(Lianja) VoiceBase -- Upload a Media File with a JSON Configuration

This example uploads a media file and also provides a configuration file.

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

// Insert your Bearer token here:
lcAccessToken = "VOICEBASE_TOKEN"

loHttp = createobject("CkHttp")

loReq = createobject("CkHttpRequest")
loReq.HttpVerb = "POST"
loReq.Path = "/v2-beta/media"
loReq.ContentType = "multipart/form-data"

// Add the access (bearer) token to the request, which is a header
// having the following format:
// Authorization: Bearer <userAccessToken>
loSbAuth = createobject("CkStringBuilder")
loSbAuth.Append("Bearer ")
loSbAuth.Append(lcAccessToken)
loReq.AddHeader("Authorization",loSbAuth.GetAsString())

llSuccess = loReq.AddFileForUpload2("media","qa_data/wav/msg_123_abc.wav","audio/x-wav")
if (llSuccess <> .T.) then
    ? loReq.LastErrorText
    release loHttp
    release loReq
    release loSbAuth
    return
endif

// This is the JSON of the configuration to be added as a parameter to the upload:
// (Obviously, if you want a callback, you would use a URL that goes to your own web server..)

// 	{ 
// 	   "configuration":{ 
// 	      "publish":{ 
// 	         "callbacks":[
// 	            { 
// 	               "url":"https://www.chilkatsoft.com/dss/update_vm_transcription.asp",
// 	               "method":"POST",
// 	               "include":[
// 	                  "transcripts",
// 	                  "keywords",
// 	                  "topics",
// 	                  "metadata"
// 	               ]
// 	            }
// 	         ]
// 	      },
// 	      "keywords":{ 
// 	         "groups":[]
// 	      }
// 	   }
// 	}

// This code produces the above JSON.
loJson = createobject("CkJsonObject")
loJson.UpdateString("configuration.publish.callbacks[0].url","https://www.chilkatsoft.com/dss/update_vm_transcription.asp")
loJson.UpdateString("configuration.publish.callbacks[0].method","POST")
loJson.UpdateString("configuration.publish.callbacks[0].include[0]","transcripts")
loJson.UpdateString("configuration.publish.callbacks[0].include[1]","keywords")
loJson.UpdateString("configuration.publish.callbacks[0].include[2]","topics")
loJson.UpdateString("configuration.publish.callbacks[0].include[3]","metadata")
loJConfig = loJson.ObjectOf("configuration")
loJKeywords = loJConfig.AppendObject("keywords")
loJGroups = loJKeywords.AppendArray("groups")
release loJGroups
release loJKeywords
release loJConfig

// Add the configuration JSON to the upload.
loReq.AddParam("configuration",loJson.Emit())

// Do the upload..
loResp = loHttp.SynchronousRequest("apis.voicebase.com",443,.T.,loReq)
if (loHttp.LastMethodSuccess <> .T.) then
    ? loHttp.LastErrorText
    release loHttp
    release loReq
    release loSbAuth
    release loJson
    return
endif

// Examine the response status code and body.
? "Response status code = " + str(loResp.StatusCode)

// The response should be JSON, even if an error.
loJson.Load(loResp.BodyStr)
loJson.EmitCompact = .F.

? loJson.Emit()

// A successful response will have a status code = 200
if (loResp.StatusCode <> 200) then
    ? "Failed."
else
    ? "mediaId: " + loJson.StringOf("mediaId")
    ? "href: " + loJson.StringOf("_links.self.href")
    ? "status: " + loJson.StringOf("status")
    ? "Success."
endif

release loResp

// Here is an example of a successful response:

// 	{ 
// 	  "_links": { 
// 	    "self": { 
// 	      "href": "/v2-beta/media/856a1e85-c847-4c3c-b7a4-6cf15cd51db4"
// 	    }
// 	  },
// 	  "mediaId": "856a1e85-c847-4c3c-b7a4-6cf15cd51db4",
// 	  "status": "accepted",
// 	  "metadata": {}
// 	


release loHttp
release loReq
release loSbAuth
release loJson