dnet-applications/apps/dhp-broker-application/src/main/java/eu/dnetlib/lbs/controllers/EventsController.java

130 lines
4.1 KiB
Java

package eu.dnetlib.lbs.controllers;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.StreamSupport;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.PageRequest;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.google.common.collect.Lists;
import eu.dnetlib.lbs.LiteratureBrokerServiceConfiguration;
import eu.dnetlib.lbs.cron.ScheduledActions;
import eu.dnetlib.lbs.elasticsearch.Event;
import eu.dnetlib.lbs.elasticsearch.EventRepository;
import eu.dnetlib.lbs.elasticsearch.EventStatsManager;
import eu.dnetlib.lbs.elasticsearch.EventStatsManager.BrowseEntry;
import eu.dnetlib.lbs.subscriptions.Subscription;
import eu.dnetlib.lbs.subscriptions.SubscriptionRepository;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
@RestController
@RequestMapping("/api/events")
@Api(tags = LiteratureBrokerServiceConfiguration.TAG_EVENTS)
public class EventsController extends AbstractLbsController {
@Autowired
private EventRepository eventRepository;
@Autowired
private SubscriptionRepository subscriptionRepo;
@Autowired
private EventStatsManager eventStatsManager;
@Autowired(required = false)
private ScheduledActions scheduledActions;
@ApiOperation("Return an event by ID")
@GetMapping("/{id}")
public Event getEvent(@PathVariable final String id) {
return eventRepository.findById(id).get();
}
@ApiOperation("Delete an event by ID")
@DeleteMapping("/{id}")
public void deleteEvent(@PathVariable final String id) {
eventRepository.deleteById(id);
}
@ApiOperation("Save an event by ID")
@PostMapping("/{id}")
public Event saveEvent(@RequestBody final Event event) {
return eventRepository.save(event);
}
@ApiOperation("Return a page of events")
@GetMapping("/list/{page}/{pageSize}")
public List<Event> events(
@PathVariable final int page,
@PathVariable final int pageSize) {
return Lists.newArrayList(eventRepository.findAll(PageRequest.of(page, pageSize)));
}
@ApiOperation("Return a page of events by topic")
@GetMapping("/byTopic/{page}/{pageSize}")
public List<Event> eventsByTopic(
@PathVariable final int page,
@PathVariable final int pageSize,
@RequestParam final String topic) {
return Lists.newArrayList(eventRepository.findByTopic(topic, PageRequest.of(page, pageSize)));
}
@ApiOperation("Delete all the events")
@DeleteMapping("/all")
public Map<String, Object> clearEvents() {
eventRepository.deleteAll();
final Map<String, Object> res = new HashMap<>();
res.put("deleted", true);
return res;
}
@ApiOperation("Delete the expired events")
@DeleteMapping("/expired")
public Map<String, Long> deleteExpiredEvents() {
final Map<String, Long> res = new HashMap<>();
if (scheduledActions != null) {
res.put("deleted", scheduledActions.deleteExpiredEvents());
} else {
res.put("error (deletion of expired events is disabled)", 0l);
}
return res;
}
@ApiOperation("Return the topics of the indexed events (all)")
@GetMapping("/topics/all")
public List<BrowseEntry> browseTopics() {
return eventStatsManager.browseTopics();
}
@ApiOperation("Return the topics of the indexed events (only with subscriptions)")
@GetMapping("/topics/withSubscriptions")
public List<BrowseEntry> browseTopicsWithSubscriptions() {
final Iterable<Subscription> iter = subscriptionRepo.findAll();
final Set<String> validTopics = StreamSupport.stream(iter.spliterator(), false)
.map(Subscription::getTopic)
.collect(Collectors.toSet());
return this.browseTopics()
.stream()
.filter(e -> validTopics.contains(e.getValue()))
.collect(Collectors.toList());
}
}