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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,235 @@ | ||
| package service | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/CloudStriver/cloudmind-content/biz/infrastructure/consts" | ||
| "github.com/CloudStriver/cloudmind-content/biz/infrastructure/convertor" | ||
| "github.com/CloudStriver/cloudmind-content/biz/infrastructure/gorse" | ||
| gencontent "github.com/CloudStriver/service-idl-gen-go/kitex_gen/cloudmind/content" | ||
| "github.com/google/wire" | ||
| "github.com/samber/lo" | ||
| "github.com/zeromicro/go-zero/core/stores/redis" | ||
| "strconv" | ||
| ) | ||
|
|
||
| type IRecommendService interface { | ||
| CreateItems(ctx context.Context, req *gencontent.CreateItemsReq) (resp *gencontent.CreateItemsResp, err error) | ||
| UpdateItem(ctx context.Context, req *gencontent.UpdateItemReq) (resp *gencontent.UpdateItemResp, err error) | ||
| DeleteItem(ctx context.Context, req *gencontent.DeleteItemReq) (resp *gencontent.DeleteItemResp, err error) | ||
| GetPopularRecommend(ctx context.Context, req *gencontent.GetPopularRecommendReq) (resp *gencontent.GetPopularRecommendResp, err error) | ||
| GetRecommendByItem(ctx context.Context, req *gencontent.GetRecommendByItemReq) (resp *gencontent.GetRecommendByItemResp, err error) | ||
| GetRecommendByUser(ctx context.Context, req *gencontent.GetRecommendByUserReq) (resp *gencontent.GetRecommendByUserResp, err error) | ||
| GetLatestRecommend(ctx context.Context, req *gencontent.GetLatestRecommendReq) (resp *gencontent.GetLatestRecommendResp, err error) | ||
| CreateFeedBacks(ctx context.Context, req *gencontent.CreateFeedBacksReq) (resp *gencontent.CreateFeedBacksResp, err error) | ||
| } | ||
|
|
||
| type RecommendService struct { | ||
| Redis *redis.Redis | ||
| Gorse *gorse.GorseClient | ||
| } | ||
|
|
||
| func (s *RecommendService) CreateFeedBacks(ctx context.Context, req *gencontent.CreateFeedBacksReq) (resp *gencontent.CreateFeedBacksResp, err error) { | ||
| feedbacks := lo.Map[*gencontent.FeedBack, gorse.Feedback](req.FeedBacks, func(feedback *gencontent.FeedBack, index int) gorse.Feedback { | ||
| return convertor.FeedBackToGorseFeedBack(feedback) | ||
| }) | ||
| if _, err = s.Gorse.InsertFeedback(ctx, feedbacks); err != nil { | ||
| return resp, err | ||
| } | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) GetLatestRecommend(ctx context.Context, req *gencontent.GetLatestRecommendReq) (resp *gencontent.GetLatestRecommendResp, err error) { | ||
| resp = new(gencontent.GetLatestRecommendResp) | ||
| if req.Limit == nil { | ||
| req.Limit = lo.ToPtr(int64(consts.DefaultLimit)) | ||
| } | ||
|
|
||
| var ( | ||
| offset int | ||
| val string | ||
| items []gorse.Score | ||
| ) | ||
| if val, _ = s.Redis.GetCtx(ctx, fmt.Sprintf("cache:latest:recommend:%s", req.UserId)); val == "" { | ||
| offset = 0 | ||
| } else { | ||
| if offset, err = strconv.Atoi(val); err != nil { | ||
| offset = 0 | ||
| } | ||
| } | ||
|
|
||
| if req.Category != nil { | ||
| if items, err = s.Gorse.GetItemLatestWithCategory(ctx, req.UserId, req.GetCategory(), int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } else { | ||
| if items, err = s.Gorse.GetItemLatest(ctx, req.UserId, int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } | ||
| if len(resp.ItemIds) < int(req.GetLimit()) { | ||
| offset = 0 | ||
| } else { | ||
| offset += int(req.GetLimit()) | ||
| } | ||
|
|
||
| _ = s.Redis.SetexCtx(ctx, fmt.Sprintf("cache:latest:recommend:%s", req.UserId), strconv.Itoa(offset), 3600) | ||
| resp.ItemIds = lo.Map[gorse.Score, string](items, func(score gorse.Score, _ int) string { | ||
| return score.Id | ||
| }) | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) CreateItems(ctx context.Context, req *gencontent.CreateItemsReq) (resp *gencontent.CreateItemsResp, err error) { | ||
| items := lo.Map[*gencontent.Item, gorse.Item](req.Items, func(item *gencontent.Item, index int) gorse.Item { | ||
| return convertor.ItemToGorseItem(item) | ||
| }) | ||
| if _, err = s.Gorse.InsertItems(ctx, items); err != nil { | ||
| return resp, err | ||
| } | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) UpdateItem(ctx context.Context, req *gencontent.UpdateItemReq) (resp *gencontent.UpdateItemResp, err error) { | ||
| if _, err = s.Gorse.UpdateItem(ctx, req.ItemId, &gorse.ItemPatch{ | ||
| IsHidden: req.IsHidden, | ||
| Categories: req.Categories, | ||
| Labels: req.Labels, | ||
| Comment: req.Comment, | ||
| }); err != nil { | ||
| return resp, err | ||
| } | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) DeleteItem(ctx context.Context, req *gencontent.DeleteItemReq) (resp *gencontent.DeleteItemResp, err error) { | ||
| if _, err = s.Gorse.DeleteItem(ctx, req.ItemId); err != nil { | ||
| return resp, err | ||
| } | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) GetPopularRecommend(ctx context.Context, req *gencontent.GetPopularRecommendReq) (resp *gencontent.GetPopularRecommendResp, err error) { | ||
| resp = new(gencontent.GetPopularRecommendResp) | ||
| if req.Limit == nil { | ||
| req.Limit = lo.ToPtr(int64(consts.DefaultLimit)) | ||
| } | ||
|
|
||
| var ( | ||
| offset int | ||
| items []gorse.Score | ||
| val string | ||
| ) | ||
| if val, _ = s.Redis.GetCtx(ctx, fmt.Sprintf("cache:popular:recommend:%s", req.UserId)); val == "" { | ||
| offset = 0 | ||
| } else { | ||
| if offset, err = strconv.Atoi(val); err != nil { | ||
| offset = 0 | ||
| } | ||
| } | ||
|
|
||
| if req.Category != nil { | ||
| if items, err = s.Gorse.GetItemPopularWithCategory(ctx, req.UserId, req.GetCategory(), int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } else { | ||
| if items, err = s.Gorse.GetItemPopular(ctx, req.UserId, int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } | ||
| if len(items) < int(req.GetLimit()) { | ||
| offset = 0 | ||
| } else { | ||
| offset += int(req.GetLimit()) | ||
| } | ||
|
|
||
| _ = s.Redis.SetexCtx(ctx, fmt.Sprintf("cache:popular:recommend:%s", req.UserId), strconv.Itoa(offset), 3600) | ||
|
|
||
| resp.ItemIds = lo.Map[gorse.Score, string](items, func(score gorse.Score, _ int) string { | ||
| return score.Id | ||
| }) | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) GetRecommendByItem(ctx context.Context, req *gencontent.GetRecommendByItemReq) (resp *gencontent.GetRecommendByItemResp, err error) { | ||
| resp = new(gencontent.GetRecommendByItemResp) | ||
| if req.Limit == nil { | ||
| req.Limit = lo.ToPtr(int64(consts.DefaultLimit)) | ||
| } | ||
|
|
||
| var ( | ||
| offset int | ||
| val string | ||
| items []gorse.Score | ||
| ) | ||
| if val, _ = s.Redis.GetCtx(ctx, fmt.Sprintf("cache:item:recommend:%s", req.ItemId)); val == "" { | ||
| offset = 0 | ||
| } else { | ||
| if offset, err = strconv.Atoi(val); err != nil { | ||
| offset = 0 | ||
| } | ||
| } | ||
|
|
||
| if req.Category != nil { | ||
| if items, err = s.Gorse.GetItemNeighborsWithCategory(ctx, req.ItemId, req.GetCategory(), int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } else { | ||
| if items, err = s.Gorse.GetItemNeighbors(ctx, req.ItemId, int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } | ||
| if len(resp.ItemIds) < int(req.GetLimit()) { | ||
| offset = 0 | ||
| } else { | ||
| offset += int(req.GetLimit()) | ||
| } | ||
|
|
||
| _ = s.Redis.SetexCtx(ctx, fmt.Sprintf("cache:item:recommend:%s", req.ItemId), strconv.Itoa(offset), 3600) | ||
| resp.ItemIds = lo.Map[gorse.Score, string](items, func(score gorse.Score, _ int) string { | ||
| return score.Id | ||
| }) | ||
| return resp, nil | ||
| } | ||
|
|
||
| func (s *RecommendService) GetRecommendByUser(ctx context.Context, req *gencontent.GetRecommendByUserReq) (resp *gencontent.GetRecommendByUserResp, err error) { | ||
| resp = new(gencontent.GetRecommendByUserResp) | ||
| if req.Limit == nil { | ||
| req.Limit = lo.ToPtr(int64(consts.DefaultLimit)) | ||
| } | ||
|
|
||
| var ( | ||
| offset int | ||
| val string | ||
| ) | ||
| if val, _ = s.Redis.GetCtx(ctx, fmt.Sprintf("cache:user:recommend:%s", req.UserId)); val == "" { | ||
| offset = 0 | ||
| } else { | ||
| if offset, err = strconv.Atoi(val); err != nil { | ||
| offset = 0 | ||
| } | ||
| } | ||
|
|
||
| if req.Category != nil { | ||
| if resp.ItemIds, err = s.Gorse.GetItemRecommendWithCategory(ctx, req.UserId, req.GetCategory(), "read", "60m", int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } else { | ||
| if resp.ItemIds, err = s.Gorse.GetItemRecommend(ctx, req.UserId, []string{}, "read", "60m", int(req.GetLimit()), offset); err != nil { | ||
| return resp, err | ||
| } | ||
| } | ||
| if len(resp.ItemIds) < int(req.GetLimit()) { | ||
| offset = 0 | ||
| } else { | ||
| offset += int(req.GetLimit()) | ||
| } | ||
|
|
||
| _ = s.Redis.SetexCtx(ctx, fmt.Sprintf("cache:user:recommend:%s", req.UserId), strconv.Itoa(offset), 3600) | ||
| return resp, nil | ||
| } | ||
|
|
||
| var RecommendSet = wire.NewSet( | ||
| wire.Struct(new(RecommendService), "*"), | ||
| wire.Bind(new(IRecommendService), new(*RecommendService)), | ||
| ) |
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