重写AppInfo中的版本号

DownKyi/Models/AppInfo.cs

@@ -1,15 +1,53 @@
-namespace DownKyi.Models
+using System;
+using System.Text.RegularExpressions;
+
+namespace DownKyi.Models
 {
     public class AppInfo
     {
         public string Name { get; } = "哔哩下载姬";
-        public int VersionCode { get; } = 513;
+        public int VersionCode { get; }
+        public string VersionName { get; }
+
+        const int a = 1;
+        const int b = 5;
+        const int c = 6;
+
+        public AppInfo()
+        {
+            VersionCode = a * 10000 + b * 100 + c;
 
 #if DEBUG
-        public string VersionName { get; } = "1.5.6 Debug";
+            VersionName = $"{a}.{b}.{c}-debug";
 #else
-        public string VersionName { get; } = "1.5.6";
+            VersionName = $"{a}.{b}.{c}";
 #endif
+        }
+
+        public static int VersionNameToCode(string versionName)
+        {
+            int code = 0;
+
+            var isMatch = Regex.IsMatch(versionName, @"^v?([1-9]\d|\d).([1-9]\d|\d).([1-9]\d|\d)$");
+            if (!isMatch)
+            {
+                return 0;
+            }
+
+            string pattern = @"([1-9]\d|\d)";
+            var m = Regex.Matches(versionName, pattern);
+            if (m.Count == 3)
+            {
+                int i = 2;
+                foreach (var item in m)
+                {
+                    code += int.Parse(item.ToString()) * (int)Math.Pow(100, i);
+                    i--;
+                }
+            }
+
+            return code;
+        }
 
     }
 }