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99 lines
2.4 KiB
99 lines
2.4 KiB
package themis
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import (
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"context"
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"fmt"
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"time"
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)
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func (s *Store) AddAbsence(ctx context.Context, session time.Time, userId string) error {
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if session.Weekday() != time.Monday {
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return fmt.Errorf("not a monday")
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}
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tx, err := s.db.Begin()
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if err != nil {
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return fmt.Errorf("failed to begin transaction: %w", err)
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}
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defer tx.Commit() //nolint:errcheck
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stmt, err := s.db.PrepareContext(ctx, "INSERT INTO absences (session_date, userid) VALUES (?, ?)")
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if err != nil {
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return fmt.Errorf("failed to prepare absence query: %w", err)
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}
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_, err = stmt.ExecContext(ctx, session.Format("2006-01-02"), userId)
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if err != nil {
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return fmt.Errorf("failed to insert absence: %w", err)
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}
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return nil
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}
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func (s *Store) GetAbsentees(ctx context.Context, session time.Time) ([]string, error) {
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tx, err := s.db.Begin()
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if err != nil {
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return nil, fmt.Errorf("failed to begin transaction: %w", err)
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}
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defer tx.Commit() //nolint:errcheck
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stmt, err := s.db.PrepareContext(ctx, `SELECT userid FROM absences WHERE session_date = ?`)
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if err != nil {
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return nil, fmt.Errorf("failed to prepare query: %w", err)
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}
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rows, err := stmt.QueryContext(ctx, session.Format("2006-01-02"))
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if err != nil {
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return nil, fmt.Errorf("failed to execute query: %w", err)
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}
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absentees := make([]string, 0)
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for rows.Next() {
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var abs string
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err = rows.Scan(&abs)
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if err != nil {
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return nil, fmt.Errorf("failed to scan row: %w", err)
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}
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absentees = append(absentees, abs)
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}
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return absentees, nil
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}
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type Foo struct {
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session_date string
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userid string
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}
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func (s *Store) GetSchedule(ctx context.Context, from, to time.Time) ([]Foo, error) {
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tx, err := s.db.Begin()
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if err != nil {
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return nil, fmt.Errorf("failed to begin transaction: %w", err)
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}
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defer tx.Commit() //nolint:errcheck
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stmt, err := s.db.PrepareContext(ctx, `SELECT session_date, userid FROM absences WHERE session_date BETWEEN ? AND ? ORDER BY session_date ASC`)
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if err != nil {
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return nil, fmt.Errorf("failed to prepare query: %w", err)
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}
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rows, err := stmt.QueryContext(ctx, from.Format("2006-01-02"), to.Format("2006-01-02"))
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if err != nil {
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return nil, fmt.Errorf("failed to execute query: %w", err)
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}
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schedule := make([]Foo, 0)
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for rows.Next() {
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var foo Foo
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err = rows.Scan(&foo.session_date, &foo.userid)
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if err != nil {
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return nil, fmt.Errorf("failed to scan row: %w", err)
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}
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schedule = append(schedule, foo)
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}
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return schedule, nil
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}
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