61 lines
2.1 KiB
C#
61 lines
2.1 KiB
C#
using Elsa.ActivityResults;
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using Elsa.Attributes;
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using Elsa.Design;
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using Elsa.Expressions;
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using Elsa.Services;
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using Elsa.Services.Models;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Threading.Tasks;
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namespace Elsa.Activities.File
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{
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[Action(Category = "File",
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Description = "Output input value to specified location",
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Outcomes = new[] { OutcomeNames.Done })]
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public class OutFile : Activity
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{
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[ActivityInput(Hint = "Data to write to file.", SupportedSyntaxes = new[] { SyntaxNames.JavaScript, SyntaxNames.Liquid })]
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public byte[] Data { get; set; }
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[ActivityInput(Hint = "Path to create file at.", UIHint = ActivityInputUIHints.SingleLine, SupportedSyntaxes = new[] { SyntaxNames.JavaScript, SyntaxNames.Liquid })]
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public string Path { get; set; }
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[ActivityInput(Hint = "How the output file should be written to.", UIHint = ActivityInputUIHints.Dropdown)]
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public CopyMode Mode { get; set; } = CopyMode.CreateNew;
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protected async override ValueTask<IActivityExecutionResult> OnExecuteAsync(ActivityExecutionContext context)
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{
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FileMode fileMode;
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FileAccess fileAccess;
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switch (Mode)
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{
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case CopyMode.Append:
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fileMode = FileMode.Append;
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fileAccess = FileAccess.Write;
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break;
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case CopyMode.Overwrite:
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fileMode = FileMode.Create;
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fileAccess = FileAccess.ReadWrite;
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break;
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case CopyMode.CreateNew:
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fileMode = FileMode.CreateNew;
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fileAccess = FileAccess.ReadWrite;
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break;
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default:
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throw new ApplicationException("Unsupported copy mode");
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}
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using (var fs = new FileStream(Path, fileMode, fileAccess))
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{
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await fs.WriteAsync(Data);
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await fs.FlushAsync();
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}
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return Done();
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}
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}
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}
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