78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
package dashboard
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import (
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"context"
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"errors"
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"time"
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"gorm.io/gorm"
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"git.apinb.com/ops/license/internal/issuance"
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)
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var ErrInvalidInput = errors.New("invalid dashboard input")
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type Overview struct {
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SubjectCount int64
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IssuanceCount int64
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ExpiringSoonCount int64
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RecentIssuances []issuance.RecordSummary
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}
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type Service struct {
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db *gorm.DB
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}
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func NewService(db *gorm.DB) (*Service, error) {
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if db == nil {
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return nil, ErrInvalidInput
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}
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return &Service{db: db}, nil
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}
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func (s *Service) Get(ctx context.Context) (Overview, error) {
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if s == nil || s.db == nil || ctx == nil {
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return Overview{}, ErrInvalidInput
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}
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var result Overview
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db := s.db.WithContext(ctx)
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if err := db.Raw("SELECT COUNT(*) FROM authorization_subjects").Scan(&result.SubjectCount).Error; err != nil {
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return Overview{}, err
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}
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if err := db.Raw("SELECT COUNT(*) FROM licence_issuances").Scan(&result.IssuanceCount).Error; err != nil {
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return Overview{}, err
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}
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shanghai := time.FixedZone("Asia/Shanghai", 8*60*60)
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now := time.Now().In(shanghai)
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today := time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, shanghai)
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endDate := today.AddDate(0, 0, 30)
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if err := db.Raw(`
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SELECT COUNT(*)
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FROM (
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SELECT DISTINCT ON (subject_id) subject_id, expires_on
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FROM licence_issuances
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ORDER BY subject_id, issued_at DESC, id DESC
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) AS latest
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WHERE latest.expires_on BETWEEN ? AND ?`, today, endDate).
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Scan(&result.ExpiringSoonCount).Error; err != nil {
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return Overview{}, err
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}
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if err := db.Raw(`
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SELECT issuances.id, issuances.subject_id, subjects.platform_name, subjects.workspace,
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issuances.issuance_type, issuances.previous_licence_id, issuances.valid_from,
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issuances.expires_on, issuances.issued_at
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FROM licence_issuances AS issuances
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JOIN authorization_subjects AS subjects ON subjects.id = issuances.subject_id
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ORDER BY issuances.issued_at DESC, issuances.id DESC
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LIMIT 10`).Scan(&result.RecentIssuances).Error; err != nil {
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return Overview{}, err
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}
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if result.RecentIssuances == nil {
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result.RecentIssuances = make([]issuance.RecordSummary, 0)
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}
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return result, nil
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}
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