functions/SPClientListItemAttachment/New-SPClientListItemAttachment.ps1
#Requires -Version 3.0 # New-SPClientListItemAttachment.ps1 # # Copyright (c) 2017 karamem0 # # Permission is hereby granted, free of charge, to any person obtaining a copy # of this software and associated documentation files (the "Software"), to deal # in the Software without restriction, including without limitation the rights # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # copies of the Software, and to permit persons to whom the Software is # furnished to do so, subject to the following conditions: # # The above copyright notice and this permission notice shall be included in all # copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. function New-SPClientListItemAttachment { <# .SYNOPSIS Creates a new attachment. .PARAMETER ClientContext Indicates the client context. If not specified, uses default context. .PARAMETER ParentListItem Indicates the list item which a attachment to be created. .PARAMETER ContentPath Indicates the content file path. .PARAMETER ContentStream Indicates the content stream. .PARAMETER FileName Indicates the file name. .PARAMETER Retrievals Indicates the data retrieval expression. #> [CmdletBinding(DefaultParameterSetName = 'ContentStream')] param ( [Parameter(Mandatory = $false)] [Microsoft.SharePoint.Client.ClientContext] $ClientContext = $SPClient.ClientContext, [Parameter(Mandatory = $true, ValueFromPipeline = $true)] [Microsoft.SharePoint.Client.ListItem] $ParentListItem, [Parameter(Mandatory = $true, ParameterSetName = 'ContentStream')] [System.IO.Stream] $ContentStream, [Parameter(Mandatory = $true, ParameterSetName = 'ContentPath')] [string] $ContentPath, [Parameter(Mandatory = $true, ParameterSetName = 'ContentStream')] [Parameter(Mandatory = $false, ParameterSetName = 'ContentPath')] [string] $Name, [Parameter(Mandatory = $false)] [string] $Retrievals ) process { if ($ClientContext -eq $null) { throw "Cannot bind argument to parameter 'ClientContext' because it is null." } $Creation = New-Object Microsoft.SharePoint.Client.AttachmentCreationInformation if ($PSCmdlet.ParameterSetName -eq 'ContentStream') { $Creation.ContentStream = $ContentStream $Creation.FileName = $Name } if ($PSCmdlet.ParameterSetName -eq 'ContentPath') { if (-not (Test-Path -Path $ContentPath)) { throw "Cannot find file '$($ContentPath)'." } $Creation.ContentStream = [System.IO.File]::OpenRead($ContentPath) if ($MyInvocation.BoundParameters.ContainsKey('Name')) { $Creation.FileName = $Name } else { $Creation.FileName = [System.IO.Path]::GetFileName($ContentPath) } } $ClientObject = $ParentListItem.AttachmentFiles.Add($Creation) Invoke-SPClientLoadQuery ` -ClientContext $ClientContext ` -ClientObject $ClientObject ` -Retrievals $Retrievals Write-Output $ClientObject } } |