(Objective-C) Amazon SP-API Get Feeds

See more Amazon SP-API Examples

Returns feed details for the feeds that match the filters that you specify.

For more information, see https://developer-docs.amazon.com/sp-api/docs/feeds-api-v2021-06-30-reference#get-feeds2021-06-30feeds

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

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

CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
authAws.AccessKey = @"AWS_ACCESS_KEY";
authAws.SecretKey = @"AWS_SECRET_KEY";
authAws.ServiceName = @"execute-api";
// Use the region that is correct for your needs.
authAws.Region = @"eu-west-1";

CkoRest *rest = [[CkoRest alloc] init];
BOOL success = [rest Connect: @"sandbox.sellingpartnerapi-eu.amazon.com" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: YES];
if (success == NO) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

success = [rest SetAuthAws: authAws];

// Load the previously obtained LWA access token.
// See Fetch SP-API LWA Access Token
CkoJsonObject *jsonToken = [[CkoJsonObject alloc] init];
success = [jsonToken LoadFile: @"qa_data/tokens/sp_api_lwa_token.json"];
if (success == NO) {
    NSLog(@"%@",@"Failed to load LWA access token.");
    return;
}

// Add the x-amz-access-token request header.
NSString *lwa_token = [jsonToken StringOf: @"access_token"];

[rest ClearAllHeaders];
[rest AddHeader: @"x-amz-access-token" value: lwa_token];

[rest ClearAllQueryParams];
[rest AddQueryParam: @"feedTypes" value: @"POST_PRODUCT_DATA"];
[rest AddQueryParam: @"pageSize" value: @"10"];
[rest AddQueryParam: @"processingStatuses" value: @"CANCELLED,DONE"];

CkoStringBuilder *sbResponse = [[CkoStringBuilder alloc] init];
NSString *path = @"/feeds/2021-06-30/feeds";
success = [rest FullRequestNoBodySb: @"GET" uriPath: path sb: sbResponse];
if (success == NO) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// Examine the response status.
int statusCode = [rest.ResponseStatusCode intValue];
if (statusCode != 200) {
    NSLog(@"%@%@",@"Response status text: ",rest.ResponseStatusText);
    NSLog(@"%@",@"Response body: ");
    NSLog(@"%@",[sbResponse GetAsString]);
    NSLog(@"%@",@"Failed.");
    return;
}

NSLog(@"%@",[sbResponse GetAsString]);

// If successful, gets a JSON response such as the following:

// {
//   "feeds": [
//     {
//       "feedId": "FeedId1",
//       "feedType": "POST_PRODUCT_DATA",
//       "createdTime": "2019-12-11T13:16:24.630Z",
//       "processingStatus": "CANCELLED",
//       "processingStartTime": "2019-12-11T13:16:24.630Z",
//       "processingEndTime": "2019-12-11T13:16:24.630Z"
//     }
//   ],
//   "nextToken": "VGhpcyB0b2tlbiBpcyBvcGFxdWUgYW5kIGludGVudGlvbmFsbHkgb2JmdXNjYXRlZA=="
// }

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

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

[json LoadSb: sbResponse];

NSString *feedId = 0;
NSString *feedType = 0;
NSString *createdTime = 0;
NSString *processingStatus = 0;
NSString *processingStartTime = 0;
NSString *processingEndTime = 0;

NSString *nextToken = [json StringOf: @"nextToken"];
int i = 0;
int count_i = [[json SizeOfArray: @"feeds"] intValue];
while (i < count_i) {
    json.I = [NSNumber numberWithInt: i];
    feedId = [json StringOf: @"feeds[i].feedId"];
    feedType = [json StringOf: @"feeds[i].feedType"];
    createdTime = [json StringOf: @"feeds[i].createdTime"];
    processingStatus = [json StringOf: @"feeds[i].processingStatus"];
    processingStartTime = [json StringOf: @"feeds[i].processingStartTime"];
    processingEndTime = [json StringOf: @"feeds[i].processingEndTime"];
    i = i + 1;
}

NSLog(@"%@",@"Success!");