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public apis

This commit is contained in:
Michele Artini 2020-09-08 16:38:14 +02:00
parent 58da712318
commit f37de4e86b
5 changed files with 147 additions and 109 deletions
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1
.gitignore vendored
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@ -28,3 +28,4 @@ spark-warehouse
/**/.svn
apps/dnet-orgs-database-application/data/
apps/dnet-orgs-database-application/src/main/resources/tmp_data

74
apps/dhp-broker-application/src/main/java/eu/dnetlib/broker/openaire/OpenaireBrokerController.java
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@ -1,7 +1,6 @@
package eu.dnetlib.broker.openaire;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Optional;
@ -24,10 +23,8 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.data.elasticsearch.core.SearchHit;
import org.springframework.data.elasticsearch.core.SearchHits;
import org.springframework.data.elasticsearch.core.SearchScrollHits;
import org.springframework.data.elasticsearch.core.mapping.IndexCoordinates;
import org.springframework.data.elasticsearch.core.query.NativeSearchQuery;
import org.springframework.data.elasticsearch.core.query.NativeSearchQueryBuilder;
@ -39,8 +36,6 @@ import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import com.google.gson.Gson;
import eu.dnetlib.broker.LiteratureBrokerServiceConfiguration;
import eu.dnetlib.broker.common.controllers.AbstractLbsController;
import eu.dnetlib.broker.common.elasticsearch.Event;
@ -72,8 +67,6 @@ public class OpenaireBrokerController extends AbstractLbsController {
@Autowired
private ElasticSearchProperties props;
private static final long SCROLL_TIMEOUT_IN_MILLIS = 5 * 60 * 1000;
private static final Log log = LogFactory.getLog(OpenaireBrokerController.class);
@ApiOperation("Return the datasources having events")
@ -207,7 +200,7 @@ public class OpenaireBrokerController extends AbstractLbsController {
final Subscription sub = optSub.get();
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(QueryBuilders.matchQuery("subscriptionId", subscrId))
.withQuery(QueryBuilders.termQuery("subscriptionId.keyword", subscrId))
.withSearchType(SearchType.DEFAULT)
.withFields("payload")
.withPageable(PageRequest.of(nPage, size))
@ -229,71 +222,6 @@ public class OpenaireBrokerController extends AbstractLbsController {
}
@ApiOperation("Returns notifications using scrolls (first page)")
@GetMapping("/scroll/notifications/start/{subscrId}")
public ScrollPage prepareScrollNotifications(@PathVariable final String subscrId) {
final Optional<Subscription> optSub = subscriptionRepo.findById(subscrId);
if (optSub.isPresent()) {
final ElasticsearchRestTemplate esTemplate = (ElasticsearchRestTemplate) esOperations;
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(QueryBuilders.matchQuery("subscriptionId", subscrId))
.withSearchType(SearchType.DEFAULT)
.withFields("payload")
.build();
final SearchScrollHits<Notification> scroll =
esTemplate.searchScrollStart(SCROLL_TIMEOUT_IN_MILLIS, searchQuery, Notification.class, IndexCoordinates.of(props.getNotificationsIndexName()));
if (scroll.hasSearchHits()) {
final List<OaBrokerEventPayload> values = calculateEventPayloads(scroll);
return new ScrollPage(scroll.getScrollId(), values.isEmpty() || scroll.getScrollId() == null, values);
} else {
esTemplate.searchScrollClear(Arrays.asList(scroll.getScrollId()));
return new ScrollPage(null, true, new ArrayList<>());
}
} else {
log.warn("Invalid subscription: " + subscrId);
return new ScrollPage();
}
}
@ApiOperation("Returns notifications using scrolls (other pages)")
@GetMapping("/scroll/notifications/{scrollId}")
public ScrollPage scrollNotifications(@PathVariable final String scrollId) {
final ElasticsearchRestTemplate esTemplate = (ElasticsearchRestTemplate) esOperations;
final SearchScrollHits<Notification> scroll =
esTemplate.searchScrollContinue(scrollId, SCROLL_TIMEOUT_IN_MILLIS, Notification.class, IndexCoordinates.of(props.getNotificationsIndexName()));
if (scroll.hasSearchHits()) {
final List<OaBrokerEventPayload> values = calculateEventPayloads(scroll);
return new ScrollPage(scroll.getScrollId(), values.isEmpty() || scroll.getScrollId() == null, values);
} else {
esTemplate.searchScrollClear(Arrays.asList(scroll.getScrollId()));
return new ScrollPage(null, true, new ArrayList<>());
}
}
private List<OaBrokerEventPayload> calculateEventPayloads(final SearchScrollHits<Notification> scroll) {
if (scroll.getSearchHits().size() > 0) {
final Gson gson = new Gson();
return scroll.stream()
.map(SearchHit::getContent)
.map(Notification::getPayload)
.map(s -> gson.fromJson(s, OaBrokerEventPayload.class))
.collect(Collectors.toList());
} else {
return new ArrayList<>();
}
}
private SimpleSubscriptionDesc subscriptionDesc(final Subscription s) {
return new SimpleSubscriptionDesc(s.getSubscriptionId(), extractDatasource(s), s.getTopic(), s.getCreationDate(), s.getLastNotificationDate(),
OpenaireBrokerController.this.notificationRepository.countBySubscriptionId(s.getSubscriptionId()));

