openbilibili/app/service/bbq/video/dao/dao.cache.go

// Code generated by $GOPATH/src/go-common/app/tool/cache/gen. DO NOT EDIT.

/*
  Package dao is a generated cache proxy package.
  It is generated from:
  type _cache interface {
		// cache: -batch_err=break -nullcache=&v1.VideoBase{Svid:-1} -check_null_code=$==nil||$.Svid==-1
		VideoBase(c context.Context, svid []int64) (map[int64]*v1.VideoBase, error)
	}
*/

package dao

import (
	"context"

	"go-common/app/service/bbq/video/api/grpc/v1"
	"go-common/library/stat/prom"
)

var _ _cache

// VideoBase get data from cache if miss will call source method, then add to cache.
func (d *Dao) VideoBase(c context.Context, keys []int64) (res map[int64]*v1.VideoBase, err error) {
	if len(keys) == 0 {
		return
	}
	addCache := true
	if res, err = d.CacheVideoBase(c, keys); err != nil {
		addCache = false
		res = nil
		err = nil
	}
	var miss []int64
	for _, key := range keys {
		if (res == nil) || (res[key] == nil) {
			miss = append(miss, key)
		}
	}
	prom.CacheHit.Add("VideoBase", int64(len(keys)-len(miss)))
	for k, v := range res {
		if v == nil || v.Svid == -1 {
			delete(res, k)
		}
	}
	missLen := len(miss)
	if missLen == 0 {
		return
	}
	var missData map[int64]*v1.VideoBase
	prom.CacheMiss.Add("VideoBase", int64(len(miss)))
	missData, err = d.RawVideoBase(c, miss)
	if res == nil {
		res = make(map[int64]*v1.VideoBase, len(keys))
	}
	for k, v := range missData {
		res[k] = v
	}
	if err != nil {
		return
	}
	for _, key := range miss {
		if res[key] == nil {
			missData[key] = &v1.VideoBase{Svid: -1}
		}
	}
	if !addCache {
		return
	}
	d.cache.Do(c, func(c context.Context) {
		d.AddCacheVideoBase(c, missData)
	})
	return
}