functions/Invoke-PSQuiz.ps1
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#load a quiz from a json file Function Invoke-PSQuiz { [CmdletBinding(DefaultParameterSetName = 'path')] [OutputType('pzQuizResult')] [alias('Start-PSQuiz')] Param( [Parameter( Position = 0, Mandatory, ValueFromPipelineByPropertyName, HelpMessage = 'Enter the full path to the quiz file', ParameterSetName = 'path' )] [ValidateScript({ Test-Path $_ })] [String]$Path, [Parameter( ParameterSetName = 'name', HelpMessage = 'Specify the quiz name.' )] [ValidateNotNullOrEmpty()] [ValidateScript({ if (Get-PSQuiz -Name $_) { $True } else { Write-Warning "Can't find a quiz with the name in $PSQuizPath." $False } })] [String]$Name ) Begin { Write-Verbose "[$((Get-Date).TimeOfDay) BEGIN ] Starting $($MyInvocation.MyCommand)" Write-Verbose "[$((Get-Date).TimeOfDay) BEGIN ] Running under PowerShell version $($PSVersionTable.PSVersion)" } #begin Process { if ($PSCmdlet.ParameterSetName -eq 'Name') { Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Getting path to $Name quiz" $Path = (Get-PSQuiz -Name $Name).path } Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Loading test from $Path" Write-Verbose "[$((Get-Date).TimeOfDay) PROCESS] Test Details:" $test = Get-Content -Path $path | ConvertFrom-Json Write-Verbose "`n$(($test.metadata | Out-String).Trim())" $in = Get-Content -Path $path | ConvertFrom-Json $title = '{0} [v{1}]' -f $in.metadata.name, $in.metadata.version $QuestionCount = 0 $CorrectCount = 0 #randomize the questions $AllQuestions = $in.questions | Get-Random -Count $in.questions.count #$AllCount is used in the private Invoke-QuizQuestion function $AllCount = $AllQuestions.count #capture the quiz start time $StartTime = Get-Date foreach ($question in $AllQuestions) { $QuestionCount++ $answer = $question | Invoke-QuizQuestion -title $title Write-Verbose "Answer = $answer" if ($answer -is [Int]) { Write-Verbose 'Ending the quiz.' #decrease the question count since the last one didn't technically get an answer $QuestionCount-- break } elseif ($answer) { $CorrectCount++ } Pause } #capture the stop time $StopTime = Get-Date #This is the output from this function [PSCustomObject]@{ PSTypeName = 'psQuizResult' Test = $in.metadata.Name TestVersion = $in.metadata.version -as [Version] TotalQuestions = $QuestionCount TotalCorrect = $CorrectCount Date = (Get-Date) TestTime = New-TimeSpan -Start $StartTime -End $StopTime Path = Convert-Path $Path } } #process End { Write-Verbose "[$((Get-Date).TimeOfDay) END ] Ending $($MyInvocation.MyCommand)" } #end } |