Chilkat Online Tools

GetRecommendations C++ Example

Amazon Wisdom

#include <CkRest.h>
#include <CkAuthAws.h>
#include <CkStringBuilder.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkRest rest;
    bool success;

    CkAuthAws authAws;
    authAws.put_AccessKey("AWS_ACCESS_KEY");
    authAws.put_SecretKey("AWS_SECRET_KEY");

    // Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
    authAws.put_Region("us-west-2");
    authAws.put_ServiceName("wisdom");
    // SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
    rest.SetAuthAws(authAws);

    // URL: https://wisdom.us-west-2.amazonaws.com/
    // Use the same region as specified above.
    success = rest.Connect("wisdom.us-west-2.amazonaws.com",443,true,true);
    if (success != true) {
        std::cout << "ConnectFailReason: " << rest.get_ConnectFailReason() << "\r\n";
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    rest.AddHeader("Content-Type","application/x-amz-json-1.1");
    rest.AddHeader("X-Amz-Target","GetRecommendations");

    CkStringBuilder sbResponseBody;
    success = rest.FullRequestNoBodySb("GET","/assistants/{assistantId}/sessions/{sessionId}/recommendations",sbResponseBody);
    if (success != true) {
        std::cout << rest.lastErrorText() << "\r\n";
        return;
    }

    int respStatusCode = rest.get_ResponseStatusCode();
    std::cout << "response status code = " << respStatusCode << "\r\n";
    if (respStatusCode != 200) {
        std::cout << "Response Header:" << "\r\n";
        std::cout << rest.responseHeader() << "\r\n";
        std::cout << "Response Body:" << "\r\n";
        std::cout << sbResponseBody.getAsString() << "\r\n";
        return;
    }

    CkJsonObject jResp;
    jResp.LoadSb(sbResponseBody);

    // The following code parses the JSON response.
    // A sample JSON response is shown below the sample code.

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

    // Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    // See this example explaining how this memory should be used: const char * functions.

    const char *ContentArn = 0;
    const char *ContentId = 0;
    const char *KnowledgeBaseArn = 0;
    const char *KnowledgeBaseId = 0;
    const char *Text = 0;
    const char *TitleText = 0;
    const char *recommendationId = 0;
    const char *relevanceLevel = 0;
    int relevanceScore;
    int j;
    int count_j;
    int beginOffsetInclusive;
    int endOffsetExclusive;

    int i = 0;
    int count_i = jResp.SizeOfArray("recommendations");
    while (i < count_i) {
        jResp.put_I(i);
        ContentArn = jResp.stringOf("recommendations[i].document.contentReference.contentArn");
        ContentId = jResp.stringOf("recommendations[i].document.contentReference.contentId");
        KnowledgeBaseArn = jResp.stringOf("recommendations[i].document.contentReference.knowledgeBaseArn");
        KnowledgeBaseId = jResp.stringOf("recommendations[i].document.contentReference.knowledgeBaseId");
        Text = jResp.stringOf("recommendations[i].document.excerpt.text");
        TitleText = jResp.stringOf("recommendations[i].document.title.text");
        recommendationId = jResp.stringOf("recommendations[i].recommendationId");
        relevanceLevel = jResp.stringOf("recommendations[i].relevanceLevel");
        relevanceScore = jResp.IntOf("recommendations[i].relevanceScore");
        j = 0;
        count_j = jResp.SizeOfArray("recommendations[i].document.excerpt.highlights");
        while (j < count_j) {
            jResp.put_J(j);
            beginOffsetInclusive = jResp.IntOf("recommendations[i].document.excerpt.highlights[j].beginOffsetInclusive");
            endOffsetExclusive = jResp.IntOf("recommendations[i].document.excerpt.highlights[j].endOffsetExclusive");
            j = j + 1;
        }

        j = 0;
        count_j = jResp.SizeOfArray("recommendations[i].document.title.highlights");
        while (j < count_j) {
            jResp.put_J(j);
            beginOffsetInclusive = jResp.IntOf("recommendations[i].document.title.highlights[j].beginOffsetInclusive");
            endOffsetExclusive = jResp.IntOf("recommendations[i].document.title.highlights[j].endOffsetExclusive");
            j = j + 1;
        }

        i = i + 1;
    }

    // A sample JSON response body parsed by the above code:

    // {
    //   "recommendations": [
    //     {
    //       "document": {
    //         "contentReference": {
    //           "contentArn": "string",
    //           "contentId": "string",
    //           "knowledgeBaseArn": "string",
    //           "knowledgeBaseId": "string"
    //         },
    //         "excerpt": {
    //           "highlights": [
    //             {
    //               "beginOffsetInclusive": number,
    //               "endOffsetExclusive": number
    //             }
    //           ],
    //           "text": "string"
    //         },
    //         "title": {
    //           "highlights": [
    //             {
    //               "beginOffsetInclusive": number,
    //               "endOffsetExclusive": number
    //             }
    //           ],
    //           "text": "string"
    //         }
    //       },
    //       "recommendationId": "string",
    //       "relevanceLevel": "string",
    //       "relevanceScore": number
    //     }
    //   ]
    // }
    }