feat: add available providers list

Endpoint/Common/MapperDto/AvailableProvidersConverter.cs

@@ -0,0 +1,27 @@
+using Mirea.Api.Dto.Responses;
+using Mirea.Api.Security.Common.Domain;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace Mirea.Api.Endpoint.Common.MapperDto;
+
+public static class AvailableProvidersConverter
+{
+    public static Dto.Common.OAuthProvider ConvertToDto(this OAuthProvider provider) =>
+        provider switch
+        {
+            OAuthProvider.Google => Dto.Common.OAuthProvider.Google,
+            OAuthProvider.Yandex => Dto.Common.OAuthProvider.Yandex,
+            OAuthProvider.MailRu => Dto.Common.OAuthProvider.MailRu,
+            _ => throw new ArgumentOutOfRangeException(nameof(provider), provider, null)
+        };
+
+    public static List<AvailableProvidersResponse> ConvertToDto(this (OAuthProvider Provider, Uri Redirect)[] data) =>
+        data.Select(x => new AvailableProvidersResponse()
+        {
+            ProviderName = Enum.GetName(x.Provider)!,
+            Provider = x.Provider.ConvertToDto(),
+            Redirect = x.Redirect
+        }).ToList();
+}