(VB.NET) 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 .NET Downloads Chilkat .NET Framework Chilkat for .NET Core

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

Dim http As New Chilkat.Http
Dim success As Boolean

' 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

Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = "/v1/files"
req.ContentType = "multipart/form-data"
req.AddParam("purpose","fine-tune")

' { "prompt": "aa", "completion": "bb" }
' { "prompt": "cc", "completion": "dd" }
Dim sbJsonData As New Chilkat.StringBuilder
sbJsonData.AppendLine("{ ""prompt"": ""aa"", ""completion"": ""bb"" }",True)
sbJsonData.AppendLine("{ ""prompt"": ""cc"", ""completion"": ""dd"" }",True)
success = req.AddStringForUpload2("file","mydata2.jsonl",sbJsonData.GetAsString(),"utf-8","application/octet-stream")

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

Dim resp As Chilkat.HttpResponse = http.SynchronousRequest("api.openai.com",443,True,req)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)

Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' 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


Dim id As String = jResp.StringOf("id")
Dim v_object As String = jResp.StringOf("object")
Dim v_bytes As Integer = jResp.IntOf("bytes")
Dim created_at As Integer = jResp.IntOf("created_at")
Dim filename As String = jResp.StringOf("filename")
Dim purpose As String = jResp.StringOf("purpose")