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package alertmetrics
import (
"context"
"database/sql"
"fmt"
"time"
"github.com/jackc/pgtype"
"github.com/target/goalert/permission"
"github.com/target/goalert/util"
"github.com/target/goalert/util/sqlutil"
)
type Store struct {
db *sql.DB
findMetrics *sql.Stmt
}
func NewStore(ctx context.Context, db *sql.DB) (*Store, error) {
p := &util.Prepare{DB: db, Ctx: ctx}
return &Store{
db: db,
findMetrics: p.P(`select alert_id, coalesce(time_to_ack, time_to_close), time_to_close, escalated, closed_at from alert_metrics where alert_id = any($1)`),
}, p.Err
}
type Metric struct {
ID int
TimeToAck time.Duration
TimeToClose time.Duration
ClosedAt time.Time
Escalated bool
}
func (s *Store) FindMetrics(ctx context.Context, alertIDs []int) ([]Metric, error) {
err := permission.LimitCheckAny(ctx, permission.User)
if err != nil {
return nil, err
}
rows, err := s.findMetrics.QueryContext(ctx, sqlutil.IntArray(alertIDs))
if err != nil {
return nil, fmt.Errorf("query: %w", err)
}
defer rows.Close()
var metrics []Metric
for rows.Next() {
var m Metric
var ack, cls pgtype.Interval
if err := rows.Scan(&m.ID, &ack, &cls, &m.Escalated, &m.ClosedAt); err != nil {
return nil, fmt.Errorf("scanning metric: %w", err)
}
err = ack.AssignTo(&m.TimeToAck)
if err != nil {
return nil, fmt.Errorf("assigning metric: %w", err)
}
err = cls.AssignTo(&m.TimeToClose)
if err != nil {
return nil, fmt.Errorf("assigning metric: %w", err)
}
metrics = append(metrics, m)
}
return metrics, nil
}
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