'use strict';
|
|
const ERR_MSG_OK = 'chooseAndUploadFile:ok';
|
const ERR_MSG_FAIL = 'chooseAndUploadFile:fail';
|
|
function chooseImage(opts) {
|
const {
|
count,
|
sizeType = ['original', 'compressed'],
|
sourceType = ['album', 'camera'],
|
extension
|
} = opts
|
return new Promise((resolve, reject) => {
|
uni.chooseImage({
|
count,
|
sizeType,
|
sourceType,
|
extension,
|
success(res) {
|
resolve(normalizeChooseAndUploadFileRes(res, 'image'));
|
},
|
fail(res) {
|
reject({
|
errMsg: res.errMsg.replace('chooseImage:fail', ERR_MSG_FAIL),
|
});
|
},
|
});
|
});
|
}
|
|
function chooseVideo(opts) {
|
const {
|
camera,
|
compressed,
|
maxDuration,
|
sourceType = ['album', 'camera'],
|
extension
|
} = opts;
|
return new Promise((resolve, reject) => {
|
uni.chooseVideo({
|
camera,
|
compressed,
|
maxDuration,
|
sourceType,
|
extension,
|
success(res) {
|
const {
|
tempFilePath,
|
duration,
|
size,
|
height,
|
width
|
} = res;
|
resolve(normalizeChooseAndUploadFileRes({
|
errMsg: 'chooseVideo:ok',
|
tempFilePaths: [tempFilePath],
|
tempFiles: [
|
{
|
name: (res.tempFile && res.tempFile.name) || '',
|
path: tempFilePath,
|
size,
|
type: (res.tempFile && res.tempFile.type) || '',
|
width,
|
height,
|
duration,
|
fileType: 'video',
|
cloudPath: '',
|
}, ],
|
}, 'video'));
|
},
|
fail(res) {
|
reject({
|
errMsg: res.errMsg.replace('chooseVideo:fail', ERR_MSG_FAIL),
|
});
|
},
|
});
|
});
|
}
|
|
function chooseAll(opts) {
|
const {
|
count,
|
extension
|
} = opts;
|
return new Promise((resolve, reject) => {
|
let chooseFile = uni.chooseFile;
|
if (typeof wx !== 'undefined' &&
|
typeof wx.chooseMessageFile === 'function') {
|
chooseFile = wx.chooseMessageFile;
|
}
|
if (typeof chooseFile !== 'function') {
|
return reject({
|
errMsg: ERR_MSG_FAIL + ' 请指定 type 类型，该平台仅支持选择 image 或 video。',
|
});
|
}
|
chooseFile({
|
type: 'all',
|
count,
|
extension,
|
success(res) {
|
resolve(normalizeChooseAndUploadFileRes(res));
|
},
|
fail(res) {
|
reject({
|
errMsg: res.errMsg.replace('chooseFile:fail', ERR_MSG_FAIL),
|
});
|
},
|
});
|
});
|
}
|
|
function normalizeChooseAndUploadFileRes(res, fileType) {
|
res.tempFiles.forEach((item, index) => {
|
if (!item.name) {
|
item.name = item.path.substring(item.path.lastIndexOf('/') + 1);
|
}
|
if (fileType) {
|
item.fileType = fileType;
|
}
|
item.cloudPath =
|
Date.now() + '_' + index + item.name.substring(item.name.lastIndexOf('.'));
|
});
|
if (!res.tempFilePaths) {
|
res.tempFilePaths = res.tempFiles.map((file) => file.path);
|
}
|
return res;
|
}
|
|
function uploadCloudFiles(files, max = 5, onUploadProgress) {
|
files = JSON.parse(JSON.stringify(files))
|
const len = files.length
|
let count = 0
|
let self = this
|
return new Promise(resolve => {
|
while (count < max) {
|
next()
|
}
|
|
function next() {
|
let cur = count++
|
if (cur >= len) {
|
!files.find(item => !item.url && !item.errMsg) && resolve(files)
|
return
|
}
|
const fileItem = files[cur]
|
const index = self.files.findIndex(v => v.uuid === fileItem.uuid)
|
fileItem.url = ''
|
delete fileItem.errMsg
|
|
uniCloud
|
.uploadFile({
|
filePath: fileItem.path,
|
cloudPath: fileItem.cloudPath,
|
fileType: fileItem.fileType,
|
onUploadProgress: res => {
|
res.index = index
|
onUploadProgress && onUploadProgress(res)
|
}
|
})
|
.then(res => {
|
fileItem.url = res.fileID
|
fileItem.index = index
|
if (cur < len) {
|
next()
|
}
|
})
|
.catch(res => {
|
fileItem.errMsg = res.errMsg || res.message
|
fileItem.index = index
|
if (cur < len) {
|
next()
|
}
|
})
|
}
|
})
|
}
|
|
|
|
|
|
function uploadFiles(choosePromise, {
|
onChooseFile,
|
onUploadProgress
|
}) {
|
return choosePromise
|
.then((res) => {
|
if (onChooseFile) {
|
const customChooseRes = onChooseFile(res);
|
if (typeof customChooseRes !== 'undefined') {
|
return Promise.resolve(customChooseRes).then((chooseRes) => typeof chooseRes === 'undefined' ?
|
res : chooseRes);
|
}
|
}
|
return res;
|
})
|
.then((res) => {
|
if (res === false) {
|
return {
|
errMsg: ERR_MSG_OK,
|
tempFilePaths: [],
|
tempFiles: [],
|
};
|
}
|
return res
|
})
|
}
|
|
function chooseAndUploadFile(opts = {
|
type: 'all'
|
}) {
|
if (opts.type === 'image') {
|
return uploadFiles(chooseImage(opts), opts);
|
}
|
else if (opts.type === 'video') {
|
return uploadFiles(chooseVideo(opts), opts);
|
}
|
return uploadFiles(chooseAll(opts), opts);
|
}
|
|
export {
|
chooseAndUploadFile,
|
uploadCloudFiles
|
};
|