49
apps/dhp-broker-public-application/my_application.properties Normal file
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@ -0,0 +1,49 @@
spring.profiles.active = dev,openaire
#logging.level.root=DEBUG
#spring.datasource.url=jdbc:postgresql://localhost:5432/dnet_broker
#spring.datasource.username=
#spring.datasource.password=
spring.datasource.url = jdbc:postgresql://localhost:5432/oa_broker
spring.datasource.username = oa_broker
spring.datasource.password = ohhae8Bi3Xiy
spring.jpa.properties.hibernate.dialect = org.hibernate.dialect.PostgreSQLDialect
# Hibernate ddl auto (create, create-drop, validate, update)
spring.jpa.hibernate.ddl-auto = validate
spring.jpa.properties.hibernate.hbm2dll.extra_physical_table_types = MATERIALIZED VIEW
spring.jpa.properties.hibernate.jdbc.lob.non_contextual_creation = true
spring.jpa.open-in-view = true
spring.jpa.properties.hibernate.show_sql = false
spring.jpa.properties.hibernate.use_sql_comments = false
spring.jpa.properties.hibernate.format_sql = false
lbs.database.url = ${spring.datasource.url}
# for development server
#lbs.elastic.clusterNodes = broker1-dev-dnet.d4science.org:9300
#lbs.elastic.homepage = http://broker1-dev-dnet.d4science.org:9200/_plugin/hq
# for localhost
lbs.elastic.clusterNodes = 127.0.0.1:9200
lbs.elastic.homepage = http://
lbs.elastic.socketTimeout = 30000
lbs.elastic.connectionTimeout = 30000
lbs.elastic.eventsIndexName = oa_events_beta
lbs.elastic.notificationsIndexName = oa_notifications_beta
lbs.queues.maxReturnedValues = 1000
lbs.task.deleteOldEvents.cron = 0 0 4 1/1 * ?
lbs.task.deleteOldNotifications.cron = 0 0 5 1/1 * ?
lbs.task.subscriptionEventsMatcher.cron = 0 0 6 1/1 * ?
spring.data.elasticsearch.cluster-name = ${lbs.elastic.clusterName}
spring.data.elasticsearch.cluster-nodes = ${lbs.elastic.clusterNodes}

79
apps/dhp-broker-public-application/src/main/java/eu/dnetlib/broker/oa/controllers/NotificationMessage.java
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@ -1,14 +1,21 @@
package eu.dnetlib.broker.oa.controllers;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.io.Serializable;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.google.gson.Gson;
import eu.dnetlib.broker.common.elasticsearch.Notification;
import eu.dnetlib.broker.objects.OaBrokerEventPayload;
import eu.dnetlib.broker.objects.OaBrokerMainEntity;
public class NotificationMessage implements Serializable {
@ -19,12 +26,16 @@ public class NotificationMessage implements Serializable {
private String originalId;
private String title;
private String topic;
private float trust;
private Map<String, String> message = new LinkedHashMap<>();
private static final Log log = LogFactory.getLog(NotificationMessage.class);
public static NotificationMessage fromNotification(final Notification n) {
final Gson gson = new Gson();
@ -33,16 +44,66 @@ public class NotificationMessage implements Serializable {
final NotificationMessage res = new NotificationMessage();
res.setOriginalId(payload.getResult().getOriginalId());
res.setTitle(payload.getResult().getTitles().stream().filter(StringUtils::isNotBlank).findFirst().orElse(null));
res.setTopic(n.getTopic());
res.setTrust(payload.getTrust());
res.setMessage(highlightAsMap(payload.getHighlight()));
res.setMessage(highlightAsMap("", payload.getHighlight()));
return res;
}
private static Map<String, String> highlightAsMap(final OaBrokerMainEntity hl) {
// TODO Auto-generated method stub
return null;
private static Map<String, String> highlightAsMap(final String prefix, final Object bean) {
final Map<String, String> res = new LinkedHashMap<>();
try {
for (final PropertyDescriptor pd : Introspector.getBeanInfo(bean.getClass(), Object.class).getPropertyDescriptors()) {
if (pd.getReadMethod() != null) {
final Object v = pd.getReadMethod().invoke(bean);
if (v != null) {
if (v instanceof List && !((List<?>) v).isEmpty()) {
final List<?> list = (List<?>) v;
for (int i = 0; i < list.size(); i++) {
final Object x = list.get(i);
if (x instanceof String && StringUtils.isNotBlank(x.toString())) {
res.put(prefix + pd.getName() + "[" + i + "]", x.toString());
} else {
res.putAll(highlightAsMap(prefix + pd.getName() + "[" + i + "].", x));
}
}
} else if (v instanceof String) {
res.put(prefix + pd.getName(), v.toString());
} else {
res.putAll(highlightAsMap(pd.getName() + ".", v));
}
}
}
}
return res;
} catch (final Exception e) {
log.warn(e);
return Collections.emptyMap();
}
}
public String getOriginalId() {
return originalId;
}
public void setOriginalId(final String originalId) {
this.originalId = originalId;
}
public String getTitle() {
return title;
}
public void setTitle(final String title) {
this.title = title;
}
public String getTopic() {
@ -69,12 +130,4 @@ public class NotificationMessage implements Serializable {
this.message = message;
}
public String getOriginalId() {
return originalId;
}
public void setOriginalId(final String originalId) {
this.originalId = originalId;
}
}

