DataFlex

OpenAI (ChatGPT) Create Chat Completion

See more OpenAI ChatGPT Examples

Shows how to create a model response for a given chat conversation. DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoHttp
    Variant vJson
    Handle hoJson
    Variant vResp
    Handle hoResp
    Variant vSbResponseBody
    Handle hoSbResponseBody
    Handle hoJResp
    Integer iRespStatusCode
    Integer iIndex
    String sRole
    String sContent
    String sFinish_reason
    String sId
    String sV_object
    Integer iCreated
    Integer iPrompt_tokens
    Integer iCompletion_tokens
    Integer iTotal_tokens
    Integer i
    Integer iCount_i
    String sTemp1

    Move False To iSuccess

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    Get Create (RefClass(cComChilkatHttp)) To hoHttp
    If (Not(IsComObjectCreated(hoHttp))) Begin
        Send CreateComObject of hoHttp
    End

    // Implements the following CURL command:

    // curl https://api.openai.com/v1/chat/completions \
    //   -H "Content-Type: application/json" \
    //   -H "Authorization: Bearer $OPENAI_API_KEY" \
    //   -d '{
    //     "model": "gpt-3.5-turbo",
    //     "messages": [{"role": "user", "content": "Hello!"}]
    //   }'

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Use this online tool to generate code from sample JSON:
    // Generate Code to Create JSON

    // The following JSON is sent in the request body.

    // {
    //   "model": "gpt-3.5-turbo",
    //   "messages": [
    //     {
    //       "role": "user",
    //       "content": "Hello!"
    //     }
    //   ]
    // }

    Get Create (RefClass(cComChilkatJsonObject)) To hoJson
    If (Not(IsComObjectCreated(hoJson))) Begin
        Send CreateComObject of hoJson
    End
    Get ComUpdateString Of hoJson "model" "gpt-3.5-turbo" To iSuccess
    Get ComUpdateString Of hoJson "messages[0].role" "user" To iSuccess
    Get ComUpdateString Of hoJson "messages[0].content" "Hello!" To iSuccess

    // Adds the "Authorization: Bearer $OPENAI_API_KEY" header.
    // This is NOT a real key.  Change the "sk-vi...." to your own key.
    Set ComAuthToken Of hoHttp To "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"
    Send ComSetRequestHeader To hoHttp "Content-Type" "application/json"

    Get Create (RefClass(cComChilkatHttpResponse)) To hoResp
    If (Not(IsComObjectCreated(hoResp))) Begin
        Send CreateComObject of hoResp
    End
    Get pvComObject of hoJson to vJson
    Get pvComObject of hoResp to vResp
    Get ComHttpJson Of hoHttp "POST" "https://api.openai.com/v1/chat/completions" vJson "application/json" vResp To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoHttp To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get Create (RefClass(cComChilkatStringBuilder)) To hoSbResponseBody
    If (Not(IsComObjectCreated(hoSbResponseBody))) Begin
        Send CreateComObject of hoSbResponseBody
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComGetBodySb Of hoResp vSbResponseBody To iSuccess

    Get Create (RefClass(cComChilkatJsonObject)) To hoJResp
    If (Not(IsComObjectCreated(hoJResp))) Begin
        Send CreateComObject of hoJResp
    End
    Get pvComObject of hoSbResponseBody to vSbResponseBody
    Get ComLoadSb Of hoJResp vSbResponseBody To iSuccess
    Set ComEmitCompact Of hoJResp To False

    Showln "Response Body:"
    Get ComEmit Of hoJResp To sTemp1
    Showln sTemp1

    Get ComStatusCode Of hoResp To iRespStatusCode
    Showln "Response Status Code = " iRespStatusCode
    If (iRespStatusCode >= 400) Begin
        Showln "Response Header:"
        Get ComHeader Of hoResp To sTemp1
        Showln sTemp1
        Showln "Failed."
        Procedure_Return
    End

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //   "id": "chatcmpl-123",
    //   "object": "chat.completion",
    //   "created": 1677652288,
    //   "choices": [
    //     {
    //       "index": 0,
    //       "message": {
    //         "role": "assistant",
    //         "content": "\n\nHello there, how may I assist you today?"
    //       },
    //       "finish_reason": "stop"
    //     }
    //   ],
    //   "usage": {
    //     "prompt_tokens": 9,
    //     "completion_tokens": 12,
    //     "total_tokens": 21
    //   }
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    Get ComStringOf Of hoJResp "id" To sId
    Get ComStringOf Of hoJResp "object" To sV_object
    Get ComIntOf Of hoJResp "created" To iCreated
    Get ComIntOf Of hoJResp "usage.prompt_tokens" To iPrompt_tokens
    Get ComIntOf Of hoJResp "usage.completion_tokens" To iCompletion_tokens
    Get ComIntOf Of hoJResp "usage.total_tokens" To iTotal_tokens
    Move 0 To i
    Get ComSizeOfArray Of hoJResp "choices" To iCount_i
    While (i < iCount_i)
        Set ComI Of hoJResp To i
        Get ComIntOf Of hoJResp "choices[i].index" To iIndex
        Get ComStringOf Of hoJResp "choices[i].message.role" To sRole
        Get ComStringOf Of hoJResp "choices[i].message.content" To sContent
        Get ComStringOf Of hoJResp "choices[i].finish_reason" To sFinish_reason
        Move (i + 1) To i
    Loop



End_Procedure