133 lines
4.4 KiB
Go
133 lines
4.4 KiB
Go
package common
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import (
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"database/sql"
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//"log"
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"time"
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qgen "git.tuxpa.in/a/gosora/query_gen"
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)
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var GroupPromotions GroupPromotionStore
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type GroupPromotion struct {
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ID int
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From int
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To int
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TwoWay bool
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Level int
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Posts int
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MinTime int
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RegisteredFor int
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}
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type GroupPromotionStore interface {
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GetByGroup(gid int) (gps []*GroupPromotion, err error)
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Get(id int) (*GroupPromotion, error)
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PromoteIfEligible(u *User, level, posts int, registeredAt time.Time) error
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Delete(id int) error
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Create(from, to int, twoWay bool, level, posts, registeredFor int) (int, error)
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}
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type DefaultGroupPromotionStore struct {
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getByGroup *sql.Stmt
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get *sql.Stmt
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delete *sql.Stmt
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create *sql.Stmt
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getByUser *sql.Stmt
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getByUserMins *sql.Stmt
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updateUser *sql.Stmt
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updateGeneric *sql.Stmt
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}
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func NewDefaultGroupPromotionStore(acc *qgen.Accumulator) (*DefaultGroupPromotionStore, error) {
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ugp := "users_groups_promotions"
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prs := &DefaultGroupPromotionStore{
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getByGroup: acc.Select(ugp).Columns("pid, from_gid, to_gid, two_way, level, posts, minTime, registeredFor").Where("from_gid=? OR to_gid=?").Prepare(),
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get: acc.Select(ugp).Columns("from_gid, to_gid, two_way, level, posts, minTime, registeredFor").Where("pid=?").Prepare(),
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delete: acc.Delete(ugp).Where("pid=?").Prepare(),
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create: acc.Insert(ugp).Columns("from_gid, to_gid, two_way, level, posts, minTime, registeredFor").Fields("?,?,?,?,?,?,?").Prepare(),
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getByUserMins: acc.Select(ugp).Columns("pid, to_gid, two_way, level, posts, minTime, registeredFor").Where("from_gid=? AND level<=? AND posts<=? AND registeredFor<=?").Orderby("level DESC").Limit("1").Prepare(),
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getByUser: acc.Select(ugp).Columns("pid, to_gid, two_way, level, posts, minTime, registeredFor").Where("from_gid=? AND level<=? AND posts<=?").Orderby("level DESC").Limit("1").Prepare(),
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updateUser: acc.Update("users").Set("group=?").Where("group=? AND uid=?").Prepare(),
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updateGeneric: acc.Update("users").Set("group=?").Where("group=? AND level>=? AND posts>=?").Prepare(),
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}
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Tasks.FifteenMin.Add(prs.Tick)
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return prs, acc.FirstError()
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}
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func (s *DefaultGroupPromotionStore) Tick() error {
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return nil
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}
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func (s *DefaultGroupPromotionStore) GetByGroup(gid int) (gps []*GroupPromotion, err error) {
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rows, err := s.getByGroup.Query(gid, gid)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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for rows.Next() {
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g := &GroupPromotion{}
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err := rows.Scan(&g.ID, &g.From, &g.To, &g.TwoWay, &g.Level, &g.Posts, &g.MinTime, &g.RegisteredFor)
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if err != nil {
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return nil, err
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}
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gps = append(gps, g)
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}
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return gps, rows.Err()
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}
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// TODO: Cache the group promotions to avoid hitting the database as much
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func (s *DefaultGroupPromotionStore) Get(id int) (*GroupPromotion, error) {
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/*g, err := s.cache.Get(id)
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if err == nil {
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return u, nil
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}*/
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g := &GroupPromotion{ID: id}
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err := s.get.QueryRow(id).Scan(&g.From, &g.To, &g.TwoWay, &g.Level, &g.Posts, &g.MinTime, &g.RegisteredFor)
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if err == nil {
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//s.cache.Set(u)
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}
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return g, err
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}
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// TODO: Optimise this to avoid the query
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func (s *DefaultGroupPromotionStore) PromoteIfEligible(u *User, level, posts int, registeredAt time.Time) error {
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mins := time.Since(registeredAt).Minutes()
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g := &GroupPromotion{From: u.Group}
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//log.Printf("pre getByUserMins: %+v\n", u)
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err := s.getByUserMins.QueryRow(u.Group, level, posts, mins).Scan(&g.ID, &g.To, &g.TwoWay, &g.Level, &g.Posts, &g.MinTime, &g.RegisteredFor)
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if err == sql.ErrNoRows {
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//log.Print("no matches found")
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return nil
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} else if err != nil {
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return err
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}
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//log.Printf("g: %+v\n", g)
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if g.RegisteredFor == 0 {
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_, err = s.updateGeneric.Exec(g.To, g.From, g.Level, g.Posts)
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} else {
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_, err = s.updateUser.Exec(g.To, g.From, u.ID)
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}
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return err
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}
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func (s *DefaultGroupPromotionStore) Delete(id int) error {
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_, err := s.delete.Exec(id)
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return err
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}
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func (s *DefaultGroupPromotionStore) Create(from, to int, twoWay bool, level, posts, registeredFor int) (int, error) {
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res, err := s.create.Exec(from, to, twoWay, level, posts, 0, registeredFor)
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if err != nil {
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return 0, err
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}
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lastID, err := res.LastInsertId()
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return int(lastID), err
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}
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