private List <TaskSync> MergeTasks(List <TaskSync> tasksFromDb, List <TaskSync> tasksFromUser)
{
Dictionary <string, TaskSync> result = new Dictionary <string, TaskSync>();
foreach (TaskSync task in tasksFromDb)
{
task.Id = 0;
result.Remove(task.SourceId);
result.Add(task.SourceId, task);
}
foreach (TaskSync task in tasksFromUser)
{
task.Id = 0;
TaskSync tempTask = null;
result.TryGetValue(task.SourceId, out tempTask);
if (tempTask != null)
{
DateTime tempTaskDate = tempTask.LastModifyDate;
DateTime taskDate = task.LastModifyDate;
if (DateTime.Compare(tempTaskDate, taskDate) <= 0)
{
result.Remove(task.SourceId);
result.Add(task.SourceId, task);
}
}
else
{
result.Add(task.SourceId, task);
}
}
return(new List <TaskSync>(result.Values));
}
/// <summary>
/// We don't need to return deleted tasks
/// </summary>
/// <param name="result"></param>
private void RemoveDeleted(List <TaskSync> result)
{
int i = 0;
while (i < result.Count)
{
TaskSync task = result[i];
if (task.IsDeleted)
{
result.RemoveAt(i);
continue;
}
i++;
}
}