/// <summary>
/// 创建 <see cref="MissivePage"/>
/// </summary>
/// <param name="currentUserId">当前登录用户 ID</param>
/// <param name="dbContext"><see cref="KeylolDbContext"/></param>
/// <param name="cachedData"><see cref="CachedDataProvider"/></param>
/// <returns><see cref="MissivePage"/></returns>
public static async Task <MissivePage> CreateAsync(string currentUserId, KeylolDbContext dbContext,
CachedDataProvider cachedData)
{
var messages = await PostOfficeMessageList.CreateAsync(typeof(MissivePage), currentUserId, 1, true,
dbContext, cachedData);
return(new MissivePage
{
MessagePageCount = messages.Item2,
Messages = messages.Item1
});
}
/// <summary>
/// 获取公函消息列表
/// </summary>
/// <param name="page">分页页码</param>
/// <param name="dbContext"><see cref="KeylolDbContext"/></param>
/// <param name="cachedData"><see cref="CachedDataProvider"/></param>
/// <returns><see cref="PostOfficeMessageList"/></returns>
public static async Task <PostOfficeMessageList> GetMessages(int page, [Injected] KeylolDbContext dbContext,
[Injected] CachedDataProvider cachedData)
{
return((await PostOfficeMessageList.CreateAsync(typeof(MissivePage), StateTreeHelper.GetCurrentUserId(),
page, false, dbContext, cachedData)).Item1);
}
/// <summary>
/// 创建 <see cref="PostOfficeMessageList"/>
/// </summary>
/// <param name="pageType">邮政页面类型</param>
/// <param name="currentUserId">当前登录用户 ID</param>
/// <param name="page">分页页码</param>
/// <param name="returnPageCount">是否返回总页数</param>
/// <param name="dbContext"><see cref="KeylolDbContext"/></param>
/// <param name="cachedData"><see cref="CachedDataProvider"/></param>
/// <returns>Item1 表示 <see cref="PostOfficeMessageList"/>，Item2 表示总页数</returns>
public static async Task <Tuple <PostOfficeMessageList, int> > CreateAsync(Type pageType, string currentUserId,
int page, bool returnPageCount, KeylolDbContext dbContext, CachedDataProvider cachedData)
{
Expression <Func <Message, bool> > condition;
if (pageType == typeof(UnreadPage))
{
condition = m => m.ReceiverId == currentUserId;
}
else if (pageType == typeof(CommentPage))
{
condition = m => m.ReceiverId == currentUserId && (int)m.Type >= 100 && (int)m.Type <= 199;
}
else if (pageType == typeof(LikePage))
{
condition = m => m.ReceiverId == currentUserId && m.Type >= 0 && (int)m.Type <= 99;
}
else if (pageType == typeof(SubscriberPage))
{
condition = m => m.ReceiverId == currentUserId && (int)m.Type >= 300 && (int)m.Type <= 399;
}
else if (pageType == typeof(MissivePage))
{
condition = m => m.ReceiverId == currentUserId && (int)m.Type >= 200 && (int)m.Type <= 299;
}
else
{
throw new ArgumentOutOfRangeException(nameof(pageType));
}
var messages = await dbContext.Messages.Include(m => m.Article)
.Include(m => m.Article.Author)
.Include(m => m.Activity)
.Include(m => m.Activity.Author)
.Include(m => m.Operator)
.Include(m => m.ArticleComment)
.Include(m => m.ArticleComment.Article)
.Include(m => m.ArticleComment.Article.Author)
.Include(m => m.ActivityComment)
.Include(m => m.ActivityComment.Activity)
.Include(m => m.ActivityComment.Activity.Author)
.Where(condition)
.OrderByDescending(m => m.Unread)
.ThenByDescending(m => m.Sid)
.TakePage(page, RecordsPerPage)
.ToListAsync();
var result = new PostOfficeMessageList(messages.Count);
var markReadCount = 0;
foreach (var m in messages)
{
var item = new PostOfficeMessage
{
Type = m.Type,
CreateTime = m.CreateTime,
Unread = m.Unread
};
if (m.Type.IsMissiveMessage())
{
item.Id = m.Id;
}
else
{
item.OperatorIdCode = m.Operator.IdCode;
item.OperatorAvatarImage = m.Operator.AvatarImage;
item.OperatorUserName = m.Operator.UserName;
}
if (!string.IsNullOrWhiteSpace(m.Reasons))
{
item.Reasons =
m.Reasons.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToList();
}
if (m.ArticleId != null)
{
item.ArticleAuthorIdCode = m.Article.Author.IdCode;
item.ArticleSidForAuthor = m.Article.SidForAuthor;
item.ArticleTitle = CollapleArticleTitle(m.Article.Title);
}
else if (m.ActivityId != null)
{
item.ActivityAuthorIdCode = m.Activity.Author.IdCode;
item.ActivitySidForAuthor = m.Activity.SidForAuthor;
item.ActivityContent = CollapseActivityContent(m.Activity);
}
else if (m.ArticleCommentId != null)
{
item.CommentContent = CollapseCommentContent(m.ArticleComment.UnstyledContent);
item.CommentSidForParent = m.ArticleComment.SidForArticle;
item.ArticleAuthorIdCode = m.ArticleComment.Article.Author.IdCode;
item.ArticleSidForAuthor = m.ArticleComment.Article.SidForAuthor;
item.ArticleTitle = CollapleArticleTitle(m.ArticleComment.Article.Title);
}
else if (m.ActivityCommentId != null)
{
item.CommentContent = CollapseCommentContent(m.ActivityComment.Content);
item.CommentSidForParent = m.ActivityComment.SidForActivity;
item.ActivityAuthorIdCode = m.ActivityComment.Activity.Author.IdCode;
item.ActivitySidForAuthor = m.ActivityComment.Activity.SidForAuthor;
item.ActivityContent = CollapseActivityContent(m.ActivityComment.Activity);
}
if (m.Count > 0)
{
item.Count = m.Count;
}
if (m.SecondCount > 0)
{
item.SecondCount = m.SecondCount;
}
result.Add(item);
if (m.Unread)
{
m.Unread = false;
markReadCount++;
}
}
await dbContext.SaveChangesAsync(KeylolDbContext.ConcurrencyStrategy.ClientWin);
await cachedData.Messages.IncreaseUserUnreadMessageCountAsync(currentUserId, -markReadCount);
NotificationProvider.Hub <MessageHub, IMessageHubClient>().User(currentUserId)?
.OnUnreadCountChanged(await cachedData.Messages.GetUserUnreadMessageCountAsync(currentUserId));
var pageCount = 1;
if (returnPageCount)
{
var totalCount = await dbContext.Messages.CountAsync(condition);
pageCount = totalCount > 0 ? (int)Math.Ceiling(totalCount / (double)RecordsPerPage) : 1;
}
return(new Tuple <PostOfficeMessageList, int>(result, pageCount));
}
