zetaloop
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package logic
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import (
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"context"
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"errors"
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"juwan-backend/app/community/rpc/internal/svc"
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"juwan-backend/app/community/rpc/pb"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type SearchPostLikesLogic struct {
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ctx context.Context
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svcCtx *svc.ServiceContext
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logx.Logger
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}
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func NewSearchPostLikesLogic(ctx context.Context, svcCtx *svc.ServiceContext) *SearchPostLikesLogic {
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return &SearchPostLikesLogic{
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ctx: ctx,
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svcCtx: svcCtx,
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Logger: logx.WithContext(ctx),
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}
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}
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func (l *SearchPostLikesLogic) SearchPostLikes(in *pb.SearchPostLikesReq) (*pb.SearchPostLikesResp, error) {
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limit := in.GetLimit()
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if limit <= 0 {
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limit = 20
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}
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if limit > 100 {
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return nil, errors.New("limit too large")
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}
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offset := in.GetOffset()
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if offset < 0 {
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offset = 0
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}
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store := l.svcCtx.Store
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store.Mu.RLock()
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defer store.Mu.RUnlock()
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filtered := make([]*pb.PostLikes, 0, len(store.PostLikes))
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for _, like := range store.PostLikes {
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if in.PostId != nil && like.GetPostId() != in.GetPostId() {
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continue
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}
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if in.UserId != nil && like.GetUserId() != in.GetUserId() {
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continue
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}
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cp := *like
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filtered = append(filtered, &cp)
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}
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if offset >= int64(len(filtered)) {
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return &pb.SearchPostLikesResp{PostLikes: []*pb.PostLikes{}}, nil
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}
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end := offset + limit
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if end > int64(len(filtered)) {
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end = int64(len(filtered))
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}
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return &pb.SearchPostLikesResp{PostLikes: filtered[offset:end]}, nil
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}
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