(Swift 3,4,5...) 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 Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let http = CkoHttp()!
    var success: Bool

    // 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

    let req = CkoHttpRequest()!
    req.httpVerb = "POST"
    req.path = "/v1/files"
    req.contentType = "multipart/form-data"
    req.addParam("purpose", value: "fine-tune")

    // { "prompt": "aa", "completion": "bb" }
    // { "prompt": "cc", "completion": "dd" }
    let sbJsonData = CkoStringBuilder()!
    sbJsonData.appendLine("{ \"prompt\": \"aa\", \"completion\": \"bb\" }", crlf: true)
    sbJsonData.appendLine("{ \"prompt\": \"cc\", \"completion\": \"dd\" }", crlf: true)
    success = req.addString(forUpload2: "file", filename: "mydata2.jsonl", strData: sbJsonData.getAsString(), charset: "utf-8", contentType: "application/octet-stream")

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

    var resp: CkoHttpResponse? = http.synchronousRequest("api.openai.com", port: 443, ssl: true, req: req)
    if http.lastMethodSuccess == false {
        print("\(http.lastErrorText!)")
        return
    }

    let sbResponseBody = CkoStringBuilder()!
    resp!.getBodySb(sbResponseBody)

    let jResp = CkoJsonObject()!
    jResp.loadSb(sbResponseBody)
    jResp.emitCompact = false

    print("Response Body:")
    print("\(jResp.emit()!)")

    var respStatusCode: Int = resp!.statusCode.intValue
    print("Response Status Code = \(respStatusCode)")
    if respStatusCode >= 400 {
        print("Response Header:")
        print("\(resp!.header!)")
        print("Failed.")
        resp = nil
        return
    }

    resp = nil

    // 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

    var id: String? = jResp.string(of: "id")
    var v_object: String? = jResp.string(of: "object")
    var v_bytes: Int = jResp.int(of: "bytes").intValue
    var created_at: Int = jResp.int(of: "created_at").intValue
    var filename: String? = jResp.string(of: "filename")
    var purpose: String? = jResp.string(of: "purpose")

}