70 lines
2.7 KiB
Go
70 lines
2.7 KiB
Go
package course_management
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import (
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"Yimaru-Backend/internal/domain"
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"context"
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)
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// --- Prerequisites (admin) ---
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func (s *Service) AddSubCoursePrerequisite(ctx context.Context, subCourseID, prerequisiteSubCourseID int64) error {
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if subCourseID == prerequisiteSubCourseID {
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return domain.ErrSelfPrerequisite
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}
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return s.progressionStore.AddSubCoursePrerequisite(ctx, subCourseID, prerequisiteSubCourseID)
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}
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func (s *Service) RemoveSubCoursePrerequisite(ctx context.Context, subCourseID, prerequisiteSubCourseID int64) error {
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return s.progressionStore.RemoveSubCoursePrerequisite(ctx, subCourseID, prerequisiteSubCourseID)
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}
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func (s *Service) GetSubCoursePrerequisites(ctx context.Context, subCourseID int64) ([]domain.SubCoursePrerequisite, error) {
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return s.progressionStore.GetSubCoursePrerequisites(ctx, subCourseID)
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}
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func (s *Service) GetSubCourseDependents(ctx context.Context, prerequisiteSubCourseID int64) ([]domain.SubCourseDependent, error) {
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return s.progressionStore.GetSubCourseDependents(ctx, prerequisiteSubCourseID)
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}
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// --- User progress ---
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func (s *Service) CheckSubCourseAccess(ctx context.Context, userID, subCourseID int64) (bool, error) {
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unmet, err := s.progressionStore.CountUnmetPrerequisites(ctx, subCourseID, userID)
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if err != nil {
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return false, err
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}
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return unmet == 0, nil
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}
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func (s *Service) StartSubCourse(ctx context.Context, userID, subCourseID int64) (domain.UserSubCourseProgress, error) {
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accessible, err := s.CheckSubCourseAccess(ctx, userID, subCourseID)
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if err != nil {
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return domain.UserSubCourseProgress{}, err
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}
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if !accessible {
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return domain.UserSubCourseProgress{}, domain.ErrPrerequisiteNotMet
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}
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return s.progressionStore.StartSubCourseProgress(ctx, userID, subCourseID)
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}
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func (s *Service) UpdateSubCourseProgress(ctx context.Context, userID, subCourseID int64, percentage int16) error {
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return s.progressionStore.UpdateSubCourseProgress(ctx, userID, subCourseID, percentage)
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}
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func (s *Service) CompleteSubCourse(ctx context.Context, userID, subCourseID int64) error {
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return s.progressionStore.CompleteSubCourse(ctx, userID, subCourseID)
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}
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func (s *Service) GetUserSubCourseProgress(ctx context.Context, userID, subCourseID int64) (domain.UserSubCourseProgress, error) {
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return s.progressionStore.GetUserSubCourseProgress(ctx, userID, subCourseID)
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}
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func (s *Service) GetUserCourseProgress(ctx context.Context, userID, courseID int64) ([]domain.UserCourseProgressItem, error) {
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return s.progressionStore.GetUserCourseProgress(ctx, userID, courseID)
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}
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func (s *Service) GetSubCoursesWithProgress(ctx context.Context, userID, courseID int64) ([]domain.SubCourseWithProgress, error) {
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return s.progressionStore.GetSubCoursesWithProgressByCourse(ctx, userID, courseID)
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}
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