/// <summary>
/// 获取此实例所表示的日期所在年的周数
/// </summary>
/// <param name="this">给定的日期(年月日)</param>
/// <returns>所在季度的周数</returns>
public static int WeeksOfYear(this in DateOnly @this)
{
var end = new DateOnly(@this.Year, 12, 31);
var gc = new System.Globalization.DateTimeFormatInfo().Calendar;
return(gc.GetWeekOfYear(end.ToDateTime(TimeOnly.MinValue), System.Globalization.CalendarWeekRule.FirstDay, DayOfWeek.Sunday));
}
/// <summary>
/// Given a Date, Converts it into a double representing its internal Excel representation,
/// which Is the number of days since 1/1/1900. Fractional days represent hours, minutes, and seconds.
/// </summary>
/// <param name="date">The date.</param>
/// <param name="use1904windowing">Should 1900 or 1904 date windowing be used?</param>
/// <returns>Excel representation of Date (-1 if error - test for error by Checking for less than 0.1)</returns>
public static double GetExcelDate(DateOnly date, bool use1904windowing)
{
if ((!use1904windowing && date.Year < 1900) || //1900 date system must bigger than 1900
(use1904windowing && date.Year < 1904)) //1904 date system must bigger than 1904
{
return(BAD_DATE);
}
DateOnly startdate;
if (use1904windowing)
{
startdate = new DateOnly(1904, 1, 1);
}
else
{
startdate = new DateOnly(1900, 1, 1);
}
double value = (date.ToDateTime(TimeOnly.MinValue) - startdate.ToDateTime(TimeOnly.MinValue)).TotalDays + 1;
if (!use1904windowing && value >= 60)
{
value++;
}
else if (use1904windowing)
{
value--;
}
return(value);
}
public void ToDateTime_Unspecified()
{
DateOnly date = new DateOnly(2000, 1, 1);
DateTime expectedDate = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Unspecified);
DateTime dateTime = date.ToDateTime();
Assert.Equal(expectedDate, dateTime);
}
public void ToDateTime_Utc()
{
DateOnly date = new DateOnly(2000, 1, 1);
DateTime expectedDate = new DateTime(2000, 1, 1, 0, 0, 0, DateTimeKind.Utc);
DateTime dateTime1 = date.ToUtcDateTime();
DateTime dateTime2 = date.ToDateTime(DateTimeKind.Utc);
Assert.Equal(expectedDate, dateTime1);
Assert.Equal(expectedDate, dateTime2);
}
public static void DateTimeConversionTest()
{
DateTime dt = DateTime.Today;
DateOnly dateOnly = DateOnly.FromDateTime(dt);
Assert.Equal(dt.Year, dateOnly.Year);
Assert.Equal(dt.Month, dateOnly.Month);
Assert.Equal(dt.Day, dateOnly.Day);
dt = dateOnly.ToDateTime(new TimeOnly(1, 10, 20));
Assert.Equal(dateOnly.Year, dt.Year);
Assert.Equal(dateOnly.Month, dt.Month);
Assert.Equal(dateOnly.Day, dt.Day);
Assert.Equal(1, dt.Hour);
Assert.Equal(10, dt.Minute);
Assert.Equal(20, dt.Second);
Assert.Equal(DateTimeKind.Unspecified, dt.Kind);
dt = dateOnly.ToDateTime(new TimeOnly(23, 59, 59), DateTimeKind.Utc);
Assert.Equal(dateOnly.Year, dt.Year);
Assert.Equal(dateOnly.Month, dt.Month);
Assert.Equal(dateOnly.Day, dt.Day);
Assert.Equal(23, dt.Hour);
Assert.Equal(59, dt.Minute);
Assert.Equal(59, dt.Second);
Assert.Equal(DateTimeKind.Utc, dt.Kind);
dt = dateOnly.ToDateTime(new TimeOnly(23, 59, 59), DateTimeKind.Local);
Assert.Equal(DateTimeKind.Local, dt.Kind);
dateOnly = DateOnly.FromDateTime(dt);
Assert.Equal(dt.Year, dateOnly.Year);
Assert.Equal(dt.Month, dateOnly.Month);
Assert.Equal(dt.Day, dateOnly.Day);
}
// This will look for payments between the two dates but also transfers up to 5 days before the toDate and
// 5 days before the fromDate
private async Task <List <VenmoTransaction> > GetVenmoTransactionsBetweenDates(DateOnly fromDate, DateOnly toDate, VenmoApi venmoApi, Database.Models.VenmoUser venmoUser)
{
logger.LogDebug($"Finding Venmo transactions between {fromDate} and {toDate}");
List <VenmoTransaction> transactions = new List <VenmoTransaction>();
string? beforeId = null;
bool foundAllTransactions = false;
