1 files changed, 44 insertions, 0 deletions
diff --git a/Timeline/Services/UserRoleConvert.cs b/Timeline/Services/UserRoleConvert.cs
new file mode 100644
index 00000000..4fa4a7b8
--- /dev/null
+++ b/Timeline/Services/UserRoleConvert.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Timeline.Entities;
+
+namespace Timeline.Services
+{
+    [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1062:Validate arguments of public methods", Justification = "No need.")]
+    public static class UserRoleConvert
+    {
+        public const string UserRole = UserRoles.User;
+        public const string AdminRole = UserRoles.Admin;
+
+        public static string[] ToArray(bool administrator)
+        {
+            return administrator ? new string[] { UserRole, AdminRole } : new string[] { UserRole };
+        }
+
+        public static string[] ToArray(string s)
+        {
+            return s.Split(',').ToArray();
+        }
+
+        public static bool ToBool(IReadOnlyCollection<string> roles)
+        {
+            return roles.Contains(AdminRole);
+        }
+
+        public static string ToString(IReadOnlyCollection<string> roles)
+        {
+            return string.Join(',', roles);
+        }
+
+        public static string ToString(bool administrator)
+        {
+            return administrator ? UserRole + "," + AdminRole : UserRole;
+        }
+
+        public static bool ToBool(string s)
+        {
+            return s.Contains("admin", StringComparison.InvariantCulture);
+        }
+    }
+}