gosora/routes/forum.go

140 lines
4.4 KiB
Go

package routes
import (
"database/sql"
"net/http"
"strconv"
c "github.com/Azareal/Gosora/common"
"github.com/Azareal/Gosora/common/counters"
"github.com/Azareal/Gosora/common/phrases"
"github.com/Azareal/Gosora/query_gen"
)
type ForumStmts struct {
getTopics *sql.Stmt
}
var forumStmts ForumStmts
// TODO: Move these DbInits into *Forum as Topics()
func init() {
c.DbInits.Add(func(acc *qgen.Accumulator) error {
forumStmts = ForumStmts{
getTopics: acc.Select("topics").Columns("tid, title, content, createdBy, is_closed, sticky, createdAt, lastReplyAt, lastReplyBy, lastReplyID, parentID, views, postCount, likeCount").Where("parentID = ?").Orderby("sticky DESC, lastReplyAt DESC, createdBy DESC").Limit("?,?").Prepare(),
}
return acc.FirstError()
})
}
// TODO: Retire this in favour of an alias for /topics/?
func ViewForum(w http.ResponseWriter, r *http.Request, user c.User, header *c.Header, sfid string) c.RouteError {
page, _ := strconv.Atoi(r.FormValue("page"))
_, fid, err := ParseSEOURL(sfid)
if err != nil {
return c.PreError(phrases.GetErrorPhrase("url_id_must_be_integer"), w, r)
}
ferr := c.ForumUserCheck(header, w, r, &user, fid)
if ferr != nil {
return ferr
}
if !user.Perms.ViewTopic {
return c.NoPermissions(w, r, user)
}
header.Path = "/forums/"
// TODO: Fix this double-check
forum, err := c.Forums.Get(fid)
if err == sql.ErrNoRows {
return c.NotFound(w, r, header)
} else if err != nil {
return c.InternalError(err, w, r)
}
header.Title = forum.Name
header.OGDesc = forum.Desc
// TODO: Does forum.TopicCount take the deleted items into consideration for guests? We don't have soft-delete yet, only hard-delete
offset, page, lastPage := c.PageOffset(forum.TopicCount, page, c.Config.ItemsPerPage)
// TODO: Move this to *Forum
rows, err := forumStmts.getTopics.Query(fid, offset, c.Config.ItemsPerPage)
if err != nil {
return c.InternalError(err, w, r)
}
defer rows.Close()
// TODO: Use something other than TopicsRow as we don't need to store the forum name and link on each and every topic item?
var topicList []*c.TopicsRow
var reqUserList = make(map[int]bool)
for rows.Next() {
var topicItem = c.TopicsRow{ID: 0}
err := rows.Scan(&topicItem.ID, &topicItem.Title, &topicItem.Content, &topicItem.CreatedBy, &topicItem.IsClosed, &topicItem.Sticky, &topicItem.CreatedAt, &topicItem.LastReplyAt, &topicItem.LastReplyBy, &topicItem.LastReplyID, &topicItem.ParentID, &topicItem.ViewCount, &topicItem.PostCount, &topicItem.LikeCount)
if err != nil {
return c.InternalError(err, w, r)
}
topicItem.Link = c.BuildTopicURL(c.NameToSlug(topicItem.Title), topicItem.ID)
// TODO: Create a specialised function with a bit less overhead for getting the last page for a post count
_, _, lastPage := c.PageOffset(topicItem.PostCount, 1, c.Config.ItemsPerPage)
topicItem.LastPage = lastPage
header.Hooks.VhookNoRet("forum_trow_assign", &topicItem, &forum)
topicList = append(topicList, &topicItem)
reqUserList[topicItem.CreatedBy] = true
reqUserList[topicItem.LastReplyBy] = true
}
err = rows.Err()
if err != nil {
return c.InternalError(err, w, r)
}
// Convert the user ID map to a slice, then bulk load the users
var idSlice = make([]int, len(reqUserList))
var i int
for userID := range reqUserList {
idSlice[i] = userID
i++
}
// TODO: What if a user is deleted via the Control Panel?
userList, err := c.Users.BulkGetMap(idSlice)
if err != nil {
return c.InternalError(err, w, r)
}
// Second pass to the add the user data
// TODO: Use a pointer to TopicsRow instead of TopicsRow itself?
for _, topicItem := range topicList {
topicItem.Creator = userList[topicItem.CreatedBy]
topicItem.LastUser = userList[topicItem.LastReplyBy]
}
header.Zone = "view_forum"
header.ZoneID = forum.ID
// TODO: Reduce the amount of boilerplate here
if r.FormValue("js") == "1" {
outBytes, err := wsTopicList(topicList, lastPage).MarshalJSON()
if err != nil {
return c.InternalError(err, w, r)
}
w.Write(outBytes)
return nil
}
pageList := c.Paginate(forum.TopicCount, c.Config.ItemsPerPage, 5)
pi := c.ForumPage{header, topicList, forum, c.Paginator{pageList, page, lastPage}}
tmpl := forum.Tmpl
if tmpl == "" {
ferr = renderTemplate("forum", w, r, header, pi)
} else {
tmpl = "forum_"+tmpl
err = renderTemplate3(tmpl, tmpl,w, r, header, pi)
if err != nil {
ferr = renderTemplate("forum", w, r, header, pi)
}
}
counters.ForumViewCounter.Bump(forum.ID)
return ferr
}