1 files changed, 67 insertions, 0 deletions
diff --git a/src/Tools.cs b/src/Tools.cs
new file mode 100644
index 0000000..8aaedc9
--- /dev/null
+++ b/src/Tools.cs
@@ -0,0 +1,67 @@
+using System.Text.RegularExpressions;
+
+namespace BlobBin;
+
+public static class Tools
+{
+    public static string GetFilesDirectoryPath(bool createIfNotExists = false) {
+        var filesDirectoryPath = Path.Combine(
+            Directory.GetCurrentDirectory(),
+            "AppData",
+            "files"
+        );
+        if (createIfNotExists) Directory.CreateDirectory(filesDirectoryPath);
+        return filesDirectoryPath;
+    }
+
+    public static TimeSpan ParseHumanTimeSpan(string dateTime) {
+        var ts = TimeSpan.Zero;
+        var currentString = "";
+        var currentNumber = "";
+        foreach (var ch in dateTime + ' ') {
+            currentString += ch;
+            if (Regex.IsMatch(currentString, @"^(years(\d|\s)|year(\d|\s)|y(\d|\s))", RegexOptions.IgnoreCase)) {
+                ts = ts.Add(TimeSpan.FromDays(365 * int.Parse(currentNumber)));
+                currentString = "";
+                currentNumber = "";
+            }
+
+            if (Regex.IsMatch(currentString, @"^(weeks(\d|\s)|week(\d|\s)|w(\d|\s))", RegexOptions.IgnoreCase)) {
+                ts = ts.Add(TimeSpan.FromDays(7 * int.Parse(currentNumber)));
+                currentString = "";
+                currentNumber = "";
+            }
+
+            if (Regex.IsMatch(currentString, @"^(days(\d|\s)|day(\d|\s)|d(\d|\s))", RegexOptions.IgnoreCase)) {
+                ts = ts.Add(TimeSpan.FromDays(int.Parse(currentNumber)));
+                currentString = "";
+                currentNumber = "";
+            }
+
+            if (Regex.IsMatch(currentString, @"^(hours(\d|\s)|hour(\d|\s)|h(\d|\s))", RegexOptions.IgnoreCase)) {
+                ts = ts.Add(TimeSpan.FromHours(int.Parse(currentNumber)));
+                currentString = "";
+                currentNumber = "";
+            }
+
+            if (Regex.IsMatch(currentString, @"^(mins(\d|\s)|min(\d|\s)|m(\d|\s))", RegexOptions.IgnoreCase)) {
+                ts = ts.Add(TimeSpan.FromMinutes(int.Parse(currentNumber)));
+                currentString = "";
+                currentNumber = "";
+            }
+
+            if (Regex.IsMatch(currentString, @"^(secs(\d|\s)|sec(\d|\s)|s(\d|\s))", RegexOptions.IgnoreCase)) {
+                ts = ts.Add(TimeSpan.FromSeconds(int.Parse(currentNumber)));
+                currentString = "";
+                currentNumber = "";
+            }
+
+            if (Regex.IsMatch(ch.ToString(), @"\d")) {
+                currentNumber += ch;
+                currentString = "";
+            }
+        }
+
+        return ts;
+    }
+}
+\ No newline at end of file