VenmoTransaction?toTransfer = null;
VenmoTransaction?fromTransfer = null;
VenmoTransaction?previousTransaction = null;
do
{
var transactionsResponse = await venmoApi.GetTransactions(beforeId);
if (transactionsResponse.Data != null)
{
foreach (var transaction in transactionsResponse.Data)
{
if (transaction.DateCreated != null && transaction.Type != null)
{
if (transaction.Type == "transfer")
{
DateTime transactionDate = DateTime.Parse(transaction.DateCreated);
logger.LogDebug($"Found transfer on {transactionDate}. ID: {transaction.Id}");
// if the transfer initiated from Venmo was before the toDate and after 5 days before
// the toDate set the transaction as the toTransfer
if (toTransfer == null &&
transactionDate < toDate.ToDateTime(TimeOnly.MinValue) &&
transactionDate > toDate.AddDays(-5).ToDateTime(TimeOnly.MinValue))
{
logger.LogDebug($"Set transfer {transaction.Id} as toTransfer");
toTransfer = transaction;
transactions.Add(transaction);
}
// need to handle transfers done one after another (due to Venmo transfer limit)
if (toTransfer != null && previousTransaction != null && previousTransaction.Type == "transfer")
{
logger.LogDebug($"Found transfers one after another\n" +
$"Transfer 1: {previousTransaction.Id} at {previousTransaction.DateCreated}\n" +
$"Transfer 2: {transaction.Id} at {transaction.DateCreated}");
transactions.Add(transaction);
}
if (fromTransfer == null &&
transactionDate < fromDate.ToDateTime(TimeOnly.MinValue) &&
transactionDate > fromDate.AddDays(-5).ToDateTime(TimeOnly.MinValue))
{
logger.LogDebug($"Set transfer {transaction.Id} as fromTransfer");
fromTransfer = transaction;
transactions.Add(transaction);
foundAllTransactions = true;
break;
}
}
else if (transaction.Type == "payment")
{
// if the user received money, either someone paid them or they charged someone
if ((transaction.Payment !.Action == "pay" && transaction.Payment.Target !.User.Id == venmoUser.Venmo !.UserId) ||
(transaction.Payment.Action == "charge" && transaction.Payment.Actor !.Id == venmoUser.Venmo !.UserId))
{
DateTime transactionDate = DateTime.Parse(transaction.DateCreated);
if (toTransfer != null)
{
if (fromTransfer == null)
{
if (transactionDate < DateTime.Parse(toTransfer.DateCreated !))
{
transactions.Add(transaction);
}
}
}
}
}
previousTransaction = transaction;
}
}
if (transactionsResponse.Data.Count == 0)
{
break;
}
beforeId = previousTransaction !.Id;
}
}while (!foundAllTransactions);
return(transactions);
}
public DateTime GetPreviousWorkDate(DateOnly day)
{
day = GetPreviousWorkDay(day);
return(day.ToDateTime(Midnight, DateTimeKind.Local).ToUniversalTime());
}
/// <summary> /// Converts a <see cref="DateOnly"/> to a Local <see cref="DateTime"/>. /// </summary> /// <param name="date">The <see cref="DateOnly"/> to convert.</param> /// <returns>A local <see cref="DateTime"/>.</returns> public static DateTime ToLocalDateTime(this DateOnly date) => date.ToDateTime(DateTimeKind.Local);
/// <summary> /// Converts a <see cref="DateOnly"/> to a UTC <see cref="DateTime"/>. /// </summary> /// <param name="date">The <see cref="DateOnly"/> to convert.</param> /// <returns>A UTC <see cref="DateTime"/>.</returns> public static DateTime ToUtcDateTime(this DateOnly date) => date.ToDateTime(DateTimeKind.Utc);
///<summary>Uses Zero-timespan and unspecified datetime-kind</summary>
public static DateTime ToDateTime(this DateOnly thisDate)
{
TimeOnly time = TimeOnly.FromTimeSpan(TimeSpan.Zero);
return(thisDate.ToDateTime(time, DateTimeKind.Unspecified));
}
public static DateTime ToDateTime(this DateOnly date, DateTimeKind kind)
{
return(date.ToDateTime(new TimeOnly(), kind));
}
public static DateTime ToDateTime(this DateOnly date)
{
return(date.ToDateTime(new TimeOnly()));
}