public/Get-UserOption.ps1
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<# .SYNOPSIS Prompts the user to select from provided options. .DESCRIPTION This function presents the user with a list of options to select from. If -MultiSelect is provided, the user can select multiple options. .PARAMETER Options A hashtable of options for the user to select from. Keys are the actual values, and values are the display names. .PARAMETER MultiSelect Allows the user to select multiple options. .EXAMPLE $fruits = @{ A = 'Apple' B = 'Banana' C = 'Cherry' } Get-UserOption -Options $fruits This will prompt the user to select their favorite fruit from the provided options. #> function Get-UserOption { [CmdletBinding()] param ( [Parameter(Mandatory=$true)] [hashtable]$Options, [switch]$MultiSelect ) $selectedValues = @() # Construct the option lookup with objects $optionLookup = @() $counter = 1 foreach ($key in $Options.Keys) { $optionObject = New-Object PSObject -Property @{ Index = $counter; Key = $key; Value = $Options[$key]; } $optionLookup += $optionObject $counter++ } do { # Display the options $optionLookup | ForEach-Object { Write-Host "$($_.Index). $($_.Value)" } # Prompt the user for input $promptMessage = if ($MultiSelect) { "Select option(s) by number" } else { "Select option by number" } $inputValue = Read-Host -Prompt $promptMessage # Parse the input if ($MultiSelect) { $selectedNumbers = $inputValue -split ',' | ForEach-Object { [int]($_.Trim()) } foreach ($num in $selectedNumbers) { $selectedKey = ($optionLookup | Where-Object { $_.Index -eq $num }).Key if ($selectedKey) { $selectedValues += $selectedKey } } } else { $inputValue = [int]$inputValue $selectedKey = ($optionLookup | Where-Object { $_.Index -eq $inputValue }).Key if ($selectedKey) { $selectedValues += $selectedKey } } } while ($selectedValues.Count -le 0) # Return the selected values if ($MultiSelect) { return $selectedValues } else { return $selectedValues[0] } } |