(selectByIdQuery, sqlConnection))
                    {
                        cmd.CommandText = selectByIdQuery;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SqlParameter("@EmployeeID", employeeID));

                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            matchingRecoredFound = reader.HasRows;
                            while (reader.Read())
                            {
                                account.ID         = Convert.ToInt32(reader["ID"].ToString());
                                account.EmployeeID = employeeID;
                                account.GrossPay   = Convert.ToInt32(reader["GrossPay"].ToString());
                                account.NetPay     = Convert.ToInt32(reader["NetPay"].ToString());
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get the Payroll record from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                if (!matchingRecoredFound)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: "",
                                               customMessage: $"Record not found!. Unable to get Payroll record for with employee id: {employeeID}.It does not exist in the database.", helpLink: "", errorCode: 0,
                                               stackTrace: "");

                    throw new DataAccessException(dataAccessStatus);
                }

                return(account);
            }
        }
示例#6
0
        public RoleModel GetByID(int id)
        {
            RoleModel        roleModel            = new RoleModel();
            DataAccessStatus dataAccessStatus     = new DataAccessStatus();
            bool             matchingRecoredFound = false;

            string selectByIdQuery = "SELECT [ID], [Name]  " +
                                     "FROM [Roles] WHERE [ID] = @ID";

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    using (SqlCommand cmd = new SqlCommand(selectByIdQuery, sqlConnection))
                    {
                        cmd.CommandText = selectByIdQuery;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SqlParameter("@ID", id));

                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            matchingRecoredFound = reader.HasRows;
                            while (reader.Read())
                            {
                                roleModel.ID   = id;
                                roleModel.Name = reader["Name"].ToString();
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get Role Model record from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                if (!matchingRecoredFound)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: "",
                                               customMessage: $"Record not found!. Unable to get Role Model record for role id : {id}. Id : {id} does not exist in the database.", helpLink: "", errorCode: 0,
                                               stackTrace: "");

                    throw new DataAccessException(dataAccessStatus);
                }

                return(roleModel);
            }
        }
示例#7
0
        public MealModel GetByID(int id)
        {
            //throw new NotImplementedException();
            MealModel        mealModel         = new MealModel();
            DataAccessStatus dataAccesStatus   = new DataAccessStatus();
            bool             MatchingMealFound = false;
            string           sql = "SELECT * FROM Meals WHERE MealID = @MealID";

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    sqLiteConnection.Open();
                    using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                    {
                        cmd.CommandText = sql;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SQLiteParameter("@MealID", id));
                        using (SQLiteDataReader reader = cmd.ExecuteReader())
                        {
                            MatchingMealFound = reader.HasRows;
                            while (reader.Read())
                            {
                                mealModel.MealID         = Int32.Parse(reader["MealID"].ToString());
                                mealModel.MealName       = reader["MealName"].ToString();
                                mealModel.MealPrice      = Int32.Parse(reader["MealPrice"].ToString());
                                mealModel.MealRestaurant = Int32.Parse(reader["MealRestaurant"].ToString());

                                mealModel.MealSaltTaste   = Int32.Parse(reader["MealSaltTaste"].ToString());
                                mealModel.MealSourTaste   = Int32.Parse(reader["MealSourTaste"].ToString());
                                mealModel.MealSpicyTaste  = Int32.Parse(reader["MealSpicyTaste"].ToString());
                                mealModel.MealSweetTaste  = Int32.Parse(reader["MealSweetTaste"].ToString());
                                mealModel.MealBitterTaste = Int32.Parse(reader["MealBitterTaste"].ToString());
                            }
                        }
                        sqLiteConnection.Close();
                    }
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to get Meal Model from db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }

                if (!MatchingMealFound)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: "", customMessage: "Unable to find Meal Model in db", helpLink: "", errorCode: 0, stackTrace: "");
                    throw new DataAccessException(dataAccesStatus);
                }
                return(mealModel);
            }
        }
示例#8
0
        public UserModel GetByEmail(string email)
        {
            //throw new NotImplementedException();
            UserModel        userModel         = new UserModel();
            DataAccessStatus dataAccesStatus   = new DataAccessStatus();
            bool             MatchingUserFound = false;
            string           sql = "SELECT * FROM Users WHERE UserEmail = @UserEmail";

