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Helpers/Faker.cs

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+

Helpers/SUtility.cs

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