public async Task DeleteAsync(DeleteForum command)
{
var forum = await _dbContext.Forums
.FirstOrDefaultAsync(x =>
x.Category.SiteId == command.SiteId &&
x.Id == command.Id &&
x.Status != ForumStatusType.Deleted);
if (forum == null)
{
throw new DataException($"Forum with Id {command.Id} not found.");
}
forum.Delete();
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Deleted,
typeof(Forum),
forum.Id));
await ReorderForumsInCategory(forum.CategoryId, command.Id, command.SiteId, command.UserId);
await _dbContext.SaveChangesAsync();
_cacheManager.Remove(CacheKeys.Forum(forum.Id));
_cacheManager.Remove(CacheKeys.Categories(command.SiteId));
_cacheManager.Remove(CacheKeys.CurrentForums(command.SiteId));
}
public async Task UpdateAsync(UpdateCategory command)
{
await _updateValidator.ValidateCommandAsync(command);
var category = await _dbContext.Categories
.FirstOrDefaultAsync(x =>
x.SiteId == command.SiteId &&
x.Id == command.Id &&
x.Status != StatusType.Deleted);
if (category == null)
{
throw new DataException($"Category with Id {command.Id} not found.");
}
category.UpdateDetails(command.Name, command.PermissionSetId);
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Updated,
typeof(Category),
category.Id,
new
{
category.Name,
category.PermissionSetId
}));
await _dbContext.SaveChangesAsync();
_cacheManager.Remove(CacheKeys.Categories(command.SiteId));
_cacheManager.Remove(CacheKeys.CurrentForums(command.SiteId));
}
public async Task CreateAsync(CreateCategory command)
{
await _createValidator.ValidateCommandAsync(command);
var categoriesCount = await _dbContext.Categories
.Where(x => x.SiteId == command.SiteId && x.Status != StatusType.Deleted)
.CountAsync();
var sortOrder = categoriesCount + 1;
var category = new Category(command.Id,
command.SiteId,
command.Name,
sortOrder,
command.PermissionSetId);
_dbContext.Categories.Add(category);
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Created,
typeof(Category),
category.Id,
new
{
category.Name,
category.PermissionSetId,
category.SortOrder
}));
await _dbContext.SaveChangesAsync();
_cacheManager.Remove(CacheKeys.Categories(command.SiteId));
_cacheManager.Remove(CacheKeys.CurrentForums(command.SiteId));
}
public async Task DeleteAsync(DeleteCategory command)
{
var category = await _dbContext.Categories
.Include(x => x.Forums)
.FirstOrDefaultAsync(x =>
x.SiteId == command.SiteId &&
x.Id == command.Id &&
x.Status != StatusType.Deleted);
if (category == null)
{
throw new DataException($"Category with Id {command.Id} not found.");
}
category.Delete();
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Deleted,
typeof(Category),
category.Id));
var otherCategories = await _dbContext.Categories
.Where(x =>
x.SiteId == command.SiteId &&
x.Id != command.Id &&
x.Status != StatusType.Deleted)
.ToListAsync();
for (int i = 0; i < otherCategories.Count; i++)
{
otherCategories[i].Reorder(i + 1);
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Reordered,
typeof(Category),
otherCategories[i].Id,
new
{
otherCategories[i].SortOrder
}));
}
foreach (var forum in category.Forums)
{
forum.Delete();
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Deleted,
typeof(Forum),
forum.Id));
}
await _dbContext.SaveChangesAsync();
_cacheManager.Remove(CacheKeys.Categories(command.SiteId));
_cacheManager.Remove(CacheKeys.CurrentForums(command.SiteId));
}
public async Task CreateAsync(CreateForum command)
{
await _createValidator.ValidateCommandAsync(command);
var forumsCount = await _dbContext.Forums
.Where(x => x.CategoryId == command.CategoryId && x.Status != ForumStatusType.Deleted)
.CountAsync();
var sortOrder = forumsCount + 1;
var forum = new Forum(command.Id,