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    sqLiteConnection.Open();
                    using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                    {
                        cmd.CommandText = sql;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SQLiteParameter("@UserEmail", email));
                        using (SQLiteDataReader reader = cmd.ExecuteReader())
                        {
                            MatchingUserFound = reader.HasRows;
                            while (reader.Read())
                            {
                                userModel.UserID         = Int32.Parse(reader["UserID"].ToString());
                                userModel.UserEmail      = reader["UserEmail"].ToString();
                                userModel.UserName       = reader["UserName"].ToString();
                                userModel.UserPassword   = reader["UserPassword"].ToString();
                                userModel.UserRestaurant = Int32.Parse(reader["UserRestaurant"].ToString());
                            }
                        }
                        sqLiteConnection.Close();
                    }
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to get User Model from db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }

                if (!MatchingUserFound)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: "", customMessage: "Unable to find User Model in db", helpLink: "", errorCode: 0, stackTrace: "");
                    throw new DataAccessException(dataAccesStatus);
                }
                return(userModel);
            }
        }
示例#9
0
        public void Add(IMealModel mealModel)
        {
            //throw new NotImplementedException();
            DataAccessStatus dataAccesStatus = new DataAccessStatus();

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    sqLiteConnection.Open();
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to open db connection", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }

                string sql = "INSERT INTO Meals (MealName, MealPrice, MealRestaurant, MealSaltTaste, MealSourTaste, MealSpicyTaste, MealSweetTaste, MealBitterTaste)" +
                             "VALUES (@MealName, @MealPrice, @MealRestaurant, @MealSaltTaste, @MealSourTaste, @MealSpicyTaste, @MealSweetTaste, @MealBitterTaste)";
                using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                {
                    cmd.CommandText = sql;
                    cmd.Prepare();

                    cmd.Parameters.AddWithValue("@MealName", mealModel.MealName);
                    cmd.Parameters.AddWithValue("@MealPrice", mealModel.MealPrice);
                    cmd.Parameters.AddWithValue("@MealRestaurant", mealModel.MealRestaurant);
                    cmd.Parameters.AddWithValue("@MealSaltTaste", mealModel.MealSaltTaste);
                    cmd.Parameters.AddWithValue("@MealSourTaste", mealModel.MealSourTaste);
                    cmd.Parameters.AddWithValue("@MealSpicyTaste", mealModel.MealSpicyTaste);
                    cmd.Parameters.AddWithValue("@MealSweetTaste", mealModel.MealSweetTaste);
                    cmd.Parameters.AddWithValue("@MealBitterTaste", mealModel.MealBitterTaste);

                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SQLiteException e)
                    {
                        dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to add Meal to db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                        throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                    }
                    sqLiteConnection.Close();
                }
            }
        }
示例#10
0
        public RestaurantModel GetByID(int id)
        {
            //throw new NotImplementedException();
            RestaurantModel  restaurantModel         = new RestaurantModel();
            DataAccessStatus dataAccesStatus         = new DataAccessStatus();
            bool             MatchingRestaurantFound = false;
            string           sql = "SELECT * FROM Restaurants WHERE RestaurantID = @RestaurantID";

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    sqLiteConnection.Open();
                    using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                    {
                        cmd.CommandText = sql;
                        cmd.Prepare();
                        cmd.Parameters.Add(new SQLiteParameter("@RestaurantID", id));
                        using (SQLiteDataReader reader = cmd.ExecuteReader())
                        {
                            MatchingRestaurantFound = reader.HasRows;
                            while (reader.Read())
                            {
                                restaurantModel.RestaurantID      = Int32.Parse(reader["RestaurantID"].ToString());
                                restaurantModel.RestaurantName    = reader["RestaurantName"].ToString();
                                restaurantModel.RestaurantAddress = reader["RestaurantAddress"].ToString();
                            }
                        }
                        sqLiteConnection.Close();
                    }
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to get Restaurant Model from db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }

                if (!MatchingRestaurantFound)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: "", customMessage: "Unable to find Restaurant Model in db", helpLink: "", errorCode: 0, stackTrace: "");
                    throw new DataAccessException(dataAccesStatus);
                }
                return(restaurantModel);
            }
        }
示例#11
0
        public void Add(IUserModel userModel)
        {
            //throw new NotImplementedException();
            DataAccessStatus dataAccesStatus = new DataAccessStatus();

