more services from Web API

src/Yavsc.Server/Services/YavscClientStore.cs

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+
+using IdentityServer8.Models;
+using IdentityServer8.Stores;
+using Microsoft.EntityFrameworkCore;
+using Yavsc.Models;
+
+namespace Yavsc.Services;
+
+public class YavscClientStore : IClientStore
+{
+    ApplicationDbContext _context=null;
+    public YavscClientStore(ApplicationDbContext context)
+    {
+        _context = context;
+    }
+
+
+    async Task<Client> IClientStore.FindClientByIdAsync(string clientId)
+    {
+        var app = await _context.Applications.FirstOrDefaultAsync(c=>c.Id == clientId);
+
+        if (app == null) return null;
+      
+        Client client = new()
+        {
+            ClientId = app.Id,
+            ClientName = app.DisplayName,
+            AbsoluteRefreshTokenLifetime = app.RefreshTokenLifeTime,
+            AccessTokenLifetime = app.AccessTokenLifetime,
+            AllowedGrantTypes = 
+            [ 
+                GrantType.AuthorizationCode,
+                GrantType.DeviceFlow,
+                GrantType.ClientCredentials
+            ],
+            ClientSecrets = [
+                new Secret(app.Secret),
+            ]
+        };
+
+
+        switch(app.Type)
+        {
+            case Models.Auth.ApplicationTypes.NativeConfidential:
+                client.AccessTokenType = AccessTokenType.Reference;
+                client.AllowedGrantTypes = 
+                    [ 
+                        GrantType.DeviceFlow
+                    ];
+                client.AllowedScopes = [] ;
+                break;
+            case Models.Auth.ApplicationTypes.JavaScript:
+            default:
+                client.AccessTokenType = AccessTokenType.Jwt;
+                client.AllowedGrantTypes = 
+                    [ 
+                        GrantType.AuthorizationCode,
+                        GrantType.ClientCredentials
+                    ];
+                client.AllowedScopes = ["openid", "profile"];
+                break;
+
+        }
+        return client;
+    }
+}