uoa-repository-manager-service/src/main/java/eu/dnetlib/repo/manager/service/customHystrixCommands/LastYearUsageStatsHystrixCo...

53 lines
1.8 KiB
Java

package eu.dnetlib.repo.manager.service.customHystrixCommands;
import com.netflix.hystrix.HystrixCommand;
import com.netflix.hystrix.HystrixCommandGroupKey;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.util.UriComponents;
import org.springframework.web.util.UriComponentsBuilder;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class LastYearUsageStatsHystrixCommand extends HystrixCommand<Map> {
RestTemplate restTemplate;
String usagestatsBaseAddress;
public LastYearUsageStatsHystrixCommand(String usagestatsBaseAddress,RestTemplate restTemplate) {
super(HystrixCommandGroupKey.Factory.asKey("StatisticsGroup"));
this.usagestatsBaseAddress = usagestatsBaseAddress;
this.restTemplate = restTemplate;
}
@Override
protected Map run() throws Exception {
UriComponents uriComponents = UriComponentsBuilder
.fromHttpUrl(usagestatsBaseAddress + "/totals")
.build().encode();
ResponseEntity rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET,null,Map.class);
List yearly_stats = (List) ((Map)rs.getBody()).get("yearly_stats");
Map lastYear = (Map) yearly_stats.get(yearly_stats.size()-1);
Integer downloads = (Integer) lastYear.get("downloads");
Integer views = (Integer) lastYear.get("views");
Integer year = (Integer) lastYear.get("year");
Map<String,Object> usagestats = new HashMap<>();
usagestats.put("number",String.valueOf(downloads+views));
usagestats.put("year",year);
return usagestats;
}
@Override
protected Map getFallback() {
return null;
}
}