263 lines
8.5 KiB
Go
263 lines
8.5 KiB
Go
/*
|
|
*
|
|
* Gosora Topic Store
|
|
* Copyright Azareal 2017 - 2019
|
|
*
|
|
*/
|
|
package common
|
|
|
|
import (
|
|
"database/sql"
|
|
"errors"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/Azareal/Gosora/query_gen"
|
|
)
|
|
|
|
// TODO: Add the watchdog goroutine
|
|
// TODO: Add BulkGetMap
|
|
// TODO: Add some sort of update method
|
|
// ? - Should we add stick, lock, unstick, and unlock methods? These might be better on the Topics not the TopicStore
|
|
var Topics TopicStore
|
|
var ErrNoTitle = errors.New("This message is missing a title")
|
|
var ErrLongTitle = errors.New("The title is too long")
|
|
var ErrNoBody = errors.New("This message is missing a body")
|
|
|
|
type TopicStore interface {
|
|
DirtyGet(id int) *Topic
|
|
Get(id int) (*Topic, error)
|
|
BypassGet(id int) (*Topic, error)
|
|
BulkGetMap(ids []int) (list map[int]*Topic, err error)
|
|
Exists(id int) bool
|
|
Create(fid int, topicName string, content string, uid int, ipaddress string) (tid int, err error)
|
|
AddLastTopic(item *Topic, fid int) error // unimplemented
|
|
Reload(id int) error // Too much SQL logic to move into TopicCache
|
|
// TODO: Implement these two methods
|
|
//Replies(tid int) ([]*Reply, error)
|
|
//RepliesRange(tid int, lower int, higher int) ([]*Reply, error)
|
|
GlobalCount() int
|
|
|
|
SetCache(cache TopicCache)
|
|
GetCache() TopicCache
|
|
}
|
|
|
|
type DefaultTopicStore struct {
|
|
cache TopicCache
|
|
|
|
get *sql.Stmt
|
|
exists *sql.Stmt
|
|
topicCount *sql.Stmt
|
|
create *sql.Stmt
|
|
}
|
|
|
|
// NewDefaultTopicStore gives you a new instance of DefaultTopicStore
|
|
func NewDefaultTopicStore(cache TopicCache) (*DefaultTopicStore, error) {
|
|
acc := qgen.NewAcc()
|
|
if cache == nil {
|
|
cache = NewNullTopicCache()
|
|
}
|
|
return &DefaultTopicStore{
|
|
cache: cache,
|
|
get: acc.Select("topics").Columns("title, content, createdBy, createdAt, lastReplyBy, lastReplyAt, lastReplyID, is_closed, sticky, parentID, ipaddress, views, postCount, likeCount, attachCount, poll, data").Where("tid = ?").Prepare(),
|
|
exists: acc.Select("topics").Columns("tid").Where("tid = ?").Prepare(),
|
|
topicCount: acc.Count("topics").Prepare(),
|
|
create: acc.Insert("topics").Columns("parentID, title, content, parsed_content, createdAt, lastReplyAt, lastReplyBy, ipaddress, words, createdBy").Fields("?,?,?,?,UTC_TIMESTAMP(),UTC_TIMESTAMP(),?,?,?,?").Prepare(),
|
|
}, acc.FirstError()
|
|
}
|
|
|
|
func (mts *DefaultTopicStore) DirtyGet(id int) *Topic {
|
|
topic, err := mts.cache.Get(id)
|
|
if err == nil {
|
|
return topic
|
|
}
|
|
|
|
topic = &Topic{ID: id}
|
|
err = mts.get.QueryRow(id).Scan(&topic.Title, &topic.Content, &topic.CreatedBy, &topic.CreatedAt, &topic.LastReplyBy, &topic.LastReplyAt, &topic.LastReplyID, &topic.IsClosed, &topic.Sticky, &topic.ParentID, &topic.IPAddress, &topic.ViewCount, &topic.PostCount, &topic.LikeCount, &topic.AttachCount, &topic.Poll, &topic.Data)
|
|
if err == nil {
|
|
topic.Link = BuildTopicURL(NameToSlug(topic.Title), id)
|
|
_ = mts.cache.Add(topic)
|
|
return topic
|
|
}
|
|
return BlankTopic()
|
|
}
|
|
|
|
// TODO: Log weird cache errors?
