setup-site.ps1

$ErrorActionPreference = "Stop"

function List($listName) {
  $repoList = Get-PnPList -Identity $listName -ErrorAction SilentlyContinue
  write-host "Checking list $listName" -ForegroundColor Green
  if ($null -eq $repoList) {
    write-host "Creating list $listName" -ForegroundColor Yellow
    $repoList = New-PnPList -Title "$listName" -Template GenericList -OnQuickLaunch
  }
  
}

function TextField($listName, $fieldName, $displayName, $required) {
  $field = Get-PnPField -List $listName -Identity $fieldName -ErrorAction SilentlyContinue
  if ($null -eq $field) {
    write-host "Creating field $fieldName" -ForegroundColor Yellow
    $field = Add-PnPField -List $listName -Type Text -InternalName $fieldName -DisplayName $displayName  -AddToDefaultView -Required:$required
  }
}

function ChoiceField($listName, $fieldName, $displayName, $choices) {
  $field = Get-PnPField -List $listName -Identity $fieldName -ErrorAction SilentlyContinue
  if ($null -eq $field) {
    write-host "Creating field $fieldName" -ForegroundColor Yellow
    $field = Add-PnPField -List $listName -Type Choice -InternalName $fieldName -DisplayName $displayName -Choices $choices -AddToDefaultView
  }
}

function CalculatedField($listName, $fieldName, $displayName, $formula) {
  $field = Get-PnPField -List $listName -Identity $fieldName -ErrorAction SilentlyContinue
  if ($null -eq $field) {
    write-host "Creating field $fieldName" -ForegroundColor Yellow
    $field = Add-PnPField -List $listName -Type Calculated -InternalName $fieldName -DisplayName $displayName -Formula $formula -AddToDefaultView
  }
  else {
    write-host "Updating field $fieldName" -ForegroundColor Yellow
    Set-PnPField -List $listName -Identity $fieldName -Values @{ Formula = $formula }
  }
}

List "Repositories"
TextField "Repositories" "RepositoryName" "Repository Name"  $true
TextField "Repositories" "OrganisationName" "Organisation Name"  $true
ChoiceField "Repositories" "RepositoryType" "Repository Type"  @("Public", "Private")
TextField "Repositories" "DocRepositoryName" "Documenation Repository Name"  $false
TextField "Repositories" "DocOrganisationName" "Documenation Organisation Name"  $false
ChoiceField "Repositories" "DocumentationType" "Documentation Type"  @("Main branch", "All branches", "None")
CalculatedField "Repositories" "GitHub" "GitHub"  @"
=CONCATENATE("https://github.com","/",[Organisation Name],"/",[Repository Name])
"@


$json = @'
{
  "$schema": "https://developer.microsoft.com/json-schemas/sp/column-formatting.schema.json",
  "elmType": "a",
  "attributes": {
    "href": "@currentField",
    "target": "_blank"
  },
  "txtContent": "@currentField",
  "style": {
    "color": "#0072C6",
    "text-decoration": "underline"
  }
}
'@

Set-PnPField -List "Repositories" -Identity "GitHub" -Values @{ CustomFormatter = $json }