AD Group assigner

AssignGroups.ps1

$Users = Get-ADUser

$GroupData = Import-Clixml -Path ".\Groups.clixml"
$GroupsToAdd = $Users | ForEach-Object {
    $User = $_
    $Company = $GroupData.Companies | Where-Object {$_.Name -eq $User.Company}
    $Departments = $Company.Departments | Where-Object {$_.Name -eq $User.Department}
    $Departments.Groups
}

Example.ps1

# How it would be ran
. .\SaveGroupData.ps1
. .\AssignGroups.ps1
$GroupsToAdd

# Example with out the other scripts to show proof of concept
$GroupData = @{
    Companies = @(
        [PSCustomObject]@{
            Name        = "CompanyA"
            Departments = @(
                [PSCustomObject]@{
                    Name   = "DepartmentA"
                    Groups = @("Group1", "Group2")
                }, [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = @("Group3", "Group4")
                }
                , [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = @("Group1", "Group3")
                }
            )
        },
        [PSCustomObject]@{
            Name        = "CompanyB"
            Departments = @(
                [PSCustomObject]@{
                    Name   = "DepartmentA"
                    Groups = @("Group4", "Group8")
                }, [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = @("Group5", "Group9")
                }
                , [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = @("Group1", "Group7")
                }
            )
        }
    )
}

$Users = [PSCustomObject]@{
    Name = "Spyingwind"
    Department = "DepartmentA"
    Company = "CompanyB"
}

$GroupsToAdd = $Users | ForEach-Object {
    $User = $_
    $Company = $GroupData.Companies | Where-Object {$_.Name -eq $User.Company}
    $Departments = $Company.Departments | Where-Object {$_.Name -eq $User.Department}
    $Departments.Groups
}

GetMyGroups.ps1

$Groups = Get-ADGroup
$GroupData = @{
    Companies = @(
        [PSCustomObject]@{
            Name        = "CompanyA"
            Departments = @(
                [PSCustomObject]@{
                    Name   = "DepartmentA"
                    Groups = $Groups | Where-Object {$_.Name -in @("Group1", "Group2")}
                }, [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = $Groups | Where-Object {$_.Name -in @("Group3", "Group4")}
                }
                , [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = $Groups | Where-Object {$_.Name -in @("Group1", "Group3")}
                }
            )
        },
        [PSCustomObject]@{
            Name        = "CompanyB"
            Departments = @(
                [PSCustomObject]@{
                    Name   = "DepartmentA"
                    Groups = $Groups | Where-Object {$_.Name -in @("Group4", "Group8")}
                }, [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = $Groups | Where-Object {$_.Name -in @("Group5", "Group9")}
                }
                , [PSCustomObject]@{
                    Name   = "DepartmentB"
                    Groups = $Groups | Where-Object {$_.Name -in @("Group1", "Group7")}
                }
            )
        }
    )
}

SaveGroupData.ps1

$Data = . .\GetMyGroups.ps1
$Data | Export-Clixml -Path ".\Groups.clixml" -Force