|
|
func (mts *DefaultTopicStore) Get(id int) (topic *Topic, err error) {
|
|
topic, err = mts.cache.Get(id)
|
|
if err == nil {
|
|
return topic, nil
|
|
}
|
|
|
|
topic = &Topic{ID: id}
|
|
err = mts.get.QueryRow(id).Scan(&topic.Title, &topic.Content, &topic.CreatedBy, &topic.CreatedAt, &topic.LastReplyBy, &topic.LastReplyAt, &topic.LastReplyID, &topic.IsClosed, &topic.Sticky, &topic.ParentID, &topic.IPAddress, &topic.ViewCount, &topic.PostCount, &topic.LikeCount, &topic.AttachCount, &topic.Poll, &topic.Data)
|
|
if err == nil {
|
|
topic.Link = BuildTopicURL(NameToSlug(topic.Title), id)
|
|
_ = mts.cache.Add(topic)
|
|
}
|
|
return topic, err
|
|
}
|
|
|
|
// BypassGet will always bypass the cache and pull the topic directly from the database
|
|
func (mts *DefaultTopicStore) BypassGet(id int) (*Topic, error) {
|
|
topic := &Topic{ID: id}
|
|
err := mts.get.QueryRow(id).Scan(&topic.Title, &topic.Content, &topic.CreatedBy, &topic.CreatedAt, &topic.LastReplyBy, &topic.LastReplyAt, &topic.LastReplyID, &topic.IsClosed, &topic.Sticky, &topic.ParentID, &topic.IPAddress, &topic.ViewCount, &topic.PostCount, &topic.LikeCount, &topic.AttachCount, &topic.Poll, &topic.Data)
|
|
topic.Link = BuildTopicURL(NameToSlug(topic.Title), id)
|
|
return topic, err
|
|
}
|
|
|
|
// TODO: Avoid duplicating much of this logic from user_store.go
|
|
func (s *DefaultTopicStore) BulkGetMap(ids []int) (list map[int]*Topic, err error) {
|
|
var idCount = len(ids)
|
|
list = make(map[int]*Topic)
|
|
if idCount == 0 {
|
|
return list, nil
|
|
}
|
|
|
|
var stillHere []int
|
|
sliceList := s.cache.BulkGet(ids)
|
|
if len(sliceList) > 0 {
|
|
for i, sliceItem := range sliceList {
|
|
if sliceItem != nil {
|
|
list[sliceItem.ID] = sliceItem
|
|
} else {
|
|
stillHere = append(stillHere, ids[i])
|
|
}
|
|
}
|
|
ids = stillHere
|
|
}
|
|
|
|
// If every user is in the cache, then return immediately
|
|
if len(ids) == 0 {
|
|
return list, nil
|
|
} else if len(ids) == 1 {
|
|
topic, err := s.Get(ids[0])
|
|
if err != nil {
|
|
return list, err
|
|
}
|
|
list[topic.ID] = topic
|
|
return list, nil
|
|
}
|
|
|
|
// TODO: Add a function for the qlist stuff
|
|
var qlist string
|
|
var idList []interface{}
|
|
for _, id := range ids {
|
|
idList = append(idList, strconv.Itoa(id))
|
|
qlist += "?,"
|
|
}
|
|
qlist = qlist[0 : len(qlist)-1]
|
|
|
|
rows, err := qgen.NewAcc().Select("topics").Columns("tid, title, content, createdBy, createdAt, lastReplyBy, lastReplyAt, lastReplyID, is_closed, sticky, parentID, ipaddress, views, postCount, likeCount, attachCount, poll, data").Where("tid IN(" + qlist + ")").Query(idList...)
|
|
if err != nil {
|
|
return list, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
for rows.Next() {
|
|
topic := &Topic{}
|
|
err := rows.Scan(&topic.ID, &topic.Title, &topic.Content, &topic.CreatedBy, &topic.CreatedAt, &topic.LastReplyBy, &topic.LastReplyAt, &topic.LastReplyID, &topic.IsClosed, &topic.Sticky, &topic.ParentID, &topic.IPAddress, &topic.ViewCount, &topic.PostCount, &topic.LikeCount, &topic.AttachCount, &topic.Poll, &topic.Data)
|
|
if err != nil {
|
|
return list, err
|
|
}
|
|
topic.Link = BuildTopicURL(NameToSlug(topic.Title), topic.ID)
|
|
s.cache.Set(topic)
|
|
list[topic.ID] = topic
|
|
}
|
|
err = rows.Err()
|
|
if err != nil {
|
|
return list, err
|
|
}
|
|
|
|
// Did we miss any topics?
