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22 lines
357 B
Go
22 lines
357 B
Go
package challenge
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import (
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"crawlab/model"
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"github.com/globalsign/mgo/bson"
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)
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type CreateUserService struct {
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UserId bson.ObjectId
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}
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func (s *CreateUserService) Check() (bool, error) {
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query := bson.M{
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"user_id": s.UserId,
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}
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list, err := model.GetUserList(query, 0, 1, "-_id")
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if err != nil {
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return false, err
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}
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return len(list) > 0, nil
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}
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