/// <summary>
/// 照片上传
/// </summary>
/// <param name="photo">照片对象</param>
/// <param name="file">需上传的文件</param>
private void UploadPhoto(Photo photo, HttpPostedFileBase file)
{
if (file == null)
{
throw new ExceptionFacade("请上传文件");
}
TenantAttachmentSettings tenantAttachmentSettings = TenantAttachmentSettings.GetRegisteredSettings(TenantTypeIds.Instance().Photo());
//验证图片类型
if (!tenantAttachmentSettings.ValidateFileExtensions(file.FileName))
{
throw new ExceptionFacade(string.Format("只允许上传后缀名为{0}的文件", tenantAttachmentSettings.AllowedFileExtensions));
}
//验证图片大小
if (!tenantAttachmentSettings.ValidateFileLength(file.ContentLength))
{
throw new ExceptionFacade(string.Format("文件大小不允许超过{0}", tenantAttachmentSettings.MaxAttachmentLength));
}
IStoreProvider storeProvider = DIContainer.ResolveNamed <IStoreProvider>(tenantAttachmentSettings.StoreProviderName);
//根据AlbumId生成图片存储路径和新的文件名
string idString = photo.AlbumId.ToString().PadLeft(15, '0');
string relativePath = storeProvider.JoinDirectory(tenantAttachmentSettings.TenantAttachmentDirectory, idString.Substring(0, 5), idString.Substring(5, 5), idString.Substring(10, 5));
string extension = file.FileName.Substring(file.FileName.LastIndexOf('.') + 1).ToLower();
string fileName = string.Format("{0}.{1}", Guid.NewGuid().ToString("N"), extension);
//上传原始图片
using (Stream stream = file.InputStream)
{
storeProvider.AddOrUpdateFile(relativePath, fileName, stream);
if (extension != "gif")
{
//根据设置生成不同尺寸的图片
if (tenantAttachmentSettings.ImageSizeTypes != null)
{
foreach (var imageSizeType in tenantAttachmentSettings.ImageSizeTypes)
{
Stream resizedStream = ImageProcessor.Resize(stream, imageSizeType.Size.Width, imageSizeType.Size.Height, imageSizeType.ResizeMethod);
storeProvider.AddOrUpdateFile(relativePath, storeProvider.GetSizeImageName(fileName, imageSizeType.Size, imageSizeType.ResizeMethod), resizedStream);
if (resizedStream != stream)
{
resizedStream.Dispose();
}
}
}
}
}
photo.RelativePath = relativePath + "\\" + fileName;
}
/// <summary>
/// 根据用户自己选择的尺寸及位置进行头像裁剪
/// </summary>
/// <param name="userId">用户Id</param>
/// <param name="srcWidth">需裁剪的宽度</param>
/// <param name="srcHeight">需裁剪的高度</param>
/// <param name="srcX">需裁剪的左上角点坐标</param>
/// <param name="srcY">需裁剪的左上角点坐标</param>
public static void CropAvatar(this IUserService userService, long userId, float srcWidth, float srcHeight, float srcX, float srcY)
{
IStoreProvider storeProvider = DIContainer.Resolve <IStoreProvider>();
IStoreFile iStoreFile = storeProvider.GetFile(GetAvatarRelativePath(userId), GetAvatarFileName(userId, AvatarSizeType.Original));
if (iStoreFile == null)
{
return;
}
User user = GetFullUser(userService, userId);
if (user == null)
{
return;
}
bool isFirst = !(user.Profile.IsUploadedAvatar);
string avatarRelativePath = GetAvatarRelativePath(userId).Replace(Path.DirectorySeparatorChar, '/');
avatarRelativePath = avatarRelativePath.Substring(AvatarDirectory.Length + 1);
user.Avatar = avatarRelativePath + "/" + userId;
IUserRepository userRepository = userService.GetUserRepository();
userRepository.UpdateAvatar(user, user.Avatar);
UserProfileSettings userProfileSettings = DIContainer.Resolve <ISettingsManager <UserProfileSettings> >().Get();
