Monorepo for Tangled
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import "database/sql"
// UpsertIssueSubscription inserts or updates a user's subscription for an issue.// subscribed=true means they want notifications; subscribed=false means explicitly unsubscribed.func UpsertIssueSubscription(e Execer, userDid string, issueId int64, subscribed bool) error { sub := 0 if subscribed { sub = 1 } _, err := e.Exec(` INSERT INTO issue_subscriptions (user_did, issue_id, subscribed) VALUES (?, ?, ?) ON CONFLICT(user_did, issue_id) DO UPDATE SET subscribed = excluded.subscribed `, userDid, issueId, sub) return err}
// UpsertPullSubscription inserts or updates a user's subscription for a pull.func UpsertPullSubscription(e Execer, userDid string, pullId int64, subscribed bool) error { sub := 0 if subscribed { sub = 1 } _, err := e.Exec(` INSERT INTO pull_subscriptions (user_did, pull_id, subscribed) VALUES (?, ?, ?) ON CONFLICT(user_did, pull_id) DO UPDATE SET subscribed = excluded.subscribed `, userDid, pullId, sub) return err}
// GetIssueSubscription returns (subscribed, found, err).// If no row exists, found=false (meaning no explicit subscription).func GetIssueSubscription(e Execer, userDid string, issueId int64) (subscribed bool, found bool, err error) { var sub int err = e.QueryRow(` SELECT subscribed FROM issue_subscriptions WHERE user_did = ? AND issue_id = ? `, userDid, issueId).Scan(&sub) if err == sql.ErrNoRows { return false, false, nil } if err != nil { return false, false, err } return sub == 1, true, nil}
// GetPullSubscription returns (subscribed, found, err).func GetPullSubscription(e Execer, userDid string, pullId int64) (subscribed bool, found bool, err error) { var sub int err = e.QueryRow(` SELECT subscribed FROM pull_subscriptions WHERE user_did = ? AND pull_id = ? `, userDid, pullId).Scan(&sub) if err == sql.ErrNoRows { return false, false, nil } if err != nil { return false, false, err } return sub == 1, true, nil}
// GetIssueSubscribers returns DIDs with subscribed=1 for an issue.func GetIssueSubscribers(e Execer, issueId int64) ([]string, error) { rows, err := e.Query(` SELECT user_did FROM issue_subscriptions WHERE issue_id = ? AND subscribed = 1 `, issueId) if err != nil { return nil, err } defer rows.Close() var dids []string for rows.Next() { var did string if err := rows.Scan(&did); err != nil { return nil, err } dids = append(dids, did) } return dids, rows.Err()}
// GetIssueUnsubscribers returns DIDs with subscribed=0 for an issue (opted out).func GetIssueUnsubscribers(e Execer, issueId int64) ([]string, error) { rows, err := e.Query(` SELECT user_did FROM issue_subscriptions WHERE issue_id = ? AND subscribed = 0 `, issueId) if err != nil { return nil, err } defer rows.Close() var dids []string for rows.Next() { var did string if err := rows.Scan(&did); err != nil { return nil, err } dids = append(dids, did) } return dids, rows.Err()}
// GetPullSubscribers returns DIDs with subscribed=1 for a pull.func GetPullSubscribers(e Execer, pullId int64) ([]string, error) { rows, err := e.Query(` SELECT user_did FROM pull_subscriptions WHERE pull_id = ? AND subscribed = 1 `, pullId) if err != nil { return nil, err } defer rows.Close() var dids []string for rows.Next() { var did string if err := rows.Scan(&did); err != nil { return nil, err } dids = append(dids, did) } return dids, rows.Err()}
// GetPullUnsubscribers returns DIDs with subscribed=0 for a pull (opted out).func GetPullUnsubscribers(e Execer, pullId int64) ([]string, error) { rows, err := e.Query(` SELECT user_did FROM pull_subscriptions WHERE pull_id = ? AND subscribed = 0 `, pullId) if err != nil { return nil, err } defer rows.Close() var dids []string for rows.Next() { var did string if err := rows.Scan(&did); err != nil { return nil, err } dids = append(dids, did) } return dids, rows.Err()}