public sealed class DatabaseListCommand()

in src/Commands/Cosmos/DatabaseListCommand.cs [14:62]


public sealed class DatabaseListCommand(ILogger<DatabaseListCommand> logger) : BaseCosmosCommand<DatabaseListArguments>()
{
    private readonly ILogger<DatabaseListCommand> _logger = logger;

    protected override string GetCommandName() => "list";

    protected override string GetCommandDescription() =>
        """
        List all databases in a Cosmos DB account. This command retrieves and displays all databases available
        in the specified Cosmos DB account. Results include database names and are returned as a JSON array.
        """;

    [McpServerTool(Destructive = false, ReadOnly = true)]
    public override async Task<CommandResponse> ExecuteAsync(CommandContext context, ParseResult parseResult)
    {
        var args = BindArguments(parseResult);

        try
        {
            if (!await ProcessArguments(context, args))
            {
                return context.Response;
            }

            var cosmosService = context.GetService<ICosmosService>();
            var databases = await cosmosService.ListDatabases(
                args.Account!,
                args.Subscription!,
                args.AuthMethod ?? AuthMethod.Credential,
                args.Tenant,
                args.RetryPolicy);

            context.Response.Results = databases?.Count > 0 ?
                ResponseResult.Create(
                    new DatabaseListCommandResult(databases),
                    CosmosJsonContext.Default.DatabaseListCommandResult) :
                null;
        }
        catch (Exception ex)
        {
            _logger.LogError(ex, "An exception occurred listing databases. Account: {Account}.", args.Account);
            HandleException(context.Response, ex);
        }

        return context.Response;
    }

    internal record DatabaseListCommandResult(List<string> Databases);
}