Chilkat Online Tools

GetRecommendations Objective-C Example

Amazon Wisdom

#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.h>
#import <NSString.h>

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

CkoRest *rest = [[CkoRest alloc] init];
BOOL success;

CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
authAws.AccessKey = @"AWS_ACCESS_KEY";
authAws.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.Region = @"us-west-2";
authAws.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" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: YES];
if (success != YES) {
    NSLog(@"%@%d",@"ConnectFailReason: ",[rest.ConnectFailReason intValue]);
    NSLog(@"%@",rest.LastErrorText);
    return;
}

[rest AddHeader: @"Content-Type" value: @"application/x-amz-json-1.1"];
[rest AddHeader: @"X-Amz-Target" value: @"GetRecommendations"];

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestNoBodySb: @"GET" uriPath: @"/assistants/{assistantId}/sessions/{sessionId}/recommendations" sb: sbResponseBody];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

int respStatusCode = [rest.ResponseStatusCode intValue];
NSLog(@"%@%d",@"response status code = ",respStatusCode);
if (respStatusCode != 200) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",rest.ResponseHeader);
    NSLog(@"%@",@"Response Body:");
    NSLog(@"%@",[sbResponseBody GetAsString]);
    return;
}

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[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

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

int i = 0;
int count_i = [[jResp SizeOfArray: @"recommendations"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: 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"] intValue];
    j = 0;
    count_j = [[jResp SizeOfArray: @"recommendations[i].document.excerpt.highlights"] intValue];
    while (j < count_j) {
        jResp.J = [NSNumber numberWithInt: j];
        beginOffsetInclusive = [[jResp IntOf: @"recommendations[i].document.excerpt.highlights[j].beginOffsetInclusive"] intValue];
        endOffsetExclusive = [[jResp IntOf: @"recommendations[i].document.excerpt.highlights[j].endOffsetExclusive"] intValue];
        j = j + 1;
    }

    j = 0;
    count_j = [[jResp SizeOfArray: @"recommendations[i].document.title.highlights"] intValue];
    while (j < count_j) {
        jResp.J = [NSNumber numberWithInt: j];
        beginOffsetInclusive = [[jResp IntOf: @"recommendations[i].document.title.highlights[j].beginOffsetInclusive"] intValue];
        endOffsetExclusive = [[jResp IntOf: @"recommendations[i].document.title.highlights[j].endOffsetExclusive"] intValue];
        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
//     }
//   ]
// }