using (Stream fileStream = iStoreFile.OpenReadStream())
{
Stream bigImage = ImageProcessor.Crop(fileStream, new Rectangle((int)srcX, (int)srcY, (int)srcWidth, (int)srcHeight), userProfileSettings.AvatarWidth, userProfileSettings.AvatarHeight);
Stream smallImage = ImageProcessor.Resize(bigImage, userProfileSettings.SmallAvatarWidth, userProfileSettings.SmallAvatarHeight, ResizeMethod.KeepAspectRatio);
storeProvider.AddOrUpdateFile(GetAvatarRelativePath(userId), GetAvatarFileName(userId, AvatarSizeType.Big), bigImage);
storeProvider.AddOrUpdateFile(GetAvatarRelativePath(userId), GetAvatarFileName(userId, AvatarSizeType.Small), smallImage);
bigImage.Dispose();
smallImage.Dispose();
fileStream.Close();
}
//触发用户更新头像事件
EventBus <User, CropAvatarEventArgs> .Instance().OnAfter(user, new CropAvatarEventArgs(isFirst));
if (isFirst)
{
user.Profile.IsUploadedAvatar = true;
new UserProfileService().Update(user.Profile);
}
}
/// <summary>
/// 上传头像
/// </summary>
/// <param name="userId">用户ID</param>
/// <param name="postedFile">上传的二进制头像文件</param>
public static void UploadOriginalAvatar(this IUserService userService, long userId, Stream postedFile)
{
if (postedFile == null)
{
return;
}
Image image = Image.FromStream(postedFile);
IUserProfileSettingsManager userProfileSettingsManager = DIContainer.Resolve <IUserProfileSettingsManager>();
UserProfileSettings userProfileSettings = userProfileSettingsManager.GetUserProfileSettings();
//检查是否需要缩放原图
if (image.Height > userProfileSettings.OriginalAvatarHeight || image.Width > userProfileSettings.OriginalAvatarWidth)
{
postedFile = ImageProcessor.Resize(postedFile, userProfileSettings.OriginalAvatarWidth, userProfileSettings.OriginalAvatarHeight, ResizeMethod.KeepAspectRatio);
}
string relativePath = GetAvatarRelativePath(userId);
IStoreProvider storeProvider = DIContainer.Resolve <IStoreProvider>();
storeProvider.AddOrUpdateFile(relativePath, GetAvatarFileName(userId, AvatarSizeType.Original), postedFile);
postedFile.Dispose();
//1、如果原图超过一定尺寸（可以配置宽高像素值）则原图保留前先缩小（原图如果太大，裁剪时不方便操作）再保存
}
/// <summary>
/// 上传背景图片
/// </summary>
/// <param name="presentAreaKey">呈现区域标识</param>
/// <param name="ownerId">OwnerId</param>
/// <param name="postedFile">上传的图片文件流</param>
public void UploadBackgroundImage(string presentAreaKey, long ownerId, Stream postedFile)
{
if (postedFile == null)
{
return;
}
IStoreProvider storeProvider = DIContainer.Resolve <IStoreProvider>();
storeProvider.AddOrUpdateFile(GetBackgroundImageRelativePath(presentAreaKey, ownerId), GetBackgroundImageFileName(ownerId), postedFile);
postedFile.Dispose();
}
/// <summary>
/// 设置不同尺寸的用户头像
/// </summary>
/// <param name="userId"></param>
private void SetUserAvatars(long userId)
{
IStoreFile iStoreFile = storeProvider.GetFile(GetRelativePathById(userId, "Avatars"), userId + "_big.jpg");
if (iStoreFile == null)
{
return;
}
using (Stream fileStream = iStoreFile.OpenReadStream())
{
Stream bigImage = ImageProcessor.Crop(fileStream, new Rectangle(0, 0, 160, 160), 160, 160);
Stream smallImage = ImageProcessor.Resize(bigImage, 50, 50, ResizeMethod.KeepAspectRatio);
storeProvider.AddOrUpdateFile(GetRelativePathById(userId, "Avatars"), userId + ".jpg", smallImage);
bigImage.Dispose();
smallImage.Dispose();
fileStream.Close();
}
}
