Chilkat Online Tools

delphiDll / Salesforce Platform APIs / Predict

Back to Collection Items

var
http: HCkHttp;
success: Boolean;
json: HCkJsonObject;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
Id: PWideChar;
Total: PWideChar;
status: PWideChar;
j: Integer;
count_j: Integer;
predictionDefinition: PWideChar;
MaxMiddleValues: Integer;
MaxPrescriptions: Integer;
PrescriptionImpactPercentage: Integer;
i: Integer;
count_i: Integer;

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

http := CkHttp_Create();

// Use this online tool to generate code from sample JSON: Generate Code to Create JSON

// The following JSON is sent in the request body.

// {
//   "predictionDefinition": "<PREDICTION_DEFINITION_ID>",
//   "type": "RawData",
//   "columnNames": [
//     "Quantity",
//     "Category",
//     "Sub_Category",
//     "Sales",
//     "Profit_per_Order"
//   ],
//   "rows": [
//     [
//       "2",
//       "Furniture",
//       "Chairs",
//       "300",
//       "10"
//     ]
//   ]
// }

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'predictionDefinition','<PREDICTION_DEFINITION_ID>');
CkJsonObject_UpdateString(json,'type','RawData');
CkJsonObject_UpdateString(json,'columnNames[0]','Quantity');
CkJsonObject_UpdateString(json,'columnNames[1]','Category');
CkJsonObject_UpdateString(json,'columnNames[2]','Sub_Category');
CkJsonObject_UpdateString(json,'columnNames[3]','Sales');
CkJsonObject_UpdateString(json,'columnNames[4]','Profit_per_Order');
CkJsonObject_UpdateString(json,'rows[0][0]','2');
CkJsonObject_UpdateString(json,'rows[0][1]','Furniture');
CkJsonObject_UpdateString(json,'rows[0][2]','Chairs');
CkJsonObject_UpdateString(json,'rows[0][3]','300');
CkJsonObject_UpdateString(json,'rows[0][4]','10');

// Adds the "Authorization: Bearer <access_token>" header.
CkHttp_putAuthToken(http,'<access_token>');

resp := CkHttp_PostJson3(http,'https://domain.com/services/data/v{{version}}/smartdatadiscovery/predict','application/json',json);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkJsonObject__emit(jResp));

respStatusCode := CkHttpResponse_getStatusCode(resp);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttpResponse__header(resp));
    Memo1.Lines.Add('Failed.');
    CkHttpResponse_Dispose(resp);
    Exit;
  end;
CkHttpResponse_Dispose(resp);

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "predictionDefinition": "1OR5Y0000010ws8",
//   "predictions": [
//     {
//       "model": {
//         "id": "1Ot5Y0000010wzNSAQ"
//       },
//       "prediction": {
//         "middleValues": [
//         ],
//         "total": 88.52494255547592
//       },
//       "prescriptions": [
//       ],
//       "status": "Success"
//     }
//   ],
//   "settings": {
//     "maxMiddleValues": 0,
//     "maxPrescriptions": 0,
//     "prescriptionImpactPercentage": 0
//   }
// }

// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

predictionDefinition := CkJsonObject__stringOf(jResp,'predictionDefinition');
MaxMiddleValues := CkJsonObject_IntOf(jResp,'settings.maxMiddleValues');
MaxPrescriptions := CkJsonObject_IntOf(jResp,'settings.maxPrescriptions');
PrescriptionImpactPercentage := CkJsonObject_IntOf(jResp,'settings.prescriptionImpactPercentage');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'predictions');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    Id := CkJsonObject__stringOf(jResp,'predictions[i].model.id');
    Total := CkJsonObject__stringOf(jResp,'predictions[i].prediction.total');
    status := CkJsonObject__stringOf(jResp,'predictions[i].status');
    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'predictions[i].prediction.middleValues');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        j := j + 1;
      end;

    j := 0;
    count_j := CkJsonObject_SizeOfArray(jResp,'predictions[i].prescriptions');
    while j < count_j do
      begin
        CkJsonObject_putJ(jResp,j);
        j := j + 1;
      end;

    i := i + 1;
  end;

