Method importSingleTask

src/commands/CmdImport.cpp:174–226

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void CmdImport::importSingleTask(json::object* obj) {
  // Parse the whole thing, validate the data.
  Task task(obj);

  // An empty task is probably not intentional - at least a UUID should be included.
  if (task.is_empty()) throw format("Cannot import an empty task.");

  auto hasGeneratedEntry = not task.has("entry");
  auto hasExplicitEnd = task.has("end");

  task.validate();

  auto hasGeneratedEnd = not hasExplicitEnd and task.has("end");

  // Check whether the imported task is new or a modified existing task.
  Task before;
  auto uuid = task.get("uuid");
  uuid_occurrences[uuid]++;
  if (Context::getContext().tdb2.get(uuid, before)) {
    // We need to neglect updates from attributes with dynamic defaults
    // unless they have been explicitly specified on import.
    //
    // There are three attributes with dynamic defaults, besides uuid:
    //   - modified: Ignored in any case.
    //   - entry: Ignored if generated.
    //   - end: Ignored if generated.

    // The 'modified' attribute is ignored in any case, since if it
    // were the only difference between the tasks, it would have been
    // neglected anyway, since it is bumped on each modification.
    task.set("modified", before.get("modified"));

    // Other generated values are replaced by values from existing task,
    // so that they are ignored on comparison.
    if (hasGeneratedEntry) task.set("entry", before.get("entry"));

    if (hasGeneratedEnd) task.set("end", before.get("end"));

    if (before != task) {
      CmdModify modHelper;
      modHelper.checkConsistency(before, task);
      modHelper.modifyAndUpdate(before, task);
      std::cout << " mod  ";
    } else {
      std::cout << " skip ";
    }
  } else {
    Context::getContext().tdb2.add(task);
    std::cout << " add  ";
  }

  std::cout << task.get("uuid") << ' ' << task.get("description") << '\n';
}

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