src/store/file-uploader/file-uploader-reducer.ts

   1 // Copyright (C) The Arvados Authors. All rights reserved.
   2 //
   3 // SPDX-License-Identifier: AGPL-3.0
   4
   5 import { UploadFile, fileUploaderActions, FileUploaderAction } from "./file-uploader-actions";
   6 import * as _ from 'lodash';
   7
   8 export type UploaderState = UploadFile[];
   9
  10 const initialState: UploaderState = [];
  11
  12 export const fileUploaderReducer = (state: UploaderState = initialState, action: FileUploaderAction) => {
  13     return fileUploaderActions.match(action, {
  14         SET_UPLOAD_FILES: files => files.map((f, idx) => ({
  15             id: idx,
  16             file: f,
  17             prevLoaded: 0,
  18             loaded: 0,
  19             total: 0,
  20             startTime: 0,
  21             prevTime: 0,
  22             currentTime: 0
  23         })),
  24         UPDATE_UPLOAD_FILES: files => {
  25             const updateFiles = files.map((f, idx) => ({
  26                 id: state.length + idx,
  27                 file: f,
  28                 prevLoaded: 0,
  29                 loaded: 0,
  30                 total: 0,
  31                 startTime: 0,
  32                 prevTime: 0,
  33                 currentTime: 0
  34             }));
  35             const updatedState = state.concat(updateFiles);
  36             const uniqUpdatedState = _.uniqBy(updatedState, 'file.name');
  37
  38             return uniqUpdatedState;
  39         },
  40         START_UPLOAD: () => {
  41             const startTime = Date.now();
  42             return state.map(f => ({ ...f, startTime, prevTime: startTime }));
  43         },
  44         SET_UPLOAD_PROGRESS: ({ fileId, loaded, total, currentTime }) =>
  45             state.map(f => f.id === fileId ? {
  46                 ...f,
  47                 prevLoaded: f.loaded,
  48                 loaded,
  49                 total,
  50                 prevTime: f.currentTime,
  51                 currentTime
  52             } : f),
  53         CLEAR_UPLOAD: () => [],
  54         default: () => state
  55     });
  56 };