internal/Get-OfflineSqlFileStructure.ps1

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Function Get-OfflineSqlFileStructure
{
<#
.SYNOPSIS
Internal function. Returns dictionary object that contains file structures for SQL databases.
 
#>

    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true, Position = 0)]
        [ValidateNotNullOrEmpty()]
        [object]$SqlServer,
        [Parameter(Mandatory = $true, Position = 1)]
        [string]$dbname,
        [Parameter(Mandatory = $true, Position = 2)]
        [object]$filelist,
        [Parameter(Mandatory = $false, Position = 3)]
        [bool]$ReuseSourceFolderStructure,
        [System.Management.Automation.PSCredential]$SqlCredential
    )
    
    $server = Connect-SqlServer -SqlServer $SqlServer -SqlCredential $SqlCredential
    
    $destinationfiles = @{ };
    $logfiles = $filelist | Where-Object { $_.Type -eq "L" }
    $datafiles = $filelist | Where-Object { $_.Type -ne "L" }
    $filestream = $filelist | Where-Object { $_.Type -eq "S" }
    
    if ($filestream)
    {
        $sql = "select coalesce(SERVERPROPERTY('FilestreamConfiguredLevel'),0) as fs"
        $fscheck = $server.databases['master'].ExecuteWithResults($sql)
        if ($fscheck.tables.fs -eq 0) { return $false }
    }
    
    # Data Files
    foreach ($file in $datafiles)
    {
        # Destination File Structure
        $d = @{ }
        if ($ReuseSourceFolderStructure -eq $true)
        {
            $d.physical = $file.PhysicalName
        }
        else
        {
            $directory = Get-SqlDefaultPaths $server data
            $filename = Split-Path $($file.PhysicalName) -leaf
            $d.physical = "$directory\$filename"
        }
        
        $d.logical = $file.LogicalName
        $destinationfiles.add($file.LogicalName, $d)
    }
    
    # Log Files
    foreach ($file in $logfiles)
    {
        $d = @{ }
        if ($ReuseSourceFolderStructure)
        {
            $d.physical = $file.PhysicalName
        }
        else
        {
            $directory = Get-SqlDefaultPaths $server log
            $filename = Split-Path $($file.PhysicalName) -leaf
            $d.physical = "$directory\$filename"
        }
        
        $d.logical = $file.LogicalName
        $destinationfiles.add($file.LogicalName, $d)
    }
    
    return $destinationfiles
}