Update.cshtml

@* Generator: WebPage *@

@using System.Globalization;
@using System.IO;
@using NuGet;

@section PackageHead { 
    <script type="text/javascript" src="@Href("scripts/PackageAction.js")"></script>
    <noscript>@PackageManagerResources.JavascriptRequired</noscript>
}
@{
    // Read params from request
    var sourceName = Request["source"];
    var packageId = Request["package"];
    var versionString = Request["version"];
    var packageSource = PageUtils.GetPackageSource(sourceName);
   
    var version = !versionString.IsEmpty() ? SemanticVersion.Parse(versionString) : null;
    
    WebProjectManager projectManager;
    try {
        projectManager = new WebProjectManager(packageSource.Source, PackageManagerModule.SiteRoot);
    } catch (Exception exception) {
        <div class="error message">@exception.Message</div>
        return;
    }
    var updatePackage = projectManager.SourceRepository.FindPackage(packageId, version);
    if (updatePackage == null) {
        ModelState.AddFormError(PackageManagerResources.BadRequest);
        @Html.ValidationSummary()
        return; 
    }

    var package = projectManager.LocalRepository.FindPackage(packageId);

    // Layout
    Page.SectionTitle = String.Format(CultureInfo.CurrentCulture, PackageManagerResources.UpdatePackageDesc, package.GetDisplayName(), updatePackage.Version);
    var packagesHomeUrl = Href(PageUtils.GetPackagesHome(), Request.Url.Query);

    if (IsPost) {
        AntiForgery.Validate();
        try { 
            projectManager.UpdatePackage(updatePackage);   
        } catch (Exception exception) {
            ModelState.AddFormError(exception.Message);
        }

        if (ModelState.IsValid) {
            Response.Redirect(packagesHomeUrl + "&action-completed=Update");
        }
        else {
            @Html.ValidationSummary(String.Format(CultureInfo.CurrentCulture, PackageManagerResources.PackageUpdateError, package.GetDisplayName()))
        }
        return;
    }
}

@RenderPage("_PackageDetails.cshtml", new Dictionary<string, object>{ {"Package", updatePackage} })
<br />
<form method="post" action="" id="submitForm">
    @AntiForgery.GetHtml()
    <input type="hidden" name="source" value="@sourceName" />
    <input type="hidden" name="package" value="@packageId" />
    <input type="hidden" name="version" value="@version" />

    <input type="submit" value="@PackageManagerResources.UpdatePackage" />
    <input type="reset" value="@PackageManagerResources.Cancel" data-returnurl="@packagesHomeUrl" />
    <br /><br />
</form>