55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
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package userproductlogic
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import (
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"context"
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"errors"
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"tianyuan-api/apps/sentinel/internal/model"
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"tianyuan-api/apps/sentinel/internal/svc"
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"tianyuan-api/apps/sentinel/sentinel"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type CreateUserProductLogic 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 NewCreateUserProductLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreateUserProductLogic {
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return &CreateUserProductLogic{
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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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// UserProduct methods
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func (l *CreateUserProductLogic) CreateUserProduct(in *sentinel.CreateUserProductRequest) (*sentinel.UserProductEmptyResponse, error) {
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isExist, err := l.IsUserProductAssociated(l.ctx, in.UserId, in.ProductId)
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if err != nil {
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return nil, err
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}
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if isExist {
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return nil, errors.New("该产品已定阅读，无法重复订阅")
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}
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_, err = l.svcCtx.UserProductsModel.Insert(l.ctx, &model.UserProducts{UserId: in.UserId, ProductId: in.ProductId})
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if err != nil {
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return nil, err
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}
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return &sentinel.UserProductEmptyResponse{}, nil
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}
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func (l *CreateUserProductLogic) IsUserProductAssociated(ctx context.Context, userId, productId int64) (bool, error) {
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_, err := l.svcCtx.UserProductsModel.FindOneUserProduct(ctx, userId, productId)
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if err != nil {
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if err == model.ErrNotFound {
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return false, nil
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}
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return false, err
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}
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return true, nil
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}
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