public Dictionary <LocationCoordinate, LocationDescription> ReadAllLocationsData()
{
Dictionary <LocationCoordinate, LocationDescription> locations = new Dictionary <LocationCoordinate, LocationDescription>();
Mono.Data.Sqlite.SqliteTransaction sqlTransactionSelect;
do
{
sqlTransactionSelect = dbTools.TransactionBeginSelect();
#region SELECT Latitude, Longitude, Name, City, Province, Country FROM LocationName
string sqlCommand = "SELECT Latitude, Longitude, Name, City, Province, Country FROM LocationName";
using (CommonSqliteCommand commandDatabase = new CommonSqliteCommand(sqlCommand, dbTools.ConnectionDatabase, sqlTransactionSelect))
{
//commandDatabase.Prepare();
using (CommonSqliteDataReader reader = commandDatabase.ExecuteReader())
{
while (reader.Read())
{
LocationCoordinate locationCoordinate = new LocationCoordinate(
(float)dbTools.ConvertFromDBValFloat(reader["Latitude"]),
(float)dbTools.ConvertFromDBValFloat(reader["Longitude"]));
LocationDescription locationDescription = new LocationDescription(
dbTools.ConvertFromDBValString(reader["Name"]),
dbTools.ConvertFromDBValString(reader["City"]),
dbTools.ConvertFromDBValString(reader["Province"]),
dbTools.ConvertFromDBValString(reader["Country"]));
if (!locations.ContainsKey(locationCoordinate))
{
locations.Add(locationCoordinate, locationDescription);
}
LocationCoordinateAndDescriptionUpdate(locationCoordinate, locationCoordinate, locationDescription);
}
}
}
#endregion
} while (!dbTools.TransactionCommitSelect(sqlTransactionSelect));
return(locations);
}
private void LocationCoordinateAndDescriptionUpdate(LocationCoordinate locationCoordinateSearch, LocationCoordinate locationCoordinateInDatabase, LocationDescription locationDescription)
{
lock (locationCoordinateAndDescriptionCacheLock)
{
if (!locationCoordinateConvertFromSearchToDatabaseCache.ContainsKey(locationCoordinateSearch))
{
locationCoordinateConvertFromSearchToDatabaseCache.Add(locationCoordinateSearch, locationCoordinateInDatabase);
}
else
{
locationCoordinateConvertFromSearchToDatabaseCache[locationCoordinateSearch] = locationCoordinateInDatabase;
}
if (!locationCoordinateAndDescriptionInDatbaseCache.ContainsKey(locationCoordinateInDatabase))
{
locationCoordinateAndDescriptionInDatbaseCache.Add(locationCoordinateInDatabase, locationDescription);
}
else
{
locationCoordinateAndDescriptionInDatbaseCache[locationCoordinateInDatabase] = locationDescription;
}
}
}
public LocationCoordinateAndDescription AddressLookupAndReverseGeocoder(
LocationCoordinate locationCoordinateSearch, float locationAccuracyLatitude, float locationAccuracyLongitude,
bool onlyFromCache, bool canReverseGeocoder, LocationDescription metadataLocationDescription, bool forceReloadUsingReverseGeocoder)
{
if (locationCoordinateSearch == null)
{
//DEBUG
return(null);
}
#region Only From Cache - Nothing in cache - ** return null **
if (onlyFromCache && !LocationCoordinateAndDescriptionExsistInCache(locationCoordinateSearch))
{
return(null);
}
#endregion
if (!forceReloadUsingReverseGeocoder)
{
#region If exist - ** Return ** location from Cache or Database
LocationCoordinateAndDescription locationInDatbaseCoordinateAndDescription =
ReadLocationNameFromDatabaseOrCache(locationCoordinateSearch, locationAccuracyLatitude, locationAccuracyLongitude);
if (locationInDatbaseCoordinateAndDescription != null)
{
return(locationInDatbaseCoordinateAndDescription);
}
#endregion
#region If not exist in Database, but Metadata has Location info, save it and ** return it ***
