go-common/app/interface/openplatform/article/service/like.go

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2019-04-22 10:49:16 +00:00
package service
import (
"context"
"go-common/app/interface/openplatform/article/dao"
artmdl "go-common/app/interface/openplatform/article/model"
thumbupmdl "go-common/app/service/main/thumbup/model"
"go-common/library/ecode"
"go-common/library/log"
)
func (s *Service) isLike(c context.Context, mid, aid int64) (res int8, err error) {
r, err := s.HadLikesByMid(c, mid, []int64{aid})
if err != nil {
return
}
res = r[aid]
return
}
// HadLikesByMid .
func (s *Service) HadLikesByMid(c context.Context, mid int64, aids []int64) (res map[int64]int8, err error) {
if mid == 0 || len(aids) == 0 {
return
}
arg := &thumbupmdl.ArgHasLike{Business: "article", MessageIDs: aids, Mid: mid}
res, err = s.thumbupRPC.HasLike(c, arg)
return
}
// Like like article
func (s *Service) Like(c context.Context, mid, aid int64, likeType int) (err error) {
var art *artmdl.Meta
if (likeType < 0) || (likeType > 4) {
err = ecode.RequestErr
return
}
if art, err = s.ArticleMeta(c, aid); err != nil || art == nil {
err = ecode.NothingFound
return
}
arg := &thumbupmdl.ArgLike{
Mid: mid,
UpMid: art.Author.Mid,
Business: "article",
MessageID: aid,
Type: int8(likeType),
}
if err = s.thumbupRPC.Like(c, arg); err != nil {
dao.PromError("like:thumbup-service")
log.Error("s.thumbupRPC.Like(%+v) err: %+v", arg, err)
}
return
}
// RecommendsWithLike recommends with like state
func (s *Service) RecommendsWithLike(c context.Context, cid int64, pn, ps int, lastAids []int64, sort int, mid int64) (res []*artmdl.RecommendArtWithLike, err error) {
var recs []*artmdl.RecommendArt
if recs, err = s.Recommends(c, cid, pn, ps, lastAids, sort); err != nil {
return
}
var aids []int64
for _, rec := range recs {
aids = append(aids, rec.ID)
}
states, _ := s.HadLikesByMid(c, mid, aids)
for _, rec := range recs {
r := &artmdl.RecommendArtWithLike{RecommendArt: *rec}
if states != nil {
r.LikeState = int(states[rec.ID])
}
res = append(res, r)
}
return
}