53
apps/dhp-broker-public-application/src/main/java/eu/dnetlib/broker/oa/controllers/OpenairePublicController.java
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@ -1,12 +1,13 @@
package eu.dnetlib.broker.oa.controllers;
import java.io.BufferedOutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import java.util.zip.GZIPOutputStream;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.codec.digest.DigestUtils;
@ -18,6 +19,7 @@ import org.elasticsearch.action.search.SearchType;
import org.elasticsearch.index.query.QueryBuilders;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.elasticsearch.core.ElasticsearchOperations;
import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
import org.springframework.data.elasticsearch.core.SearchHit;
@ -43,7 +45,7 @@ import io.swagger.annotations.ApiOperation;
@Profile("openaire")
@RestController
@RequestMapping("/api/openaireBroker")
@RequestMapping("/")
@Api(tags = BrokerConfiguration.TAG_OPENAIRE)
public class OpenairePublicController extends AbstractLbsController {
@ -71,9 +73,10 @@ public class OpenairePublicController extends AbstractLbsController {
final ElasticsearchRestTemplate esTemplate = (ElasticsearchRestTemplate) esOperations;
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(QueryBuilders.matchQuery("subscriptionId", subscrId))
.withQuery(QueryBuilders.termQuery("subscriptionId.keyword", subscrId))
.withSearchType(SearchType.DEFAULT)
.withFields("topic", "payload")
.withPageable(PageRequest.of(0, 100))
.build();
final SearchScrollHits<Notification> scroll =
@ -101,7 +104,7 @@ public class OpenairePublicController extends AbstractLbsController {
final String dsId = calculateDsIdFromOpenDoarId(opendoarId);
final NativeSearchQuery searchQuery = new NativeSearchQueryBuilder()
.withQuery(QueryBuilders.nestedQuery("map", QueryBuilders.matchQuery("map.targetDatasourceId", dsId), ScoreMode.None))
.withQuery(QueryBuilders.nestedQuery("map", QueryBuilders.termQuery("map.targetDatasourceId", dsId), ScoreMode.None))
.withSearchType(SearchType.DEFAULT)
.withFields("topic", "payload")
.build();
@ -140,36 +143,40 @@ public class OpenairePublicController extends AbstractLbsController {
}
@ApiOperation("Returns notifications as file")
@GetMapping("/file/notifications/bySubscriptionId/{subscrId}")
@GetMapping(value = "/file/notifications/bySubscriptionId/{subscrId}", produces = "application/gzip")
public void notificationsAsFile(final HttpServletResponse res, @PathVariable final String subscrId) throws Exception {
res.setContentType("application/json");
final Gson gson = new Gson();
final BufferedOutputStream out = new BufferedOutputStream(res.getOutputStream());
res.setHeader("Content-Disposition", "attachment; filename=dump.json.gz");
boolean first = true;
try (final ServletOutputStream out = res.getOutputStream(); final GZIPOutputStream gzOut = new GZIPOutputStream(out)) {
IOUtils.write("[", out);
boolean first = true;
ScrollPage<NotificationMessage> page = null;
IOUtils.write("[", gzOut);
do {
page = page == null ? prepareScrollNotificationsBySubscrId(subscrId) : scrollNotifications(page.getId());
for (final NotificationMessage msg : page.getValues()) {
if (first) {
first = false;
} else {
IOUtils.write(", ", out);
ScrollPage<NotificationMessage> page = null;
do {
page = page == null ? prepareScrollNotificationsBySubscrId(subscrId) : scrollNotifications(page.getId());
for (final NotificationMessage msg : page.getValues()) {
if (first) {
first = false;
} else {
IOUtils.write(", ", gzOut);
}
IOUtils.write(gson.toJson(msg), gzOut);
}
IOUtils.write(gson.toJson(msg), out);
}
} while (!page.isCompleted());
} while (!page.isCompleted());
IOUtils.write("]", out);
IOUtils.write("]", gzOut);
gzOut.flush();
}
out.flush();
out.close();
}
private List<NotificationMessage> calculateNotificationMessages(final SearchScrollHits<Notification> scroll) {