anki-apkg-generator/lib/database.js

generate anki's apkg file by code

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _createHash = _interopRequireDefault(require("create-hash"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

class Db {
  constructor(sql, template) {
    _defineProperty(this, "db", void 0);

    _defineProperty(this, "getLastItem", obj => {
      var keys = Object.keys(obj);
      var lastKey = keys[keys.length - 1];
      return obj[lastKey];
    });

    this.db = new sql.Database();
    this.db.run(template);
  }

  update(query, obj) {
    this.db.prepare(query).getAsObject(obj);
  }

  getInitialRowValue(table) {
    var column = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'id';
    var query = "select ".concat(column, " from ").concat(table);

    var result = this._getFirstVal(query);

    return result;
  }

  _getFirstVal(query) {
    return JSON.parse(this.db.exec(query)[0].values[0][0]);
  }

  getId(table, col, ts) {
    var query = "SELECT ".concat(col, " from ").concat(table, " WHERE ").concat(col, " >= :ts ORDER BY ").concat(col, " DESC LIMIT 1");
    var rowObj = this.db.prepare(query).getAsObject({
      ':ts': ts
    });
    return rowObj[col] ? Number(rowObj[col]) + 1 : ts;
  }

  getNoteId(guid, ts) {
    var query = 'SELECT id from notes WHERE guid = :guid ORDER BY id DESC LIMIT 1';
    var rowObj = this.db.prepare(query).getAsObject({
      ':guid': guid
    });
    return Number(rowObj.id) || this.getId('notes', 'id', ts);
  }

  generateGuid(deckId, name) {
    return (0, _createHash.default)('sha1').update("".concat(deckId).concat(name)).digest('utf8');
  }

  getCardId(noteId, ts) {
    var query = 'SELECT id from cards WHERE nid = :note_id ORDER BY id DESC LIMIT 1';
    var rowObj = this.db.prepare(query).getAsObject({
      ':note_id': noteId
    });
    return rowObj.id || this.getId('cards', 'id', ts);
  }

}

exports.default = Db;