SimpleCloudNotifier/scnserver/db/impl/primary/compat.go

158 lines
3.0 KiB
Go

package primary
import (
"blackforestbytes.com/simplecloudnotifier/models"
"database/sql"
"errors"
"gogs.mikescher.com/BlackForestBytes/goext/sq"
)
func (db *Database) CreateCompatID(ctx TxContext, idtype string, newid string) (int64, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return 0, err
}
rows, err := tx.Query(ctx, "SELECT COALESCE(MAX(old), 0) FROM compat_ids", sq.PP{})
if err != nil {
return 0, err
}
if !rows.Next() {
return 0, errors.New("failed to query MAX(old)")
}
var oldid int64
err = rows.Scan(&oldid)
if err != nil {
return 0, err
}
oldid++
_, err = tx.Exec(ctx, "INSERT INTO compat_ids (old, new, type) VALUES (:old, :new, :typ)", sq.PP{
"old": oldid,
"new": newid,
"typ": idtype,
})
if err != nil {
return 0, err
}
return oldid, nil
}
func (db *Database) ConvertCompatID(ctx TxContext, oldid int64, idtype string) (*string, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
rows, err := tx.Query(ctx, "SELECT new FROM compat_ids WHERE old = :old AND type = :typ", sq.PP{
"old": oldid,
"typ": idtype,
})
if err != nil {
return nil, err
}
if !rows.Next() {
return nil, nil
}
var newid string
err = rows.Scan(&newid)
if err == sql.ErrNoRows {
return nil, nil
}
if err != nil {
return nil, err
}
return &newid, nil
}
func (db *Database) ConvertToCompatID(ctx TxContext, newid string) (*int64, *string, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, nil, err
}
rows, err := tx.Query(ctx, "SELECT old, type FROM compat_ids WHERE new = :new", sq.PP{"new": newid})
if err != nil {
return nil, nil, err
}
if !rows.Next() {
return nil, nil, nil
}
var oldid int64
var idtype string
err = rows.Scan(&oldid, &idtype)
if err == sql.ErrNoRows {
return nil, nil, nil
}
if err != nil {
return nil, nil, err
}
return &oldid, &idtype, nil
}
func (db *Database) ConvertToCompatIDOrCreate(ctx TxContext, idtype string, newid string) (int64, error) {
id1, _, err := db.ConvertToCompatID(ctx, newid)
if err != nil {
return 0, err
}
if id1 != nil {
return *id1, nil
}
id2, err := db.CreateCompatID(ctx, idtype, newid)
if err != nil {
return 0, err
}
return id2, nil
}
func (db *Database) GetAck(ctx TxContext, msgid models.MessageID) (bool, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return false, err
}
rows, err := tx.Query(ctx, "SELECT * FROM compat_acks WHERE message_id = :msgid LIMIT 1", sq.PP{
"msgid": msgid,
})
if err != nil {
return false, err
}
res := rows.Next()
err = rows.Close()
if err != nil {
return false, err
}
return res, nil
}
func (db *Database) SetAck(ctx TxContext, userid models.UserID, msgid models.MessageID) error {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return err
}
_, err = tx.Exec(ctx, "INSERT INTO compat_acks (user_id, message_id) VALUES (:uid, :mid)", sq.PP{
"uid": userid,
"mid": msgid,
})
if err != nil {
return err
}
return nil
}