Глава 2. Даты и журналы

Листинг 2-2. Код для извлечения первого и последнего дней месяца

$date= Get-Date -Day 01
$lastday = ((Get-Date -day 01).AddMonths(1)).AddDays(-1)

$start = $date
$end  = $lastday
 	   

Листинг 2-3. Код для создания структуры папок на основе даты

$Dname = ((get-date).AddDays(0).toString('yyyyMMdd')) #манипуляция с датой
$dirName = "ConfigBackup_$Dname"  #префикс для соответствующей папки

New-Item -Path c:\temp -Name $dirName -ItemType directory
 	   

Листинг 2-4. Код функции Write-Log

function New-FolderCreation
{
  [CmdletBinding()]
  param
  (
    [Parameter(Mandatory = $true)]
    [string]$foldername
  )
  $logpath  = (Get-Location).path + "\" + "$foldername"
  $testlogpath = Test-Path -Path $logpath
  if($testlogpath -eq $false)
  {
    #Start-ProgressBar -Title "Creating $foldername folder" -Timer 10
    $null = New-Item -Path (Get-Location).path -Name $foldername -Type directory
  }
}#New-FolderCreation

function Write-Log
{
  [CmdletBinding()]
  param
  (
    [Parameter(Mandatory = $true,ParameterSetName = 'Create')]
    [array]$Name,
    [Parameter(Mandatory = $true,ParameterSetName = 'Create')]
    [string]$Ext,
    [Parameter(Mandatory = $true,ParameterSetName = 'Create')]
    [string]$folder,
    [Parameter(ParameterSetName = 'Create',Position = 0)][switch]$Create,
    [Parameter(Mandatory = $true,ParameterSetName = 'Message')]
    [String]$message,
    [Parameter(Mandatory = $true,ParameterSetName = 'Message')]
    [String]$path,
    [Parameter(Mandatory = $false,ParameterSetName = 'Message')]
    [ValidateSet('Information','Warning','Error')]
    [string]$Severity = 'Information',
    [Parameter(ParameterSetName = 'Message',Position = 0)][Switch]$MSG
  )
  switch ($PsCmdlet.ParameterSetName) {
    "Create"
    {
      $log = @()
      $date1 = Get-Date -Format d
      $date1 = $date1.ToString().Replace("/", "-")
      $time = Get-Date -Format t
      $time = $time.ToString().Replace(":", "-")
      $time = $time.ToString().Replace(" ", "")
      New-FolderCreation -foldername $folder
      foreach ($n in $Name)
      {$log += (Get-Location).Path + "\" + $folder + "\" + $n + "_" + $date1 + "_" + $time + "_.$Ext"}
      return $log
    }
    "Message"
    {
      $date = Get-Date
      $concatmessage = "|$date" + "|   |" + $message +"|  |" + "$Severity|"
      switch($Severity){
        "Information"{Write-Host -Object $concatmessage -ForegroundColor Green}
        "Warning"{Write-Host -Object $concatmessage -ForegroundColor Yellow}
        "Error"{Write-Host -Object $concatmessage -ForegroundColor Red}
      }
      Add-Content -Path $path -Value $concatmessage
    }
  }
} #Function Write-Log
 	   

Листинг 2-5. Код для функции Set-Recyclelogs

function Set-Recyclelogs
{
  [CmdletBinding(
      SupportsShouldProcess = $true,
  ConfirmImpact = 'High')]
  param
  (
    [Parameter(Mandatory = $true,ParameterSetName = 'Local')]
    [string]$foldername,
    [Parameter(Mandatory = $true,ParameterSetName = 'Local')]
    [Parameter(Mandatory = $true,ParameterSetName = 'Path')]
    [Parameter(Mandatory = $true,ParameterSetName = 'Remote')]
    [int]$limit,

    [Parameter(ParameterSetName = 'Local',Position = 0)][switch]$local,

    [Parameter(Mandatory = $true,ParameterSetName = 'Remote')]
    [string]$ComputerName,
    [Parameter(Mandatory = $true,ParameterSetName = 'Remote')]
    [string]$DriveName,
    [Parameter(Mandatory = $true,ParameterSetName = 'Remote')]
    [string]$folderpath,

    [Parameter(ParameterSetName = 'Remote',Position = 0)][switch]$Remote,

    [Parameter(Mandatory = $true,ParameterSetName = 'Path')]
    [ValidateScript({
          if(-Not ($_ | Test-Path) ){throw "File or folder does not exist"}
          return $true
    })]
    [string]$folderlocation,

    [Parameter(ParameterSetName = 'Path',Position = 0)][switch]$Path

  )

  switch ($PsCmdlet.ParameterSetName) {
    "Local"
    {
      $path1 = (Get-Location).path + "\" + "$foldername"
      if ($PsCmdlet.ShouldProcess($path1 , "Delete"))
      {
        Write-Host "Path Recycle - $path1 Limit - $limit" -ForegroundColor Green
        $limit1 = (Get-Date).AddDays(-"$limit") #for report recycling
        $getitems = Get-ChildItem -Path $path1 -recurse -file | Where-Object {$_.CreationTime -lt $limit1}
        ForEach($item in $getitems){
          Write-Verbose -Message "Deleting item $($item.FullName)"
          Remove-Item $item.FullName -Force
        }
      }
    }

    "Remote"
    {
      $path1 = "\\" + $ComputerName + "\" + $DriveName + "$" + "\" + $folderpath
      if ($PsCmdlet.ShouldProcess($path1 , "Delete"))
      {
        Write-Host "Recycle Path - $path1 Limit - $limit" -ForegroundColor Green
        $limit1 = (Get-Date).AddDays(-"$limit") #for report recycling
        $getitems = Get-ChildItem -Path $path1 -recurse -file | Where-Object {$_.CreationTime -lt $limit1}
        ForEach($item in $getitems){
          Write-Verbose -Message "Deleting item $($item.FullName)"
          Remove-Item $item.FullName -Force
        }
      }
    }

   "Path"
    {
      $path1 = $folderlocation
      if ($PsCmdlet.ShouldProcess($path1 , "Delete"))
      {
        Write-Host "Path Recycle - $path1 Limit - $limit" -ForegroundColor Green
        $limit1 = (Get-Date).AddDays(-"$limit") #for report recycling
        $getitems = Get-ChildItem -Path $path1 -recurse -file | Where-Object {$_.CreationTime -lt $limit1}
        ForEach($item in $getitems){
          Write-Verbose -Message "Deleting item $($item.FullName)"
          Remove-Item $item.FullName -Force
        }
      }
    }
  }
}# Set-Recycle logs
 	   

Листинг 2-6. Код для функции Start-ProgressBar

function Start-ProgressBar
{
  [CmdletBinding()]
  param
  (
    [Parameter(Mandatory = $true)]
    $Title,
    [Parameter(Mandatory = $true)]
    [int]$Timer
  )
  For ($i = 1; $i -le $Timer; $i++)
  {
    Start-Sleep -Seconds 1;
    Write-Progress -Activity $Title -Status "$i" -PercentComplete ($i /100 * 100)
  }
} #Function Start-ProgressBar