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    sqLiteConnection.Open();
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to open db connection", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }

                string sql = "INSERT INTO Users (UserName, UserEmail, UserPassword, UserRestaurant)" +
                             "VALUES (@UserName, @UserEmail, @UserPassword, @UserRestaurant)";
                using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                {
                    /*try
                     * {
                     *  UserExistsCheck(cmd, userModel, TypeOfExsistenceCheck.DoesNotExistInDB, RequestType.Add)
                     * }*/
                    cmd.CommandText = sql;
                    cmd.Prepare();

                    cmd.Parameters.AddWithValue("@UserName", userModel.UserName);
                    cmd.Parameters.AddWithValue("@UserEmail", userModel.UserEmail);
                    cmd.Parameters.AddWithValue("@UserPassword", userModel.UserPassword);
                    cmd.Parameters.AddWithValue("@UserRestaurant", userModel.UserRestaurant);
                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SQLiteException e)
                    {
                        dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to add User to db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                        throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                    }
                    sqLiteConnection.Close();
                }
            }
        }
示例#12
0
        public void Delete(IUserModel userModel)
        {
            //throw new NotImplementedException();
            DataAccessStatus dataAccesStatus = new DataAccessStatus();

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    sqLiteConnection.Open();
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to open db connection", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }

                string sql = "DELETE FROM Users WHERE UserID=@UserID";
                using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                {
                    /*try
                     * {
                     *  UserExistsCheck(cmd, userModel, TypeOfExsistenceCheck.DoesNotExistInDB, RequestType.Add)
                     * }*/
                    cmd.CommandText = sql;
                    cmd.Prepare();

                    cmd.Parameters.AddWithValue("@UserID", userModel.UserID);
                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SQLiteException e)
                    {
                        dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to remove User from db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                        throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                    }
                    sqLiteConnection.Close();
                }
            }
        }
示例#13
0
        public bool Add(ISetModel setModel, ITopicModel topicModel, byte[] file)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            try
            {
                string path = Path.Combine(Base._setsFolder, setModel.SetName);
                if (Directory.Exists(path))
                {
                    return(false);
                }
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path);             //Create set folder
                }
                path = Path.Combine(path, topicModel.TopicName); //Change path to /SetName/TopicName
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path); //Create topic folder
                }
                string filename = Path.Combine(path, topicModel.TopicName);
                filename += ".rtf";
                if (!File.Exists(filename))
                {
                    //using(File.Create(filename));
                    using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write))
                    {
                        MemoryStream ms = new MemoryStream(file);
                        ms.WriteTo(fs);
                        fs.Close();
                        ms.Close();
                    }
                }

                path = Path.Combine(path, "Videos");
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path); //Create Videos folder
                }
                path = Path.Combine(path, "Thumbnails");
                if (!Directory.Exists(path))
                {
                    Directory.CreateDirectory(path); //Create Thumbnail folder
                }
                return(true);
            }
            catch (IOException e)
            {
                dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message, customMessage: "Set already exists", stackTrace: e.StackTrace);
                throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
            }
        }
示例#14
0
        public static SetModel GetByName(string selectedSet)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();


            try
            {
                int index = 0;
                //Get all sets
                foreach (string setFolder in Directory.GetDirectories(Base._setsFolder))
                {
                    _setModel         = new SetModel();
                    _setModel.SetName = setFolder.Remove(0, setFolder.LastIndexOf('\\') + 1);
                    _setModel.SetID   = index;

                    //If set folder matches passed in set name
                    if (setFolder.Remove(0, setFolder.LastIndexOf('\\') + 1) == selectedSet)
                    {
                        //Get set's topics from folder names
                        foreach (string topicFolder in Directory.GetDirectories(setFolder))
                        {
                            TopicModel topicModel = new TopicModel();

                            topicModel.TopicName = topicFolder.Remove(0, topicFolder.LastIndexOf('\\') + 1);

