Vladimir Zagainov
68660e4d83
Implement MarkNotificationSent, IsNotificationSent, and GetUnnotifiedReleases with LEFT JOIN query. Includes 10 table-driven tests covering success, error, idempotent, and edge cases. Also go fmt cleanup on existing files. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
70 lines
2.0 KiB
Go
70 lines
2.0 KiB
Go
package database
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
// MarkNotificationSent records that a notification has been sent for the given RGID.
|
|
func MarkNotificationSent(db *DB, rgid string) error {
|
|
_, err := db.Conn().Exec(
|
|
"INSERT OR IGNORE INTO notifications_sent (rgid) VALUES (?)",
|
|
rgid,
|
|
)
|
|
if err != nil {
|
|
return fmt.Errorf("mark notification sent: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// IsNotificationSent checks whether a notification has already been sent for the given RGID.
|
|
func IsNotificationSent(db *DB, rgid string) (bool, error) {
|
|
var count int
|
|
err := db.Conn().QueryRow(
|
|
"SELECT COUNT(*) FROM notifications_sent WHERE rgid = ?", rgid,
|
|
).Scan(&count)
|
|
if err != nil {
|
|
return false, fmt.Errorf("check notification sent: %w", err)
|
|
}
|
|
return count > 0, nil
|
|
}
|
|
|
|
// GetUnnotifiedReleases returns all external_release rows that have no entry in notifications_sent.
|
|
func GetUnnotifiedReleases(db *DB) ([]ExternalRelease, error) {
|
|
rows, err := db.Conn().Query(`
|
|
SELECT e.rgid, e.artist_id, e.title, e.type, e.release_date, e.is_ignored
|
|
FROM external_releases e
|
|
LEFT JOIN notifications_sent n ON e.rgid = n.rgid
|
|
WHERE n.rgid IS NULL
|
|
`)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("query unnotified releases: %w", err)
|
|
}
|
|
defer rows.Close()
|
|
|
|
var results []ExternalRelease
|
|
for rows.Next() {
|
|
var r ExternalRelease
|
|
if err := rows.Scan(&r.RGID, &r.ArtistID, &r.Title, &r.Type, &r.ReleaseDate, &r.IsIgnored); err != nil {
|
|
return nil, fmt.Errorf("scan unnotified release: %w", err)
|
|
}
|
|
results = append(results, r)
|
|
}
|
|
if err := rows.Err(); err != nil {
|
|
return nil, fmt.Errorf("iterate unnotified releases: %w", err)
|
|
}
|
|
return results, nil
|
|
}
|
|
|
|
// GetNotificationSentAt returns the sent_at time for a given RGID.
|
|
// Returns sql.ErrNoRows if no notification has been sent.
|
|
func GetNotificationSentAt(db *DB, rgid string) (string, error) {
|
|
var sentAt string
|
|
err := db.Conn().QueryRow(
|
|
"SELECT sent_at FROM notifications_sent WHERE rgid = ?", rgid,
|
|
).Scan(&sentAt)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return sentAt, nil
|
|
}
|