/// <summary>
/// Add site banner
/// </summary>
/// <param name="imageStream"></param>
/// <param name="fileName"></param>
/// <param name="alternateText"></param>
/// <param name="targetUrl"></param>
/// <param name="active"></param>
/// <returns></returns>
public async Task <RServiceResult <GanjoorSiteBannerViewModel> > AddSiteBanner(Stream imageStream, string fileName, string alternateText, string targetUrl, bool active)
{
RServiceResult <RImage> image = await _imageFileService.Add(null, imageStream, fileName, "SiteBanners");
if (!string.IsNullOrEmpty(image.ExceptionString))
{
return(new RServiceResult <GanjoorSiteBannerViewModel>(null, image.ExceptionString));
}
GanjoorSiteBanner banner = new GanjoorSiteBanner()
{
RImage = image.Result,
AlternateText = alternateText,
TargetUrl = targetUrl,
Active = active
};
_context.GanjoorSiteBanners.Add(banner);
await _context.SaveChangesAsync();
await CleanBannersCache();
return(new RServiceResult <GanjoorSiteBannerViewModel>
(
new GanjoorSiteBannerViewModel()
{
Id = banner.Id,
ImageUrl = $"api/rimages/{banner.RImageId}.jpg",
AlternateText = banner.AlternateText,
TargetUrl = banner.TargetUrl,
Active = banner.Active
}
));
}
/// <summary>
/// delete site banner
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public async Task <RServiceResult <bool> > DeleteSiteBanner(int id)
{
GanjoorSiteBanner target = await _context.GanjoorSiteBanners.Where(b => b.Id == id).SingleOrDefaultAsync();
if (target == null)
{
return(new RServiceResult <bool>(false));//not found
}
_context.GanjoorSiteBanners.Remove(target);
await _context.SaveChangesAsync();
await CleanBannersCache();
return(new RServiceResult <bool>(true));
}
/// <summary>
/// modify site banner
/// </summary>
/// <param name="id"></param>
/// <param name="alternateText"></param>
/// <param name="targetUrl"></param>
/// <param name="active"></param>
/// <returns></returns>
public async Task <RServiceResult <bool> > ModifySiteBanner(int id, string alternateText, string targetUrl, bool active)
{
GanjoorSiteBanner target = await _context.GanjoorSiteBanners.Where(b => b.Id == id).SingleOrDefaultAsync();
if (target == null)
{
return(new RServiceResult <bool>(false));//not found
}
target.AlternateText = alternateText;
target.TargetUrl = targetUrl;
target.Active = active;
_context.GanjoorSiteBanners.Update(target);
await _context.SaveChangesAsync();
await CleanBannersCache();
return(new RServiceResult <bool>(true));
}