Swift

Frame.io - Upload an Asset

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Upload an asset to Frame.io Swift

func chilkatTest() {
    var success: Bool = false

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

    let http = CkoHttp()!

    // 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"
    // }

    var localFilePath: String? = "qa_data/mp4/rotating_earth.mp4"
    let fac = CkoFileAccess()!
    var fileSize: Int = fac.fileSize(path: localFilePath).intValue

    let json = CkoJsonObject()!
    json.updateInt(jsonPath: "filesize", value: fileSize)
    json.updateString(jsonPath: "filetype", value: "video/mp4")
    json.updateString(jsonPath: "name", value: "rotating_earth7")
    json.updateString(jsonPath: "type", value: "file")

    http.setRequestHeader(name: "content-type", value: "application/json")
    // Adds the "Authorization: Bearer <FRAME_IO_DEV_TOKEN>" header.
    http.authToken = "<FRAME_IO_DEV_TOKEN>"

    // Uploading to asset ID: 039845e8-bffe-4d6b-88d3-c780bae06342
    let resp = CkoHttpResponse()!
    success = http.httpJson(verb: "POST", url: "https://api.frame.io/v2/assets/039845e8-bffe-4d6b-88d3-c780bae06342/children", json: json, contentType: "application/json", response: resp)
    if success == false {
        print("\(http.lastErrorText!)")
        return
    }

    let sbResponseBody = CkoStringBuilder()!
    resp.getBodySb(sb: sbResponseBody)
    let jResp = CkoJsonObject()!
    jResp.loadSb(sb: 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.")
        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.
    var numChunks: Int = jResp.size(ofArray: "upload_urls").intValue
    var sizePerChunk: Int = (fileSize + numChunks - 1) / numChunks

    print("numChunks = \(numChunks)")
    print("sizePerChunk = \(sizePerChunk)")

    success = fac.open(forRead: localFilePath)
    if success == false {
        print("\(fac.lastErrorText!)")
        return
    }

    let bd = CkoBinData()!
    let httpForUpload = CkoHttp()!

    httpForUpload.setRequestHeader(name: "x-amz-acl", value: "private")

    var i: Int = 0
    while (i < numChunks) {
        bd.clear()
        success = fac.readBlockBd(blockIndex: i, blockSize: sizePerChunk, bd: bd)

        jResp.i = i
        var uploadUrl: String? = jResp.string(of: "upload_urls[i]")

        // Send the chunk in a PUT:

        print("PUT chunk \(i + 1)")
        print("URL: \(uploadUrl!)")

        // PUT https://frameio-uploads-production.s3/etc/etc
        // Content-Type: video/mp4
        // x-amz-acl: private
        success = httpForUpload.httpBd(verb: "PUT", url: uploadUrl, bd: bd, contentType: "video/mp4", response: resp)
        if success == false {
            print("\(httpForUpload.lastErrorText!)")
            return
        }

        print("response status: \(resp.statusCode.intValue)")

        i = i + 1
    }

    fac.fileClose()

    print("File uploaded.")

}