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Merge pull request #64 from SyncfusionExamples/PPT-Google
Add samples for opening and saving PowerPoint document in Google cloud storage
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25 changes: 25 additions & 0 deletions
25
...ave-PowerPoint/Google-Cloud-Storage/Open-PowerPoint-document/Open-PowerPoint-document.sln
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
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| Microsoft Visual Studio Solution File, Format Version 12.00 | ||
| # Visual Studio Version 17 | ||
| VisualStudioVersion = 17.10.34928.147 | ||
| MinimumVisualStudioVersion = 10.0.40219.1 | ||
| Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Open-PowerPoint-document", "Open-PowerPoint-document\Open-PowerPoint-document.csproj", "{32919A84-EEB2-44C9-90B0-6DE05C353817}" | ||
| EndProject | ||
| Global | ||
| GlobalSection(SolutionConfigurationPlatforms) = preSolution | ||
| Debug|Any CPU = Debug|Any CPU | ||
| Release|Any CPU = Release|Any CPU | ||
| EndGlobalSection | ||
| GlobalSection(ProjectConfigurationPlatforms) = postSolution | ||
| {32919A84-EEB2-44C9-90B0-6DE05C353817}.Debug|Any CPU.ActiveCfg = Debug|Any CPU | ||
| {32919A84-EEB2-44C9-90B0-6DE05C353817}.Debug|Any CPU.Build.0 = Debug|Any CPU | ||
| {32919A84-EEB2-44C9-90B0-6DE05C353817}.Release|Any CPU.ActiveCfg = Release|Any CPU | ||
| {32919A84-EEB2-44C9-90B0-6DE05C353817}.Release|Any CPU.Build.0 = Release|Any CPU | ||
| EndGlobalSection | ||
| GlobalSection(SolutionProperties) = preSolution | ||
| HideSolutionNode = FALSE | ||
| EndGlobalSection | ||
| GlobalSection(ExtensibilityGlobals) = postSolution | ||
| SolutionGuid = {2F668BAA-6807-4025-AD13-15BD76F34901} | ||
| EndGlobalSection | ||
| EndGlobal |
99 changes: 99 additions & 0 deletions
99
...d-Storage/Open-PowerPoint-document/Open-PowerPoint-document/Controllers/HomeController.cs
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| using Google.Apis.Auth.OAuth2; | ||
| using Google.Cloud.Storage.V1; | ||
| using Microsoft.AspNetCore.Mvc; | ||
| using Open_PowerPoint_document.Models; | ||
| using Syncfusion.Presentation; | ||
| using System.Diagnostics; | ||
| using System.IO; | ||
|
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| namespace Open_PowerPoint_document.Controllers | ||
| { | ||
| public class HomeController : Controller | ||
| { | ||
| private readonly ILogger<HomeController> _logger; | ||
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| public HomeController(ILogger<HomeController> logger) | ||
| { | ||
| _logger = logger; | ||
| } | ||
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| public IActionResult Index() | ||
| { | ||
| return View(); | ||
| } | ||
| public async Task<IActionResult> EditDocument() | ||
| { | ||
| //Download the file from Google | ||
| MemoryStream memoryStream = await GetDocumentFromGoogle(); | ||
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| //Create an instance of PowerPoint Presentation file | ||
| using (IPresentation pptxDocument = Presentation.Open(memoryStream)) | ||
| { | ||
| //Get the first slide from the PowerPoint presentation | ||
| ISlide slide = pptxDocument.Slides[0]; | ||
|
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| //Get the first shape of the slide | ||
| IShape shape = slide.Shapes[0] as IShape; | ||
|
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| //Change the text of the shape | ||
| if (shape.TextBody.Text == "Company History") | ||
| shape.TextBody.Text = "Company Profile"; | ||
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| //Saving the PowerPoint to a MemoryStream | ||
| MemoryStream outputStream = new MemoryStream(); | ||
| pptxDocument.Save(outputStream); | ||
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| //Download the PowerPoint file in the browser | ||
| FileStreamResult fileStreamResult = new FileStreamResult(outputStream, "application/powerpoint"); | ||
| fileStreamResult.FileDownloadName = "EditPowerPoint.pptx"; | ||
| return fileStreamResult; | ||
| } | ||
| } | ||
| /// <summary> | ||
| /// Download file from Google | ||
| /// </summary> | ||
| /// <returns></returns> | ||
| public async Task<MemoryStream> GetDocumentFromGoogle() | ||
| { | ||
| try | ||
| { | ||
| //Your bucket name | ||
| string bucketName = "Your_bucket_name"; | ||
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| //Your service account key file path | ||
| string keyPath = "credentials.json"; | ||
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| //Name of the file to download from the Google Cloud Storage | ||
| string fileName = "PowerPointTemplate.pptx"; | ||
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| //Create Google Credential from the service account key file | ||
| GoogleCredential credential = GoogleCredential.FromFile(keyPath); | ||
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| //Instantiates a storage client to interact with Google Cloud Storage | ||
| StorageClient storageClient = StorageClient.Create(credential); | ||
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| //Download a file from Google Cloud Storage | ||
| MemoryStream memoryStream = new MemoryStream(); | ||
| await storageClient.DownloadObjectAsync(bucketName, fileName, memoryStream); | ||
| memoryStream.Position = 0; | ||
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| return memoryStream; | ||
| } | ||
| catch (Exception ex) | ||
| { | ||
| Console.WriteLine($"Error retrieving document from Google Cloud Storage: {ex.Message}"); | ||
| throw; // or handle the exception as needed | ||
| } | ||
| } | ||
| public IActionResult Privacy() | ||
| { | ||
| return View(); | ||
| } | ||
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| [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)] | ||
| public IActionResult Error() | ||
| { | ||
| return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier }); | ||
| } | ||
| } | ||
| } |
9 changes: 9 additions & 0 deletions
9
...-Cloud-Storage/Open-PowerPoint-document/Open-PowerPoint-document/Models/ErrorViewModel.cs
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| Original file line number | Diff line number | Diff line change |
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| namespace Open_PowerPoint_document.Models | ||
| { | ||
| public class ErrorViewModel | ||
| { | ||
| public string? RequestId { get; set; } | ||
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| public bool ShowRequestId => !string.IsNullOrEmpty(RequestId); | ||
| } | ||
| } |
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