24 lines
509 B
Go
24 lines
509 B
Go
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package problem
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import (
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"errors"
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"github.com/WHUPRJ/woj-server/internal/e"
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"github.com/WHUPRJ/woj-server/internal/repo/model"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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func (s *service) Query(problemId uint) (*model.Problem, e.Status) {
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problem := new(model.Problem)
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err := s.db.Preload(clause.Associations).First(&problem, problemId).Error
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, e.ProblemNotFound
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}
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if err != nil {
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return nil, e.DatabaseError
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}
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return problem, e.Success
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}
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