107 lines
2.1 KiB
Go
107 lines
2.1 KiB
Go
package videoshot
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import (
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"context"
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"go-common/library/cache/redis"
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"go-common/library/database/sql"
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"go-common/library/log"
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"go-common/library/stat/prom"
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"go-common/app/service/main/archive/conf"
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"go-common/app/service/main/archive/model/videoshot"
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)
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// Dao is videoshot dao.
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type Dao struct {
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// mysql
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db *sql.DB
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dbRead *sql.DB
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getStmt *sql.Stmt
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inStmt *sql.Stmt
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// redis
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rds *redis.Pool
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// prom
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infoProm *prom.Prom
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// chan
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cacheCh chan func()
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}
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// New new a videoshot dao.
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func New(c *conf.Config) (d *Dao) {
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d = &Dao{
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db: sql.NewMySQL(c.DB.Arc),
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dbRead: sql.NewMySQL(c.DB.ArcRead),
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rds: redis.NewPool(c.Redis.Archive.Config),
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cacheCh: make(chan func(), 1024),
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}
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d.getStmt = d.dbRead.Prepared(_getSQL)
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d.inStmt = d.db.Prepared(_inSQL)
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d.infoProm = prom.BusinessInfoCount
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go d.cacheproc()
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return d
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}
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// Videoshot get videoshot.
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func (d *Dao) Videoshot(c context.Context, cid int64) (v *videoshot.Videoshot, err error) {
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var count, ver int
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if count, ver, err = d.cache(c, cid); err != nil {
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log.Error("d.cache(%d) error(%v)", cid, err)
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err = nil // NOTE: ignore error use db
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}
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if count != 0 {
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v = &videoshot.Videoshot{Cid: cid, Count: count}
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v.SetVersion(ver)
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return
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}
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if v, err = d.videoshot(c, cid); err != nil || v == nil {
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log.Warn("d.videoshot(%d) error(%v) or v==nil", cid, err)
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return
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}
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d.cacheCh <- func() {
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d.addCache(context.TODO(), v.Cid, v.Version(), v.Count)
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}
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return
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}
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// AddVideoshot add videoshot.
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func (d *Dao) AddVideoshot(c context.Context, v *videoshot.Videoshot) (err error) {
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if _, err = d.addVideoshot(c, v); err != nil {
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log.Error("d.addVideoshot(%v) error(%v)", v, err)
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return
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}
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d.cacheCh <- func() {
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d.addCache(context.TODO(), v.Cid, v.Version(), v.Count)
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}
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return
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}
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// Close close resource.
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func (d *Dao) Close() {
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if d.rds != nil {
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d.rds.Close()
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}
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if d.db != nil {
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d.db.Close()
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}
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close(d.cacheCh)
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}
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// Ping ping success.
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func (d *Dao) Ping(c context.Context) (err error) {
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conn := d.rds.Get(c)
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_, err = conn.Do("SET", "PING", "PONG")
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conn.Close()
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return
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}
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func (d *Dao) cacheproc() {
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for {
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f, ok := <-d.cacheCh
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if !ok {
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return
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}
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f()
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}
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}
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