/// <summary>
/// btnSetSiteGPS Click event.
/// Makes an async call to the CurrentGPS.CurrentLocation function.
/// On success it sets the User's current location, on fail it does not.
/// In either situation the User will be notified.
/// Note: This is the second most important function in collNotes, as the GPS coordinates serve a purpose later on.
/// </summary>
/// <param name="sender">Sender.</param>
/// <param name="e">E.</param>
public async void btnSetSiteGPS_Clicked(object sender, EventArgs e)
{
lblStatusMessage.IsVisible = true;
lblStatusMessage.TextColor = Color.Orange;
lblStatusMessage.Text = "Getting Location...";
Plugin.Geolocator.Abstractions.Position currentPosition;
currentPosition = await CurrentGPS.CurrentLocation();
if (currentPosition is null)
{
lblStatusMessage.TextColor = Color.Red;
lblStatusMessage.Text = "Failed to get location";
DependencyService.Get <ICrossPlatformToast>().ShortAlert("collNotes requires Location permission, and Location must be enabled!");
}
else
{
// 0 - 20 good
if (currentPosition.Accuracy >= 0 && currentPosition.Accuracy <= 20)
{
lblStatusMessage.TextColor = Color.Green;
}
// 21 - 30 ok
else if (currentPosition.Accuracy >= 21 && currentPosition.Accuracy <= 30)
{
lblStatusMessage.TextColor = Color.Yellow;
}
// 31 - ... poor
else
{
lblStatusMessage.TextColor = Color.Orange;
}
lblStatusMessage.Text = "Location Received";
siteGPS = currentPosition.Latitude.ToString() + "," + currentPosition.Longitude.ToString() + "," + currentPosition.Accuracy.ToString() + "," + currentPosition.Altitude.ToString();
}
}
public async void btnAddSpecimen_Clicked(object sender, EventArgs e)
{
try
{
// get all sites for current Project
List <Trip> tripList = DataFunctions.GetTrips(project.ProjectName);
List <Site> allSites = new List <Site>();
foreach (Trip trip in tripList)
{
List <Site> tripSiteList = DataFunctions.GetSites(trip.TripName);
foreach (Site site in tripSiteList)
{
allSites.Add(site);
}
}
string[] sites = new string[allSites.Count + 1];
for (int i = 0; i < sites.Length - 1; i++)
{
sites[i] = allSites[i].SiteName;
}
sites[allSites.Count] = "Specimen-" + (AppVariables.CollectionCount + 1).ToString();
var action = await DisplayActionSheet("Choose a Site, or add default Specimen", "Cancel", null, sites);
Debug.WriteLine("Action chosen: " + action);
if (action.Equals("Cancel"))
{
return;
}
if (action.Contains("Specimen"))
{
// if trip-today exists, add to it
// else add trip-today, add to it
Trip trip = new Trip
{
ProjectName = project.ProjectName,
TripName = "Trip-" + DateTime.Now.ToString("MM-dd-yyyy"),
CollectionDate = DateTime.Now
};
if (!DataFunctions.CheckExists(new Trip(), "Trip-" + DateTime.Now.ToString("MM-dd-yyyy")))
{
DataFunctions.InsertObject(trip);
}
// if site-today exists, add to it
// else add site-today, add to it
Site site = new Site
{
SiteName = "Site-" + DateTime.Now.ToString("MM-dd-yyyy"),
TripName = trip.TripName
};
if (!DataFunctions.CheckExists(site, site.SiteName))
{
Plugin.Geolocator.Abstractions.Position position = await CurrentGPS.CurrentLocation();
if (!(position is null))
{
site.GPSCoordinates = position.Latitude.ToString() + "," + position.Longitude.ToString() + "," + position.Accuracy.ToString() + "," + position.Altitude.ToString();
}
DataFunctions.InsertObject(site);
}
// add this specimen to the specimen database
// message user that specimen was added
Specimen specimen = new Specimen
{
SiteName = site.SiteName,
SpecimenName = action,
SpecimenNumber = AppVariables.CollectionCount,
GPSCoordinates = site.GPSCoordinates
};
DataFunctions.InsertObject(specimen);
AppVariables.CollectionCount += 1;
DependencyService.Get <ICrossPlatformToast>().ShortAlert(action + " saved!");
// anytime we add a specimen we need to write back the CollectionCount
AppVarsFile.WriteAppVars();
}
else
{
await Navigation.PushAsync(new SpecimenPage(DataFunctions.GetSiteByName(action)));
}
}
catch (Exception ex)
{
// no Sites have been saved, no Site table to query against
DependencyService.Get <ICrossPlatformToast>().ShortAlert("Create Site first!");
Debug.WriteLine(ex.Message);
}
}