go-common/app/job/main/growup/service/charge/bgm_charge.go

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2019-04-22 10:49:16 +00:00
package charge
import (
"bytes"
"context"
"fmt"
"math"
"math/big"
"strconv"
"strings"
"time"
model "go-common/app/job/main/growup/model/charge"
"go-common/library/log"
xtime "go-common/library/time"
"golang.org/x/sync/errgroup"
)
func (s *Service) handleBgm(c context.Context, date time.Time,
dailyChannel chan []*model.BgmCharge) (weekly, monthly map[string]*model.BgmCharge, statis map[string]*model.BgmStatis, err error) {
var eg errgroup.Group
weekly = make(map[string]*model.BgmCharge)
monthly = make(map[string]*model.BgmCharge)
statis = make(map[string]*model.BgmStatis)
eg.Go(func() (err error) {
weekly, err = s.getBgmCharge(c, getStartWeeklyDate(date), "bgm_weekly_charge")
if err != nil {
log.Error("s.GetBgmCharge(bgm_weekly_charge) error(%v)", err)
return
}
return
})
eg.Go(func() (err error) {
monthly, err = s.getBgmCharge(c, getStartMonthlyDate(date), "bgm_monthly_charge")
if err != nil {
log.Error("s.GetBgmCharge(bgm_monthly_charge) error(%v)", err)
return
}
return
})
eg.Go(func() (err error) {
statis, err = s.getBgmStatis(c)
if err != nil {
log.Error("s.getBgmStatisMap error(%v)", err)
}
return
})
if err = eg.Wait(); err != nil {
log.Error("handleBgm eg.Wait error(%v)", err)
return
}
s.calBgms(date, weekly, monthly, statis, dailyChannel)
return
}
func (s *Service) calBgms(date time.Time, weeklyMap, monthlyMap map[string]*model.BgmCharge, statisMap map[string]*model.BgmStatis, dailyChannel chan []*model.BgmCharge) {
for daily := range dailyChannel {
s.calBgm(date, daily, weeklyMap, monthlyMap, statisMap)
}
}
func (s *Service) calBgm(date time.Time, daily []*model.BgmCharge, weeklyMap, monthlyMap map[string]*model.BgmCharge, statisMap map[string]*model.BgmStatis) {
for _, charge := range daily {
key := fmt.Sprintf("%d+%d", charge.SID, charge.AID)
if weekly, ok := weeklyMap[key]; ok {
updateBgmCharge(weekly, charge)
} else {
weeklyMap[key] = addBgmCharge(charge, startWeeklyDate)
}
if monthly, ok := monthlyMap[key]; ok {
updateBgmCharge(monthly, charge)
} else {
monthlyMap[key] = addBgmCharge(charge, startMonthlyDate)
}
if statis, ok := statisMap[key]; ok {
updateBgmStatis(statis, charge)
} else {
statisMap[key] = addBgmStatis(charge)
}
}
}
func addBgmCharge(daily *model.BgmCharge, fixDate time.Time) *model.BgmCharge {
return &model.BgmCharge{
SID: daily.SID,
AID: daily.AID,
MID: daily.MID,
CID: daily.CID,
JoinAt: daily.JoinAt,
Title: daily.Title,
IncCharge: daily.IncCharge,
Date: xtime.Time(fixDate.Unix()),
DBState: _dbInsert,
}
}
func updateBgmCharge(origin, daily *model.BgmCharge) {
origin.IncCharge += daily.IncCharge
origin.DBState = _dbUpdate
}
func addBgmStatis(daily *model.BgmCharge) *model.BgmStatis {
return &model.BgmStatis{
SID: daily.SID,
AID: daily.AID,
MID: daily.MID,
CID: daily.CID,
JoinAt: daily.JoinAt,
Title: daily.Title,
TotalCharge: daily.IncCharge,
DBState: _dbInsert,
}
}
func updateBgmStatis(statis *model.BgmStatis, daily *model.BgmCharge) {
statis.TotalCharge += daily.IncCharge
statis.DBState = _dbUpdate
}
func (s *Service) getBgmCharge(c context.Context, date time.Time, table string) (bgms map[string]*model.BgmCharge, err error) {
bgms = make(map[string]*model.BgmCharge)
var id int64
for {
var bgm []*model.BgmCharge
bgm, err = s.dao.BgmCharge(c, date, id, _limitSize, table)
