/// <summary>
/// 上传图片至OneDrive
/// </summary>
/// <param name="image">图片文件</param>
/// <returns></returns>
public async Task <OneDriveImage> UploadImage(StorageFile image, OneDriveImageGroup group)
{
if (_appFolder == null)
{
throw new UnauthorizedAccessException("You need to complete OneDrive authorization before you can upload the image");
}
var imageFolder = await GetImgSaveFolder();
var per = await image.GetBasicPropertiesAsync();
string fileId = "";
string name = "";
string extension = Path.GetExtension(image.Path);
bool isAutoRename = Convert.ToBoolean(AppTools.GetLocalSetting(AppSettings.AutoRename, "True"));
string fileName = isAutoRename ? Guid.NewGuid() + extension : image.Name.Trim();
OneDriveStorageFile cre = null;
try
{
// 这里要对文件大小进行判断，以4MB为分水岭，需要用不同的办法上传
if (per.Size < 4 * 1024 * 1024)
{
using (var stream = await image.OpenReadAsync())
{
cre = await imageFolder.StorageFolderPlatformService.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting, stream);
fileId = cre.OneDriveItem.Id;
name = cre.OneDriveItem.Name;
}
}
else
{
using (var stream = await image.OpenReadAsync())
{
cre = await imageFolder.StorageFolderPlatformService.UploadFileAsync(fileName, stream, CreationCollisionOption.ReplaceExisting, 320 * 1024);
fileId = cre.OneDriveItem.Id;
name = cre.OneDriveItem.Name;
}
}
string link = LinkConvert(fileId);
var item = new OneDriveImage(name, await AppTools.ConvertFileToImage(image), group, link, fileId);
return(item);
}
catch (Exception)
{
return(null);
}
}
public async void FileUpload(List <StorageFile> imgList)
{
if (imgList.Count > 0)
{
// 弹出组选择框
var groupDialog = new GroupDialog();
groupDialog.PrimaryButtonClick += async(_s, _e) =>
{
// 选定分组后，上传图片
if (groupDialog.SelectGroup != null)
{
var errorFile = new List <StorageFile>();
UploadInfoCollection.Clear();
UploadProgressCollection.Clear();
var imgItemList = new List <OneDriveImage>();
var imgTemp = await AppTools.ConvertFileToImage(imgList[0]);
// 如果仅一张图片上传，则显示该图片的分辨率、大小等信息
if (imgList.Count == 1)
{
var fileInfo = await imgList[0].GetBasicPropertiesAsync();
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("RP"), imgTemp.PixelWidth + "x" + imgTemp.PixelHeight));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("ImageSize"), Math.Round((fileInfo.Size / (1024.0 * 1024.0)), 1) + "M"));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("ImageType"), Path.GetExtension(imgList[0].Path).Substring(1).ToUpper()));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("CreateDate"), fileInfo.DateModified.ToString("yyyy/MM/dd")));
}
// 如果有多张图片上传，则显示总览信息
else
{
double size = 0;
foreach (var item in imgList)
{
var fileInfo = await item.GetBasicPropertiesAsync();
size += Math.Round((fileInfo.Size / (1024.0 * 1024.0)), 1);
}
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("ImageCount"), imgList.Count.ToString()));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("GroupName"), groupDialog.SelectGroup.GroupName));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("AllSize"), size + "M"));
}
// 将上传列表的第一张图片作为上传区域背景
var backBrush = new ImageBrush();
backBrush.Stretch = Stretch.UniformToFill;
backBrush.ImageSource = imgTemp;
UploadArea.Background = backBrush;
// 隐藏上传提示字符
UploadAreaHold.Visibility = Visibility.Collapsed;
double uploadColumnWidth = UploadColumn.ActualWidth - 30;
// 根据上传信息显示的数目来确定单一信息所占区域大小
UploadInfoWidth = uploadColumnWidth / UploadInfoCollection.Count;
// 装载进度条
for (int i = 0; i < imgList.Count; i++)
{
var item = imgList[i];
UploadProgressCollection.Add(new ProgressStatus(i + 1, item.DisplayName));
}
// 开始逐一上传图片
foreach (var item in imgList)
{
var img = await App.OneDriveTools.UploadImage(item, groupDialog.SelectGroup);
// 图片若上传错误，则加入错误文件列表中
if (img == null)
{
errorFile.Add(item);
}
// 否则，写入成功列表
else
{
imgItemList.Add(img);
LastestImageCollection.Insert(0, img);
if (LastestNoDataTipBlock.Visibility == Visibility.Visible)
{
LastestNoDataTipBlock.Visibility = Visibility.Collapsed;
LastestListView.Visibility = Visibility.Visible;
}
for (int j = UploadProgressCollection.Count - 1; j >= 0; j--)
{
if (UploadProgressCollection[j].Name.Replace($"[{j + 1}] ", "") == item.DisplayName)
{
UploadProgressCollection.RemoveAt(j);
}
}
}
}
// 所有任务上传完成，清空背景，加入占位符
var res = App.Current.RequestedTheme == ApplicationTheme.Dark ? (ResourceDictionary)App.Current.Resources.ThemeDictionaries["Dark"] : (ResourceDictionary)App.Current.Resources.ThemeDictionaries["Light"];
var color = (SolidColorBrush)res["MainBackground"];
UploadArea.Background = color;
UploadAreaHold.Visibility = Visibility.Visible;
// 恢复默认上传信息
UploadInfoCollection.Clear();
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("DefaultUploadInfoTitle"), AppTools.GetReswLanguage("None")));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("ImageSize"), AppTools.GetReswLanguage("None")));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("ImageType"), AppTools.GetReswLanguage("None")));
UploadInfoCollection.Add(new KeyValue(AppTools.GetReswLanguage("CreateDate"), AppTools.GetReswLanguage("None")));
UploadInfoWidth = uploadColumnWidth / UploadInfoCollection.Count;
// 清除上传进度条
UploadProgressCollection.Clear();
// 当成功列表中有数据时，显示成功数目，并将成功上传的图片反映在UI上
if (imgItemList.Any())
{
int num = await App.OneDriveTools.AddImageToDatabase(App.Db, imgItemList);
string msg = AppTools.GetReswLanguage("AddImageSuccess").Replace("{count}", num.ToString());
var tipDialog = new TipDialog(AppTools.GetReswLanguage("AddSuccessTitle"), msg);
await tipDialog.ShowAsync();
AppTools.WriteLocalSetting(AppSettings.SelectGroupIndex, groupDialog.SelectGroup.GroupId);
GroupInit(groupDialog.SelectGroup);
}
// 如果错误列表中有数据，则提醒用户
if (errorFile.Any())
{
int num = errorFile.Count;
string msg = AppTools.GetReswLanguage("AddImageFailed").Replace("{count}", num.ToString());
var tipDialog = new TipDialog(AppTools.GetReswLanguage("AddFailTitle"), msg);
await tipDialog.ShowAsync();
}
}
};
await groupDialog.ShowAsync();
}
}