git.squeep.com Git - urlittler/blob - src/db/base.js

   1 'use strict';
   2
   3 const common = require('../common');
   4 const DBErrors = require('./errors');
   5
   6 const _fileScope = common.fileScope(__filename);
   7
   8 class BaseDatabase {
   9   constructor(logger) {
  10     this.logger = logger;
  11   }
  12
  13   static _camelfy(snakeCase, delim = '_') {
  14     if (!snakeCase || typeof snakeCase.split !== 'function') {
  15       return undefined;
  16     }
  17     const words = snakeCase.split(delim);
  18     return [
  19       words.shift(),
  20       ...words.map((word) => word.charAt(0).toUpperCase() + word.slice(1)),
  21     ].join('');
  22   }
  23
  24   _notImplemented(method, args) {
  25     const _scope = _fileScope(method);
  26     this.logger.error(_scope, 'abstract method called', Array.from(args));
  27     throw new DBErrors.NotImplemented();
  28   }
  29
  30   async context(fn) {
  31     this._notImplemented('context', { fn });
  32   }
  33
  34   async transaction(dbCtx, fn) {
  35     this._notImplemented('transaction', { dbCtx, fn });
  36   }
  37
  38   async getAuthById(dbCtx, id) {
  39     this._notImplemented('getAuthById', { dbCtx, id });
  40   }
  41
  42   async insertLink(dbCtx, id, url, authToken) {
  43     this._notImplemented('insertLink', { dbCtx, id, url, authToken });
  44   }
  45
  46   async getLinkById(dbCtx, id) {
  47     this._notImplemented('getLinkById', { dbCtx, id });
  48   }
  49
  50   async getLinkByUrl(dbCtx, url) {
  51     this._notImplemented('getLinkByUrl', { dbCtx, url });
  52   }
  53
  54   async accessLink(dbCtx, id) {
  55     this._notImplemented('accessLink', { dbCtx, id });
  56   }
  57
  58   async expireLink(dbCtx, id, expires) {
  59     this._notImplemented('expireLink', { dbCtx, id, expires });
  60   }
  61
  62   async updateLink(dbCtx, id, url) {
  63     this._notImplemented('updateLink', { dbCtx, id, url });
  64   }
  65
  66   async getAllLinks(dbCtx) {
  67     this._notImplemented('getAllLinks', { dbCtx });
  68   }
  69
  70 }
  71
  72 module.exports = BaseDatabase;