if err != nil {
return
}
for _, b := range bgm {
key := fmt.Sprintf("%d+%d", b.SID, b.AID)
bgms[key] = b
}
if len(bgm) < _limitSize {
break
}
id = bgm[len(bgm)-1].ID
}
return
}
func (s *Service) getBgmStatis(c context.Context) (bgms map[string]*model.BgmStatis, err error) {
bgms = make(map[string]*model.BgmStatis)
var id int64
for {
var bgm []*model.BgmStatis
bgm, err = s.dao.BgmStatis(c, id, _limitSize)
if err != nil {
return
}
for _, b := range bgm {
key := fmt.Sprintf("%d+%d", b.SID, b.AID)
bgms[key] = b
}
if len(bgm) < _limitSize {
break
}
id = bgm[len(bgm)-1].ID
}
return
}
func (s *Service) bgmCharges(c context.Context, date time.Time, ch chan []*model.BgmCharge, avBgmCharge chan []*model.AvCharge) (dailyMap map[string]*model.BgmCharge, err error) {
dailyMap = make(map[string]*model.BgmCharge)
bgms, err := s.GetBgms(c, int64(_limitSize))
if err != nil {
log.Error("s.GetBgms error(%v)", err)
return
}
defer func() {
close(ch)
}()
for avs := range avBgmCharge {
for _, av := range avs {
bgm, ok := bgms[av.AvID]
if !ok {
continue
}
incCharge := int64(round(div(mul(float64(av.IncCharge), float64(0.3)), float64(len(bgm))), 0))
if incCharge == 0 {
continue
}
charges := make([]*model.BgmCharge, 0, len(bgm))
for _, b := range bgm {
if b.MID == av.MID {
continue
}
c := &model.BgmCharge{
SID: b.SID,
MID: b.MID,
AID: b.AID,
CID: b.CID,
IncCharge: incCharge,
JoinAt: b.JoinAt,
Date: av.Date,
Title: b.Title,
DBState: _dbInsert,
}
dailyMap[fmt.Sprintf("%d+%d", c.SID, c.AID)] = c
charges = append(charges, c)
}
ch <- charges
}
}
return
}
// GetBgms map[av_id][]*model.Bgm
func (s *Service) GetBgms(c context.Context, limit int64) (bm map[int64][]*model.Bgm, err error) {
var id int64
bm = make(map[int64][]*model.Bgm)
for {
var bs []*model.Bgm
bs, id, err = s.dao.GetBgm(c, id, limit)
if err != nil {
return
}
if len(bs) == 0 {
break
}
for _, b := range bs {
if _, ok := bm[b.AID]; ok {
bm[b.AID] = append(bm[b.AID], b)
} else {
bm[b.AID] = []*model.Bgm{b}
}
}
}
return
}
func round(val float64, places int) float64 {
var round float64
pow := math.Pow(10, float64(places))
digit := pow * val
_, div := math.Modf(digit)
if div >= 0.5 {
round = math.Ceil(digit)
} else {
round = math.Floor(digit)
}
return round / pow
}
func div(x, y float64) float64 {
a := big.NewFloat(x)
b := big.NewFloat(y)
c := new(big.Float).Quo(a, b)
d, _ := c.Float64()
return d
}
func mul(x, y float64) float64 {
a := big.NewFloat(x)
b := big.NewFloat(y)
c := new(big.Float).Mul(a, b)
d, _ := c.Float64()
return d
}
func (s *Service) bgmDBStore(c context.Context, table string, bgmMap map[string]*model.BgmCharge) error {
insert, update := make([]*model.BgmCharge, _batchSize), make([]*model.BgmCharge, _batchSize)
insertIndex, updateIndex := 0, 0
for _, charge := range bgmMap {
if charge.DBState == _dbInsert {
insert[insertIndex] = charge
insertIndex++
} else if charge.DBState == _dbUpdate {
update[updateIndex] = charge
updateIndex++
}
if insertIndex >= _batchSize {
_, err := s.bgmBatchInsert(c, insert[:insertIndex], table)
if err != nil {
log.Error("s.bgmBatchInsert error(%v)", err)
return err
}
insertIndex = 0
}
if updateIndex >= _batchSize {
_, err := s.bgmBatchInsert(c, update[:updateIndex], table)
if err != nil {
log.Error("s.bgmBatchInsert error(%v)", err)
return err
}
updateIndex = 0
}
}
if insertIndex > 0 {
_, err := s.bgmBatchInsert(c, insert[:insertIndex], table)
if err != nil {
