private async Task <bool> InitializeDatabaseAsync()
{
bool isSuccess = true;
try
{
var migrator = new DbMigrator();
if (!migrator.DatabaseExists())
{
// Create the database if it doesn't exist
this.ShowProgressRing = true;
LogClient.Info("Creating database");
await Task.Run(() => migrator.InitializeNewDatabase());
}
else
{
// Upgrade the database if it is not the latest version
if (migrator.DatabaseNeedsUpgrade())
{
this.ShowProgressRing = true;
LogClient.Info("Upgrading database");
await Task.Run(() => migrator.UpgradeDatabase());
}
}
}
catch (Exception ex)
{
LogClient.Error("There was a problem initializing the database. Exception: {0}", ex.Message);
this.errorMessage = ex.Message;
isSuccess = false;
}
return(isSuccess);
}
private async Task InitializeStorageIfRequiredAsync(string newLocation)
{
await Task.Run(() =>
{
// Database file
var migrator = new DbMigrator(newLocation);
if (migrator.DatabaseExists())
{
migrator.UpgradeDatabase();
}
else
{
migrator.InitializeNewDatabase();
}
// Notes directory
string notesDirectoryPath = newLocation;
if (!Directory.Exists(notesDirectoryPath))
{
Directory.CreateDirectory(notesDirectoryPath);
}
});
}
private async Task <bool> InitializeNoteStorageDirectoryAsync()
{
bool isSuccess = true;
var migrator = new DbMigrator();
// Move the old "Knowte.db" database file to "Notes\Notes.db". TODO: remove this later (e.g. in version 1.2)
try
{
string oldDatabaseFile = Path.Combine(SettingsClient.ApplicationFolder(), "Knowte.db");
if (File.Exists(oldDatabaseFile) && !File.Exists(migrator.DatabaseFile))
{
File.Move(oldDatabaseFile, migrator.DatabaseFile);
}
}
catch (Exception ex)
{
LogClient.Error("The old database file could not be moved. Exception: {0}", ex.Message);
this.errorMessage = ex.Message;
isSuccess = false;
}
// Make sure the default note storage location exists
if (!Directory.Exists(ApplicationPaths.DefaultNoteStorageLocation))
{
Directory.CreateDirectory(ApplicationPaths.DefaultNoteStorageLocation);
}
// Further verification is only needed when not using the default storage location
if (ApplicationPaths.IsUsingDefaultStorageLocation)
{
return(true);
}
try
{
await Task.Run(() =>
{
if (!Directory.Exists(ApplicationPaths.CurrentNoteStorageLocation))
{
LogClient.Warning("Note storage location '{0}' could not be found.", ApplicationPaths.CurrentNoteStorageLocation);
isSuccess = false;
}
if (!migrator.DatabaseExists())
{
LogClient.Warning("Database file '{0}' could not be found.", migrator.DatabaseFile);
isSuccess = false;
}
if (!isSuccess)
{
// Restore the default storage location
SettingsClient.Set <string>("General", "NoteStorageLocation", "");
LogClient.Warning("Default note storage location was restored.");
// Allow the application to start up after the default storage location was restored
isSuccess = true;
}
});
}
catch (Exception ex)
{
LogClient.Error("There was a problem initializing the note storage location. Exception: {0}", ex.Message);
this.errorMessage = ex.Message;
isSuccess = false;
}
return(isSuccess);
}