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sessions.go
61 lines (48 loc) · 1.4 KB
/
sessions.go
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package postgres
import (
"github.com/louisbranch/drake"
"github.com/pkg/errors"
)
func (db *DB) CreateSession(s *drake.Session) error {
q := `INSERT INTO sessions (name, created_at) VALUES ($1, $2) RETURNING id`
err := db.QueryRow(q, s.Name, s.CreatedAt).Scan(&s.ID)
if err != nil {
return errors.Wrap(err, "create session")
}
return nil
}
func (db *DB) FindSession(name string) (drake.Session, error) {
q := "SELECT id, name, created_at FROM sessions where name = $1"
s := drake.Session{}
err := db.QueryRow(q, name).Scan(&s.ID, &s.Name, &s.CreatedAt)
if err != nil {
return s, errors.Wrap(err, "find session")
}
return s, nil
}
func (db *DB) FindSessions() ([]drake.Session, error) {
var sessions []drake.Session
query := `SELECT sessions.id, name, COUNT(surveys.id) AS participants,
sessions.created_at FROM sessions
LEFT JOIN surveys ON surveys.session_id=sessions.id
GROUP BY sessions.id ORDER BY sessions.created_at DESC LIMIT 10
`
rows, err := db.Query(query)
if err != nil {
return nil, errors.Wrap(err, "query sessions")
}
defer rows.Close()
for rows.Next() {
s := drake.Session{}
err = rows.Scan(&s.ID, &s.Name, &s.Participants, &s.CreatedAt)
if err != nil {
return nil, errors.Wrap(err, "scan sessions")
}
sessions = append(sessions, s)
}
err = rows.Err()
if err != nil {
return nil, errors.Wrap(err, "find sessions")
}
return sessions, nil
}