106 lines
2.3 KiB
C#
106 lines
2.3 KiB
C#
using collAnon.Shared;
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using System;
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using System.IO;
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using System.Net.Mail;
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using System.Text.Json;
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namespace collAnon.Client.Helpers
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{
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public static class SUtility
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{
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public static T IfTrueThen<T>(bool conditionIsTrue, T ifTrue, T ifFalse = default)
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{
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if (conditionIsTrue)
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return ifTrue;
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else
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return ifFalse;
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}
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public static bool TimeBetween(this DateTime datetime, TimeSpan start, TimeSpan end)
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{
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// convert datetime to a TimeSpan
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var now = datetime.TimeOfDay;
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// see if start comes before end
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if (start < end)
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return start <= now && now <= end;
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// start is after end, so do the inverse comparison
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return !(end < now && now < start);
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}
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public static bool CacheHasExpired(long? lastTimeCacheTimeTicks)
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{
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if (!lastTimeCacheTimeTicks.HasValue) return true;
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return (DateTime.Now.Ticks - lastTimeCacheTimeTicks.Value) > VConstants.CacheExpirationPeriod.Ticks;
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}
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public static string GetFileIcon(string fileName)
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{
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switch (Path.GetExtension(fileName))
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{
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case ".odp":
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case ".pptx":
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return "file-powerpoint";
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case ".ods":
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case ".xlsx":
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return "file-excel";
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case ".odt":
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case ".docx":
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return "file-word";
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case ".pdf":
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return "file-pdf";
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case ".jpg":
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case ".jpeg":
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case ".png":
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return "file-image";
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default:
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return "file";
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}
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}
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public static string GetMissingMimeType(string fileName)
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{
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switch (Path.GetExtension(fileName))
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{
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case ".docx":
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return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";
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case ".xlsx":
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return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";
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default:
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return string.Empty;
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}
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}
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public static bool IsValidEmail(string email)
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{
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try
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{
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var addr = new MailAddress(email);
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return addr.Address == email;
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}
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catch
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{
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return false;
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}
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}
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public static string GetQrCodeBase64(string base64String) => $"data:image/png;base64,{base64String}";
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public static int GetRand()
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{
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var random = new Random(DateTime.Now.Millisecond);
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return random.Next(0, random.Next(10, 1000));
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}
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public static T Deserialize<T>(string value)
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{
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return JsonSerializer.Deserialize<T>(value, new JsonSerializerOptions { PropertyNamingPolicy = JsonNamingPolicy.CamelCase });
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}
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}
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} |