IntuneManagement 4.0.0-beta1

Public/Get-GraphPolicyFromFile.ps1

@@ -0,0 +1,57 @@
+function Get-GraphPolicyFromFile {
+    [CmdletBinding()]
+    param(
+        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
+        [Alias("FileInfo")]
+        [IO.FileInfo[]]
+        $InputObject, 
+        [IntunePolicyTypeBase[]]
+        $FromPolicyTypes,
+        [String]
+        $TenantId
+    )
+
+    Begin {
+        Write-LogDebug "Get Policies from file(s)"
+
+        $policyObjects = @()
+    }
+
+    Process {
+        foreach ($fi in $InputObject) {
+            if ($fi.Exists -eq $false) {
+                Write-Log "File $($fi.FullName) not found. Cannot load policy" 3
+                continue
+            }
+
+            try {
+                Write-LogDebug "Get policy from file $($fi.FullName)"
+                $jsonObj = ConvertFrom-Json ([IO.File]::ReadAllText($fi.FullName)) -ErrorAction Stop
+                $policyType = Get-PoliciesTypeFromObject $jsonObj $FromPolicyTypes
+                if ($policyType) {
+                    $policyObject = $policyType.GetObject($fi)
+                    if ($policyObject) {
+                        if ($TenantId) {
+                            $policyObject.TenantId = $TenantId
+                        }
+                        $policyObjects += $policyObject
+                    }
+                }
+                else {
+                    # Expected not to find some policies if policy types is passed in
+                    Write-LogDebug "Could not get policy type from file $($fi.FullName)" 3
+                }
+            }
+            catch {
+                Write-LogDebug "Could get policy from file $($fi.FullName)" $_.Exception
+            }
+        }
+    }
+    
+    End { 
+        Write-LogDebug "Get policy from file finished"
+        if ($policyObjects.Count -gt 0) {
+            return $policyObjects
+        }
+    }
+}