public async Task GenerateThumbnailAndPreview(int versionId)
{
TemplateVersionTbl?version = (await _templateVersionTbl.Get(
x => x.Id.Equals(versionId),
null,
nameof(TemplateVersionTbl.Template)))
.FirstOrDefault();
if (version == null)
{
return;
}
// Compile HTML and test data
HandlebarsTemplate <object, object> template = Handlebars.Compile(version.Html);
string result = template(JObject.Parse(version.TestData !));
HtmlConverter converter = new();
byte[] preview = converter.FromHtmlString(result, format: ImageFormat.Png);
byte[] thumbnail = converter.FromHtmlString(result, 75, ImageFormat.Png, 50);
Uri previewUri = await SaveImage(version.Template.ProjectId, preview, $"Template-{version.TemplateId}-Version-{version.Id}-preview.png");
Uri thumbnailUri = await SaveImage(version.Template.ProjectId, thumbnail, $"Template-{version.TemplateId}-Version-{version.Id}-thumbnail.png");
await _templateVersionTbl.UpdateFromQuery(x => x.Id.Equals(versionId), _ => new TemplateVersionTbl
{
PreviewImage = previewUri.ToString(),
ThumbnailImage = thumbnailUri.ToString()
});
}
public async Task <IActionResult> OnPostMarkAsActive()
{
TemplateVersionTbl?version = (await _templateVersionTbl.Get(x =>
x.Id.Equals(MarkAsActive.VersionId) &&
x.TemplateId.Equals(MarkAsActive.TemplateId) &&
x.Template !.ProjectId.Equals(MarkAsActive.ProjectId)))
.FirstOrDefault();
if (version == null)
{
throw new NullReferenceException(nameof(version));
}
version.IsActive = true;
_templateVersionTbl.Update(version);
await _templateVersionTbl.UpdateFromQuery(x =>
x.IsActive &&
!x.Id.Equals(version.Id) &&
x.TemplateId.Equals(version.TemplateId),
_ =>
new TemplateVersionTbl
{
IsActive = false
});
await _templateTbl.UpdateFromQuery(x => x.Id.Equals(MarkAsActive.TemplateId), _ => new TemplateTbl
{
DateModified = DateTime.Now
});
await _projectTbl.UpdateFromQuery(x => x.Id.Equals(MarkAsActive.ProjectId), _ => new ProjectTbl
{
DateModified = DateTime.Now
});
TempData["toastStatus"] = "success";
TempData["toastMessage"] = "Template version marked as active";
TempData["scrollToId"] = $"version-{version.Id}";
return(RedirectToPage("/Project/Details", new { id = MarkAsActive.ProjectId }));
}