Public/Get-RssFeed.ps1
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function Get-RSSFeed { [CmdletBinding(DefaultParameterSetName = 'Count')] param( [Parameter(ValueFromPipeline)][System.Uri[]] $Url, [Parameter(ParameterSetName = 'Count')][nullable[int]] $Count = 10, [Parameter(ParameterSetName = 'All')] [switch] $All, [switch] $CategoriesOnly ) Begin { [Object] $FeedGlobal = $null switch ($PsCmdlet.ParameterSetName) { 'All' { $Count = $null; break} 'Count' { break } } } Process { [int] $PageCount = 1 [System.Uri] $BuildURL = "$Url" [Object] $Feed = $null while ($true) { Write-Verbose "Get-Feed - Count: $($Feed.Count) Expected Count: $Count URL: $BuildURL" try { $Feed += Invoke-RestMethod -Uri $BuildURL -Verbose:$false } catch { $ErrorMessage = $_.Exception.Message -replace "`n", " " -replace "`r", " " if ($PageCount -eq 1) { # Write-Warning "Get-Feed - Url: $Url CurrentUrl: $BuildURL Error: $ErrorMessage" } else { # Basically means end of feed for /?paged if it's more then 1 page being fed # Especially for -All switch } break; } if ($All) { $FeedGlobal += $Feed } elseif ($Count) { if ($Feed.Count -ge $Count) { # if count is defined return only defined count $FeedGlobal += $Feed | Select-Object -First $Count break } } else { # Shouldn't happen really break } $PageCount++ $BuildURL = "$Url/?paged=$PageCount" } } End { $Value = Format-RSSFeed -Feed $FeedGlobal if ($CategoriesOnly) { return $Value.Categories -Split ',' | Group-Object -NoElement | Sort-Object Count -Descending } else { Write-Verbose "Get-RssFeed - Returning $($Value.Count) articles" return $Value } } } |