(Visual FoxPro) OpenAI (ChatGTP) Upload JSON String

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Demonstrate how to upload a file (from a JSON string) to a OpenAI user's organization.

For more information, see https://platform.openai.com/docs/api-reference/files/upload

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL loHttp
LOCAL lnSuccess
LOCAL loReq
LOCAL loSbJsonData
LOCAL loResp
LOCAL loSbResponseBody
LOCAL loJResp
LOCAL lnRespStatusCode
LOCAL lcId
LOCAL lcV_object
LOCAL lnV_bytes
LOCAL lnCreated_at
LOCAL lcFilename
LOCAL lcPurpose

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

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Http')
loHttp = CreateObject('Chilkat.Http')

* Implements the following CURL command:

* curl https://api.openai.com/v1/files \
*   -H "Authorization: Bearer $OPENAI_API_KEY" \
*   -F purpose="fine-tune" \
*   -F file="@mydata.jsonl"

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

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.HttpRequest')
loReq = CreateObject('Chilkat.HttpRequest')
loReq.HttpVerb = "POST"
loReq.Path = "/v1/files"
loReq.ContentType = "multipart/form-data"
loReq.AddParam("purpose","fine-tune")

* { "prompt": "aa", "completion": "bb" }
* { "prompt": "cc", "completion": "dd" }
* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder')
loSbJsonData = CreateObject('Chilkat.StringBuilder')
loSbJsonData.AppendLine('{ "prompt": "aa", "completion": "bb" }',1)
loSbJsonData.AppendLine('{ "prompt": "cc", "completion": "dd" }',1)
lnSuccess = loReq.AddStringForUpload2("file","mydata2.jsonl",loSbJsonData.GetAsString(),"utf-8","application/octet-stream")

* This is NOT a real key.  Change the "sk-vi...." to your own key.
loReq.AddHeader("Authorization","Bearer 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")
loReq.AddHeader("Expect","100-continue")

loResp = loHttp.SynchronousRequest("api.openai.com",443,1,loReq)
IF (loHttp.LastMethodSuccess = 0) THEN
    ? loHttp.LastErrorText
    RELEASE loHttp
    RELEASE loReq
    RELEASE loSbJsonData
    CANCEL
ENDIF

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder')
loSbResponseBody = CreateObject('Chilkat.StringBuilder')
loResp.GetBodySb(loSbResponseBody)

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJResp = CreateObject('Chilkat.JsonObject')
loJResp.LoadSb(loSbResponseBody)
loJResp.EmitCompact = 0

? "Response Body:"
? loJResp.Emit()

lnRespStatusCode = loResp.StatusCode
? "Response Status Code = " + STR(lnRespStatusCode)
IF (lnRespStatusCode >= 400) THEN
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
    RELEASE loResp
    RELEASE loHttp
    RELEASE loReq
    RELEASE loSbJsonData
    RELEASE loSbResponseBody
    RELEASE loJResp
    CANCEL
ENDIF

RELEASE loResp

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

* {
*   "id": "file-XjGxS3KTG0uNmNOK362iJua3",
*   "object": "file",
*   "bytes": 140,
*   "created_at": 1613779121,
*   "filename": "mydata2.jsonl",
*   "purpose": "fine-tune"
* }

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

lcId = loJResp.StringOf("id")
lcV_object = loJResp.StringOf("object")
lnV_bytes = loJResp.IntOf("bytes")
lnCreated_at = loJResp.IntOf("created_at")
lcFilename = loJResp.StringOf("filename")
lcPurpose = loJResp.StringOf("purpose")

RELEASE loHttp
RELEASE loReq
RELEASE loSbJsonData
RELEASE loSbResponseBody
RELEASE loJResp