Quick-Note.psm1

function Quick-Note {
    param(
        [string] $a,
        [switch] $x)

    #Initializes cache if first run
    if(!$notes)
    {
        $global:notes = New-Object System.Collections.ArrayList
    }

    #Clears cache
    if($x)
    {
        ClearNotes
    }

    #Appends new note to cache
    if ($a)
    {
        AppendNote($a)
    }
    
    #Print cache to console
    PrintNotes

<#
.SYNOPSIS
Store and view quick text notes in the Powershell console.

.DESCRIPTION
This module caches text notes appending them to a persistent variable in the current Powershell session. 
It allows to clear, append and display the note cache on the Powershell console.
The note cache will be cleared when the Powershell session ends.

To use import as a PS module: 
PS> Import-Module -Name {path}/Quick-Note.psm1 

.PARAMETER a
String to append to current note cache.

.PARAMETER x
Clear note cache.

.EXAMPLE
PS> Quick-Note -x

.EXAMPLE
PS> Quick-Note -a "Hello world"

.EXAMPLE
PS> Quick-Note

#>
}

function AppendNote($newNoteText)
{
    $datetime = Get-Date
    $id = $notes.Count + 1
    $newnote = New-Object System.Object
    $newnote | Add-Member -MemberType NoteProperty -Name Id -Value $id
    $newnote | Add-Member -MemberType NoteProperty -Name DateTime -Value $datetime
    $newnote | Add-Member -MemberType NoteProperty -Name Note -Value $newNoteText
    $notes.Add($newnote)
}

function EditNote($id)
{
    #TODO
}

function DeleteNote($id)
{
    #TODO
}

#Print note cache to screen
function PrintNotes()
{
    $spacer = "༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻༻"
    $originalForegroundColor = $host.ui.RawUI.ForegroundColor
    $host.ui.RawUI.ForegroundColor = “Magenta”
    Write-Host $spacer
    $notes | Format-Table Id, @{Label="DateTime"; Expression={$_.DateTime.ToString("MM/dd HH:mm")}}, Note 
    Write-Host $spacer
    $host.ui.RawUI.ForegroundColor = $originalForegroundColor
}

function ClearNotes()
{
    Clear-Variable -Scope Global -Name notes
}


#Making module alias available
New-Alias -Name cn -Value Quick-Note
#Exposing module main function
Export-ModuleMember -Function Quick-Note -Alias cn