private void Window_Loaded(object sender, RoutedEventArgs e)
{
ex = new SqlExecute(connectionString);
AddOrderDate.SelectedDate = DateTime.Now;
MySqlDataReader reader = ex.returnResult("select title from details where iddetails =" + missingDetails[0]);
if (reader.HasRows)
{
while (reader.Read())
{
AddOrderDetailTitle.Text = reader.GetString(0);
}
}
ex.closeCon();
AddOrderPrice.Text = "0₴";
}
public MainWindow()
{
InitializeComponent();
StreamReader sReader = new StreamReader(@"settings.txt");
string connString = "";
while (!sReader.EndOfStream)
{
connString += sReader.ReadLine() + ";";
}
sReader.Close();
connectionstring = "server=" + connString.Split(';')[0].Split(':')[1] + ";database=" + connString.Split(';')[1].Split(':')[1] + ";uid=" + connString.Split(';')[2].Split(':')[1] + ";password="******";";
ex = new SqlExecute(connectionstring);
hd = new HideAllGrids(this);
RepairForecast rp = new RepairForecast();
}
public static string Forecast(string titlemalfunction, string connectionString)
{
//double d = 0;
//получаю месяцы
SqlExecute ex = new SqlExecute(connectionString);
MySqlDataReader reader = ex.returnResult("SELECT DISTINCT DATE_FORMAT(repairorders.datestart, '%m-%Y') FROM repairorders_malfunctions inner join repairorders using (idrepairorders) ");
if (reader == null)
{
return("DataBaseError-0001_0");
}
List <string> MonthLs = new List <string>();
if (reader.HasRows)
{
while (reader.Read())
{
MonthLs.Add(reader.GetString(0));
}
}
ex.closeCon();
string forecastMonth = MonthLs[MonthLs.Count - 1];
DateTime dt = new DateTime(Convert.ToInt32(forecastMonth.Split('-')[1]), Convert.ToInt32(forecastMonth.Split('-')[0]), 1);
dt = dt.AddMonths(1);
MonthLs.Add(dt.ToShortDateString().Split('.')[1] + "-" + dt.ToShortDateString().Split('.')[2]);
//получаю фактические значения в месяце
List <double> valueLs = new List <double>();
for (int i = 0; i < MonthLs.Count - 1; i++)
{
reader = ex.returnResult("select count(recordid) from repairorders_malfunctions inner join repairorders using (idrepairorders) where idmalfunctions = (select idmalfunctions from malfunctions where title='" + titlemalfunction + "') and Year(repairorders.datestart)=" + MonthLs[i].Split('-')[1] + " and Month(repairorders.datestart) = " + MonthLs[i].Split('-')[0]);
if (reader == null)
{
return("DataBaseError-0001_0");
}
if (reader.HasRows)
{
while (reader.Read())
{
valueLs.Add(Convert.ToDouble(reader.GetInt32(0)));
}
}
ex.closeCon();
}
ex.closeCon();
//расчёт а и b
double a;
double b;
double SummYfMultX = 0;
double SummYfMultSummX;
double SummX = 0;
double SummYf = 0;
double SumSqrX = 0;
for (int i = 0; i < valueLs.Count; i++)
{
SummYfMultX += valueLs[i] * (i + 1);
SummX += (i + 1);
SummYf += valueLs[i];
SumSqrX += Math.Pow((i + 1), 2);
}
SummYfMultSummX = SummX * SummYf;
a = (SummYfMultX - (SummYfMultSummX / valueLs.Count())) / (SumSqrX - (Math.Pow(SummX, 2) / valueLs.Count()));
b = (SummYf / valueLs.Count()) - ((a * SummX) / valueLs.Count());
//вычисление расчётного числа
valueLs.Add(a * (valueLs.Count() + 1) + b);
//парсинг для передачи
string returnString = "";
switch (MonthLs[MonthLs.Count - 1].Split('-')[0])
{
case "01": { returnString = "January-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "02": { returnString = "February-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "03": { returnString = "March-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "04": { returnString = "April-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "05": { returnString = "May-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "06": { returnString = "June-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "07": { returnString = "July-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "08": { returnString = "August-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "09": { returnString = "September-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "10": { returnString = "October-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "11": { returnString = "November-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
case "12": { returnString = "December-" + MonthLs[MonthLs.Count - 1].Split('-')[1] + "_" + valueLs[valueLs.Count - 1].ToString(); break; }
}
return(returnString);
}
