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feat(jans-auth-server): added new stat response service with test
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...-auth-server/server/src/main/java/io/jans/as/server/service/stat/StatResponseService.java
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| package io.jans.as.server.service.stat; | ||
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| import com.google.common.cache.Cache; | ||
| import com.google.common.cache.CacheBuilder; | ||
| import io.jans.as.common.model.stat.StatEntry; | ||
| import io.jans.as.server.ws.rs.stat.StatResponse; | ||
| import io.jans.as.server.ws.rs.stat.StatResponseItem; | ||
| import io.jans.orm.PersistenceEntryManager; | ||
| import io.jans.orm.search.filter.Filter; | ||
| import net.agkn.hll.HLL; | ||
| import org.slf4j.Logger; | ||
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| import javax.ejb.DependsOn; | ||
| import javax.enterprise.context.ApplicationScoped; | ||
| import javax.inject.Inject; | ||
| import javax.inject.Named; | ||
| import java.util.Base64; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.concurrent.TimeUnit; | ||
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| import static io.jans.as.model.util.Util.escapeLog; | ||
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| /** | ||
| * @author Yuriy Zabrovarnyy | ||
| */ | ||
| @ApplicationScoped | ||
| @DependsOn("appInitializer") | ||
| @Named | ||
| public class StatResponseService { | ||
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| @Inject | ||
| private Logger log; | ||
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| @Inject | ||
| private PersistenceEntryManager entryManager; | ||
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| @Inject | ||
| private StatService statService; | ||
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| private final Cache<String, StatResponse> responseCache = CacheBuilder | ||
| .newBuilder() | ||
| .expireAfterWrite(1, TimeUnit.HOURS) | ||
| .build(); | ||
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| public StatResponse buildResponse(List<String> months) { | ||
| final String cacheKey = months.toString(); | ||
| final StatResponse cachedResponse = responseCache.getIfPresent(cacheKey); | ||
| if (cachedResponse != null) { | ||
| return cachedResponse; | ||
| } | ||
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| StatResponse response = new StatResponse(); | ||
| for (String month : months) { | ||
| final StatResponseItem responseItem = buildItem(month); | ||
| if (responseItem != null) { | ||
| response.getResponse().put(month, responseItem); | ||
| } | ||
| } | ||
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| responseCache.put(cacheKey, response); | ||
| return response; | ||
| } | ||
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| private StatResponseItem buildItem(String month) { | ||
| try { | ||
| String monthlyDn = String.format("ou=%s,%s", escapeLog(month), statService.getBaseDn()); | ||
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| final List<StatEntry> entries = entryManager.findEntries(monthlyDn, StatEntry.class, Filter.createPresenceFilter("jansId")); | ||
| if (entries == null || entries.isEmpty()) { | ||
| log.trace("Can't find stat entries for month: {}", monthlyDn); | ||
| return null; | ||
| } | ||
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| final StatResponseItem responseItem = new StatResponseItem(); | ||
| responseItem.setMonthlyActiveUsers(userCardinality(entries)); | ||
| responseItem.setMonth(month); | ||
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| unionTokenMapIntoResponseItem(entries, responseItem); | ||
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| return responseItem; | ||
| } catch (Exception e) { | ||
| log.error(e.getMessage(), e); | ||
| return null; | ||
| } | ||
| } | ||
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| private long userCardinality(List<StatEntry> entries) { | ||
| HLL hll = decodeHll(entries.get(0)); | ||
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| // Union hll | ||
| if (entries.size() > 1) { | ||
| for (int i = 1; i < entries.size(); i++) { | ||
| hll.union(decodeHll(entries.get(i))); | ||
| } | ||
| } | ||
| return hll.cardinality(); | ||
| } | ||
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| private HLL decodeHll(StatEntry entry) { | ||
| try { | ||
| return HLL.fromBytes(Base64.getDecoder().decode(entry.getUserHllData())); | ||
| } catch (Exception e) { | ||
| log.error("Failed to decode HLL data, entry dn: {}, data: {}", entry.getDn(), entry.getUserHllData()); | ||
| return statService.newHll(); | ||
| } | ||
| } | ||
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| private void unionTokenMapIntoResponseItem(List<StatEntry> entries, StatResponseItem responseItem) { | ||
| for (StatEntry entry : entries) { | ||
| entry.getStat().getTokenCountPerGrantType().entrySet().stream().filter(en -> en.getValue() != null).forEach(en -> { | ||
| final Map<String, Long> tokenMap = responseItem.getTokenCountPerGrantType().get(en.getKey()); | ||
| if (tokenMap == null) { | ||
| responseItem.getTokenCountPerGrantType().put(en.getKey(), en.getValue()); | ||
| return; | ||
| } | ||
| for (Map.Entry<String, Long> tokenEntry : en.getValue().entrySet()) { | ||
| final Long counter = tokenMap.get(tokenEntry.getKey()); | ||
| if (counter == null) { | ||
| tokenMap.put(tokenEntry.getKey(), tokenEntry.getValue()); | ||
| continue; | ||
| } | ||
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| tokenMap.put(tokenEntry.getKey(), counter + tokenEntry.getValue()); | ||
| } | ||
| }); | ||
| } | ||
| } | ||
| } |
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41 changes: 41 additions & 0 deletions
41
...h-server/server/src/test/java/io/jans/as/server/service/stat/StatResponseServiceTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package io.jans.as.server.service.stat; | ||
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| import io.jans.orm.PersistenceEntryManager; | ||
| import org.mockito.InjectMocks; | ||
| import org.mockito.Mock; | ||
| import org.mockito.testng.MockitoTestNGListener; | ||
| import org.testng.annotations.Listeners; | ||
| import org.testng.annotations.Test; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collections; | ||
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| import static org.mockito.ArgumentMatchers.any; | ||
| import static org.mockito.Mockito.times; | ||
| import static org.mockito.Mockito.verify; | ||
| import static org.mockito.Mockito.when; | ||
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| /** | ||
| * @author Yuriy Zabrovarnyy | ||
| */ | ||
| @Listeners(MockitoTestNGListener.class) | ||
| public class StatResponseServiceTest { | ||
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| @InjectMocks | ||
| private StatResponseService statResponseService; | ||
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| @Mock | ||
| private PersistenceEntryManager entryManager; | ||
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| @Test | ||
| public void buildResponse_whenCalled_shouldInvokeEntityManagerOneTimeBecauseSecondTimeResponseMustBeCached() { | ||
| when(entryManager.findEntries(any(), any(), any())).thenReturn(new ArrayList<>()); | ||
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| statResponseService.buildResponse(Collections.singletonList("01")); | ||
| statResponseService.buildResponse(Collections.singletonList("01")); | ||
| statResponseService.buildResponse(Collections.singletonList("01")); | ||
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| // must be called exactly 1 time, all further calls should use cached response | ||
| verify(entryManager, times(1)).findEntries(any(), any(), any()); | ||
| } | ||
| } |