/// <summary>
/// Load a model to edit.
/// </summary>
/// <param name="path">path of the file to load</param>
public void Load(string path)
{
this.Observations.Reset();
try
{
string filename = Path.GetFileName(path);
string year = Path.GetFileName(Path.GetDirectoryName(path));
RawObservations observations =
XmlFileIo.ReadXml <RawObservations>(
path);
this.Observations.LoadObservations(
observations,
filename,
year);
}
catch (Exception ex)
{
string errorDescription = $"Error loading {this.Observations.Filename}";
AppStatusMessage message =
new AppStatusMessage(
errorDescription);
Messenger.Default.Send(message);
this.logger.WriteLine(
$"Event Entry Save : {errorDescription}: {ex}");
}
}
/// <summary>
/// Get a new date in the model.
/// </summary>
/// <returns>model date</returns>
public DateTime GetDate()
{
bool conversionIsFaulty = false;
int day = 0;
int month = 0;
int year = 0;
DateTime returnDate;
string[] dateArray = this.observations.Date.Split('/');
if (dateArray.Length != 3)
{
conversionIsFaulty = true;
}
else
{
if (!int.TryParse(dateArray[0], out day))
{
conversionIsFaulty = true;
}
if (!int.TryParse(dateArray[1], out month))
{
conversionIsFaulty = true;
}
if (!int.TryParse(dateArray[2], out year))
{
conversionIsFaulty = true;
}
}
if (conversionIsFaulty)
{
AppStatusMessage message =
new AppStatusMessage(
$"Date {this.observations.Date} is invalid. Using Now.");
Messenger.Default.Send(message);
returnDate = DateTime.Now;
}
else
{
returnDate =
new DateTime(
year,
month,
day);
}
return(returnDate);
}
/// <summary>
/// Save the current model.
/// </summary>
/// <returns>success flag</returns>
public bool Save()
{
if (string.IsNullOrWhiteSpace(this.Observations.GetLocation()))
{
string faultString = "Can't save, no location provided.";
logger.WriteLine($"Event Entry Save: {faultString}");
AppStatusMessage message =
new AppStatusMessage(
faultString);
Messenger.Default.Send(message);
return(false);
}
string path = $"{DataPath.RawDataPath}\\{this.Observations.Year}";
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
try
{
XmlFileIo.WriteXml(
this.Observations.GetObservations(),
$"{path}\\{this.Observations.Filename}");
}
catch (Exception ex)
{
string errorDescription = $"Error saving {this.Observations.Filename}";
AppStatusMessage message =
new AppStatusMessage(
errorDescription);
Messenger.Default.Send(message);
this.logger.WriteLine(
$"Event Entry Save : {errorDescription}: {ex}");
}
this.Observations.Reset();
return(true);
}
/// <summary>
/// Select a new page for the view.
/// </summary>
/// <param name="newPageName">
/// Name of the page to display.
/// </param>
private void NewPage(string newPageName)
{
this.SetMonth(newPageName);
List <string> eventPaths = this.FindEventPaths();
this.Events.Clear();
foreach (string eventPath in eventPaths)
{
try
{
RawObservations observations =
XmlFileIo.ReadXml <RawObservations>(
eventPath);
ICalendarItem calendarItem =
new CalendarItem(
observations.Date.Substring(0, 2),
observations.Location,
observations.Intensity,
eventPath,
this.openEventCommand);
this.Events.Add(calendarItem);
}
catch (Exception ex)
{
string errorDescription = $"Error loading {eventPath}";
AppStatusMessage message =
new AppStatusMessage(
errorDescription);
Messenger.Default.Send(message);
this.logger.WriteLine(
$"Calendar view model : {errorDescription}: {ex}");
}
}
this.RaisePropertyChangedEvent(nameof(this.Events));
}
/// <summary>
/// Load a file and store it in the Data Manager
/// </summary>
/// <param name="path">path of the file to load</param>
private void LoadFile(string path)
{
try
{
Beastie beastie =
XmlFileIo.ReadXml <Beastie>(
path);
this.dataManager.AddBeastie(beastie);
}
catch (Exception ex)
{
AppStatusMessage message =
new AppStatusMessage(
$"Error loading {path}");
Messenger.Default.Send(message);
this.logger.WriteLine(
$"Error loading {path}: {ex}");
}
}
/// <summary>
/// Update the status with the contents of the latest message.
/// </summary>
/// <param name="message">
/// Message received via the MVVM messenger service.
/// </param>
private void NewStatus(AppStatusMessage message)
{
this.Status = message.Status;
}
