// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using AzureMcp.Core.Commands;
using AzureMcp.Core.Services.Telemetry;
using AzureMcp.Kusto.Options;
using AzureMcp.Kusto.Services;
using Microsoft.Extensions.Logging;
namespace AzureMcp.Kusto.Commands;
public sealed class DatabaseListCommand(ILogger<DatabaseListCommand> logger) : BaseClusterCommand<DatabaseListOptions>()
{
private const string CommandTitle = "List Kusto Databases";
private readonly ILogger<DatabaseListCommand> _logger = logger;
public override string Name => "list";
public override string Description =>
"""
List all databases in a Kusto cluster.
Requires `cluster-uri` ( or `subscription` and `cluster`).
Result is a list of database names, returned as a JSON array.
""";
public override string Title => CommandTitle;
public override ToolMetadata Metadata => new() { Destructive = false, ReadOnly = true };
public override async Task<CommandResponse> ExecuteAsync(CommandContext context, ParseResult parseResult)
{
var options = BindOptions(parseResult);
try
{
if (!Validate(parseResult.CommandResult, context.Response).IsValid)
{
return context.Response;
}
var kusto = context.GetService<IKustoService>();
List<string> databasesNames = [];
if (UseClusterUri(options))
{
databasesNames = await kusto.ListDatabases(
options.ClusterUri!,
options.Tenant,
options.AuthMethod,
options.RetryPolicy);
}
else
{
databasesNames = await kusto.ListDatabases(
options.Subscription!,
options.ClusterName!,
options.Tenant,
options.AuthMethod,
options.RetryPolicy);
}
context.Response.Results = databasesNames?.Count > 0 ?
ResponseResult.Create(new DatabaseListCommandResult(databasesNames), KustoJsonContext.Default.DatabaseListCommandResult) :
null;
}
catch (Exception ex)
{
_logger.LogError(ex, "An exception occurred listing databases. Cluster: {Cluster}.", options.ClusterUri ?? options.ClusterName);
HandleException(context, ex);
}
return context.Response;
}
public record DatabaseListCommandResult(List<string> Databases);
}
