Statistics API endpoint

- closes #299

src/main/java/org/genesys2/server/persistence/domain/AccessionRepository.java

@@ -48,6 +48,12 @@ public interface AccessionRepository extends JpaRepository<Accession, Long>, Acc
 	@Query("select count(a) from Accession a where a.institute = ?1 and a.historic = false")
 	long countByInstitute(FaoInstitute institute);
 
+    /**
+     * Return the number of active ({@link Accession#historic} == false) accession records held at the institute with DOI
+     */
+    @Query("select count(a) from Accession a where a.institute = ?1 and a.historic = false and a.doi is not null")
+    long countByInstituteWithDoi(FaoInstitute institute);
+
 	/**
 	 * Return the number of active ({@link Accession#historic} == false) accession records originating from specified country
 	 */
@@ -147,6 +153,9 @@ public interface AccessionRepository extends JpaRepository<Accession, Long>, Acc
 	@Query("select year(a.lastModifiedDate), month(a.lastModifiedDate), day(a.lastModifiedDate), count(a) from Accession a where a.institute = ?1 group by year(a.lastModifiedDate), month(a.lastModifiedDate), day(a.lastModifiedDate) order by year(a.lastModifiedDate) desc, month(a.lastModifiedDate) desc, day(a.lastModifiedDate) desc")
 	public List<Object[]> lastUpdatedStatistics(FaoInstitute faoInstitute);
 
+	@Query("select year(a.lastModifiedDate), count(a) from Accession a where a.institute = ?1 and a.historic = ?2 group by year(a.lastModifiedDate) order by year(a.lastModifiedDate) desc")
+	public List<Object[]> lastUpdatedStatistics(FaoInstitute faoInstitute, boolean historic);
+
 	public Accession findByDoi(String doi);
 
 	@Query("update Accession accession set accession.doi = null where accession.doi is not null")

src/main/java/org/genesys2/server/service/GenesysService.java

@@ -65,6 +65,12 @@ public interface GenesysService {
 	 */
 	long countByInstitute(FaoInstitute institute);
 
+    /**
+     * Return the number of active ({@link Accession#historic} == false)
+     * accession records with DOI
+     */
+    long countByInstituteWithDoi(FaoInstitute institute);
+
 	/**
 	 * Return the number of active ({@link Accession#historic} == false)
 	 * accession records
@@ -289,6 +295,8 @@ public interface GenesysService {
 	List<Object[]> getLastUpdatedStatistics();
 
 	List<Object[]> getLastUpdatedStatistics(FaoInstitute faoInstitute);
+	
+	List<Object[]> getLastUpdatedStatistics(FaoInstitute faoInstitute, boolean historic);
 
 	Page<AccessionDetails> listAccessionsDetails(Collection<Long> accessionIds, Pageable page);
 

src/main/java/org/genesys2/server/service/impl/GenesysServiceImpl.java

@@ -258,6 +258,11 @@ public class GenesysServiceImpl implements GenesysService, DatasetService {
 		return accessionRepository.countByInstitute(institute);
 	}
 
+    @Override
+    public long countByInstituteWithDoi(final FaoInstitute institute) {
+        return accessionRepository.countByInstituteWithDoi(institute);
+    }
+
 	@Override
 	public long countByOrigin(Country country) {
 		return accessionRepository.countByOrigin(country);
@@ -1903,5 +1908,11 @@ public class GenesysServiceImpl implements GenesysService, DatasetService {
 	public List<Object[]> getLastUpdatedStatistics(FaoInstitute faoInstitute) {
 		return accessionRepository.lastUpdatedStatistics(faoInstitute);
 	}
+	
+	@Override
+	@Cacheable(value = "statistics", unless = "#result == null", key = "'stats.' + #root.methodName + '-' + #faoInstitute.code + '-' + #historic")
+	public List<Object[]> getLastUpdatedStatistics(FaoInstitute faoInstitute, boolean historic) {
+		return accessionRepository.lastUpdatedStatistics(faoInstitute, historic);
+	}
 
 }

src/main/java/org/genesys2/server/servlet/controller/WiewsController.java

-/**
- * Copyright 2014 Global Crop Diversity Trust
+/*
+ * Copyright 2017 Global Crop Diversity Trust
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -12,7 +12,7 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- **/
+ */
 
 package org.genesys2.server.servlet.controller;
 
@@ -33,6 +33,9 @@ import java.util.stream.Stream;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
 import org.genesys.filerepository.InvalidRepositoryFileDataException;
 import org.genesys.filerepository.InvalidRepositoryPathException;
 import org.genesys.filerepository.NoSuchRepositoryFileException;
@@ -40,6 +43,7 @@ import org.genesys.filerepository.model.ImageGallery;
 import org.genesys.filerepository.model.RepositoryFile;
 import org.genesys.filerepository.service.ImageGalleryService;
 import org.genesys.filerepository.service.RepositoryService;
+import org.genesys2.server.model.genesys.PDCIStatistics;
 import org.genesys2.server.model.genesys.Taxonomy2;
 import org.genesys2.server.model.impl.FaoInstitute;
 import org.genesys2.server.service.CRMException;
@@ -195,6 +199,37 @@ public class WiewsController extends BaseController {
 
 		return "/wiews/details";
 	}
+	
+  @GetMapping(value = "/{instCode}", produces = {MediaType.APPLICATION_JSON_VALUE})
+  public @ResponseBody ObjectNode statistics(@PathVariable("instCode") String instCode) throws Exception {
+      LOG.info("Statistics information for {}", instCode);
+
+      final FaoInstitute institute = instituteService.getInstitute(instCode);
+      if (institute == null) {
+          throw new Exception("Institute with instCode=" + instCode + " doesn't exist.");
+      }
+      final PDCIStatistics pdciStatistics = statisticsService.statisticsPDCI(institute);
+      final List<Object[]> updatedStats = genesysService.getLastUpdatedStatistics(institute, false);
+      final Long activeAccessions = institute.getAccessionCount();
+      final Long activeAccessionsWithDoi = genesysService.countByInstituteWithDoi(institute);
+
+      final ObjectMapper mapper = new ObjectMapper();
+      final ObjectNode lastUpdatedNode = mapper.createObjectNode();
+      for (final Object[] object : updatedStats) {
+          final String year = object[0] != null ? object[0].toString() : "never";
+          final Long updates = (Long) object[1];
+          lastUpdatedNode.put(year, updates);
+      }
+
+      final ObjectNode objectNode = mapper.createObjectNode();
+      objectNode.put("instCode", instCode);
+      objectNode.put("active", true);
+      objectNode.put("count", activeAccessions);
+      objectNode.set("lastUpdated", lastUpdatedNode);
+      objectNode.put("averagePdci", pdciStatistics.getAvg());
+      objectNode.put("withDoi", activeAccessionsWithDoi);
+      return objectNode;
+  }
 
 	@RequestMapping(value = "/{wiewsCode}/stat-cropName", produces = MediaType.APPLICATION_JSON_VALUE)
 	@ResponseBody