Public/Request-Embeddings.ps1
|
function Request-Embeddings { [CmdletBinding()] [OutputType([pscustomobject])] param ( <# In OpenAI's API, this corresponds to the "Input" parameter name. But avoid using the variable name $Input for variable name, because it is used as an automatic variable in PowerShell. #> [Parameter(Mandatory, Position = 0, ValueFromPipeline)] [ValidateNotNullOrEmpty()] [Alias('Input')] [string[]]$Text, [Parameter()] [Completions('text-embedding-ada-002', 'text-embedding-3-small', 'text-embedding-3-large')] [string][LowerCaseTransformation()]$Model = 'text-embedding-ada-002', [Parameter()] [Alias('encoding_format')] [ValidateSet('float', 'base64')] [string]$Format = 'float', [Parameter()] [ValidateRange(1, 2147483647)] [int]$Dimensions, [Parameter()] [string]$User, [Parameter()] [int]$TimeoutSec = 0, [Parameter()] [ValidateRange(0, 100)] [int]$MaxRetryCount = 0, [Parameter(DontShow)] [OpenAIApiType]$ApiType = [OpenAIApiType]::OpenAI, [Parameter()] [System.Uri]$ApiBase, [Parameter(DontShow)] [string]$ApiVersion, [Parameter(DontShow)] [string]$AuthType = 'openai', [Parameter()] [securestring][SecureStringTransformation()]$ApiKey, [Parameter()] [Alias('OrgId')] [string]$Organization, [Parameter()] [System.Collections.IDictionary]$AdditionalQuery, [Parameter()] [System.Collections.IDictionary]$AdditionalHeaders, [Parameter()] [object]$AdditionalBody ) begin { # Initialize API Key [securestring]$SecureToken = Initialize-APIKey -ApiKey $ApiKey # Initialize API Base $ApiBase = Initialize-APIBase -ApiBase $ApiBase -ApiType $ApiType # Initialize Organization ID $Organization = Initialize-OrganizationID -OrgId $Organization # Get API endpoint if ($ApiType -eq [OpenAIApiType]::Azure) { $OpenAIParameter = Get-AzureOpenAIAPIEndpoint -EndpointName 'Embeddings' -Engine $Model -ApiBase $ApiBase -ApiVersion $ApiVersion } else { $OpenAIParameter = Get-OpenAIAPIEndpoint -EndpointName 'Embeddings' -ApiBase $ApiBase } } process { # Text is required if ($null -eq $Text -or $Text.Count -eq 0) { Write-Error -Exception ([System.ArgumentException]::new('"Text" property is required.')) return } #region Construct parameters for API request $PostBody = [System.Collections.Specialized.OrderedDictionary]::new() if ($ApiType -eq [OpenAIApiType]::OpenAI) { $PostBody.model = $Model } if ($Text.Count -eq 1) { $PostBody.input = [string](@($Text)[0]) } else { $PostBody.input = $Text } if ($PSBoundParameters.ContainsKey('User')) { $PostBody.user = $User } if ($PSBoundParameters.ContainsKey('Format')) { $PostBody.encoding_format = $Format } if ($PSBoundParameters.ContainsKey('Dimensions')) { $PostBody.dimensions = $Dimensions } #endregion #region Send API Request $splat = @{ Method = $OpenAIParameter.Method Uri = $OpenAIParameter.Uri ContentType = $OpenAIParameter.ContentType TimeoutSec = $TimeoutSec MaxRetryCount = $MaxRetryCount ApiKey = $SecureToken AuthType = $AuthType Organization = $Organization Body = $PostBody AdditionalQuery = $AdditionalQuery AdditionalHeaders = $AdditionalHeaders AdditionalBody = $AdditionalBody } $Response = Invoke-OpenAIAPIRequest @splat # error check if ($null -eq $Response) { return } #endregion #region Parse response object try { $Response = $Response | ConvertFrom-Json -ErrorAction Stop } catch { Write-Error -Exception $_.Exception } #endregion #region Output if ($null -ne $Response) { for ($i = 0; $i -lt @($Response.data).Count; $i++) { if ($Format -eq 'float') { # Convert [Object[]] to [float[]] @($Response.data)[$i].embedding = [float[]]@($Response.data)[$i].embedding } # Add custom properties to output object. @($Response.data)[$i] | Add-Member -MemberType NoteProperty -Name 'Text' -Value @($Text)[$i] } Write-Output $Response } #endregion } end { } } |