#-----------------------------------------------------------------------------------------------------------------------
# Name : ConvertSubSiteToSiteCollection.ps1
#
# Purpose : 
# This script will take a SharePoint sub-site and move it into a site collection.
# Used for SharePoint 2010 & SharePoint 2013.  
#
# Prerequisite
# The managed path that is to be used should already be created on the SharePoint farm. 
#
# Author : Ian Ballard
#
# Version number : 1.00
#
# Version date : 22 October 2014
# 
# History
# Version number | Data            | Comment 
# 1.00           | 22 October 2014 | Initial script. 
#-----------------------------------------------------------------------------------------------------------------------

#
#Script Options
#
$debug = $true #Write the commands out to the screen, , handy if you want to create a script to run later.
#$debug = $false #Do not write the commands out to the screen.

#$execute = $true #Run the commands
$execute = $false #Do not run the commands, handy if you want to create a script to run later. 

$MessageTextColour = "red"
$MessageCommandColour = "green"

#
#Sub site information. 
#
$SubWeb = "http://<SiteCollection>/<SubSite>"


#
#Backup location formation.
#
$BackUpLocation = "\\<server>\Backup"


#
#New site collection information
#
$WebApplication = "http://<NewSiteCollection>"
$SiteCollectionURL = "http://<NewSiteCollection>/<ManagedPath>/<SiteCollection>"

$SiteCollectionName = "<Name>"

$ContentDatabasePrefix = "<NewContentDatabase>"

$SiteCollectionOwner = "domain\user"

#
#
#
#-----------------------------------------------------------------------------------------------------------------------
#Do not edit below this line. 
#-----------------------------------------------------------------------------------------------------------------------
#
#
#
if ( $execute -eq $true )
{
	$startTime = Get-Date
	Write-Host "Start time : $startTime"  -ForegroundColor $MessageTextColour
}

#-----------------------------------------------------------------------------------------------------------------------
#Include the SharePoint PowerShell snap-in.
#-----------------------------------------------------------------------------------------------------------------------
if ( $debug -eq $true )
{
    Write-Host "Adding the SharePoint PowerShell snap-in" -ForegroundColor $MessageTextColour
    write-host "Add-PsSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue" -ForegroundColor $MessageCommandColour
}
if ( $execute -eq $true )
{
    Add-PsSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
}

#-----------------------------------------------------------------------------------------------------------------------
#Go and get the site template form the $SubWeb
#-----------------------------------------------------------------------------------------------------------------------
$web = Get-SPWeb -Identity $SubWeb
$Template = $web.WebTemplate
$Template = $Template + "#"
$SiteTemplate = $Template + $web.WebTemplateID

$SubWebCompatibilityLevel = 15 #Default is 15. 
switch( $web.UIVersion ) 
{
    4 
    {
        #SharePoint 2010 or 2013 running in 14 mode
        $SubWebCompatibilityLevel = 14
    }
    15 
    {
        #SharePoint 2013
        $SubWebCompatibilityLevel = 15
    }
    default
    {
        throw "This script is only designed to support UIVersion 14 (SharePoint 2010) and 15 (SharePoint 2013), sorry, feel free to amend the script to include other versions but I can not guarantee it will work."
    }
}


#-----------------------------------------------------------------------------------------------------------------------
#Export the sub web. 
#-----------------------------------------------------------------------------------------------------------------------
$ExportLocation = $BackUpLocation + "\" + $SiteCollectionName + ".cmp"
if ( $debug -eq $true )
{
    Write-Host "#Exporting the site with the following command." -ForegroundColor $MessageTextColour
    write-host "Export-SPWeb -Identity $SubWeb -Path $ExportLocation -IncludeUserSecurity -IncludeVersions all" -ForegroundColor $MessageCommandColour
}
if ( $execute -eq $true )
{
    Export-SPWeb -Identity $SubWeb -Path $ExportLocation -IncludeUserSecurity -IncludeVersions all
}

#-----------------------------------------------------------------------------------------------------------------------
#Create the new content database. 
#-----------------------------------------------------------------------------------------------------------------------
$ContentDatabaseFullName = $ContentDatabasePrefix + "_" + $SiteCollectionName
if ( $debug -eq $true )
{
    Write-Host "#Creating the content database ($ContentDatabaseFullName) within the web application ($WebApplication)." -ForegroundColor $MessageTextColour
    write-host "New-SPContentDatabase -Name $ContentDatabaseFullName -WebApplication $WebApplication" -ForegroundColor $MessageCommandColour
}
if ( $execute -eq $true )
{
    New-SPContentDatabase -Name $ContentDatabaseFullName -WebApplication $WebApplication
}

#-----------------------------------------------------------------------------------------------------------------------
#Create the new site collection in the new content database. 
#-----------------------------------------------------------------------------------------------------------------------
if ( $debug -eq $true )
{
    Write-Host "#Create the new site collection in the new content database." -ForegroundColor $MessageTextColour
    write-host "New-SPSite -Url $SiteCollectionURL -OwnerAlias $SiteCollectionOwner -Template $SiteTemplate -ContentDatabase $ContentDatabaseFullName -Name $SiteCollectionName -CompatibilityLevel $SubWebCompatibilityLevel" -ForegroundColor $MessageCommandColour
}
if ( $execute -eq $true )
{
    New-SPSite -Url $SiteCollectionURL -OwnerAlias "$SiteCollectionOwner" -Template "$SiteTemplate" -ContentDatabase "$ContentDatabaseFullName" -Name "$SiteCollectionName" -CompatibilityLevel $SubWebCompatibilityLevel
}


#-----------------------------------------------------------------------------------------------------------------------
#Import the backup.
#-----------------------------------------------------------------------------------------------------------------------
if ( $debug -eq $true )
{
    Write-Host "#Importing the site with the following command." -ForegroundColor $MessageTextColour
    write-host "Import-SPWeb $SiteCollectionURL -Path $ExportLocation" -ForegroundColor $MessageCommandColour
}
if ( $execute -eq $true )
{
    Import-SPWeb $SiteCollectionURL -Path $ExportLocation
}

#-----------------------------------------------------------------------------------------------------------------------
#Lock down the content database so no other site collections are created in it. 
#-----------------------------------------------------------------------------------------------------------------------
if ( $debug -eq $true )
{
    Write-Host "#Locking the content database ($ContentDatabaseFullName) down so no other site collections are created in it." -ForegroundColor $MessageTextColour
    write-host "Get-SPContentDatabase -Identity $ContentDatabaseFullName | Set-SPContnetDatabase -MaxSiteCount 1 -WarningSiteCount 0 " -ForegroundColor $MessageCommandColour
}
if ( $execute -eq $true )
{
    Get-SPContentDatabase -Identity $ContentDatabaseFullName | Set-SPContentDatabase -MaxSiteCount 1 -WarningSiteCount 0
}
#-----------------------------------------------------------------------------------------------------------------------
# Write out the script run time. 
#-----------------------------------------------------------------------------------------------------------------------
if ( $execute -eq $true )
{
	$endTime = Get-Date
	Write-Host "Script execution time : $( New-TimeSpan $startTime $endTime)." -ForegroundColor $MessageTextColour
	Write-Host "End time : $endTime"  -ForegroundColor $MessageTextColour
}