public async Task <ActionResult <ResponseWrapper> > GetShareDataAsync([FromQuery] string s, [FromQuery] string t, [FromQuery] string k, [FromQuery] bool c, [FromQuery] PagingParameters pagingParameters)
{
PagedList <PostViewModel> posts = null;
var descryptedStr = Encryptor.DecryptDES(s, _decryptKey, _decryptKey);
if (descryptedStr != s)
{
var shareInfo = JsonConvert.DeserializeObject <ShareInfo>(descryptedStr);
_logger.LogInformation("GetShareDataAsync: {@ShareInfo}", shareInfo);
// 优先搜索加密对象中的分类，若其无值，则搜索url参数中的分类
// 其场景是：客户端可以分享三种类型，1. 单个帖子，2. 帖子分类，3. 用户的全部帖子
// 当分享的是第三种时，加密对象中只有用户id（帖子id和帖子分类为空）
// 在网页上查看分享时，对与第三种可以选择帖子分类来筛选，选择的分类通过url参数privateTag传上来
if (string.IsNullOrWhiteSpace(shareInfo.PrivateTag))
{
shareInfo.PrivateTag = t;
}
if (shareInfo.UserId != Guid.Empty && CheckShareTime(shareInfo.Timestamp))
{
if (shareInfo.PostId != Guid.Empty)
{
_logger.LogInformation("GetShareDataAsync: single post");
// 统计访问次数
if (c)
{
await UpdateUserShareAsync(shareInfo.UserId, shareInfo.PostId, null);
}
// get share data and return
var post = await _postQueries.GetSharedPostAsync(shareInfo.PostId, shareInfo.UserId);
posts = new PagedList <PostViewModel>(new List <PostViewModel> {
post
}, 1, new PagingParameters {
PageNumber = 1, PageSize = 1
});
return(Ok(PagedResponseWrapper.CreateOkPagedResponseWrapper(posts)));
}
else if (!string.IsNullOrWhiteSpace(shareInfo.PrivateTag))
{
_logger.LogInformation("GetShareDataAsync: tag posts");
// 统计访问次数
if (c)
{
await UpdateUserShareAsync(shareInfo.UserId, null, shareInfo.PrivateTag);
}
// get share data and return
posts = await _postQueries.GetSharedPostsAsync(shareInfo.PrivateTag, shareInfo.UserId, k, pagingParameters);
return(Ok(PagedResponseWrapper.CreateOkPagedResponseWrapper(posts)));
}
else
{
_logger.LogInformation("GetShareDataAsync: user posts");
// 统计访问次数
if (c)
{
await UpdateUserShareAsync(shareInfo.UserId, null, null);
}
// get share data and return
posts = await _postQueries.GetSharedPostsAsync(shareInfo.UserId, k, pagingParameters);
return(Ok(PagedResponseWrapper.CreateOkPagedResponseWrapper(posts)));
}
}
}
return(new ObjectResult(ResponseWrapper.CreateErrorResponseWrapper((StatusCode)HttpStatusCode.BadRequest, "分享的帖子不存在或已过期")));
}