gosora/common/reply_store.go

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package common
//import "log"
import (
"database/sql"
qgen "github.com/Azareal/Gosora/query_gen"
)
var Rstore ReplyStore
type ReplyStore interface {
Get(id int) (*Reply, error)
Each(f func(*Reply) error) error
Exists(id int) bool
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Create(t *Topic, content, ip string, uid int) (id int, err error)
Count() (count int)
CountUser(uid int) (count int)
CountMegaUser(uid int) (count int)
CountBigUser(uid int) (count int)
SetCache(cache ReplyCache)
GetCache() ReplyCache
}
type SQLReplyStore struct {
cache ReplyCache
get *sql.Stmt
getAll *sql.Stmt
exists *sql.Stmt
create *sql.Stmt
count *sql.Stmt
countUser *sql.Stmt
countWordUser *sql.Stmt
}
func NewSQLReplyStore(acc *qgen.Accumulator, cache ReplyCache) (*SQLReplyStore, error) {
if cache == nil {
cache = NewNullReplyCache()
}
re := "replies"
return &SQLReplyStore{
cache: cache,
get: acc.Select(re).Columns("tid, content, createdBy, createdAt, lastEdit, lastEditBy, ip, likeCount, attachCount, actionType").Where("rid=?").Prepare(),
getAll: acc.Select(re).Columns("rid,tid, content, createdBy, createdAt, lastEdit, lastEditBy, ip, likeCount, attachCount, actionType").Prepare(),
exists: acc.Exists(re, "rid").Prepare(),
create: acc.Insert(re).Columns("tid, content, parsed_content, createdAt, lastUpdated, ip, words, createdBy").Fields("?,?,?,UTC_TIMESTAMP(),UTC_TIMESTAMP(),?,?,?").Prepare(),
count: acc.Count(re).Prepare(),
countUser: acc.Count(re).Where("createdBy=?").Prepare(),
countWordUser: acc.Count(re).Where("createdBy=? AND words>=?").Prepare(),
}, acc.FirstError()
}
func (s *SQLReplyStore) Get(id int) (*Reply, error) {
r, err := s.cache.Get(id)
if err == nil {
return r, nil
}
r = &Reply{ID: id}
err = s.get.QueryRow(id).Scan(&r.ParentID, &r.Content, &r.CreatedBy, &r.CreatedAt, &r.LastEdit, &r.LastEditBy, &r.IP, &r.LikeCount, &r.AttachCount, &r.ActionType)
if err == nil {
_ = s.cache.Set(r)
}
return r, err
}
/*func (s *SQLReplyStore) eachr(f func(*sql.Rows) error) error {
return eachall(s.getAll, f)
}*/
func (s *SQLReplyStore) Each(f func(*Reply) error) error {
rows, err := s.getAll.Query()
if err != nil {
return err
}
defer rows.Close()
for rows.Next() {
r := new(Reply)
if err := rows.Scan(&r.ID, &r.ParentID, &r.Content, &r.CreatedBy, &r.CreatedAt, &r.LastEdit, &r.LastEditBy, &r.IP, &r.LikeCount, &r.AttachCount, &r.ActionType); err != nil {
return err
}
if err := f(r); err != nil {
return err
}
}
return rows.Err()
}
func (s *SQLReplyStore) Exists(id int) bool {
err := s.exists.QueryRow(id).Scan(&id)
if err != nil && err != ErrNoRows {
LogError(err)
}
return err != ErrNoRows
}
// TODO: Write a test for this
func (s *SQLReplyStore) Create(t *Topic, content, ip string, uid int) (id int, err error) {
if Config.DisablePostIP {
ip = ""
}
res, err := s.create.Exec(t.ID, content, ParseMessage(content, t.ParentID, "forums", nil, nil), ip, WordCount(content), uid)
if err != nil {
return 0, err
}
lastID, err := res.LastInsertId()
if err != nil {
return 0, err
}
id = int(lastID)
return id, t.AddReply(id, uid)
}
// TODO: Write a test for this
// Count returns the total number of topic replies on these forums
func (s *SQLReplyStore) Count() (count int) {
return Countf(s.count)
}
func (s *SQLReplyStore) CountUser(uid int) (count int) {
return Countf(s.countUser, uid)
}
func (s *SQLReplyStore) CountMegaUser(uid int) (count int) {
return Countf(s.countWordUser, uid, SettingBox.Load().(SettingMap)["megapost_min_words"].(int))
}
func (s *SQLReplyStore) CountBigUser(uid int) (count int) {
return Countf(s.countWordUser, uid, SettingBox.Load().(SettingMap)["bigpost_min_words"].(int))
}
func (s *SQLReplyStore) SetCache(cache ReplyCache) {
s.cache = cache
}
func (s *SQLReplyStore) GetCache() ReplyCache {
return s.cache
}