                            string tfile            = topicFolder + @"\" + topicModel.TopicName + ".rtf";
                            byte[] topicFileInBytes = Encoding.ASCII.GetBytes(tfile);
                            topicModel.TopicFile = topicFileInBytes; //Set topicModel.TopicFile
                            //Get list of videos
                            string videoFolder = Path.Combine(topicFolder, "Videos");
                            foreach (string topicVideo in Directory.GetFiles(videoFolder, ("*.mp4, *.avi")))
                            {
                                //TODO: Sort results?
                                topicModel.TopicVideos.Add(topicVideo);
                            }
                            _setModel.SetTopics.Add(topicModel); //Add topicModel to set
                        }
                        return(_setModel);
                    }
                    index++;
                }
            }
            catch (DirectoryNotFoundException e)
            {
                dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message, customMessage: $"Directory {_setModel.SetName} wasn't found", stackTrace: e.StackTrace);
                return(null);
                //throw new DataAccessException(dataAccessStatus);
            }
            return(null);
        }
示例#15
0
        public static void Delete(string selectedSetName)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            try
            {
                var path = Path.Combine(Base._setsFolder, selectedSetName);
                Directory.Delete(path, true);
            }
            catch (DirectoryNotFoundException e)
            {
                dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message, customMessage: $"Directory {SetModel.SelectedSet} wasn't found", stackTrace: e.StackTrace);
                throw new DataAccessException(dataAccessStatus);
            }
        }
        public IEnumerable <IDepartmentModel> GetAll()
        {
            List <DepartmentModel> departmentModels = new List <DepartmentModel>();
            DataAccessStatus       dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    string selectAllQuery = "Select * FROM [Departments]";


                    using (SqlCommand cmd = new SqlCommand(selectAllQuery, sqlConnection))
                    {
                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                DepartmentModel departmentModel = new DepartmentModel();
                                departmentModel.DepartmentId   = Int32.Parse(reader["ID"].ToString());
                                departmentModel.DepartmentName = reader["Name"].ToString();
                                departmentModel.PhoneNumber    = reader["PhoneNumber"].ToString();


                                if (!string.IsNullOrEmpty(reader["ManagerID"].ToString()))
                                {
                                    departmentModel.ManagerID = Int32.Parse(reader["ManagerID"].ToString());
                                }

                                departmentModels.Add(departmentModel);
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get Department Model list from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }
                return(departmentModels);
            }
        }
示例#17
0
        public IEnumerable <MealModel> GetAll(int id)
        {
            //throw new NotImplementedException();
            List <MealModel> mealModelList   = new List <MealModel>();
            DataAccessStatus dataAccesStatus = new DataAccessStatus();

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    //SQLitePCL.Batteries.Init();
                    string sql = "SELECT * FROM Meals";
                    sqLiteConnection.Open();
                    using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                    {
                        using (SQLiteDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                MealModel mealModel = new MealModel();
                                mealModel.MealID         = Int32.Parse(reader["MealID"].ToString());
                                mealModel.MealName       = reader["MealName"].ToString();
                                mealModel.MealPrice      = Int32.Parse(reader["MealPrice"].ToString());
                                mealModel.MealRestaurant = Int32.Parse(reader["MealRestaurant"].ToString());

                                mealModel.MealSaltTaste   = Int32.Parse(reader["MealSaltTaste"].ToString());
                                mealModel.MealSourTaste   = Int32.Parse(reader["MealSourTaste"].ToString());
                                mealModel.MealSpicyTaste  = Int32.Parse(reader["MealSpicyTaste"].ToString());
                                mealModel.MealSweetTaste  = Int32.Parse(reader["MealSweetTaste"].ToString());
                                mealModel.MealBitterTaste = Int32.Parse(reader["MealBitterTaste"].ToString());

                                if (mealModel.MealRestaurant == id)
                                {
                                    mealModelList.Add(mealModel);
                                }
                            }
                        }
                        sqLiteConnection.Close();
                    }
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to get Meal Model list from db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }
                return(mealModelList);
            }
        }
示例#18
0
        public static IEnumerable <ISetModel> GetAll()
        {
            List <SetModel>  setModelList     = new List <SetModel>();
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            try
            {
                int index = 0;
                //Get list of sets
                foreach (string setFolder in Directory.GetDirectories(Base._setsFolder))
                {
                    SetModel _setModel = new SetModel();
                    _setModel.SetName = setFolder.Remove(0, setFolder.LastIndexOf('\\') + 1);
                    _setModel.SetID   = index;

                    //Get list of topics
                    foreach (string topicFolder in Directory.GetDirectories(setFolder))
                    {
                        TopicModel topicModel = new TopicModel();
                        if (topicFolder != setFolder + @"\Videos")
                        {
                            topicModel.TopicName = topicFolder.Remove(0, topicFolder.LastIndexOf('\\') + 1);

