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AspNetCore.Docs.Samples
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refactored code (#229)

pull/231/head
Samson Amaugo 2023-10-17 20:39:38 +01:00 committed by GitHub
parent 40ee2663f5
commit bd4318d70c
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2 changed files with 44 additions and 46 deletions
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39
fundamentals/minimal-apis/samples/IFormFile/MyUtils.cs 100644
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@ -0,0 +1,39 @@
public static class MyUtils
{
static string GetOrCreateFilePath(string fileName, string contentRootPath,
string filesDirectory = "uploadFiles")
{
var directoryPath = Path.Combine(contentRootPath, filesDirectory);
Directory.CreateDirectory(directoryPath);
return Path.Combine(directoryPath, fileName);
}
public static async Task SaveFileWithName(IFormFile file, string fileSaveName, string contentRootPath)
{
var filePath = GetOrCreateFilePath(fileSaveName, contentRootPath);
await using var fileStream = new FileStream(filePath, FileMode.Create);
await file.CopyToAsync(fileStream);
}
public static string GenerateHtmlForm(string formFieldName, string requestToken)
{
return $"""
<html>
<body>
<form action="/upload" method="POST" enctype="multipart/form-data">
<input name="{formFieldName}" type="hidden" value="{requestToken}" required/>
<br/>
<input name="Name" type="text" placeholder="Name of file" pattern=".*\.(jpg|jpeg|png)$" title="Please enter a valid name ending with .jpg, .jpeg, or .png" required/>
<br/>
<input name="Description" type="text" placeholder="Description of file" required/>
<br/>
<input type="file" name="FileDocument" placeholder="Upload an image..." accept=".jpg,
.jpeg, .png" />
<input type="submit" />
</form>
</body>
</html>
""";
}
}

51
fundamentals/minimal-apis/samples/IFormFile/Program.cs
View File

@ -10,26 +10,24 @@ builder.Services.AddAntiforgery();
var app = builder.Build();
app.UseAntiforgery();
var MyHtml = new MyUtils();
// Generate a form with an anti-forgery token and an /upload endpoint.
app.MapGet("/", (HttpContext context, IAntiforgery antiforgery) =>
{
var token = antiforgery.GetAndStoreTokens(context);
var html = MyHtml.GenerateHtmlForm(token.FormFieldName, token.RequestToken!);
var html = MyUtils.GenerateHtmlForm(token.FormFieldName, token.RequestToken!);
return Results.Content(html, "text/html");
});
app.MapPost("/upload", async Task<Results<Ok<string>,BadRequest<string>>>
([FromForm] FileUpload file, HttpContext context, IAntiforgery antiforgery) =>
([FromForm] FileUploadForm fileUploadForm, HttpContext context, IAntiforgery antiforgery) =>
{
try
{
await antiforgery.ValidateRequestAsync(context);
await MyHtml.UploadFileWithName(file.FileDocument!, file.Name!,
await MyUtils.SaveFileWithName(fileUploadForm.FileDocument!, fileUploadForm.Name!,
app.Environment.ContentRootPath);
return TypedResults.Ok($"Your file with the description:" +
$" {file.Description} has been uploaded successfully");
$" {fileUploadForm.Description} has been uploaded successfully");
}
catch (AntiforgeryValidationException e)
{
@ -40,48 +38,9 @@ app.MapPost("/upload", async Task<Results<Ok<string>,BadRequest<string>>>
app.Run();
// </snippet_1>
public class FileUpload
public class FileUploadForm
{
public string? Name { get; set; }
public string? Description { get; set; }
public IFormFile? FileDocument { get; set; }
}
public class MyUtils
{
string GetOrCreateFilePath(string fileName, string contentRootPath,
string filesDirectory = "uploadFiles")
{
var directoryPath = Path.Combine(contentRootPath, filesDirectory);
Directory.CreateDirectory(directoryPath);
return Path.Combine(directoryPath, fileName);
}
public async Task UploadFileWithName(IFormFile file, string fileSaveName, string contentRootPath)
{
var filePath = GetOrCreateFilePath(fileSaveName, contentRootPath);
await using var fileStream = new FileStream(filePath, FileMode.Create);
await file.CopyToAsync(fileStream);
}
public string GenerateHtmlForm(string formFieldName, string requestToken)
{
return $"""
<html>
<body>
<form action="/upload" method="POST" enctype="multipart/form-data">
<input name="{formFieldName}" type="hidden" value="{requestToken}" required/>
<br/>
<input name="Name" type="text" placeholder="Name of file" pattern=".*\.(jpg|jpeg|png)$" title="Please enter a valid name ending with .jpg, .jpeg, or .png" required/>
<br/>
<input name="Description" type="text" placeholder="Description of file" required/>
<br/>
<input type="file" name="FileDocument" placeholder="Upload an image..." accept=".jpg,
.jpeg, .png" />
<input type="submit" />
</form>
</body>
</html>
""";
}
}