dotnet-cqrs/Svrnty.CQRS/Discovery/QueryDiscovery.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Svrnty.CQRS.Abstractions.Discovery;

namespace Svrnty.CQRS.Discovery;

public sealed class QueryDiscovery : IQueryDiscovery
{
    private readonly IEnumerable<IQueryMeta> _queryMetas;

    public QueryDiscovery(IEnumerable<IQueryMeta> queryMetas)
    {
        _queryMetas = queryMetas;
    }

    public IEnumerable<IQueryMeta> GetQueries() => _queryMetas;
    public IQueryMeta FindQuery(string name) => _queryMetas.FirstOrDefault(t => t.Name == name);
    public IQueryMeta FindQuery(Type queryType) => _queryMetas.FirstOrDefault(t => t.QueryType == queryType);
    public bool QueryExists(string name) => _queryMetas.Any(t => t.Name == name);
    public bool QueryExists(Type queryType) => _queryMetas.Any(t => t.QueryType == queryType);
}