log.Error("s.bgmBatchInsert error(%v)", err)
return err
}
}
if updateIndex > 0 {
_, err := s.bgmBatchInsert(c, update[:updateIndex], table)
if err != nil {
log.Error("s.bgmBatchInsert error(%v)", err)
return err
}
}
return nil
}
func assembleBgmCharge(charges []*model.BgmCharge) (vals string) {
var buf bytes.Buffer
for _, row := range charges {
buf.WriteString("(")
buf.WriteString(strconv.FormatInt(row.SID, 10))
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.AID, 10))
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.MID, 10))
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.CID, 10))
buf.WriteByte(',')
buf.WriteString("\"" + strings.Replace(row.Title, "\"", "\\\"", -1) + "\"")
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.IncCharge, 10))
buf.WriteByte(',')
buf.WriteString("'" + row.Date.Time().Format(_layout) + "'")
buf.WriteByte(',')
buf.WriteString("'" + row.JoinAt.Time().Format(_layoutSec) + "'")
buf.WriteString(")")
buf.WriteByte(',')
}
if buf.Len() > 0 {
buf.Truncate(buf.Len() - 1)
}
vals = buf.String()
buf.Reset()
return
}
func (s *Service) bgmBatchInsert(c context.Context, charges []*model.BgmCharge, table string) (rows int64, err error) {
vals := assembleBgmCharge(charges)
rows, err = s.dao.InsertBgmChargeTable(c, vals, table)
return
}
func (s *Service) bgmStatisDBStore(c context.Context, statisMap map[string]*model.BgmStatis) error {
insert, update := make([]*model.BgmStatis, _batchSize), make([]*model.BgmStatis, _batchSize)
insertIndex, updateIndex := 0, 0
for _, charge := range statisMap {
if charge.DBState == _dbInsert {
insert[insertIndex] = charge
insertIndex++
} else if charge.DBState == _dbUpdate {
update[updateIndex] = charge
updateIndex++
}
if insertIndex >= _batchSize {
_, err := s.bgmStatisBatchInsert(c, insert[:insertIndex])
if err != nil {
log.Error("s.bgmStatisBatchInsert error(%v)", err)
return err
}
insertIndex = 0
}
if updateIndex >= _batchSize {
_, err := s.bgmStatisBatchInsert(c, update[:updateIndex])
if err != nil {
log.Error("s.bgmStatisBatchInsert error(%v)", err)
return err
}
updateIndex = 0
}
}
if insertIndex > 0 {
_, err := s.bgmStatisBatchInsert(c, insert[:insertIndex])
if err != nil {
log.Error("s.bgmStatisBatchInsert error(%v)", err)
return err
}
}
if updateIndex > 0 {
_, err := s.bgmStatisBatchInsert(c, update[:updateIndex])
if err != nil {
log.Error("s.bgmStatisBatchInsert error(%v)", err)
return err
}
}
return nil
}
func assembleBgmStatis(statis []*model.BgmStatis) (vals string) {
var buf bytes.Buffer
for _, row := range statis {
buf.WriteString("(")
buf.WriteString(strconv.FormatInt(row.SID, 10))
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.AID, 10))
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.MID, 10))
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.CID, 10))
buf.WriteByte(',')
buf.WriteString("\"" + strings.Replace(row.Title, "\"", "\\\"", -1) + "\"")
buf.WriteByte(',')
buf.WriteString(strconv.FormatInt(row.TotalCharge, 10))
buf.WriteByte(',')
buf.WriteString("'" + row.JoinAt.Time().Format(_layoutSec) + "'")
buf.WriteString(")")
buf.WriteByte(',')
}
if buf.Len() > 0 {
buf.Truncate(buf.Len() - 1)
}
vals = buf.String()
buf.Reset()
return
}
func (s *Service) bgmStatisBatchInsert(c context.Context, statis []*model.BgmStatis) (rows int64, err error) {
vals := assembleBgmStatis(statis)
rows, err = s.dao.InsertBgmStatisBatch(c, vals)
return
}