Method save

modules/core/UploaderSystem.js:117–160

* save

(tryAgain, checkConflicts)

   * save
   */
  save(tryAgain, checkConflicts) {
    // Guard against accidentally entering save code twice - iD#4641
    if (this._isSaving && !tryAgain) return;

    const context = this.context;
    const osm = context.services.osm;
    if (!osm) return;

    // If user somehow got logged out mid-save, try to reauthenticate..
    // This can happen if they were logged in from before, but the tokens are no longer valid.
    if (!osm.authenticated()) {
      osm.authenticate(err => {
        if (!err) {
          this.save(tryAgain, checkConflicts);  // continue where we left off..
        }
      });
      return;
    }

    if (!this._isSaving) {
      this._isSaving = true;
      this.emit('saveStarted');
    }

    // reset variables
    this._localGraph = null;
    this._remoteGraph = null;
    this._toCheckIDs = new Set();
    this._toLoadIDs = new Set();
    this._loadedIDs = new Set();
    this._conflicts = [];
    this._errors = [];

    // Store original changes, in case user wants to download them as an .osc file
    const editor = context.systems.editor;
    this._origChanges = editor.changes(actionDiscardTags(editor.difference(), this._discardTags));

    // Attempt a fast upload first.. If there are conflicts, re-enter with `checkConflicts = true`
    if (!checkConflicts) {
      this._tryUpload();
    } else {
      this._startConflictCheck();
    }
  }


  /**