                            string tfile            = topicFolder + @"\" + topicModel.TopicName + ".rtf";
                            byte[] topicFileInBytes = Encoding.ASCII.GetBytes(tfile);
                            topicModel.TopicFile = topicFileInBytes;
                            //Get list of videos
                            string videoFolder = Path.Combine(topicFolder, "Videos");
                            foreach (string topicVideo in Directory.GetFiles(videoFolder, ("*.mp4")))
                            {
                                //TODO: Sort results?
                                topicModel.TopicVideos.Add(topicVideo);
                            }
                            _setModel.SetTopics.Add(topicModel); //Add topicModel to setModel
                        }
                    }
                    setModelList.Add(_setModel); //Add setModel to setModelList
                    index++;
                }
            }
            catch (DirectoryNotFoundException e)
            {
                dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message, customMessage: "Directory doesn't exist", stackTrace: e.StackTrace);
                throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
            }
            return(setModelList);
        }
        public IEnumerable <IPaycheckModel> GetAll()
        {
            List <PaycheckModel> paychecks        = new List <PaycheckModel>();
            DataAccessStatus     dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    string selectAllQuery = "Select * FROM Paychecks";


                    using (SqlCommand cmd = new SqlCommand(selectAllQuery, sqlConnection))
                    {
                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                PaycheckModel paycheck = new PaycheckModel();
                                paycheck.ID             = Int32.Parse(reader["ID"].ToString());
                                paycheck.Amount         = Int32.Parse(reader["Amount"].ToString());
                                paycheck.EmployeeID     = Int32.Parse(reader["EmployeeID"].ToString());
                                paycheck.PayrollID      = Int32.Parse(reader["PayrollID"].ToString());
                                paycheck.ReceiptionDate = (DateTime)reader["ReceiptionDate"];

                                paychecks.Add(paycheck);
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get Paychecks list from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }
                return(paychecks);
            }
        }
        public IEnumerable <IAccountModel> GetAll()
        {
            List <AccountModel> departmentModels = new List <AccountModel>();
            DataAccessStatus    dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    string selectAllQuery = "Select * FROM Accounts";


                    using (SqlCommand cmd = new SqlCommand(selectAllQuery, sqlConnection))
                    {
                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                AccountModel account = new AccountModel();
                                account.ID         = Int32.Parse(reader["ID"].ToString());
                                account.Username   = reader["Username"].ToString();
                                account.Password   = reader["Password"].ToString();
                                account.EmployeeID = Int32.Parse(reader["EmployeeID"].ToString());
                                account.RoleID     = Int32.Parse(reader["RoleID"].ToString());

                                departmentModels.Add(account);
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get Accounts list from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }
                return(departmentModels);
            }
        }
示例#21
0
        public IEnumerable <IRoleModel> GetAll()
        {
            List <RoleModel> roleModels       = new List <RoleModel>();
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(this.connectionString))
            {
                try
                {
                    sqlConnection.Open();

                    string selectAllQuery = "Select * FROM [Roles]";


                    using (SqlCommand cmd = new SqlCommand(selectAllQuery, sqlConnection))
                    {
                        using (SqlDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                RoleModel roleModel = new RoleModel();
                                roleModel.ID   = Int32.Parse(reader["ID"].ToString());
                                roleModel.Name = string.Copy(reader["Name"].ToString());

                                roleModels.Add(roleModel);
                            }
                        }
                    }
                    sqlConnection.Close();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to get Role Model list from database", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }
                return(roleModels);
            }
        }
示例#22
0
        public IEnumerable <UserModel> GetAll()
        {
            //throw new NotImplementedException();
            List <UserModel> userModelList   = new List <UserModel>();
            DataAccessStatus dataAccesStatus = new DataAccessStatus();

            using (SQLiteConnection sqLiteConnection = new SQLiteConnection(_connectionString))
            {
                try
                {
                    //SQLitePCL.Batteries.Init();
                    string sql = "SELECT * FROM Users";
                    sqLiteConnection.Open();
                    using (SQLiteCommand cmd = new SQLiteCommand(sql, sqLiteConnection))
                    {
                        using (SQLiteDataReader reader = cmd.ExecuteReader())
                        {
                            while (reader.Read())
                            {
                                UserModel userModel = new UserModel();
                                userModel.UserID         = Int32.Parse(reader["UserID"].ToString());
                                userModel.UserEmail      = reader["UserEmail"].ToString();
                                userModel.UserName       = reader["UserName"].ToString();
                                userModel.UserPassword   = reader["UserPassword"].ToString();
                                userModel.UserRestaurant = Int32.Parse(reader["UserRestaurant"].ToString());
                                userModelList.Add(userModel);
                            }
                        }
                        sqLiteConnection.Close();
                    }
                }
                catch (SQLiteException e)
                {
                    dataAccesStatus.setValues(status: "Error", operationSucceded: false, exceptionMessage: e.Message, customMessage: "Unable to get User Model list from db", helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);
                    throw new DataAccessException(e.Message, e.InnerException, dataAccesStatus);
                }
                return(userModelList);
            }
        }
        public void Add(IAccountModel model)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to add Account. Could not open a database connection", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string addQuery =
                    "INSERT INTO Accounts (Username, Password, EmployeeID, RoleID) " +
                    "VALUES (@User, @Password, @EmployeeID, @RoleID)";

