functions/private.ps1
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#private functions for this module Function Invoke-QuizQuestion { [CmdletBinding()] Param( [Parameter(mandatory, ValueFromPipelineByPropertyName)] [ValidateNotNullOrEmpty()] [String]$Question, [Parameter(mandatory, ValueFromPipelineByPropertyName)] [ValidateNotNullOrEmpty()] [String]$Answer, [Parameter(mandatory, ValueFromPipelineByPropertyName)] [ValidateNotNullOrEmpty()] [string[]]$Distractors, [Parameter(ValueFromPipelineByPropertyName)] [String]$Note, [String]$Title = 'PowerShell Quiz' ) Begin { Write-Verbose "Starting $($MyInvocation.MyCommand)" } Process { Write-Verbose $Question Write-Verbose "Detected $($distractors.count) distractors" $possible = @($Answer, $Distractors) | Get-Random -Count ($Distractors.count + 1) $cue = @" $Question $('-'*75) "@ for ($i = 1; $i -lt $possible.count + 1; $i++) { $cue += "[$i] $($possible[$i-1])`n" } $cue += "[$i] Quit`n" $cue += $('-' * 75) Write-Host $Title -ForegroundColor Cyan Write-Host ('Question {0}/{1}' -f $QuestionCount, $AllCount) -ForegroundColor green Write-Host $cue $count = $Distractors.count + 1 Write-Verbose "$count answers" Do { try { [ValidateScript( { $_ -ge 1 -AND $_ -le $count + 1 })][int32]$r = Read-Host -Prompt 'Select a menu choice [1-5]' -ErrorAction stop Write-Verbose "You entered $r" } Catch { #ignore the error #Write-Warning $_.exception.message Write-Warning "Please select a value between 1 and $($count+1)" $r = 0 } } Until ($r -gt 0) if ($possible[$r - 1] -eq $answer) { Write-Host 'Correct!' -ForegroundColor green $True } elseif ($r -eq $count + 1) { Write-Verbose 'You selected Quit' return -1 } else { Write-Host "The correct answer is: $answer" -ForegroundColor magenta $false } if ($Note) { Write-Host "`nAdditional Notes" -ForegroundColor yellow Write-Host '----------------' -ForegroundColor yellow Write-Host $Note -ForegroundColor Yellow Write-Host "`n" } } #process End { Write-Verbose "Ending $($MyInvocation.MyCommand)" } } #close function Function Get-GPA { [CmdletBinding()] Param([int32]$Correct, [int32]$Possible) $grades = [ordered]@{ 'A' = 4 'A-' = 3.7 'B+' = 3.3 'B' = 3 'B-' = 2.7 'C+' = 2.3 'C' = 2.0 'C-' = 1.7 'D+' = 1.3 'D' = 1 'D-' = .7 'F' = 0 } $pct = ($Correct / $Possible) * 100 $gpa = [math]::round(($pct / 20), 1) $grade = $grades.GetEnumerator() | Where-Object { $_.value -le $gpa } | Select-Object -First 1 [PSCustomObject]@{ Grade = $grade.name Minimum = $grade.Value GPA = $GPA } } #end function |