New-RssItem.ps1
|
function New-RssItem { <# .Synopsis Creates a new RSS Feed Item .Description Creates a new RSS Feed Item. When use with Out-Feed, can easily publish any information as RSS .Example New-RssItem -Title 'My Post' -Description 'Things I Learning While Writing Pipeworks' -Author $env:UserName -Link '.' -Category Stuff, OtherStuff .Link Out-RssFeed #> [OutputType([string])] param( # The post title [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] [string]$Title, # The post description [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] [Alias('ArticleBody', 'Html')] [string]$Description, # The post link [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] [Alias('Url')] [Uri]$Link, # The author of the post [Parameter(Mandatory=$true,ValueFromPipelineByPropertyName=$true)] [Alias('Creator')] [string]$Author, # Then the post was published [Parameter(ValueFromPipelineByPropertyName=$true)] [Alias('pubDate')] [DateTime]$DatePublished = [DateTime]::UtcNow, # Categories for the post [Parameter(ValueFromPipelineByPropertyName=$true)] [Alias('Keyword', 'Keywords', 'Tags')] [string[]]$Category, # If set, returns the RSS item as HTML with microdata [Switch]$AsHTML ) begin { Add-Type -AssemblyName System.Web } process { #region Collect the Categories $category = $category -split "\|" $categoryChunk = foreach ($c in $category) { if (-not $c) { continue } "<category>$([Security.SecurityElement]::Escape($c))</category>" } #endregion #region Create the XML $rssXml = @" <item> <title>$([Security.SecurityElement]::Escape($title))</title> <creator>$([Security.SecurityElement]::Escape($Author))</creator> <pubDate>$($DatePublished.ToString('r'))</pubDate> <description> <![CDATA[ $description ]]> </description> <link>$([Security.SecurityElement]::Escape($link))</link> $categoryChunk </item> "@ if (-not ($rssXml -as [xml])) { $rssXml = @" <item> <title>$([Security.SecurityElement]::Escape($title))</title> <creator>$([Security.SecurityElement]::Escape($Author))</creator> <pubDate>$($DatePublished.ToString('r'))</pubDate> <description> </description> <link>$([Security.SecurityElement]::Escape($link))</link> $categoryChunk </item> "@ $rssXml = [xml]$rssXml } else { $rssXml = [xml]$rssXml } #endregion Create the XML # If no rssXMl exists, an exception from converting the XML should have bubbled up, so return. if (-not $rssXml) { return } if ($AsHtml) { $pageContent = $psBoundParameters $cats = foreach ($cat in $pageContent.Category) { if (-not $cat) { continue } $catLink = $cat.Replace("|", " ").Replace("/", "-").Replace("\","-").Replace(":","-").Replace("!", "-").Replace(";", "-").Replace(" ", "_").Replace("@","at").Replace(",", "_") + ".posts.html" " <a class='relatedTagButton' href='$catLink'> <span itemprop='keywords' font-size='x-small'>$cat</span> </a>" } @" <h2 class='ui-widget-header'><a href='$($pageContent.Link)'>$($pageContent.Title)</a></h2> <meta itemprop='name' style='display:none' content='$([Web.HttpUtility]::HtmlAttributeEncode($pageContent.Title))' /> <meta itemprop='url' style='display:none' content='$([Web.HttpUtility]::HtmlAttributeEncode($pageContent.Link))' /> $(if ($cats) { 'More' + ($cats -join ' | ') }) <p style='text-align:right'> <span itemprop='datePublished' style='font-size:small'/>$(([DateTime]$pageContent.DatePublished).ToLongDateString())</span><br/> <a href='$moduleRssName.xml'><img src='rss.png' border='0'/></a> | $(Write-Link 'facebook:share', 'twitter:tweet' -Horizontal ) <meta itemprop='author' style='display:none' content='$([Web.HttpUtility]::HtmlAttributeEncode($pageContent.Author))' /> </p> <div itemprop='ArticleBody'> $Description </div> $(if ($pipeworksManifest.Blog.DisqusId) { Write-Link "disqus:$($pipeworksManifest.Blog.DisqusId)" }) "@ } else { #region Save it as balanced tags and chop off the xml declaration $strWrite = New-Object IO.StringWriter $rssXml.Save($strWrite) $prettyXml = "$strWrite" $prettyXml.Substring($prettyXml.IndexOf(">") + 3) #endregion Save it as balanced tags and chop off the xml declaration } } } |