Public/Request-ImageVariation.ps1
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function Request-ImageVariation { [CmdletBinding(DefaultParameterSetName = 'Format')] param ( [Parameter(Mandatory, Position = 0, ValueFromPipeline)] [ValidateNotNullOrEmpty()] [Alias('File')] [string]$Image, [Parameter()] [ValidateRange(1, 10)] [Alias('n')] [uint16]$NumberOfImages = 1, [Parameter()] [ValidateSet('256', '512', '1024', '256x256', '512x512', '1024x1024')] [string]$Size = '1024x1024', [Parameter(ParameterSetName = 'Format')] [Alias('response_format')] [ValidateSet('url', 'base64', 'byte')] [string]$Format = 'url', [Parameter(ParameterSetName = 'OutFile', Mandatory)] [ValidateNotNullOrEmpty()] [string]$OutFile, [Parameter()] [string]$User, [Parameter()] [int]$TimeoutSec = 0, # [Parameter(DontShow)] # [OpenAIApiType]$ApiType = [OpenAIApiType]::OpenAI, [Parameter()] [System.Uri]$ApiBase, # [Parameter(DontShow)] # [string]$ApiVersion, # [Parameter(DontShow)] # [string]$AuthType = 'openai', [Parameter()] [ValidateRange(0, 100)] [int]$MaxRetryCount = 0, [Parameter()] [securestring][SecureStringTransformation()]$ApiKey, [Parameter()] [Alias('OrgId')] [string]$Organization, [Parameter()] [System.Collections.IDictionary]$AdditionalQuery, [Parameter()] [System.Collections.IDictionary]$AdditionalHeaders, [Parameter()] [object]$AdditionalBody ) begin { # Get API endpoint $OpenAIParameter = Get-OpenAIAPIParameter -EndpointName 'Image.Variation' -Parameters $PSBoundParameters -ErrorAction Stop } process { $FileInfo = Resolve-FileInfo $Image # (Only PS6+) # If the filename contains non-ASCII characters, # the OpenAI API cannot recognize the file format correctly and returns an error. # As a workaround, copy the file to a temporary file and send it. # We need to find a better way. $IsTempFileCreated = $false if ($PSVersionTable.PSVersion.Major -ge 6) { if ($FileInfo.Name -match '[^\u0000-\u007F]') { Write-Warning 'File name contains non-ASCII characters. It is strongly recommended that file name only contains ASCII characters.' $FileInfo = Copy-TempFile -SourceFile $FileInfo -ErrorAction Stop $IsTempFileCreated = $true } } if ($NumberOfImages -gt 1) { if ($PSCmdlet.ParameterSetName -eq 'OutFile') { $NumberOfImages = 1 } elseif ($Format -eq 'byte') { Write-Error -Message "When the format is specified as $Format, NumberOfImages should be 1." return } } # Parse Size property if ($PSBoundParameters.ContainsKey('Size') -and ($num = $Size -as [int])) { $Size = ('{0}x{0}' -f $num) } #region Construct parameters for API request $PostBody = [System.Collections.Specialized.OrderedDictionary]::new() $PostBody.image = $FileInfo if ($NumberOfImages -ge 1) { $PostBody.n = $NumberOfImages } if ($null -ne $Size) { $PostBody.size = $Size } switch ($Format) { { $PSCmdlet.ParameterSetName -eq 'OutFile' } { $PostBody.response_format = 'url' break } 'url' { $PostBody.response_format = 'url' break } 'base64' { $PostBody.response_format = 'b64_json' break } 'byte' { $PostBody.response_format = 'b64_json' break } } if ($PSBoundParameters.ContainsKey('User')) { $PostBody.user = $User } #endregion #region Send API Request try { $params = @{ Method = $OpenAIParameter.Method Uri = $OpenAIParameter.Uri ContentType = $OpenAIParameter.ContentType TimeoutSec = $OpenAIParameter.TimeoutSec MaxRetryCount = $OpenAIParameter.MaxRetryCount ApiKey = $OpenAIParameter.ApiKey Organization = $OpenAIParameter.Organization Body = $PostBody AdditionalQuery = $AdditionalQuery AdditionalHeaders = $AdditionalHeaders AdditionalBody = $AdditionalBody } $Response = Invoke-OpenAIAPIRequest @params } finally { if ($IsTempFileCreated -and (Test-Path $FileInfo -PathType Leaf)) { Remove-Item $FileInfo -Force -ErrorAction SilentlyContinue } } # error check if ($null -eq $Response) { return } #endregion #region Parse response object try { $Response = $Response | ConvertFrom-Json -ErrorAction Stop } catch { Write-Error -Exception $_.Exception } if ($null -ne $Response.data) { $ResponseContent = $Response.data } #endregion #region Output if ($PSCmdlet.ParameterSetName -eq 'OutFile') { # Convert to absolute path $AbsoluteOutFile = $PSCmdlet.GetUnresolvedProviderPathFromPSPath($OutFile) # create parent directory if it does not exist $ParentDirectory = Split-Path $AbsoluteOutFile -Parent if (-not $ParentDirectory) { $ParentDirectory = [string](Get-Location -PSProvider FileSystem).ProviderPath $AbsoluteOutFile = Join-Path $ParentDirectory $AbsoluteOutFile } if (-not (Test-Path -LiteralPath $ParentDirectory -PathType Container)) { $null = New-Item -Path $ParentDirectory -ItemType Directory -Force } # error check if (-not (Test-Path -LiteralPath $ParentDirectory -PathType Container)) { Write-Error -Message ('Destination folder "{0}" does not exist.' -f $ParentDirectory) return } # Download image $ResponseContent | Select-Object -ExpandProperty 'url' | Select-Object -First 1 | ForEach-Object { $splat = @{ Uri = $_ Method = 'Get' OutFile = $AbsoluteOutFile UseBasicParsing = $true } Microsoft.PowerShell.Utility\Invoke-WebRequest @splat } } elseif ($Format -eq 'url') { Write-Output ($ResponseContent | Select-Object -ExpandProperty 'url') } elseif ($Format -eq 'base64') { Write-Output ($ResponseContent | Select-Object -ExpandProperty 'b64_json') } elseif ($Format -eq 'byte') { [byte[]]$b = [Convert]::FromBase64String(($ResponseContent | Select-Object -ExpandProperty 'b64_json' | Select-Object -First 1)) Write-Output (, $b) } #endregion } end { } } |