VOD Backup Script for Windows (PowerShell)

vod_backup.ps1

# Define paths
$SourceDir = "C:\Users\example\Desktop\stream\edited"
$DestDir = "Z:\External Storage\Seagate\content"
$EmailTo = "example@gmail.com"
$SmtpServer = "smtp.gmail.com"  # Replace with your SMTP server
$EmailFrom = "example-noreply@gmail.com" # Replace with your from email
$Credentials = New-Object System.Management.Automation.PSCredential("username", (ConvertTo-SecureString "password" -AsPlainText -Force))  # Replace with SMTP credentials if needed

# Check if the NAS volume is mounted (assuming mounted as Z:\)
if (-not (Test-Path "Z:\")) {
    $Subject = "Error: NAS Volume Not Mounted"
    $Body = "The NAS volume is not mounted."
    Send-MailMessage -To $EmailTo -From $EmailFrom -Subject $Subject -Body $Body -SmtpServer $SmtpServer -Credential $Credentials -UseSsl
    exit 1
}

# Loop through files in the source directory
Get-ChildItem -Path $SourceDir -File | ForEach-Object {
    $File = $_
    $Basename = $File.Name
    $DestFile = Join-Path $DestDir $Basename

    # Copy the file
    try {
        Copy-Item -Path $File.FullName -Destination $DestFile -ErrorAction Stop
    } catch {
        $Subject = "Error: File Copy Failed"
        $Body = "Failed to copy $($File.FullName) to $DestFile."
        Send-MailMessage -To $EmailTo -From $EmailFrom -Subject $Subject -Body $Body -SmtpServer $SmtpServer -Credential $Credentials -UseSsl
        continue
    }

    # Compute MD5 checksums
    $SrcHash = (Get-FileHash -Path $File.FullName -Algorithm MD5).Hash
    $DestHash = (Get-FileHash -Path $DestFile -Algorithm MD5).Hash

    # Verify checksums
    if ($SrcHash -eq $DestHash -and $SrcHash -ne $null) {
        # Delete original if verification succeeds
        try {
            Remove-Item -Path $File.FullName -ErrorAction Stop
        } catch {
            $Subject = "Error: File Deletion Failed"
            $Body = "Failed to delete $($File.FullName) after successful copy."
            Send-MailMessage -To $EmailTo -From $EmailFrom -Subject $Subject -Body $Body -SmtpServer $SmtpServer -Credential $Credentials -UseSsl
        }
    } else {
        $Subject = "Error: MD5 Checksum Mismatch"
        $Body = "MD5 checksum mismatch for $($File.FullName)."
        Send-MailMessage -To $EmailTo -From $EmailFrom -Subject $Subject -Body $Body -SmtpServer $SmtpServer -Credential $Credentials -UseSsl
    }
}