CkHttp_Dispose(http);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

Curl Command

curl -X POST
	-H "Authorization: Bearer <access_token>"
	-d '{
    "predictionDefinition": "<PREDICTION_DEFINITION_ID>",
    "type": "RawData",
    "columnNames": [
        "Quantity",
        "Category",
        "Sub_Category",
        "Sales",
        "Profit_per_Order"
    ],
    "rows": [
        [
            "2",
            "Furniture",
            "Chairs",
            "300",
            "10"
        ]
    ]
}'
https://domain.com/services/data/v{{version}}/smartdatadiscovery/predict

Postman Collection Item JSON

{
  "name": "Predict",
  "request": {
    "method": "POST",
    "header": [
    ],
    "body": {
      "mode": "raw",
      "raw": "{\n    \"predictionDefinition\": \"<PREDICTION_DEFINITION_ID>\",\n    \"type\": \"RawData\",\n    \"columnNames\": [\n        \"Quantity\",\n        \"Category\",\n        \"Sub_Category\",\n        \"Sales\",\n        \"Profit_per_Order\"\n    ],\n    \"rows\": [\n        [\n            \"2\",\n            \"Furniture\",\n            \"Chairs\",\n            \"300\",\n            \"10\"\n        ]\n    ]\n}",
      "options": {
        "raw": {
          "language": "json"
        }
      }
    },
    "url": {
      "raw": "{{_endpoint}}/services/data/v{{version}}/smartdatadiscovery/predict",
      "host": [
        "{{_endpoint}}"
      ],
      "path": [
        "services",
        "data",
        "v{{version}}",
        "smartdatadiscovery",
        "predict"
      ]
    },
    "description": "Get available prediction definitions."
  },
  "response": [
    {
      "name": "Predict",
      "originalRequest": {
        "method": "POST",
        "header": [
        ],
        "body": {
          "mode": "raw",
          "raw": "{\n    \"predictionDefinition\": \"1OR5Y0000010ws8WAA\",\n    \"type\": \"RawData\",\n    \"columnNames\": [\n        \"Quantity\",\n        \"Category\",\n        \"Sub_Category\",\n        \"Sales\",\n        \"Profit_per_Order\"\n    ],\n    \"rows\": [\n        [\n            \"2\",\n            \"Furniture\",\n            \"Chairs\",\n            \"300\",\n            \"10\"\n        ]\n    ]\n}",
          "options": {
            "raw": {
              "language": "json"
            }
          }
        },
        "url": {
          "raw": "{{_endpoint}}/services/data/v{{version}}/smartdatadiscovery/predict",
          "host": [
            "{{_endpoint}}"
          ],
          "path": [
            "services",
            "data",
            "v{{version}}",
            "smartdatadiscovery",
            "predict"
          ]
        }
      },
      "status": "Created",
      "code": 201,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Thu, 04 Mar 2021 13:53:39 GMT"
        },
        {
          "key": "Strict-Transport-Security",
          "value": "max-age=31536002; includeSubDomains"
        },
        {
          "key": "Expect-CT",
          "value": "max-age=86400, report-uri=\"https://a.forcesslreports.com/Expect-CT-report/00D5Y000001crJvm\""
        },
        {
          "key": "X-Content-Type-Options",
          "value": "nosniff"
        },
        {
          "key": "X-XSS-Protection",
          "value": "1; mode=block"
        },
        {
          "key": "X-Robots-Tag",
          "value": "none"
        },
        {
          "key": "Cache-Control",
          "value": "no-cache,must-revalidate,max-age=0,no-store,private"
        },
        {
          "key": "Content-Type",
          "value": "application/json;charset=UTF-8"
        },
        {
          "key": "Vary",
          "value": "Accept-Encoding"
        },
        {
          "key": "Content-Encoding",
          "value": "gzip"
        },
        {
          "key": "Transfer-Encoding",
          "value": "chunked"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"predictionDefinition\": \"1OR5Y0000010ws8\",\n    \"predictions\": [\n        {\n            \"model\": {\n                \"id\": \"1Ot5Y0000010wzNSAQ\"\n            },\n            \"prediction\": {\n                \"middleValues\": [],\n                \"total\": 88.52494255547592\n            },\n            \"prescriptions\": [],\n            \"status\": \"Success\"\n        }\n    ],\n    \"settings\": {\n        \"maxMiddleValues\": 0,\n        \"maxPrescriptions\": 0,\n        \"prescriptionImpactPercentage\": 0\n    }\n}"
    }
  ]
}