                using (SqlCommand cmd = new SqlCommand(null, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesNotExistInDB, RequestType.Add);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "Account could not be added because the username already exists.";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = addQuery;

                    SqlParameter username = new SqlParameter("@User", System.Data.SqlDbType.VarChar);
                    SqlParameter password = new SqlParameter("@Password", System.Data.SqlDbType.VarChar);
                    SqlParameter employee = new SqlParameter("@EmployeeID", System.Data.SqlDbType.Int);
                    SqlParameter role     = new SqlParameter("@RoleID", System.Data.SqlDbType.Int);

                    username.Value = model.Username;
                    password.Value = model.Password;
                    employee.Value = Convert.ToInt32(model.EmployeeID);
                    role.Value     = Convert.ToInt32(model.RoleID);

                    cmd.Parameters.Add(username);
                    cmd.Parameters.Add(password);
                    cmd.Parameters.Add(employee);
                    cmd.Parameters.Add(role);

                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to add the account.", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                                   stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }

                    //Confirm the Account Model was Added to the database
                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesExistInDB, RequestType.ConfirmAdd);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.Status             = "Error";
                        e.DataAccessStatusInfo.OperationSucceeded = false;
                        e.DataAccessStatusInfo.CustomMessage      = "Failed to find the account in database after add operation completed.";
                        e.DataAccessStatusInfo.ExceptionMessage   = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace         = string.Copy(e.StackTrace);

                        throw new DataAccessException(dataAccessStatus);
                    }

                    sqlConnection.Close();
                }
            }
        }
        public void Update(IAccountModel model)
        {
            int result = -1;
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to Update Acocunt " + model.Username + ". Could not open database connection.",
                                               helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string updateDepQuery =
                    "UPDATE Accounts " +
                    "SET Username = @User, " +
                    "Password = @Password, " +
                    "EmployeeID = @EmployeeID, " +
                    "RoleID = @RoleID " +
                    "WHERE ID =  @ID";

                using (SqlCommand cmd = new SqlCommand(updateDepQuery, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesExistInDB, RequestType.Update);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "Account " + model.Username + " could not be updated because it could not be found in the database";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = updateDepQuery;
                    SqlParameter user = new SqlParameter("@User", SqlDbType.VarChar, 20);
                    user.Value = model.Username;
                    SqlParameter password = new SqlParameter("@Password", SqlDbType.VarChar, 50);
                    password.Value = model.Password;

                    cmd.Parameters.Add(user);
                    cmd.Parameters.Add(password);
                    cmd.Parameters.AddWithValue("@EmployeeID", model.EmployeeID).SqlDbType = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@RoleID", model.RoleID).SqlDbType         = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@ID", model.ID).SqlDbType = SqlDbType.Int;

                    cmd.Prepare();

                    try
                    {
                        result = cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to Update The Account",
                                                   helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }
                }
                sqlConnection.Close();
            }
        }
示例#25
0
        public void Add(IRoleModel roleModel)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to add Role Model. Could not open a database connection", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string addQuery =
                    "INSERT INTO [Roles] ([Name]) " +
                    "VALUES (@Name)";

                using (SqlCommand cmd = new SqlCommand(null, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, roleModel, TypeOfExistenceCheck.DoesNotExistInDB, RequestType.Add);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "Role model could not be added because it is already in the database.";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = addQuery;

                    SqlParameter roleName = new SqlParameter("@Name", System.Data.SqlDbType.VarChar, 20);
                    roleName.Value = roleModel.Name;
                    cmd.Parameters.Add(roleName);


                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to add Role Model.", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                                   stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }

                    //Confirm the Department Model was Added to the database
                    try
                    {
                        RecordExistsCheck(cmd, roleModel, TypeOfExistenceCheck.DoesExistInDB, RequestType.ConfirmAdd);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.Status             = "Error";
                        e.DataAccessStatusInfo.OperationSucceeded = false;
                        e.DataAccessStatusInfo.CustomMessage      = "Failed to find role model in database after add operation completed.";
                        e.DataAccessStatusInfo.ExceptionMessage   = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace         = string.Copy(e.StackTrace);

