70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
package postservicelogic
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import (
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"app-cloudep-tweeting-service/internal/domain"
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model "app-cloudep-tweeting-service/internal/model/mongo"
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"context"
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ers "code.30cm.net/digimon/library-go/errs"
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"app-cloudep-tweeting-service/gen_result/pb/tweeting"
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"app-cloudep-tweeting-service/internal/svc"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type LikeLogic 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 NewLikeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *LikeLogic {
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return &LikeLogic{
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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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type likeReq struct {
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Target string `json:"target" validate:"required"`
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UID string `json:"uid" validate:"required"`
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}
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// Like 點讚/取消讚 貼文
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func (l *LikeLogic) Like(in *tweeting.LikeReq) (*tweeting.PostReactionActionResp, error) {
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// 驗證資料
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if err := l.svcCtx.Validate.ValidateAll(&likeReq{
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Target: in.TargetId,
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UID: in.GetUid(),
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}); err != nil {
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return nil, ers.InvalidFormat(err.Error())
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}
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likeResp, err := l.svcCtx.PostLikeModel.LikeDislike(l.ctx, &model.PostLikes{
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TargetID: in.GetTargetId(),
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UID: in.GetUid(),
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Type: int8(in.GetLikeType()),
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})
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if err != nil {
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e := domain.PostMongoErrorL(
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logx.WithContext(l.ctx),
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[]logx.LogField{
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{Key: "req", Value: in},
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{Key: "func", Value: "PostModel.LikeDislike"},
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{Key: "err", Value: err},
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},
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"failed to like or dislike").Wrap(err)
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return nil, e
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}
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// 將文章的數量增加或減少的功能，是業務邏輯，從外面再決定要不要丟MQ 後算，或是怎麼算
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return &tweeting.PostReactionActionResp{
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PostID: likeResp.PostID,
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ReactionType: int64(likeResp.ReactionType),
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IsIncrement: likeResp.IsIncrement,
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}, nil
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}
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