53 lines
1.7 KiB
C#
53 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using Elsa.ActivityResults;
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using Elsa.Attributes;
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using Elsa.Design;
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using Elsa.Serialization;
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using Elsa.Services;
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using Elsa.Services.Models;
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namespace Elsa.Activities.UserTask.Activities
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{
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/// <summary>
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/// Stores a set of possible user actions and halts the workflow until one of the actions has been performed.
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/// </summary>
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[Trigger(
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Category = "User Tasks",
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Description = "Triggers when a user action is received.",
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Outcomes = new[] { OutcomeNames.Done, "x => x.state.actions" }
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)]
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public class UserTask : Activity
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{
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private readonly IContentSerializer _serializer;
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[ActivityProperty(
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Type = ActivityPropertyTypes.List,
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Hint = "Provide a list of available actions"
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)]
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public ICollection<string> Actions { get; set; } = new List<string>();
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public UserTask(IContentSerializer serializer)
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{
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_serializer = serializer;
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}
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protected override bool OnCanExecute(ActivityExecutionContext context)
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{
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var userAction = GetUserAction(context);
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return Actions.Contains(userAction, StringComparer.OrdinalIgnoreCase);
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}
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protected override IActivityExecutionResult OnExecute(ActivityExecutionContext context) => Suspend();
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protected override IActivityExecutionResult OnResume(ActivityExecutionContext context)
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{
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var userAction = GetUserAction(context);
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return Outcome(userAction, userAction);
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}
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private string GetUserAction(ActivityExecutionContext context) => (string)context.Input!;
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}
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} |