| public static CoerceFloat ( string str ) : float | ||
| str | string | |
| return | float | |
// ex: "2 hours 1 day"
public static DateTime FromTimeAgo(string str)
{
str = str.ToLowerInvariant();
if (str.Contains("now"))
{
return(DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Local));
}
str = str.Replace(",", "");
str = str.Replace("ago", "");
str = str.Replace("and", "");
TimeSpan timeAgo = TimeSpan.Zero;
Regex TimeagoRegex = new Regex(@"\s*?([\d\.]+)\s*?([^\d\s\.]+)\s*?");
var TimeagoMatches = TimeagoRegex.Match(str);
while (TimeagoMatches.Success)
{
string expanded = string.Empty;
var val = ParseUtil.CoerceFloat(TimeagoMatches.Groups[1].Value);
var unit = TimeagoMatches.Groups[2].Value;
TimeagoMatches = TimeagoMatches.NextMatch();
if (unit.Contains("sec") || unit == "s")
{
timeAgo += TimeSpan.FromSeconds(val);
}
else if (unit.Contains("min") || unit == "m")
{
timeAgo += TimeSpan.FromMinutes(val);
}
else if (unit.Contains("hour") || unit.Contains("hr") || unit == "h")
{
timeAgo += TimeSpan.FromHours(val);
}
else if (unit.Contains("day") || unit == "d")
{
timeAgo += TimeSpan.FromDays(val);
}
else if (unit.Contains("week") || unit.Contains("wk") || unit == "w")
{
timeAgo += TimeSpan.FromDays(val * 7);
}
else if (unit.Contains("month") || unit == "mo")
{
timeAgo += TimeSpan.FromDays(val * 30);
}
else if (unit.Contains("year") || unit == "y")
{
timeAgo += TimeSpan.FromDays(val * 365);
}
else
{
throw new Exception("TimeAgo parsing failed, unknown unit: " + unit);
}
}
return(DateTime.SpecifyKind(DateTime.Now - timeAgo, DateTimeKind.Local));
}
// ex: "2 hours 1 day"
public static DateTime FromTimeAgo(string str)
{
str = str.ToLowerInvariant();
if (str.Contains("now"))
{
return(DateTime.SpecifyKind(DateTime.Now, DateTimeKind.Local));
}
var dateParts = str.Split(new char[0], StringSplitOptions.RemoveEmptyEntries);
TimeSpan timeAgo = TimeSpan.Zero;
for (var i = 0; i < dateParts.Length / 2; i++)
{
var val = ParseUtil.CoerceFloat(dateParts[i * 2]);
var unit = dateParts[i * 2 + 1];
if (unit.Contains("sec"))
{
timeAgo += TimeSpan.FromSeconds(val);
}
else if (unit.Contains("min"))
{
timeAgo += TimeSpan.FromMinutes(val);
}
else if (unit.Contains("hour"))
{
timeAgo += TimeSpan.FromHours(val);
}
else if (unit.Contains("day"))
{
timeAgo += TimeSpan.FromDays(val);
}
else if (unit.Contains("week"))
{
timeAgo += TimeSpan.FromDays(val * 7);
}
else if (unit.Contains("month"))
{
timeAgo += TimeSpan.FromDays(val * 30);
}
else if (unit.Contains("year"))
{
timeAgo += TimeSpan.FromDays(val * 365);
}
else
{
throw new Exception("TimeAgo parsing failed");
}
}
return(DateTime.SpecifyKind(DateTime.Now - timeAgo, DateTimeKind.Local));
}