|
|
if idCount > len(list) {
|
|
var sidList string
|
|
for _, id := range ids {
|
|
_, ok := list[id]
|
|
if !ok {
|
|
sidList += strconv.Itoa(id) + ","
|
|
}
|
|
}
|
|
if sidList != "" {
|
|
sidList = sidList[0 : len(sidList)-1]
|
|
err = errors.New("Unable to find topics with the following IDs: " + sidList)
|
|
}
|
|
}
|
|
|
|
return list, err
|
|
}
|
|
|
|
func (mts *DefaultTopicStore) Reload(id int) error {
|
|
topic := &Topic{ID: id}
|
|
err := mts.get.QueryRow(id).Scan(&topic.Title, &topic.Content, &topic.CreatedBy, &topic.CreatedAt, &topic.LastReplyBy, &topic.LastReplyAt, &topic.LastReplyID, &topic.IsClosed, &topic.Sticky, &topic.ParentID, &topic.IPAddress, &topic.ViewCount, &topic.PostCount, &topic.LikeCount, &topic.AttachCount, &topic.Poll, &topic.Data)
|
|
if err == nil {
|
|
topic.Link = BuildTopicURL(NameToSlug(topic.Title), id)
|
|
_ = mts.cache.Set(topic)
|
|
} else {
|
|
_ = mts.cache.Remove(id)
|
|
}
|
|
TopicListThaw.Thaw()
|
|
return err
|
|
}
|
|
|
|
func (mts *DefaultTopicStore) Exists(id int) bool {
|
|
return mts.exists.QueryRow(id).Scan(&id) == nil
|
|
}
|
|
|
|
func (mts *DefaultTopicStore) Create(fid int, topicName string, content string, uid int, ipaddress string) (tid int, err error) {
|
|
if topicName == "" {
|
|
return 0, ErrNoTitle
|
|
}
|
|
// ? This number might be a little screwy with Unicode, but it's the only consistent thing we have, as Unicode characters can be any number of bytes in theory?
|
|
if len(topicName) > Config.MaxTopicTitleLength {
|
|
return 0, ErrLongTitle
|
|
}
|
|
|
|
parsedContent := strings.TrimSpace(ParseMessage(content, fid, "forums"))
|
|
if parsedContent == "" {
|
|
return 0, ErrNoBody
|
|
}
|
|
|
|
wcount := WordCount(content)
|
|
// TODO: Move this statement into the topic store
|
|
res, err := mts.create.Exec(fid, topicName, content, parsedContent, uid, ipaddress, wcount, uid)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
lastID, err := res.LastInsertId()
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
return int(lastID), Forums.AddTopic(int(lastID), uid, fid)
|
|
}
|
|
|
|
// ? - What is this? Do we need it? Should it be in the main store interface?
|
|
func (mts *DefaultTopicStore) AddLastTopic(item *Topic, fid int) error {
|
|
// Coming Soon...
|
|
return nil
|
|
}
|
|
|
|
// GlobalCount returns the total number of topics on these forums
|
|
func (mts *DefaultTopicStore) GlobalCount() (tcount int) {
|
|
err := mts.topicCount.QueryRow().Scan(&tcount)
|
|
if err != nil {
|
|
LogError(err)
|
|
}
|
|
return tcount
|
|
}
|
|
|
|
func (mts *DefaultTopicStore) SetCache(cache TopicCache) {
|
|
mts.cache = cache
|
|
}
|
|
|
|
// TODO: We're temporarily doing this so that you can do tcache != nil in getTopicUser. Refactor it.
|
|
func (mts *DefaultTopicStore) GetCache() TopicCache {
|
|
_, ok := mts.cache.(*NullTopicCache)
|
|
if ok {
|
|
return nil
|
|
}
|
|
return mts.cache
|
|
}
|