2020-07-14 00:12:41 +00:00

102 lines
2.6 KiB
JavaScript

import Vue from 'vue'
import { files as api } from '@/api'
import throttle from 'lodash.throttle'
import buttons from '@/utils/buttons'
const UPLOADS_LIMIT = 5;
const state = {
id: 0,
size: 0,
progress: [],
queue: [],
uploads: {}
}
const mutations = {
setProgress(state, { id, loaded }) {
Vue.set(state.progress, id, loaded)
},
reset: (state) => {
state.id = 0
state.size = 0
state.progress = []
},
addJob: (state, item) => {
state.queue.push(item)
state.size += item.file.size
state.id++
},
moveJob(state) {
const item = state.queue[0]
state.queue.shift()
Vue.set(state.uploads, item.id, item)
},
removeJob(state, id) {
delete state.uploads[id]
}
}
const beforeUnload = (event) => {
event.preventDefault()
event.returnValue = ''
}
const actions = {
upload: (context, item) => {
let uploadsCount = Object.keys(context.state.uploads).length;
let isQueueEmpty = context.state.queue.length == 0
let isUploadsEmpty = uploadsCount == 0
if (isQueueEmpty && isUploadsEmpty) {
window.addEventListener('beforeunload', beforeUnload)
buttons.loading('upload')
}
context.commit('addJob', item)
context.dispatch('processUploads')
},
finishUpload: (context, item) => {
context.commit('setProgress', { id: item.id, loaded: item.file.size })
context.commit('removeJob', item.id)
context.dispatch('processUploads')
},
processUploads: async (context) => {
let uploadsCount = Object.keys(context.state.uploads).length;
let isBellowLimit = uploadsCount < UPLOADS_LIMIT
let isQueueEmpty = context.state.queue.length == 0
let isUploadsEmpty = uploadsCount == 0
let isFinished = isQueueEmpty && isUploadsEmpty
let canProcess = isBellowLimit && !isQueueEmpty
if (isFinished) {
window.removeEventListener('beforeunload', beforeUnload)
buttons.success('upload')
context.commit('reset')
context.commit('setReload', true, { root: true })
}
if (canProcess) {
const item = context.state.queue[0];
context.commit('moveJob')
if (item.file.isDir) {
await api.post(item.path).catch(Vue.prototype.$showError)
} else {
let onUpload = throttle(
(event) => context.commit('setProgress', { id: item.id, loaded: event.loaded }),
100, { leading: true, trailing: false }
)
await api.post(item.path, item.file, item.overwrite, onUpload).catch(Vue.prototype.$showError)
}
context.dispatch('finishUpload', item)
}
}
}
export default { state, mutations, actions, namespaced: true }