command.CategoryId,
command.Name,
command.Slug,
command.Description,
sortOrder,
command.PermissionSetId);
_dbContext.Forums.Add(forum);
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Created,
typeof(Forum),
forum.Id,
new
{
forum.Name,
forum.Slug,
forum.Description,
forum.CategoryId,
forum.PermissionSetId,
forum.SortOrder
}));
await _dbContext.SaveChangesAsync();
_cacheManager.Remove(CacheKeys.Categories(command.SiteId));
_cacheManager.Remove(CacheKeys.CurrentForums(command.SiteId));
}
public async Task MoveAsync(MoveForum command)
{
var forum = await _dbContext.Forums
.FirstOrDefaultAsync(x =>
x.Category.SiteId == command.SiteId &&
x.Id == command.Id &&
x.Status != ForumStatusType.Deleted);
if (forum == null)
{
throw new DataException($"Forum with Id {command.Id} not found.");
}
if (command.Direction == Direction.Up)
{
forum.MoveUp();
}
else if (command.Direction == Direction.Down)
{
forum.MoveDown();
}
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Reordered,
typeof(Forum),
forum.Id,
new
{
forum.SortOrder
}));
var sortOrderToReplace = forum.SortOrder;
var adjacentForum = await _dbContext.Forums
.FirstOrDefaultAsync(x =>
x.CategoryId == forum.CategoryId &&
x.SortOrder == sortOrderToReplace &&
x.Status != ForumStatusType.Deleted);
if (command.Direction == Direction.Up)
{
adjacentForum.MoveDown();
}
else if (command.Direction == Direction.Down)
{
adjacentForum.MoveUp();
}
_dbContext.Events.Add(new Event(command.SiteId,
command.UserId,
EventType.Reordered,
typeof(Forum),
adjacentForum.Id,
new
{
adjacentForum.SortOrder
}));
await _dbContext.SaveChangesAsync();
_cacheManager.Remove(CacheKeys.Categories(command.SiteId));
}
public async Task <IndexPageModel> BuildIndexPageModelAsync(Guid siteId)
{
var model = new IndexPageModel
{
Categories = await _cacheManager.GetOrSetAsync(CacheKeys.Categories(siteId), async() =>
{
var categories = await _dbContext.Categories
.Include(x => x.Forums)
.Where(x => x.SiteId == siteId && x.Status == CategoryStatusType.Published)
.OrderBy(x => x.SortOrder)
.ToListAsync();
return(categories.Select(category => new IndexPageModel.CategoryModel
{
Id = category.Id,
Name = category.Name,
PermissionSetId = category.PermissionSetId,
ForumIds = category.Forums
.Where(x => x.Status == ForumStatusType.Published)
.OrderBy(x => x.SortOrder)
.Select(x => x.Id)
.ToList()
}).ToList());
})
};
foreach (var category in model.Categories)
{
category.Forums = new List <IndexPageModel.ForumModel>();
foreach (var forumId in category.ForumIds)
{
var forum = await _cacheManager.GetOrSetAsync(CacheKeys.Forum(forumId), async() =>
{
var entity = await _dbContext.Forums
.Include(x => x.LastPost).ThenInclude(x => x.CreatedByUser)
.Include(x => x.LastPost).ThenInclude(x => x.Topic)
.Where(x => x.Id == forumId && x.Status == ForumStatusType.Published)
.OrderBy(x => x.SortOrder)
.FirstOrDefaultAsync();
if (entity != null)
{
return(new IndexPageModel.ForumModel
{
Id = entity.Id,
Name = entity.Name,
Slug = entity.Slug,
Description = entity.Description,
TotalTopics = entity.TopicsCount,
TotalReplies = entity.RepliesCount,
PermissionSetId = entity.PermissionSetId,
LastTopicId = entity.LastPost?.TopicId == null ? entity.LastPost?.Id : entity.LastPost?.Topic?.Id,
LastTopicTitle = entity.LastPost?.Title ?? entity.LastPost?.Topic?.Title,
LastTopicSlug = entity.LastPost?.Slug ?? entity.LastPost?.Topic?.Slug,
LastPostTimeStamp = entity.LastPost?.CreatedOn,
LastPostUserId = entity.LastPost?.CreatedByUser?.Id,
LastPostUserDisplayName = entity.LastPost?.CreatedByUser?.DisplayName
});
}
return(new IndexPageModel.ForumModel());
});
category.Forums.Add(forum);
}
}
return(model);
}