/// <summary>
/// Zapis danych do pliku XML.
/// </summary>
/// <param name="path">Adres pliku do odczytu.</param>
/// <param name="cCollection">Argument zawieraj¹cy kolekcjê odczytów.</param>
/// <param name="SaveFile">Okreœla poprawnoœæ zapisu danych.</param>
public static void WriteToXml(string path, CountersCollection cCollection, out bool SaveFile)
{
try
{
System.Xml.Serialization.XmlSerializer writer =
new System.Xml.Serialization.XmlSerializer(typeof(CountersCollection));
System.IO.StreamWriter file = new System.IO.StreamWriter(path);
writer.Serialize(file, cCollection);
file.Close();
SaveFile = false;
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
SaveFile = true;
}
}
/// <summary>
/// Wczytywanie rekordów z pliku XML.
/// </summary>
/// <param name="path">Adres pliku do odczytu.</param>
/// <param name="cCollection">Argument wejœciowo/wyjœciowy zawieraj¹cy kolekcjê odczytów.</param>
/// <param name="toDataBase">Argument informuj¹cy o koniecznoœci zapisu danych do bazy.</param>
public static void ReadFromXml(string path, bool toDataBase, out CountersCollection cCollection)
{
cCollection = null;
try
{
XmlSerializer serializer = new XmlSerializer(typeof(CountersCollection));
StreamReader reader = new StreamReader(path);
cCollection = (CountersCollection)serializer.Deserialize(reader);
reader.Close();
if (cCollection != null && toDataBase)
cCollection.AddNewElementsToDataBase();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
/// <summary>
/// Metoda inicjalizująca wyświetlanie listy rekordów.
/// </summary>
public void InitializeForm()
{
listViewC = new ListView();
cCollection = new CountersCollection();
cCollection.collectorId = this.collectorId;
int i = 1;
using (var dataBase = new CollectorsManagementSystemEntities())
{
var items = from collector in dataBase.Collectors
join area in dataBase.Areas on collector.CollectorId equals area.CollectorId
join address in dataBase.Addresses on area.AreaId equals address.AreaId
join counter in dataBase.Counters on address.AddressId equals counter.AddressId
where collector.CollectorId == this.collectorId
select new
{
CounterNo = counter.CounterNo,
CircuitNo = counter.CircuitNo,
CounterAddress = area.Street + " " + address.HouseNo + "/" + address.FlatNo,
CustomerId = counter.CustomerId
};
foreach (var element in items)
{
var dateSub = DateTime.Now.Subtract(new TimeSpan(30, 0, 0, 0));
var firstMethod = from read in dataBase.Readings
where read.Date > dateSub
where read.CounterNo == element.CounterNo
select read;
if (firstMethod.Count() == 0)
{
string date, value, collectorId, collectorName, customerName;
date = value = collectorName = String.Empty;
var lastReading = from read in dataBase.Readings
where read.CounterNo == element.CounterNo
select read;
if (lastReading.Count() > 0)
{
var lastRead = lastReading.OrderByDescending(x => x.Date).FirstOrDefault();
date = lastRead.Date.ToShortDateString() ?? String.Empty;
value = lastRead.Value.ToString() ?? String.Empty;
collectorId = lastRead.CollectorId ?? String.Empty;
try
{
var collectorRead = (from collector in dataBase.Collectors
where collector.CollectorId == collectorId
select new { collector.Name, collector.LastName }).FirstOrDefault();
collectorName = collectorId + " " + collectorRead.Name + " " + collectorRead.LastName;
}
catch
{
collectorName = "---";
}
}
else
date = value = collectorName = String.Empty;
var cutomerRead = (from customer in dataBase.Customers
where element.CustomerId == customer.CustomerId
select new { customer.Name, customer.LastName }).FirstOrDefault();
if (cutomerRead != null)
customerName = cutomerRead.Name + " " + cutomerRead.LastName;
else
customerName = String.Empty;
{
CounterXML newItem = new CounterXML();
newItem.ReadId = i++.ToString();
newItem.CounterNo = element.CounterNo.ToString();
newItem.CircuitNo = element.CircuitNo.ToString();
newItem.Customer = customerName;
newItem.Address = element.CounterAddress;
newItem.LastReadDate = date;
newItem.LastValue = value;
newItem.LastCollector = collectorName;
newItem.NewValue = String.Empty;
cCollection.AddNewElement(newItem);
nrOfCounters++;
}
}
}
}
listViewC = ListViewConfig.ListViewInit(columnList, this.GetType().Name);
if ( cCollection.RecordsCount > 0 )
foreach (var element in cCollection.counter)
ListViewConfig.AddItem(listViewC, element.PrintStringArray);
listViewC.MultiSelect = false;
listViewC.Size = new System.Drawing.Size(750, 450);
if (nrOfCounters == 0)
btExport.Enabled = false;
this.Controls.Add(listViewC);
}
/// <summary>
/// Export ( wysłanie ) danych do pliku XML.
/// </summary>
/// <param name="sender">Obiekt eventu.</param>
/// <param name="e">Argument eventu.</param>
private void btExport_Click(object sender, EventArgs e)
{
CountersCollection collection = new CountersCollection();
SaveFileDialog saveFileDialog = new SaveFileDialog();
saveFileDialog.InitialDirectory = @"C:\";
saveFileDialog.DefaultExt = "xml";
saveFileDialog.Filter = "XML file|*.xml";
saveFileDialog.FilterIndex = 1;
saveFileDialog.Title = "Zapisz dane";
DialogResult check = saveFileDialog.ShowDialog();
if (saveFileDialog.FileName == String.Empty && check == DialogResult.OK)
MessageBox.Show(LangPL.CountersWarnings["wrongFileName"]);
else if (check == DialogResult.OK)
{
bool test;
StaticXML.WriteToXml(saveFileDialog.FileName, cCollection, out test);
}
}
