metrics service

fixes to auth info

AobaServer/Services/AuthConfigService.cs

@@ -0,0 +1,26 @@
+using AobaServer.Models;
+
+using MongoDB.Driver;
+
+namespace AobaServer.Services;
+
+public class AuthConfigService(IMongoDatabase db)
+{
+	public IMongoCollection<AuthInfo> _authInfo = db.GetCollection<AuthInfo>("auth_config");
+
+	public async Task<AuthInfo> GetAuthInfoAsync(string issuer, string audience)
+	{
+		var info = await _authInfo.Find("{}").FirstOrDefaultAsync();
+		if(info != null)
+			return info;
+
+		info = AuthInfo.Create(issuer, audience);
+		await _authInfo.InsertOneAsync(info);
+		return info;
+	}
+
+	public Task<AuthInfo> GetDefaultAuthInfoAsync()
+	{
+		return GetAuthInfoAsync("aobaV2", "aoba");
+	}
+}