Unicode C++

Frame.io - Upload an Asset

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Upload an asset to Frame.io Unicode C++

#include <CkHttpW.h>
#include <CkFileAccessW.h>
#include <CkJsonObjectW.h>
#include <CkHttpResponseW.h>
#include <CkStringBuilderW.h>
#include <CkBinDataW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;

    // Implements the following CURL command:

    // curl --request POST \
    //   --url https://api.frame.io/v2/assets/<ASSET_ID>/children \
    //   --header 'authorization: Bearer <FRAME_IO_DEV_TOKEN>' \
    //   --header 'content-type: application/json' \
    //   --data '{"filesize":1570024 ,"filetype":"video/mp4","name":"rotating_earth","type":"file"}'

    // 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.

    // {
    //   "filesize": 1570024,
    //   "filetype": "video/mp4",
    //   "name": "rotating_earth",
    //   "type": "file"
    // }

    const wchar_t *localFilePath = L"qa_data/mp4/rotating_earth.mp4";
    CkFileAccessW fac;
    int fileSize = fac.FileSize(localFilePath);

    CkJsonObjectW json;
    json.UpdateInt(L"filesize",fileSize);
    json.UpdateString(L"filetype",L"video/mp4");
    json.UpdateString(L"name",L"rotating_earth7");
    json.UpdateString(L"type",L"file");

    http.SetRequestHeader(L"content-type",L"application/json");
    // Adds the "Authorization: Bearer <FRAME_IO_DEV_TOKEN>" header.
    http.put_AuthToken(L"<FRAME_IO_DEV_TOKEN>");

    // Uploading to asset ID: 039845e8-bffe-4d6b-88d3-c780bae06342
    CkHttpResponseW resp;
    success = http.HttpJson(L"POST",L"https://api.frame.io/v2/assets/039845e8-bffe-4d6b-88d3-c780bae06342/children",json,L"application/json",resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkStringBuilderW sbResponseBody;
    resp.GetBodySb(sbResponseBody);
    CkJsonObjectW jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",resp.header());
        wprintf(L"Failed.\n");
        return;
    }

    // Upload in chunks to the pre-signed S3 upload URLs.
    // There are ways to do this in parallel, but for simplicity we'll show how to upload
    // one chunk after another.
    int numChunks = jResp.SizeOfArray(L"upload_urls");
    int sizePerChunk = (fileSize + numChunks - 1) / numChunks;

    wprintf(L"numChunks = %d\n",numChunks);
    wprintf(L"sizePerChunk = %d\n",sizePerChunk);

    success = fac.OpenForRead(localFilePath);
    if (success == false) {
        wprintf(L"%s\n",fac.lastErrorText());
        return;
    }

    CkBinDataW bd;
    CkHttpW httpForUpload;

    httpForUpload.SetRequestHeader(L"x-amz-acl",L"private");

    int i = 0;
    while ((i < numChunks)) {
        bd.Clear();
        success = fac.ReadBlockBd(i,sizePerChunk,bd);

        jResp.put_I(i);
        const wchar_t *uploadUrl = jResp.stringOf(L"upload_urls[i]");

        // Send the chunk in a PUT:

        wprintf(L"PUT chunk %d\n",i + 1);
        wprintf(L"URL: %s\n",uploadUrl);

        // PUT https://frameio-uploads-production.s3/etc/etc
        // Content-Type: video/mp4
        // x-amz-acl: private
        success = httpForUpload.HttpBd(L"PUT",uploadUrl,bd,L"video/mp4",resp);
        if (success == false) {
            wprintf(L"%s\n",httpForUpload.lastErrorText());
            return;
        }

        wprintf(L"response status: %d\n",resp.get_StatusCode());

        i = i + 1;
    }

    fac.FileClose();

    wprintf(L"File uploaded.\n");
    }