private void SeedDesignTimeData()
{
for (var i = 0; i < 1000; i++)
{
MeditationDiary.Add(new MeditationEntry { TimeMeditated = TenMinutes, StartTime = DateTime.Now });
}
}
private void SetEntryIds(MeditationDiary diary)
{
for (var entryIndex = 0; entryIndex < diary.Count; entryIndex++)
{
diary[entryIndex].EntryId = entryIndex;
}
}
/// <summary>
/// Writes to the JSON string stored in the JSON_FILENAME.
/// </summary>
/// <returns></returns>
private async void WriteJsonAsync(MeditationDiary diary)
{
var serializer = new DataContractJsonSerializer(typeof(MeditationDiary));
using (var stream = await ApplicationData.Current.LocalFolder.OpenStreamForWriteAsync(JSON_FILENAME,
CreationCollisionOption.ReplaceExisting))
{
serializer.WriteObject(stream, diary);
}
}
private async void UpdateDiary()
{
var latestDiary = await _repository.GetAsync();
MeditationDiary.Clear();
foreach (var entry in latestDiary)
{
MeditationDiary.Add(entry);
}
SendDisplayDiaryMessage();
}
private IEnumerable<TimeMeditatedPerWeekPerYear> CalculateTimeMeditatedOverview(MeditationDiary diary)
{
const int MINUTES_PER_HOUR = 60;
Func<MeditationEntry, string> weekWithYearProjector =
h => CultureInfo.CurrentCulture.Calendar.GetWeekOfYear(h.StartTime, CalendarWeekRule.FirstDay, DayOfWeek.Sunday)
/* Since we are grouping by the week, month and year we have to get the month belonging to the day where the week started */
+ " (" + CalculateMonthWhereinWeekStarted(h.StartTime) + " " + h.StartTime.Year + ")";
var hoursMeditatedPerWeeks = diary
.GroupBy(weekWithYearProjector)
.Select(g => {
var minutesMeditated = g.ToList().Sum(m => (int)m.TimeMeditated.TotalMinutes);
return new TimeMeditatedPerWeekPerYear
{
WeekAndYear = g.Key,
TimeMeditated = minutesMeditated / MINUTES_PER_HOUR + "h " + minutesMeditated % MINUTES_PER_HOUR + "m"
};
});
return hoursMeditatedPerWeeks;
}
