CmdSplit: Do not load entire database

Related to issue #245

src/commands/CmdSplit.cpp

@@ -39,25 +39,20 @@ int CmdSplit (
   Database& database,
   Journal& journal)
 {
+  const bool verbose = rules.getBoolean ("verbose");
   std::set <int> ids = cli.getIds ();
 
   if (ids.empty ())
     throw std::string ("IDs must be specified. See 'timew help split'.");
 
-  // Load the data.
-  // Note: There is no filter.
-  Interval filter;
-  auto tracked = getTracked (database, rules, filter);
-
   journal.startTransaction ();
 
+  std::vector <Interval> intervals = getIntervalsByIds (database, rules, ids);
+
   // Apply tags to ids.
-  for (auto& id : ids)
+  for (const auto& interval : intervals)
   {
-    if (id > static_cast <int> (tracked.size ()))
-      throw format ("ID '@{1}' does not correspond to any tracking.", id);
-
-    Interval first = tracked[tracked.size () - id];
+    Interval first = interval;
     Interval second = first;
 
     if (first.is_open ())
@@ -75,16 +70,16 @@ int CmdSplit (
       second.start = midpoint;
     }
 
-    database.deleteInterval (tracked[tracked.size () - id]);
+    database.deleteInterval (interval);
 
     validate (cli, rules, database, first);
-    database.addInterval (first, rules.getBoolean ("verbose"));
+    database.addInterval (first, verbose);
 
     validate (cli, rules, database, second);
-    database.addInterval (second, rules.getBoolean ("verbose"));
+    database.addInterval (second, verbose);
 
-    if (rules.getBoolean ("verbose"))
-      std::cout << "Split @" << id << '\n';
+    if (verbose)
+      std::cout << "Split @" << interval.id << '\n';
   }
 
   journal.endTransaction ();