add size filter.

Server/Database/Database.cpp

@@ -213,14 +213,15 @@ std::list<VisitAnalysis> Database::mostViewedUrls(int size) {
         pv.url = reinterpret_cast<const char *>(sqlite3_column_text(stmt, 0));
         if (std::find(urlFilter.cbegin(), urlFilter.cend(), pv.url) != urlFilter.cend()) continue;
         pv.pageViewCount = sqlite3_column_int(stmt, 1);
+        if (ret.size() < size) {
             ret.push_back(pv);
         }
+    }
 
     if (rc != SQLITE_DONE) {
         LOG(error) << "Failed to execute statement: " << sqlite3_errmsg(m_sqlite3);
     }
     sqlite3_finalize(stmt);
-
     return ret;
 }
 
@@ -251,8 +252,10 @@ std::list<VisitAnalysis> Database::latestViewedUrls(int size) {
         visit.url = reinterpret_cast<const char *>(sqlite3_column_text(stmt, 0));
         if (std::find(urlFilter.cbegin(), urlFilter.cend(), visit.url) != urlFilter.cend()) continue;
         visit.lastViewTime = sqlite3_column_int64(stmt, 1);
+        if (ret.size() < size) {
             ret.push_back(visit);
         }
+    }
     return ret;
 }