// Copy data from auto-generates MySql classes to code first made classes for MS SQL Database
public static void TransferData(SupermarketModel mySQL, SupermarketContext msSQL)
{
foreach (var measure in mySQL.Measures)
{
var newMeasure = new SupermarketDB.Models.Measure
{
MeasureID = measure.MeasureID,
MeasureName = measure.MeasureName
};
msSQL.Measures.Add(newMeasure);
msSQL.SaveChanges();
}
foreach (var vendor in mySQL.Vendors)
{
var newVendor = new SupermarketDB.Models.Vendor
{
VendorID = vendor.VendorID,
VendorName = vendor.VendorName
};
msSQL.Vendors.Add(newVendor);
msSQL.SaveChanges();
}
}
public static void TransferDataConnTable(SupermarketModel mySQL, SupermarketContext msSQL)
{
foreach (var product in mySQL.Products)
{
var newProduct = new SupermarketDB.Models.Product
{
ProductID = product.ProductID,
VendorID = product.VendorID,
MeasureID = product.MeasureID,
ProductName = product.ProductName,
BasePrice = product.BasePrice
};
msSQL.Products.Add(newProduct);
msSQL.SaveChanges();
}
}
public static void TransferDataFromExcelToDB(SupermarketContext DBconn, string directory)
{
DirectoryInfo dir = new DirectoryInfo(directory);
var directories = dir.GetDirectories();
foreach (var d in directories)
{
var date = DateTime.Parse(d.Name);
var files = d.GetFiles();
foreach (var f in files)
{
string excelFile = f.FullName;
string connectionString = @"Provider=Microsoft.ACE.OLEDB.12.0;" +
@"Data Source=" + excelFile + ";" +
@"Extended Properties='Excel 12.0 Xml;HDR=YES'";
OleDbConnection conn = new OleDbConnection(connectionString);
conn.Open();
DataSet newDataSet = new DataSet();
using (conn)
{
OleDbCommand cmd = new OleDbCommand("SELECT * from [Sales$]", conn);
OleDbDataAdapter newDataAdapter = new OleDbDataAdapter(cmd);
newDataAdapter.Fill(newDataSet, "Sales");
}
DataTable table = newDataSet.Tables[0];
// Get supermarket name
DataRow row = table.Rows[0];
DataColumn col = table.Columns[0];
string line = row[col].ToString();
int spaceIndex = line.IndexOf(' ');
string supermarketName = line.Substring(spaceIndex + 1);
decimal sum = decimal.Parse(table.Rows[table.Rows.Count - 1][table.Columns.Count - 1].ToString());
List<decimal[]> allData = new List<decimal[]>();
for (int r = 2; r < table.Rows.Count - 1; r++)
{
DataRow dataRow = table.Rows[r];
var productData = new decimal[4];
decimal result = 0;
for (int c = 0; c < 4; c++)
{
DataColumn dataCol = table.Columns[c];
decimal.TryParse(dataRow[dataCol].ToString(), out result);
productData[c] = result;
}
if (result != 0)
{
allData.Add(productData);
}
}
foreach (var report in allData)
{
var productId = (int)report[0];
var quantity = (int)report[1];
var unitPrice = report[2];
var reportSum = report[3];
var saleReport = new SaleReport
{
ProductID = productId,
Quantity = quantity,
UnitPrice = unitPrice,
Sum = reportSum,
SupermarketName = supermarketName,
ReportDate = date
};
DBconn.SalesReports.Add(saleReport);
DBconn.SaveChanges();
}
}
}
}
