N2CMS : Link for sharing content on LinkedIn

Readme.md

LinkedIn share link

N2CMS extension methods for generating LinkedIn share link

N2Extensions.cs

	public static class N2Extensions
	{
		public static string FullUrl(this N2.ContentItem item)
		{
			return HttpContext.Current.Request.Url.GetBaseUri().OriginalString + item.Url;
		}
	}

SocialExtensions.cs

	public static class SocialExtensions
	{
		/// <summary>
		/// Extension method for producing LinkedIn share link
		/// https://developer.linkedin.com/documents/share-linkedin
		/// </summary>
		/// <param name="item">N2 content item for sharing</param>
		/// <param name="title">Optional title. If empty, item Title property will be used. Maximum 200 chars</param>
		/// <param name="summary">A brief summary of the article. Longer titles will be truncated gracefully with ellipses.</param>
		/// <param name="source">The source of the article. Example: Wired Magazine. Maximum 200 chars</param>
		/// <returns>Url which, when returned as link, leads to LinkedIn dialog for sharing</returns>
		public static string LinkedinShareUrl(this N2.ContentItem item, string title = "", string summary = "", string source = "")
		{
			if (String.IsNullOrWhiteSpace(title)) title = item.Title;

			string url = String.Format("http://www.linkedin.com/shareArticle?mini=true&url={0}&title={1}",
				HttpUtility.UrlEncode(item.FullUrl()),										// HttpUtility.UrlEncode for encoding url
				Uri.EscapeDataString(title.Substring(0, Math.Min(title.Length, 200))));		// Uri.EscapeDataString for encoding text

			if (!String.IsNullOrWhiteSpace(summary)) url = url + "&summary=" + Uri.EscapeDataString(summary);
			if (!String.IsNullOrWhiteSpace(source)) url = url + "&source=" + Uri.EscapeDataString(source).Substring(0, Math.Min(source.Length, 200));

			return url;
		}
	}

UriExtensions.cs

	public static class UriExtensions
	{
		/// <summary>
		/// Extracts the base URL from a <see cref="Uri"/>.
		/// </summary>
		/// <param name="uri">Specifies the URI from which to extract the base URL.</param>
		/// <returns>A base url, for example http://www.foobar.com:8080</returns>
		public static Uri GetBaseUri(this Uri uri)
		{
			return new Uri(string.Format("{0}{1}{2}", uri.Scheme, Uri.SchemeDelimiter, uri.Authority));
		}
	}