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Added TimeZone Functionality

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This commit is contained in:
t.ruspekhofer 2022-03-10 22:34:47 +01:00
parent c298f4d20e
commit c215ed058f
9 changed files with 129 additions and 48 deletions
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44
Lieb/Data/TimeZoneService.cs Normal file
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using Microsoft.JSInterop;
namespace Lieb.Data
{
public class TimeZoneService
{
private readonly IJSRuntime _jsRuntime;
private TimeSpan? _userOffset;
private int _offsetInMinutes;
public TimeZoneService(IJSRuntime jsRuntime)
{
_jsRuntime = jsRuntime;
}
public async ValueTask<DateTimeOffset> GetLocalDateTime(DateTimeOffset dateTime)
{
if (_userOffset == null)
{
_offsetInMinutes = await _jsRuntime.InvokeAsync<int>("GetTimezoneValue");
_userOffset = TimeSpan.FromMinutes(-_offsetInMinutes);
}
return dateTime.ToOffset(_userOffset.Value);
}
public async ValueTask<DateTimeOffset> GetUTCDateTime(DateTimeOffset dateTime)
{
if (_userOffset == null)
{
_offsetInMinutes = await _jsRuntime.InvokeAsync<int>("GetTimezoneValue");
_userOffset = TimeSpan.FromMinutes(-_offsetInMinutes);
}
return new DateTimeOffset(dateTime.DateTime.AddMinutes(_offsetInMinutes), new TimeSpan(0));
}
public async ValueTask<string> GetUserTimeZone()
{
return await _jsRuntime.InvokeAsync<string>("GetTimezone");
}
}
}