if (metadataLocationDescription != null)
{
locationInDatbaseCoordinateAndDescription = new LocationCoordinateAndDescription(
locationCoordinateSearch, metadataLocationDescription);
WriteLocationName(locationCoordinateSearch, locationInDatbaseCoordinateAndDescription);
return(locationInDatbaseCoordinateAndDescription);
}
#endregion
}
else
{
#region When: Force to read from ReverseGeocode - Delete old data and continue to ReverseGeocode
ReadLocationNameFromDatabaseOrCache(locationCoordinateSearch, locationAccuracyLatitude, locationAccuracyLongitude);
DeleteLocation(locationCoordinateSearch, locationAccuracyLatitude, locationAccuracyLongitude);
#endregion
}
if (canReverseGeocoder)
{
#region ReverseGeocoder
LocationCoordinateAndDescription locationInDatbaseCoordinateAndDescription;
try
{
var y = new ReverseGeocoder();
var r2 = y.ReverseGeocode(new ReverseGeocodeRequest
{
Longitude = locationCoordinateSearch.Longitude,
Latitude = locationCoordinateSearch.Latitude,
BreakdownAddressElements = true,
ShowExtraTags = true,
ShowAlternativeNames = true,
ShowGeoJSON = true,
PreferredLanguages = PreferredLanguagesString
});
r2.Wait();
if (r2.IsCompleted && !r2.IsFaulted && r2.Result != null && r2.Result.Address != null)
{
locationInDatbaseCoordinateAndDescription = new LocationCoordinateAndDescription();
locationInDatbaseCoordinateAndDescription.Coordinate.Latitude = locationCoordinateSearch.Latitude;
locationInDatbaseCoordinateAndDescription.Coordinate.Longitude = locationCoordinateSearch.Longitude;
locationInDatbaseCoordinateAndDescription.Description.City = (r2.Result.Address.City + " " + r2.Result.Address.Town + " " + r2.Result.Address.Village).Trim().Replace(" ", " ");
locationInDatbaseCoordinateAndDescription.Description.Country = r2.Result.Address.Country;
locationInDatbaseCoordinateAndDescription.Description.Name = (r2.Result.Address.Road + " " + r2.Result.Address.HouseNumber).Trim();
locationInDatbaseCoordinateAndDescription.Description.Region = (r2.Result.Address.State + " " + r2.Result.Address.County + " " + r2.Result.Address.Suburb + " " + r2.Result.Address.District + " " + r2.Result.Address.Hamlet).Trim().Replace(" ", " ");
locationInDatbaseCoordinateAndDescription.Description.Name = string.IsNullOrEmpty(locationInDatbaseCoordinateAndDescription.Description.Name) ? null : locationInDatbaseCoordinateAndDescription.Description.Name;
locationInDatbaseCoordinateAndDescription.Description.Region = string.IsNullOrEmpty(locationInDatbaseCoordinateAndDescription.Description.Region) ? null : locationInDatbaseCoordinateAndDescription.Description.Region;
locationInDatbaseCoordinateAndDescription.Description.City = string.IsNullOrEmpty(locationInDatbaseCoordinateAndDescription.Description.City) ? null : locationInDatbaseCoordinateAndDescription.Description.City;
locationInDatbaseCoordinateAndDescription.Description.Country = string.IsNullOrEmpty(locationInDatbaseCoordinateAndDescription.Description.Country) ? null : locationInDatbaseCoordinateAndDescription.Description.Country;
WriteLocationName(locationCoordinateSearch, locationInDatbaseCoordinateAndDescription);
return(locationInDatbaseCoordinateAndDescription);
}
else
{
return(null);
}
}
catch (Exception ex)
{
Logger.Error(ex, "AddressLookup");
}
#endregion
}
return(null);
}
public LocationDescription(LocationDescription locationDescription) : this(locationDescription.Name, locationDescription.City, locationDescription.Region, locationDescription.Country)
{
}