                        throw new DataAccessException(dataAccessStatus);
                    }

                    sqlConnection.Close();
                }
            }
        }
        public void Remove(IAccountModel model)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to Delete The Account. Could not open database connection.",
                                               helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string deleteQuery = "DELETE FROM Accounts WHERE ID = @ID";

                using (SqlCommand cmd = new SqlCommand(deleteQuery, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesExistInDB, RequestType.Delete);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "Account " + model.Username + " could not be deleted because it could not be found in the database";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = deleteQuery;

                    cmd.Prepare();
                    cmd.Parameters.AddWithValue("@ID", model.ID);

                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to Delete The Account.",
                                                   helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }

                    //Confirm that the department model has been deleted

                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesNotExistInDB, RequestType.ConfirmDelete);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.Status             = "Error";
                        e.DataAccessStatusInfo.OperationSucceeded = false;
                        e.DataAccessStatusInfo.CustomMessage      = "Failed to Delete The Account in Database";
                        e.DataAccessStatusInfo.ExceptionMessage   = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace         = string.Copy(e.StackTrace);

                        throw e;
                    }
                }
                sqlConnection.Close();
            }
        }
        public void Update(IDepartmentModel departmentModel)
        {
            int result = -1;
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to Update Department Model. Could not open database connection.",
                                               helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string updateDepQuery =
                    "UPDATE [Departments]" +
                    "SET [Name] = @DepartmentName," +
                    "[PhoneNumber] = @PhoneNumber ," +
                    "[ManagerID] = @ManagerId " +
                    "WHERE [ID] =  @DepartmentId ";

                using (SqlCommand cmd = new SqlCommand(updateDepQuery, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, departmentModel, TypeOfExistenceCheck.DoesExistInDB, RequestType.Update);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "Department model could not be updated because it could not be found in the database";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = updateDepQuery;

                    cmd.Parameters.Add("@DepartmentName", System.Data.SqlDbType.NVarChar, 40).Value = departmentModel.DepartmentName;
                    cmd.Parameters.Add("@PhoneNumber", System.Data.SqlDbType.NVarChar, 20).Value    = departmentModel.PhoneNumber;

                    if (!(departmentModel.ManagerID == 0))
                    {
                        cmd.Parameters.Add("@ManagerId", System.Data.SqlDbType.Int).Value = Convert.ToInt32(departmentModel.ManagerID);
                    }
                    else
                    {
                        cmd.Parameters.Add("@ManagerId", System.Data.SqlDbType.Int).Value = DBNull.Value;
                    }
                    cmd.Parameters.Add("@DepartmentId", System.Data.SqlDbType.Int).Value = Convert.ToInt32(departmentModel.DepartmentId);

                    cmd.Prepare();


                    try
                    {
                        result = cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to Update Department Model.",
                                                   helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }
                }
                sqlConnection.Close();
            }
        }
        public void Add(IDepartmentModel departmentModel)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to add Department Model. Could not open a database connection", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string addQuery =
                    "INSERT INTO [Departments] ([Name], PhoneNumber, ManagerID) " +
                    "VALUES (@DepartmentName, @PhoneNumber, @ManagerId)";

                using (SqlCommand cmd = new SqlCommand(null, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, departmentModel, TypeOfExistenceCheck.DoesNotExistInDB, RequestType.Add);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "Department model could not be added because it is already in the database.";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = addQuery;

                    SqlParameter depName = new SqlParameter("@DepartmentName", System.Data.SqlDbType.VarChar, 40);
                    SqlParameter phone   = new SqlParameter("@PhoneNumber", System.Data.SqlDbType.VarChar, 20);
                    SqlParameter manID   = new SqlParameter("@ManagerId", System.Data.SqlDbType.Int);

                    depName.Value    = departmentModel.DepartmentName;
                    phone.Value      = departmentModel.PhoneNumber;
                    manID.IsNullable = true;


                    if (!(departmentModel.ManagerID == 0))
                    {
                        manID.Value = Convert.ToInt32((departmentModel.ManagerID));
                    }
                    else
                    {
                        manID.Value = DBNull.Value;
                    }
                    cmd.Parameters.Add(depName);
                    cmd.Parameters.Add(phone);
                    cmd.Parameters.Add(manID);



