43 lines
802 B
Go
43 lines
802 B
Go
package entity
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import (
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"fmt"
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)
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// Subjects represents a list of subjects.
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type Subjects []Subject
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// Delete (soft) deletes all subjects.
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func (m Subjects) Delete() error {
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for _, subj := range m {
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if err := subj.Delete(); err != nil {
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return err
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}
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}
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return nil
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}
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// OrphanPeople returns unused subjects.
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func OrphanPeople() (Subjects, error) {
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orphans := Subjects{}
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err := Db().
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Where("subj_type = ?", SubjPerson).
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Where(fmt.Sprintf("subj_uid NOT IN (SELECT DISTINCT subj_uid FROM %s)", Marker{}.TableName())).
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Find(&orphans).Error
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return orphans, err
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}
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// DeleteOrphanPeople finds and (soft) deletes all unused people.
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func DeleteOrphanPeople() (count int, err error) {
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subj, err := OrphanPeople()
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if err != nil {
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return 0, err
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}
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return len(subj), subj.Delete()
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}
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