Simple PowerShell v5 Class module to managing a ToyBox

toybox_v1.0.0.psm1

#
# Example PowerShell v5 class
#
# Jeremy Goodrum - ExosphereData, LLC 2017
#

enum EnumState
{
    Missing
    Stored
    Playing
}

class ToyBox
{
  # Name of the Toy or Item to be stored
  [string] $Name

  # Current State or Location of the Toy
  [EnumState] $State

  # This is currently a Favorited item or toy
  [boolean] $Favorite

  hidden [System.Object[]] $stored_Items

  [ToyBox[]] Get()
  {
    return $this.GetMyItems()
  }
  [ToyBox] Get([string] $Name)
  {
    $___Results = $this.GetMyItems()
    $___thisResult = $___Results | ?{$_.Name -eq $Name}
    if (-not [string]::IsNullOrEmpty($___thisResult))
    {
      $this.Name = $___thisResult.Name
      $this.State = $___thisResult.State
      $this.Favorite = $___thisResult.Favorite
    } else {
      Write-Warning ("The toy [{0}] was not found." -f $Name)
    }
    return $this
  }
  [void] Save()
  {
    $this.SaveMyItems()        
  }

  [void] Remove()
  {
    $this.RemoveThisToy($this.Name)
  }
  [void] Remove([string]$___Name)
  {
    $this.RemoveThisToy($___Name)
  }

  [void] Save([string]$___Name)
  {
    $this.Name     = $___Name
    $this.State    = "Missing"
    $this.Favorite = $false
    $this.SaveMyItems()

  }

  [void] Save([string]$___Name,[EnumState]$___State)
  {
    $this.Name     = $___Name
    $this.State    = $___State
    $this.Favorite = $false
    $this.SaveMyItems()

  }

  [void] Save([string]$___Name,[EnumState]$___State,[boolean]$___Favorite)
  {
    $this.Name     = $___Name
    $this.State    = $___State
    $this.Favorite = $___Favorite
    $this.SaveMyItems()

  }
  [ToyBox] Play()
  {
    $this.State = "Playing"
    return $this
  }
  [ToyBox] Store()
  {
    $this.State = "Stored"
    return $this
  }
  [ToyBox] Lost()
  {
    $this.State = "Missing"
    return $this
  }
  [ToyBox] Like()
  {
    $this.Favorite = $true
    return $this
  }
  [ToyBox] Hate()
  {
    $this.Favorite = $false
    return $this
  }
  [void] Export ()
  {
    $this.stored_Items | ConvertTo-Json | Out-File -FilePath .\my_toys.txt
  }
  [void] Import ()
  {
    $___saveFile = (Get-Content -Path .\my_toys.txt)
    $this.stored_Items = ( $___saveFile | ConvertFrom-Json )
  }

  hidden [string[]] SaveMyItems ()
  {
    $___storedItems = $this.GetMyItems()
    $__existingItem = $___storedItems | ?{$_.Name -eq $this.Name}
    if (-not [string]::IsNullOrEmpty($__existingItem) ){
      $__existingItem.Name = $this.Name
      $__existingItem.State = $this.State
      $__existingItem.Favorite = $this.Favorite
      $__currentList = ($___storedItems | ?{$_.Name -ne $this.Name})
      $__currentList += $__existingItem
      $this.stored_Items = ($__currentList | ConvertTo-Json)
    }
    else{
      $__newItem = @{
        Name = $this.Name
        State = $this.State
        Favorite = $this.Favorite
      }
      $___storedItems += $__newItem
      $this.stored_Items = ($___storedItems | ConvertTo-Json)
    }
    return $this.stored_Items
  }
  hidden [void] RemoveThisToy ([string] $___Name)
  {
    $___storedItems = $this.GetMyItems()
    $__existingItem = $___storedItems | ?{$_.Name -eq $___Name}
    if (-not [string]::IsNullOrEmpty($__existingItem) ){
      $__currentList = ($___storedItems | ?{$_.Name -ne $this.Name})
      $this.stored_Items = ($__currentList | ConvertTo-Json)
    }
  }

  hidden [ToyBox[]] GetMyItems()
  {
    if (-not [string]::IsNullOrEmpty($this.stored_Items) ){
      return ($this.stored_Items | ConvertFrom-Json)
    } else {
      return $null
    }
  }

  static [ToyBox[]] op_Addition([ToyBox] $Left, [ToyBox] $Right)
  {
    $__current = @()
    $__current += ($Left | ConvertTo-Json)
    $__current += ($Right | ConvertTo-Json)
    return  ($__current | ConvertFrom-Json)

  }
}


function New-ToyBox{
    param(
        [string] $Name,
        [EnumState] $State,
        [boolean] $Favorite

        )
    $__toyBox = [ToyBox]::new()
    if($Name) {$__toyBox.Name = $Name}
    if($State) {$__toyBox.State = $State}
    if($Favorite) {$__toyBox.Favorite = $Favorite}


    return $__toyBox
}