Feature: Set-PnPImageListItemColumn to update image list item

CHANGELOG.md

@@ -39,6 +39,7 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/).
 - Added `Get-PnPAzureADActivityReportSignIn` cmdlet to enable retrieving of Azure AD sign ins. [#2436](https://github.com/pnp/powershell/pull/2436)
 - Added support to remove the site collection app catalog by using Id of the site collection in `Remove-PnPSiteCollectionAppCatalog` cmdlet. [#2452](https://github.com/pnp/powershell/pull/2452)
 - Added support for `RestrictedAccessControl` parameter to `Set-PnPTenant` and `Set-PnPSite` cmdlets to restrict site access to members of a Microsoft 365 group. [#2462](https://github.com/pnp/powershell/pull/2462)
+- Added `Set-PnPImageListItemColumn` cmdlet to support setting of the new image/thumbnail value for a SharePoint list item.
 
 ### Changed
 

documentation/Set-PnPImageListItemColumn.md

@@ -0,0 +1,135 @@
+---
+Module Name: PnP.PowerShell
+title: Set-PnPImageListItemColumn
+schema: 2.0.0
+applicable: SharePoint Online
+external help file: PnP.PowerShell.dll-Help.xml
+online version: https://pnp.github.io/powershell/cmdlets/Set-Set-PnPImageListItemColumn.html
+---
+
+# Set-PnPImageListItemColumn
+
+## SYNOPSIS
+
+Updates the image column value of a list item
+
+## SYNTAX
+
+```powershell
+Set-PnPImageListItemColumn [-List <ListPipeBind>] -Identity <ListItemPipeBind> [-Field <FieldPipeBind>]
+ [-Path <string>] [-UpdateType <UpdateType>] [-Connection <PnPConnection>] 
+```
+
+## DESCRIPTION
+
+Allows setting the Image/Thumbnail column value of a list item.
+
+## EXAMPLES
+
+### EXAMPLE 1
+
+```powershell
+Set-PnPImageListItemColumn -List "Demo List" -Identity 1 -Field "Thumbnail" -Path "/sites/contoso/SiteAssets/test.png"
+```
+
+Sets the image/thumbnail field value in the list item with ID 1 in the "Demo List". Notice, use the internal names of fields.
+
+## PARAMETERS
+
+### -Connection
+
+Optional connection to be used by the cmdlet. Retrieve the value for this parameter by either specifying -ReturnConnection on Connect-PnPOnline or by executing Get-PnPConnection.
+
+```yaml
+Type: PnPConnection
+Parameter Sets: (All)
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -Identity
+
+The ID of the listitem, or actual ListItem object
+
+```yaml
+Type: ListItemPipeBind
+Parameter Sets: (All)
+
+Required: True
+Position: Named
+Default value: None
+Accept pipeline input: True (ByValue)
+Accept wildcard characters: False
+```
+
+### -List
+
+The ID, Title or Url of the list.
+
+```yaml
+Type: ListPipeBind
+Parameter Sets: (All)
+
+Required: True
+Position: 0
+Default value: None
+Accept pipeline input: True (ByValue)
+Accept wildcard characters: False
+```
+
+### -Field
+
+The ID, Title or Internal name of the field.
+
+```yaml
+Type: FieldPipeBind
+Parameter Sets: (All)
+
+Required: True
+Position: 0
+Default value: None
+Accept pipeline input: True (ByValue)
+Accept wildcard characters: False
+```
+
+### -Path
+
+Use the server relative path of an existing image in your SharePoint document library.
+
+```yaml
+Type: String
+Parameter Sets: (All)
+
+Required: True
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
+### -UpdateType
+
+Specifies the update type to use when updating the listitem. Possible values are "Update", "SystemUpdate", "UpdateOverwriteVersion".
+
+* Update: Sets field values and creates a new version if versioning is enabled for the list
+* SystemUpdate: Sets field values and does not create a new version. Any events on the list will trigger.
+* UpdateOverwriteVersion: Sets field values and does not create a new version. No events on the list will trigger.
+
+```yaml
+Type: SwitchParameter
+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)

src/Commands/Lists/SetImageListItem.cs

@@ -0,0 +1,102 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Management.Automation;
+using System.Text.Json;
+using Microsoft.SharePoint.Client;
+using PnP.PowerShell.Commands.Base.PipeBinds;
+using PnP.PowerShell.Commands.Enums;
+using PnP.PowerShell.Commands.Utilities;
+
+namespace PnP.PowerShell.Commands.Lists
+{
+    [Cmdlet(VerbsCommon.Set, "PnPImageListItemColumn")]
+    [OutputType(typeof(ListItem))]
+    public class ImageListItemColumn : PnPWebCmdlet
+    {
+        [Parameter(Mandatory = true, ValueFromPipeline = true, Position = 0)]
+        public ListPipeBind List;
+
+        [Parameter(Mandatory = true, ValueFromPipeline = true)]
+        public ListItemPipeBind Identity;
+
+        [Parameter(Mandatory = true, ValueFromPipeline = true)]
+        public FieldPipeBind Field = new FieldPipeBind();
+
+        [Parameter(Mandatory = true)]
+        public string Path;
+
+        [Parameter(Mandatory = false)]
+        public ListItemUpdateType UpdateType;
+
+        protected override void ExecuteCmdlet()
+        {
+            if (Identity == null || (Identity.Item == null && Identity.Id == 0))
+            {
+                throw new PSArgumentException($"No -Identity has been provided specifying the item to update", nameof(Identity));
+            }
+
+            List list;
+            if (List != null)
+            {
+                list = List.GetList(CurrentWeb);
+            }
+            else
+            {
+                if (Identity.Item == null)
+                {
+                    throw new PSArgumentException($"No -List has been provided specifying the list to update the item in", nameof(Identity));
+                }
+
+                list = Identity.Item.ParentList;
+            }
+
+            var item = Identity.GetListItem(list)
+                ?? throw new PSArgumentException($"Provided -Identity is not valid.", nameof(Identity));
+
+            var f = Field.Field;
+
+            if (f == null)
+            {
+                if (Field.Id != Guid.Empty)
+                {
+                    f = list.Fields.GetById(Field.Id);
+                }
+                else if (!string.IsNullOrEmpty(Field.Name))
+                {
+                    f = list.Fields.GetByInternalNameOrTitle(Field.Name);
+                }
+            }
+            ClientContext.Load(f);
+            ClientContext.ExecuteQueryRetry();
+
+            if (f.FieldTypeKind != FieldType.Thumbnail)
+            {
+                throw new PSInvalidOperationException("Field Type is not Image, please use a valid field");
+            }
+
+            var tenantUri = new Uri(Connection.Url);
+
+            var payload = new
+            {
+                type = "thumbnail",
+                fileName = System.IO.Path.GetFileName(Path),
+                nativeFile = new { },
+                fieldName = f.InternalName,
+                serverUrl = "https://" + tenantUri.Host,
+                fieldId = f.Id,
+                serverRelativeUrl = Path,
+                id = Guid.NewGuid().ToString()
+            };
+
+            item[f.InternalName] = JsonSerializer.Serialize(payload);
+
+            ListItemHelper.UpdateListItem(item, UpdateType);
+
+            ClientContext.ExecuteQueryRetry();
+            ClientContext.Load(item);
+            WriteObject(item);
+        }
+    }
+}