                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to add Department Model.", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                                   stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }

                    //Confirm the Department Model was Added to the database
                    try
                    {
                        RecordExistsCheck(cmd, departmentModel, TypeOfExistenceCheck.DoesExistInDB, RequestType.ConfirmAdd);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.Status             = "Error";
                        e.DataAccessStatusInfo.OperationSucceeded = false;
                        e.DataAccessStatusInfo.CustomMessage      = "Failed to find deaptment model in database after add o[eration completed.";
                        e.DataAccessStatusInfo.ExceptionMessage   = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace         = string.Copy(e.StackTrace);

                        throw new DataAccessException(dataAccessStatus);
                    }

                    sqlConnection.Close();
                }
            }
        }
        public void Add(IPaycheckModel model)
        {
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to add paycheck. Could not open a database connection", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                               stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string addQuery =
                    "INSERT INTO Paychecks (Amount, EmployeeID, PayrollID) " +
                    "VALUES (@Amount, @EmployeeID, @PayrollID)";

                using (SqlCommand cmd = new SqlCommand(null, sqlConnection))
                {
                    cmd.CommandText = addQuery;

                    cmd.Parameters.AddWithValue("@Amount", model.Amount).SqlDbType         = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@EmployeeID", model.EmployeeID).SqlDbType = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@PayrollID", model.PayrollID).SqlDbType   = SqlDbType.Int;

                    try
                    {
                        cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to add the paycheck.", helpLink: e.HelpLink, errorCode: e.ErrorCode,
                                                   stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }

                    //Confirm the Paycheck Model was Added to the database
                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesExistInDB, RequestType.ConfirmAdd);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.Status             = "Error";
                        e.DataAccessStatusInfo.OperationSucceeded = false;
                        e.DataAccessStatusInfo.CustomMessage      = "Failed to find the paycheck in database after add operation completed.";
                        e.DataAccessStatusInfo.ExceptionMessage   = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace         = string.Copy(e.StackTrace);

                        throw new DataAccessException(dataAccessStatus);
                    }

                    sqlConnection.Close();
                }
            }
        }
        public void Update(IPaycheckModel model)
        {
            int result = -1;
            DataAccessStatus dataAccessStatus = new DataAccessStatus();

            using (SqlConnection sqlConnection = new SqlConnection(connectionString))
            {
                try
                {
                    sqlConnection.Open();
                }
                catch (SqlException e)
                {
                    dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                               customMessage: "Unable to Update Paycheck. Could not open database connection.",
                                               helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                    throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                }

                string updateDepQuery =
                    "UPDATE Paychecks " +
                    "SET Amount = @Amount, " +
                    "EmployeeID = @EmployeeID, " +
                    "PayrollID = @PayrollID " +
                    "WHERE ID =  @ID";

                using (SqlCommand cmd = new SqlCommand(updateDepQuery, sqlConnection))
                {
                    try
                    {
                        RecordExistsCheck(cmd, model, TypeOfExistenceCheck.DoesExistInDB, RequestType.Update);
                    }
                    catch (DataAccessException e)
                    {
                        e.DataAccessStatusInfo.CustomMessage    = "paycheck could not be updated because it could not be found in the database";
                        e.DataAccessStatusInfo.ExceptionMessage = string.Copy(e.Message);
                        e.DataAccessStatusInfo.StackTrace       = string.Copy(e.StackTrace);

                        throw e;
                    }

                    cmd.CommandText = updateDepQuery;

                    cmd.Parameters.AddWithValue("@Amount", model.Amount).SqlDbType         = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@PayrollID", model.PayrollID).SqlDbType   = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@EmployeeID", model.EmployeeID).SqlDbType = SqlDbType.Int;
                    cmd.Parameters.AddWithValue("@ID", model.ID).SqlDbType = SqlDbType.Int;

                    cmd.Prepare();
                    try
                    {
                        result = cmd.ExecuteNonQuery();
                    }
                    catch (SqlException e)
                    {
                        dataAccessStatus.setValues(status: "Error", operationSucceeded: false, exceptionMessage: e.Message,
                                                   customMessage: "Unable to Update The Paycheck",
                                                   helpLink: e.HelpLink, errorCode: e.ErrorCode, stackTrace: e.StackTrace);

                        throw new DataAccessException(e.Message, e.InnerException, dataAccessStatus);
                    }
                }
                sqlConnection.Close();
            }
        }