squidex/backend/src/Squidex.Domain.Apps.Core.Operations/HandleRules/IRuleTriggerHandler.cs

// ==========================================================================
//  Squidex Headless CMS
// ==========================================================================
//  Copyright (c) Squidex UG (haftungsbeschraenkt)
//  All rights reserved. Licensed under the MIT license.
// ==========================================================================

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using Squidex.Domain.Apps.Core.Rules.EnrichedEvents;
using Squidex.Domain.Apps.Events;
using Squidex.Infrastructure.EventSourcing;

namespace Squidex.Domain.Apps.Core.HandleRules
{
    public interface IRuleTriggerHandler
    {
        Type TriggerType { get; }

        bool CanCreateSnapshotEvents
        {
            get => false;
        }

        IAsyncEnumerable<EnrichedEvent> CreateSnapshotEventsAsync(RuleContext context,
            CancellationToken ct)
        {
            return AsyncEnumerable.Empty<EnrichedEvent>();
        }

        IAsyncEnumerable<EnrichedEvent> CreateEnrichedEventsAsync(Envelope<AppEvent> @event, RuleContext context,
            CancellationToken ct);

        string? GetName(AppEvent @event)
        {
            return null;
        }

        bool Trigger(Envelope<AppEvent> @event, RuleContext context)
        {
            return true;
        }

        bool Trigger(EnrichedEvent @event, RuleContext context)
        {
            return true;
        }

        bool Handles(AppEvent @event);
    }
}