Support document library owner to make change of the file version trim mode

CHANGELOG.md

@@ -58,6 +58,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Added `-Identity` option to `Get-PnPPowerPlatformEnvironment` which allows retrieval of one specific environment by its displayname or id. [#2794](https://github.com/pnp/powershell/pull/2794)
 - Added `Get-PnPPowerApp` which allows PowerApps to be retrieved [#2794](https://github.com/pnp/powershell/pull/2794)
 - Added `-DisableCommenting` to `Set-PnPList` which allows enabling or disabling commenting on a list. [#2939](https://github.com/pnp/powershell/pull/2939)
+- Added `-EnableAutoExpirationVersionTrim` and `-ExpireVersionsAfterDays` to `Set-PnPList` which allows enabling or disabling auto expiration of versions on a list or library based on the days passed. [#2869](https://github.com/pnp/powershell/pull/2869)
 
 ### Changed
 
@@ -108,6 +109,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Fixed `Add-PnPFieldFromXml` cmdlet. It will now return the correct typed field if the added field was of type `Taxonomy`. [#2926](https://github.com/pnp/powershell/pull/2926)
 
 ### Contributors
+
+- [msjennywu]
 - [enthusol]
 - Ganesh Sanap [ganesh-sanap]
 - Chris R. [ChrisRo89]

documentation/Set-PnPList.md

@@ -21,8 +21,9 @@ Set-PnPList -Identity <ListPipeBind> [-EnableContentTypes <Boolean>] [-BreakRole
  [-EnableAttachments <Boolean>] [-EnableFolderCreation <Boolean>] [-EnableVersioning <Boolean>]
  [-EnableMinorVersions <Boolean>] [-MajorVersions <UInt32>] [-MinorVersions <UInt32>]
  [-EnableModeration <Boolean>] [-DraftVersionVisibility <DraftVisibilityType>] [-ReadSecurity <ListReadSecurity>] [-WriteSecurity <ListWriteSecurity>]
- [-NoCrawl] [-ExemptFromBlockDownloadOfNonViewableFiles <Boolean>] [-DisableGridEditing <Boolean>] [-DisableCommenting <Boolean>] [-DefaultSensitivityLabelForLibrary <SensitivityLabelPipeBind>]
- [-Path <String>] [-OpenDocumentsMode <DocumentLibraryOpenDocumentsInMode>] [-Connection <PnPConnection>]
+ [-NoCrawl] [-ExemptFromBlockDownloadOfNonViewableFiles <Boolean>] [-DisableGridEditing <Boolean>] [-DisableCommenting <Boolean>] 
+ [-EnableAutoExpirationVersionTrim <Boolean>] [-ExpireVersionsAfterDays <UInt32>]
+ [-DefaultSensitivityLabelForLibrary <SensitivityLabelPipeBind>] [-Path <String>] [-OpenDocumentsMode <DocumentLibraryOpenDocumentsInMode>] [-Connection <PnPConnection>]
 ```
 
 ## DESCRIPTION
@@ -81,6 +82,27 @@ Rename a list, including its' URL.
 
 ### EXAMPLE 8
 ```powershell
+Set-PnPList -Identity "Demo List" -EnableAutoExpirationVersionTrim $true
+```
+
+Enable AutoExpiration file version trim mode on a doccument library.
+
+### EXAMPLE 9
+```powershell
+Set-PnPList -Identity "Demo List" -EnableAutoExpirationVersionTrim $false -ExpireVersionsAfterDays 30 -MajorVerions 500
+```
+
+Enable ExpireAfter file version trim mode on a doccument library. MinorVersions is also needed when minor version is enabled.
+
+### EXAMPLE 10
+```powershell
+Set-PnPList -Identity "Demo List" -EnableAutoExpirationVersionTrim $false -ExpireVersionsAfterDays 0 -MajorVerions 500
+```
+
+Enable NoExpiration file version trim mode on a doccument library. MinorVersions is also needed when minor version is enabled.
+
+### EXAMPLE 11
+```powershell
 Set-PnPList -Identity "Demo List" -DefaultSensitivityLabelForLibrary "Confidential"
 ```
 
@@ -496,6 +518,38 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -EnableAutoExpirationVersionTrim
+Enable or disable AutoExpiration version trim for the document library. Set to $true to enable, $false to disable.
+
+Parameter ExpireVersionsAfterDays is required when EnableAutoExpirationVersionTrim is false. Set ExpireVersionsAfterDays to 0 for NoExpiration, set it to greater or equal 30 for ExpireAfter.
+
+Parameter MajorVersions is required when EnableAutoExpirationVersionTrim is false.
+Parameter MinorVersions is required when EnableAutoExpirationVersionTrim is false and minor version is enabled.
+
+```yaml
+Type: Boolean
+Parameter Sets: (All)
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -ExpireVersionsAfterDays
+Work with parameter EnableAutoExpirationVersionTrim. Please see description in EnableAutoExpirationVersionTrim.
+
+```yaml
+Type: UInt32
+Parameter Sets: (All)
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
 ## RELATED LINKS
 
-[Microsoft 365 Patterns and Practices](https://aka.ms/m365pnp)
+[Microsoft 365 Patterns and Practices](https://aka.ms/m365pnp)

src/Commands/Lists/SetList.cs

@@ -90,7 +90,13 @@ public class SetList : PnPWebCmdlet
         public string Path;
 
