private static void ImportData()
{
DataBaseContents data = JsonConvert.DeserializeObject <DataBaseContents>(File.ReadAllText(@"d:\Database.json"));
var dataContext = new DataContext();
foreach (var dataUser in data.Users)
{
dataContext.Users.Add(dataUser);
}
dataContext.SaveChanges();
foreach (var dataEntry in data.Entries)
{
dataContext.Entries.Add(dataEntry);
}
foreach (var processingRule in data.Rules)
{
dataContext.ProcessingRules.Add(processingRule);
}
// Clear all references to other objects. The transaction need to be reprocessed after import.
foreach (var dataTransaction in data.Transactions)
{
dataTransaction.EntryPeriodKey = null;
dataContext.Transactions.Add(dataTransaction);
}
dataContext.SaveChanges();
}
/// <summary>Export the data in a JSON format to a file specified in fileName.
/// </summary>
/// <param name="fileName">Name of the file.</param>
public void Export(string fileName)
{
var database = new DataBaseContents
{
Users = new List <User> {
mAuthorizationService.CurrentUser
},
Entries = mEntryDataService.GetAll(),
Rules = mProcessingRuleDataService.GetAll(),
Transactions = mTransactionDataService.GetAll()
};
// Clear all child entries to prevent circulair reference when exporting to JSON.
foreach (var databaseEntry in database.Entries)
{
databaseEntry.ChildEntries?.Clear();
databaseEntry.ParentEntry = null;
}
using (var file = File.CreateText(fileName))
{
var serializer = new JsonSerializer();
serializer.Serialize(file, database);
}
}