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kratos/tool/kratos-gen-project/templates/grpc/internal/dao/dao.go.tmpl

69 lines
1.6 KiB

package dao
import (
"context"
"time"
"{{.ModPrefix}}{{.Name}}/internal/model"
"github.com/bilibili/kratos/pkg/cache/memcache"
"github.com/bilibili/kratos/pkg/cache/redis"
"github.com/bilibili/kratos/pkg/conf/paladin"
"github.com/bilibili/kratos/pkg/database/sql"
"github.com/bilibili/kratos/pkg/sync/pipeline/fanout"
xtime "github.com/bilibili/kratos/pkg/time"
"github.com/google/wire"
)
var Provider = wire.NewSet(New, NewDB, NewRedis, NewMC)
//go:generate kratos tool genbts
// Dao dao interface
type Dao interface {
Close()
Ping(ctx context.Context) (err error)
// bts: -nullcache=&model.Article{ID:-1} -check_null_code=$!=nil&&$.ID==-1
Article(c context.Context, id int64) (*model.Article, error)
}
// dao dao.
type dao struct {
db *sql.DB
redis *redis.Redis
mc *memcache.Memcache
cache *fanout.Fanout
demoExpire int32
}
// New new a dao and return.
func New(r *redis.Redis, mc *memcache.Memcache, db *sql.DB) (d Dao, cf func(), err error) {
return newDao(r, mc, db)
}
func newDao(r *redis.Redis, mc *memcache.Memcache, db *sql.DB) (d *dao, cf func(), err error) {
var cfg struct{
DemoExpire xtime.Duration
}
if err = paladin.Get("application.toml").UnmarshalTOML(&cfg); err != nil {
return
}
d = &dao{
db: db,
redis: r,
mc: mc,
cache: fanout.New("cache"),
demoExpire: int32(time.Duration(cfg.DemoExpire) / time.Second),
}
cf = d.Close
return
}
// Close close the resource.
func (d *dao) Close() {
d.cache.Close()
}
// Ping ping the resource.
func (d *dao) Ping(ctx context.Context) (err error) {
return nil
}