         [Parameter(Mandatory = false)]
-        public SensitivityLabelPipeBind DefaultSensitivityLabelForLibrary;
+        public bool EnableAutoExpirationVersionTrim;
+
+        [Parameter(Mandatory = false)]
+        public int ExpireVersionsAfterDays;
+
+        [Parameter(Mandatory = false)]
+        public SensitivityLabelPipeBind DefaultSensitivityLabelForLibrary;        
 
         [Parameter(Mandatory = false)]
         public DocumentLibraryOpenDocumentsInMode OpenDocumentsMode;
@@ -255,14 +261,72 @@ protected override void ExecuteCmdlet()
                 // Is this for a list or a document library
                 if (list.BaseType == BaseType.DocumentLibrary)
                 {
+                    list.EnsureProperties(l => l.VersionPolicies);
+
+                    if (ParameterSpecified(nameof(EnableAutoExpirationVersionTrim)))
+                    {
+                        if (EnableAutoExpirationVersionTrim)
+                        {
+                            list.VersionPolicies.DefaultTrimMode = VersionPolicyTrimMode.AutoExpiration;
+                        }
+                        else
+                        {
+                            if (!ParameterSpecified(nameof(MajorVersions)) || !ParameterSpecified(nameof(ExpireVersionsAfterDays)))
+                            {
+                                throw new PSArgumentException($"You must specify a value for {nameof(ExpireVersionsAfterDays)} and {nameof(MajorVersions)}", nameof(ExpireVersionsAfterDays));
+                            }
+
+                            if (!ParameterSpecified(nameof(MinorVersions)) && list.EnableMinorVersions)
+                            {
+                                throw new PSArgumentException($"You must specify a value for {nameof(MinorVersions)} if it is enabled.", nameof(MinorVersions));
+                            }
+
+                            if (ExpireVersionsAfterDays == 0)
+                            {
+                                list.VersionPolicies.DefaultTrimMode = VersionPolicyTrimMode.NoExpiration;
+                            }
+                            else if (ExpireVersionsAfterDays >= 30)
+                            {
+                                list.VersionPolicies.DefaultTrimMode = VersionPolicyTrimMode.ExpireAfter;
+                            }
+                            else
+                            {
+                                throw new PSArgumentException($"You must specify {nameof(ExpireVersionsAfterDays)} to be 0 for NoExpiration or greater equal 30 for ExpireAfter.", nameof(ExpireVersionsAfterDays));
+                            }
+                        }
+
+                        updateRequired = true;
+                    }
+
+                    if (ParameterSpecified(nameof(ExpireVersionsAfterDays)) && (int)ExpireVersionsAfterDays >= 30)
+                    {
+                        if (list.VersionPolicies.DefaultTrimMode == VersionPolicyTrimMode.AutoExpiration)
+                        {
+                            throw new PSArgumentException($"The parameter {nameof(ExpireVersionsAfterDays)} can't be set when AutoExpiration is enabled");
+                        }
+
+                        list.VersionPolicies.DefaultExpireAfterDays = (int)ExpireVersionsAfterDays;
+                        updateRequired = true;
+                    }
+
                     if (ParameterSpecified(nameof(MajorVersions)))
                     {
+                        if (list.VersionPolicies.DefaultTrimMode == VersionPolicyTrimMode.AutoExpiration)
+                        {
+                            throw new PSArgumentException($"The parameter {nameof(MajorVersions)} can't be set when AutoExpiration is enabled", nameof(MajorVersions));
+                        }
+
                         list.MajorVersionLimit = (int)MajorVersions;
                         updateRequired = true;
                     }
 
                     if (ParameterSpecified(nameof(MinorVersions)) && list.EnableMinorVersions)
                     {
+                        if (list.VersionPolicies.DefaultTrimMode == VersionPolicyTrimMode.AutoExpiration)
+                        {
+                            throw new PSArgumentException($"The parameter {nameof(MinorVersions)} can't be set when AutoExpiration is enabled", nameof(MinorVersions));
+                        }
+
                         list.MajorWithMinorVersionsLimit = (int)MinorVersions;
                         updateRequired = true;
                     }