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89 lines
2.3 KiB
89 lines
2.3 KiB
// Fill out your copyright notice in the Description page of Project Settings.
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#include "FileDownloader.h"
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#include "BeatSaberEditor.h"
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#include "PlatformFilemanager.h"
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#include "GenericPlatform/GenericPlatformFile.h"
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#include "Paths.h"
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UFileDownloader::UFileDownloader():
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FileUrl(TEXT(""))
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, FileSavePath(TEXT(""))
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{
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}
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UFileDownloader::~UFileDownloader()
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{
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}
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UFileDownloader* UFileDownloader::MakeDownloader()
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{
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UFileDownloader* Downloader = NewObject<UFileDownloader>();
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return Downloader;
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}
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UFileDownloader* UFileDownloader::DownloadFile(const FString& Url, FString SavePath)
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{
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FileUrl = Url;
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FileSavePath = SavePath;
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TSharedRef< IHttpRequest > HttpRequest = FHttpModule::Get().CreateRequest();
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HttpRequest->SetVerb("GET");
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HttpRequest->SetURL(Url);
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HttpRequest->OnProcessRequestComplete().BindUObject(this, &UFileDownloader::OnReady);
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HttpRequest->OnRequestProgress().BindUObject(this, &UFileDownloader::OnProgress_Internal);
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// Execute the request
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HttpRequest->ProcessRequest();
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AddToRoot();
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return this;
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}
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void UFileDownloader::OnReady(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful)
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{
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RemoveFromRoot();
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Request->OnProcessRequestComplete().Unbind();
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if (Response.IsValid() && EHttpResponseCodes::IsOk(Response->GetResponseCode()))
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{
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// SAVE FILE
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IPlatformFile & PlatformFile = FPlatformFileManager::Get().GetPlatformFile();
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// create save directory if not existent
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FString Path, Filename, Extension;
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FPaths::Split(FileSavePath, Path, Filename, Extension);
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if (!PlatformFile.DirectoryExists(*Path))
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{
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if(!PlatformFile.CreateDirectoryTree(*Path))
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{
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OnResult.Broadcast(EDownloadResult::DirectoryCreationFailed);
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return;
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}
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}
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// open/create the file
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IFileHandle* FileHandle = PlatformFile.OpenWrite(*FileSavePath);
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if (FileHandle)
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{
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// write the file
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FileHandle->Write(Response->GetContent().GetData(), Response->GetContentLength());
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// Close the file
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delete FileHandle;
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OnResult.Broadcast(EDownloadResult::Success);
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}
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else
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{
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OnResult.Broadcast(EDownloadResult::SaveFailed);
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}
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}
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else
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{
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OnResult.Broadcast(EDownloadResult::DownloadFailed);
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}
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}
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void UFileDownloader::OnProgress_Internal(FHttpRequestPtr Request, int32 BytesSent, int32 BytesReceived)
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{
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int32 FullSize = Request->GetContentLength();
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OnProgress.Broadcast(BytesSent, BytesReceived, FullSize);
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}
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