Public/Invoke-OAIChat.ps1
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<#
.SYNOPSIS Invokes an AI chat assistant to answer user questions. .DESCRIPTION The Invoke-OAIChat function is used to interact with an AI chat assistant. It takes user input as a parameter and returns the assistant's response. .PARAMETER UserInput Specifies the user input to be processed by the AI chat assistant. .PARAMETER Model Specifies the model to be used by the AI chat assistant. Valid values are 'gpt-4', 'gpt-3.5-turbo', 'gpt-3.5-turbo-16k', 'gpt-4-1106-preview', 'gpt-4-turbo-preview', and 'gpt-3.5-turbo-1106'. The default value is 'gpt-3.5-turbo'. .EXAMPLE Invoke-OAIChat -UserInput "What is the weather today?" Invokes the AI chat assistant with the specified user input and returns the assistant's response. .EXAMPLE 'show even numbers' | ai -Instructions 'use powershell, just code, no explanation' .EXAMPLE git status | ai 'write a detailed commit message' .INPUTS System.String .OUTPUTS System.String .NOTES This function requires the New-OAIAssistant, New-OAIThreadQuery, Wait-OAIOnRun, and Get-OAIMessage functions to be available in the current session. #> function Invoke-OAIChat { [CmdletBinding()] param( [Parameter(ValueFromPipeline)] $UserInput, $Instructions, $model = 'gpt-4o-mini' ) Begin { $assistantParams = @{} $ts = Get-Date -Format "yyyyMMddHHmmss" $assistantParams["name"] = "PSAI-$ts" if (!$Instructions) { $Instructions = 'You are a helpful assistant. Please answer questions concisely.' } $assistantParams["instructions"] = $Instructions $assistantParams["model"] = $model $assistant = New-OAIAssistant @assistantParams [System.Collections.ArrayList]$lines = @() } Process { $lines += $UserInput } End { $prompt = ($lines | Out-String).Trim() $queryResult = New-OAIThreadQuery -UserInput $prompt -Assistant $assistant $null = Wait-OAIOnRun -Run $queryResult.Run -Thread $queryResult.Thread $messages = Get-OAIMessage -ThreadId $queryResult.Thread.Id $messages.data[0].content.text.value $null = Remove-OAIAssistant -Id $assistant.Id } } |