grungnet/src/database.js

import Dexie from "dexie";

import blobToBuffer from "./helpers/blobToBuffer";

function loadVersions(db) {
  // v1.2.0
  db.version(1).stores({
    maps: "id, owner",
    states: "mapId",
    tokens: "id, owner",
    user: "key",
  });
  // v1.2.1 - Move from blob files to array buffers
  db.version(2)
    .stores({})
    .upgrade(async (tx) => {
      const maps = await Dexie.waitFor(tx.table("maps").toArray());
      let mapBuffers = {};
      for (let map of maps) {
        mapBuffers[map.id] = await Dexie.waitFor(blobToBuffer(map.file));
      }
      return tx
        .table("maps")
        .toCollection()
        .modify((map) => {
          map.file = mapBuffers[map.id];
        });
    });
  // v1.3.0 - Added new default tokens
  db.version(3)
    .stores({})
    .upgrade((tx) => {
      return tx
        .table("states")
        .toCollection()
        .modify((state) => {
          function mapTokenId(id) {
            switch (id) {
              case "__default-Axes":
                return "__default-Barbarian";
              case "__default-Bird":
                return "__default-Druid";
              case "__default-Book":
                return "__default-Wizard";
              case "__default-Crown":
                return "__default-Humanoid";
              case "__default-Dragon":
                return "__default-Dragon";
              case "__default-Eye":
                return "__default-Warlock";
              case "__default-Fist":
                return "__default-Monk";
              case "__default-Horse":
                return "__default-Fey";
              case "__default-Leaf":
                return "__default-Druid";
              case "__default-Lion":
                return "__default-Monstrosity";
              case "__default-Money":
                return "__default-Humanoid";
              case "__default-Moon":
                return "__default-Cleric";
              case "__default-Potion":
                return "__default-Sorcerer";
              case "__default-Shield":
                return "__default-Paladin";
              case "__default-Skull":
                return "__default-Undead";
              case "__default-Snake":
                return "__default-Beast";
              case "__default-Sun":
                return "__default-Cleric";
              case "__default-Swords":
                return "__default-Fighter";
              case "__default-Tree":
                return "__default-Plant";
              case "__default-Triangle":
                return "__default-Sorcerer";
              default:
                return "__default-Fighter";
            }
          }
          for (let stateId in state.tokens) {
            state.tokens[stateId].tokenId = mapTokenId(
              state.tokens[stateId].tokenId
            );
            state.tokens[stateId].lastEditedBy = "";
            state.tokens[stateId].rotation = 0;
          }
        });
    });
  // v1.3.1 - Added show grid option
  db.version(4)
    .stores({})
    .upgrade((tx) => {
      return tx
        .table("maps")
        .toCollection()
        .modify((map) => {
          map.showGrid = false;
        });
    });
}

// Get the dexie database used in DatabaseContext
export function getDatabase(options) {
  let db = new Dexie("OwlbearRodeoDB", options);
  loadVersions(db);
  return db;
}