Last active
September 10, 2016 13:54
-
-
Save Thorium/00a3bfae0bf97e161f474e2afe0c335c to your computer and use it in GitHub Desktop.
Generate RSS feed from a list of F# record items using Linq2Xml. To use e.g. to generate feeds from your web server.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#if INTERACTIVE | |
#r "System.Xml.Linq.dll" | |
#else | |
module Rss | |
#endif | |
open System | |
open System.Xml.Linq | |
type NewsItem = { | |
Title : string; | |
Link: string; | |
ReleaseDate: DateTime; | |
Description: string; | |
} | |
let myChannelFeed | |
(channelTitle:string) | |
(channelLink:string) | |
(channelDescription:string) (items : NewsItem list) = | |
let xn = XName.Get | |
let elem name (valu:string) = XElement(xn name, valu) | |
let elems = | |
items |> List.sortBy(fun i -> i.ReleaseDate) | |
|> List.map(fun i -> | |
XElement(xn "item", | |
elem "title" (System.Net.WebUtility.HtmlEncode i.Title), | |
elem "link" i.Link, | |
elem "guid" i.Link, | |
elem "pubDate" (i.ReleaseDate.ToString("r")), | |
elem "description" (System.Net.WebUtility.HtmlEncode i.Description) | |
)) | |
XDocument( | |
XDeclaration("1.0", "utf-8", "yes"), | |
XElement(xn "rss", | |
XAttribute(xn "version", "2.0"), | |
elem "title" channelTitle, | |
elem "link" channelLink, | |
elem "description" channelDescription, | |
elem "language" "en-us", | |
XElement(xn "channel", elems) | |
) |> box) | |
// set mime-type to "text/xml" and deliver e.g. as rss.xml | |
(* | |
let generateFeed = | |
myChannelFeed "FSnip Test Feed" "http://www.fssnip.com" "Some independent F# functions and code" | |
let myXml = | |
[{Title = "Welcome"; | |
Link="www.fssnip.net/9q"; | |
ReleaseDate=DateTime.UtcNow; | |
Description="First item"}; | |
{Title = "Hello"; | |
Link="www.fssnip.net/1q"; | |
ReleaseDate=DateTime.UtcNow; | |
Description="Second item"} | |
] |> generateFeed | |
*) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment