Closes #336: search document by file mime type

docs-core/src/main/java/com/sismics/docs/core/dao/criteria/DocumentCriteria.java

@@ -77,6 +77,11 @@ public class DocumentCriteria {
      */
     private Boolean activeRoute;
 
+    /**
+     * MIME type of a file.
+     */
+    private String mimeType;
+    
     public List<String> getTargetIdList() {
         return targetIdList;
     }
@@ -181,4 +186,12 @@ public class DocumentCriteria {
     public void setActiveRoute(Boolean activeRoute) {
         this.activeRoute = activeRoute;
     }
+
+    public String getMimeType() {
+        return mimeType;
+    }
+
+    public void setMimeType(String mimeType) {
+        this.mimeType = mimeType;
+    }
 }

docs-core/src/main/java/com/sismics/docs/core/util/indexing/LuceneIndexingHandler.java

@@ -251,7 +251,7 @@ public class LuceneIndexingHandler implements IndexingHandler {
                 "         s.SHA_DELETEDATE_D IS NULL group by ac.ACL_SOURCEID_C) s on s.ACL_SOURCEID_C = d.DOC_ID_C " +
                 "  left join (SELECT count(f.FIL_ID_C) count, f.FIL_IDDOC_C " +
                 "   FROM T_FILE f " +
-                "   WHERE f.FIL_DELETEDATE_D IS NULL group by f.FIL_IDDOC_C) f on f.FIL_IDDOC_C = d.DOC_ID_C ");
+                "   WHERE f.FIL_DELETEDATE_D is null group by f.FIL_IDDOC_C) f on f.FIL_IDDOC_C = d.DOC_ID_C ");
         sb.append(" left join (select rs.*, rs3.idDocument " +
                 "from T_ROUTE_STEP rs " +
                 "join (select r.RTE_IDDOCUMENT_C idDocument, rs.RTP_IDROUTE_C idRoute, min(rs.RTP_ORDER_N) minOrder from T_ROUTE_STEP rs join T_ROUTE r on r.RTE_ID_C = rs.RTP_IDROUTE_C and r.RTE_DELETEDATE_D is null where rs.RTP_DELETEDATE_D is null and rs.RTP_ENDDATE_D is null group by rs.RTP_IDROUTE_C, r.RTE_IDDOCUMENT_C) rs3 on rs.RTP_IDROUTE_C = rs3.idRoute and rs.RTP_ORDER_N = rs3.minOrder " +
@@ -324,6 +324,10 @@ public class LuceneIndexingHandler implements IndexingHandler {
         if (criteria.getShared() != null && criteria.getShared()) {
             criteriaList.add("s.count > 0");
         }
+        if (criteria.getMimeType() != null) {
+            sb.append("left join T_FILE f0 on f0.FIL_IDDOC_C = d.DOC_ID_C and f0.FIL_DELETEDATE_D is null");
+            criteriaList.add("f0.FIL_ID_C is not null");
+        }
         if (criteria.getLanguage() != null) {
             criteriaList.add("d.DOC_LANGUAGE_C = :language");
             parameterMap.put("language", criteria.getLanguage());

docs-web/src/main/java/com/sismics/docs/rest/resource/DocumentResource.java

@@ -569,6 +569,10 @@ public class DocumentResource extends BaseResource {
                         documentCriteria.setLanguage(UUID.randomUUID().toString());
                     }
                     break;
+                case "mime":
+                    // New mime type criteria
+                    documentCriteria.setMimeType(params[1]);
+                    break;
                 case "by":
                     // New creator criteria
                     User user = userDao.getActiveByUsername(params[1]);

docs-web/src/test/java/com/sismics/docs/rest/TestDocumentResource.java

@@ -214,6 +214,7 @@ public class TestDocumentResource extends BaseJerseyTest {
         Assert.assertEquals(0, searchDocuments("tag:super !tag:hr", document1Token));
         Assert.assertEquals(1, searchDocuments("shared:yes", document1Token));
         Assert.assertEquals(2, searchDocuments("lang:eng", document1Token));
+        Assert.assertEquals(1, searchDocuments("mime:image/png", document1Token));
         Assert.assertEquals(1, searchDocuments("after:2010 before:2040-08 tag:super shared:yes lang:eng title description full:uranium", document1Token));
 
         // Search documents (nothing)