search: ignore weight for one word query

1 files changed, 7 insertions, 2 deletions

diff --git a/juick-server/src/main/java/com/juick/service/SphinxSearchService.java b/juick-server/src/main/java/com/juick/service/SphinxSearchService.java
index da27196f..40927bbb 100644
--- a/juick-server/src/main/java/com/juick/service/SphinxSearchService.java
+++ b/juick-server/src/main/java/com/juick/service/SphinxSearchService.java
@@ -38,6 +38,11 @@ public class SphinxSearchService extends BaseJdbcService implements SearchServic
 
     private int maxResult = DEFAULT_MAX_RESULT;
 
+    public String sortHint(String searchString) {
+        boolean isOneWord = searchString.split("[^\\S\\+]+").length == 1;
+        return isOneWord ? "extended:@id desc" : "extended:@weight desc, @id desc";
+    }
+
     @Override
     public List<Integer> searchInAllMessages(final String searchString, final int page) {
         if (StringUtils.isBlank(searchString))
@@ -46,7 +51,7 @@ public class SphinxSearchService extends BaseJdbcService implements SearchServic
         Map<String, String> sphinxQuery = new HashMap<>();
         sphinxQuery.put("limit", String.valueOf(maxResult));
         sphinxQuery.put("mode", "any");
-        sphinxQuery.put("sort", "extended:@weight desc, @id desc");
+        sphinxQuery.put("sort", sortHint(searchString));
         if (page > 0) {
             sphinxQuery.put("offset", String.valueOf(page * maxResult));
         }
@@ -65,7 +70,7 @@ public class SphinxSearchService extends BaseJdbcService implements SearchServic
         Map<String, String> sphinxQuery = new HashMap<>();
         sphinxQuery.put("limit", String.valueOf(maxResult));
         sphinxQuery.put("mode", "any");
-        sphinxQuery.put("sort", "extended:@weight desc, @id desc");
+        sphinxQuery.put("sort", sortHint(searchString));
         if (page > 0) {
             sphinxQuery.put("offset", String.valueOf(page * maxResult));
         }