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StopShopping.Services/Extensions/EnumExtensions.cs

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+using StopShopping.Services.Models;
+
+namespace StopShopping.Services.Extensions;
+
+public static class EnumExtensions
+{
+    public static string GetTargetDirectory(this UploadScences uploadScences)
+    {
+        return uploadScences switch
+        {
+            UploadScences.Avatar => "avatar",
+            UploadScences.Product => "product",
+            UploadScences.Category => "category",
+            _ => throw new ArgumentOutOfRangeException(nameof(uploadScences))
+        };
+    }
+
+    public static char GetValue(this UserRoles userRoles)
+    {
+        return userRoles switch
+        {
+            UserRoles.Seller => 's',
+            UserRoles.Buyer => 'c',
+            _ => throw new ArgumentOutOfRangeException(nameof(userRoles))
+        };
+    }
+
+    public static UserRoles ToUserRoles(this char userRole)
+    {
+        return userRole switch
+        {
+            's' => UserRoles.Seller,
+            'c' => UserRoles.Buyer,
+            _ => throw new ArgumentOutOfRangeException(nameof(userRole), "valid: 'c','s'")
+        };
+    }
+
+    public static bool CanDelete(this RequestStatus requestStatus)
+    {
+        return requestStatus == RequestStatus.Publish
+            || requestStatus == RequestStatus.Replied;
+    }
+
+    public static bool CanReply(this RequestStatus requestStatus)
+    {
+        return requestStatus == RequestStatus.Publish
+            || requestStatus == RequestStatus.Replied;
+    }
+}