public string ExtractFirstImargeUrl(IPost post, IUrlHelper urlHelper)
{
if (post == null)
{
return(string.Empty);
}
if (urlHelper == null)
{
return(string.Empty);
}
var result = filter.ExtractFirstImageUrl(post.Content);
if (result == null)
{
return(string.Empty);
}
if (result.StartsWith("http"))
{
return(result);
}
var baseUrl = string.Concat(urlHelper.ActionContext.HttpContext.Request.Scheme,
"://",
urlHelper.ActionContext.HttpContext.Request.Host.ToUriComponent());
return(baseUrl + result);
}
public string ExtractFirstImargeUrl(IPost post, IUrlHelper urlHelper, string fallbackImageUrl = null)
{
if (urlHelper == null)
{
return(string.Empty);
}
var baseUrl = string.Concat(urlHelper.ActionContext.HttpContext.Request.Scheme,
"://",
urlHelper.ActionContext.HttpContext.Request.Host.ToUriComponent());
if (!string.IsNullOrWhiteSpace(firstImageUrl))
{
if (firstImageUrl.StartsWith("http"))
{
return(firstImageUrl);
}
return(baseUrl + firstImageUrl); //don't extract it more than once
}
if (post == null)
{
return(string.Empty);
}
firstImageUrl = filter.ExtractFirstImageUrl(post.Content);
if (firstImageUrl == null)
{
return(fallbackImageUrl);
}
if (firstImageUrl.StartsWith("http"))
{
return(firstImageUrl);
}
return(baseUrl + firstImageUrl);
}
public string ExtractFirstImageUrl(IContentItem item, IUrlHelper urlHelper, string fallbackImageUrl = null)
{
if (urlHelper == null)
{
return(string.Empty);
}
if (item == null)
{
return(string.Empty);
}
var baseUrl = string.Concat(urlHelper.ActionContext.HttpContext.Request.Scheme,
"://",
urlHelper.ActionContext.HttpContext.Request.Host.ToUriComponent());
if (item.ContentType == "markdown")
{
var mdImg = _markdownProcessor.ExtractFirstImageUrl(item.Content);
if (!string.IsNullOrEmpty(mdImg))
{
if (mdImg.StartsWith("http"))
{
return(mdImg);
}
return(baseUrl + mdImg);
}
return(string.Empty);
}
if (!string.IsNullOrWhiteSpace(firstImageUrl) && pslug == item.Slug)
{
if (firstImageUrl.StartsWith("http"))
{
return(firstImageUrl);
}
return(baseUrl + firstImageUrl); //don't extract it more than once
}
if (item == null)
{
return(string.Empty);
}
firstImageUrl = _htmlProcessor.ExtractFirstImageUrl(item.Content);
pslug = item.Slug;
if (firstImageUrl == null)
{
return(fallbackImageUrl);
}
if (firstImageUrl.StartsWith("http"))
{
return(firstImageUrl);
}
return(baseUrl + firstImageUrl);
}