Public/Show-Advice.ps1
function Show-Advice { [CmdletBinding(HelpUri = 'https://github.com/vexx32/PSKoans/tree/master/docs/Show-Advice.md')] [Alias('Get-Advice')] [OutputType([void])] param( [Parameter(Position = 0)] [string] $Name = "*" ) begin { $AdviceFolder = $script:ModuleRoot | Join-Path -ChildPath 'Data/Advice' } process { $AdviceObject = Get-ChildItem -Path $AdviceFolder -Recurse -File -Filter "$Name.Advice.json" | Get-Random | Get-Content | ConvertFrom-Json # Checking for errors if (-not $AdviceObject) { $ErrorDetails = @{ ExceptionType = 'System.IO.FileNotFoundException' ExceptionMessage = 'Could not find any Advice files matching the specified Name: {0}.' -f $Name ErrorId = 'PSKoans.NoMatchingAdviceFound' ErrorCategory = 'ObjectNotFound' TargetObject = $Name } $PSCmdlet.ThrowTerminatingError( (New-PSKoanErrorRecord @ErrorDetails) ) } elseif (-not ($AdviceObject.Title -and $AdviceObject.Content)) { $ErrorDetails = @{ ExceptionType = 'System.IO.FileLoadException' ExceptionMessage = 'Could not find Title and/or Content elements for Advice file: {0}' -f $Name ErrorId = 'PSKoans.IncorrectAdviceData' ErrorCategory = 'InvalidData' TargetObject = $Name } $PSCmdlet.ThrowTerminatingError( (New-PSKoanErrorRecord @ErrorDetails) ) } $AdviceObject.Title | Write-ConsoleLine -Title $AdviceObject.Content | Write-ConsoleLine } end { } } |