update null saftey so it does not generate error when loading data

Author: KelvinTegelaar

Modules/CIPPCore/Public/Set-CIPPDBCacheApps.ps1

@@ -16,6 +16,7 @@ function Set-CIPPDBCacheApps {
         Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter -message 'Caching applications' -sev Debug
 
         $Apps = New-GraphGetRequest -uri 'https://graph.microsoft.com/beta/applications?$top=999&expand=owners' -tenantid $TenantFilter
+        if (!$Apps) { $Apps = @() }
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Apps' -Data $Apps
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Apps' -Data $Apps -Count
         $Apps = $null

Modules/CIPPCore/Public/Set-CIPPDBCacheDevices.ps1

@@ -16,6 +16,7 @@ function Set-CIPPDBCacheDevices {
         Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter -message 'Caching Azure AD devices' -sev Debug
 
         $Devices = New-GraphGetRequest -uri 'https://graph.microsoft.com/beta/devices?$top=999&$select=id,displayName,operatingSystem,operatingSystemVersion,trustType,accountEnabled,approximateLastSignInDateTime' -tenantid $TenantFilter
+        if (!$Devices) { $Devices = @() }
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Devices' -Data $Devices
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Devices' -Data $Devices -Count
         $Devices = $null

Modules/CIPPCore/Public/Set-CIPPDBCacheGuests.ps1

@@ -16,6 +16,7 @@ function Set-CIPPDBCacheGuests {
         Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter -message 'Caching guest users' -sev Debug
 
         $Guests = New-GraphGetRequest -uri "https://graph.microsoft.com/beta/users?`$filter=userType eq 'Guest'&`$expand=sponsors&`$top=999" -tenantid $TenantFilter
+        if (!$Guests) { $Guests = @() }
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Guests' -Data $Guests
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Guests' -Data $Guests -Count
         $Guests = $null

Modules/CIPPCore/Public/Set-CIPPDBCacheSettings.ps1

@@ -16,12 +16,12 @@ function Set-CIPPDBCacheSettings {
         Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter -message 'Caching directory settings' -sev Debug
 
         $Settings = New-GraphGetRequest -uri 'https://graph.microsoft.com/beta/settings?$top=999' -tenantid $TenantFilter
+        if(!$Settings){ $Settings = @()}
         Add-CIPPDbItem -TenantFilter $TenantFilter -Type 'Settings' -Data $Settings
         $Settings = $null
         Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter -message 'Cached directory settings successfully' -sev Debug
 
     } catch {
-        Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter `
-            -message "Failed to cache directory settings: $($_.Exception.Message)" -sev Error
+        Write-LogMessage -API 'CIPPDBCache' -tenant $TenantFilter -message "Failed to cache directory settings: $($_.Exception.Message)" -sev Error
     }
 }