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

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package primary
import (
"blackforestbytes.com/simplecloudnotifier/db"
"blackforestbytes.com/simplecloudnotifier/models"
"database/sql"
"errors"
"gogs.mikescher.com/BlackForestBytes/goext/sq"
"time"
)
func (db *Database) CreateSubscription(ctx db.TxContext, subscriberUID models.UserID, channel models.Channel, confirmed bool) (models.Subscription, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return models.Subscription{}, err
}
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entity := models.SubscriptionDB{
SubscriptionID: models.NewSubscriptionID(),
SubscriberUserID: subscriberUID,
ChannelOwnerUserID: channel.OwnerUserID,
ChannelID: channel.ChannelID,
ChannelInternalName: channel.InternalName,
TimestampCreated: time2DB(time.Now()),
Confirmed: bool2DB(confirmed),
}
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_, err = sq.InsertSingle(ctx, tx, "subscriptions", entity)
if err != nil {
return models.Subscription{}, err
}
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return entity.Model(), nil
}
func (db *Database) ListSubscriptions(ctx db.TxContext, filter models.SubscriptionFilter) ([]models.Subscription, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
filterCond, filterJoin, prepParams, err := filter.SQL()
orderClause := " ORDER BY subscriptions.timestamp_created DESC, subscriptions.subscription_id DESC "
sqlQuery := "SELECT " + "subscriptions.*" + " FROM subscriptions " + filterJoin + " WHERE ( " + filterCond + " ) " + orderClause
rows, err := tx.Query(ctx, sqlQuery, prepParams)
if err != nil {
return nil, err
}
data, err := models.DecodeSubscriptions(rows)
if err != nil {
return nil, err
}
return data, nil
}
func (db *Database) GetSubscription(ctx db.TxContext, subid models.SubscriptionID) (models.Subscription, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return models.Subscription{}, err
}
rows, err := tx.Query(ctx, "SELECT * FROM subscriptions WHERE subscription_id = :sid LIMIT 1", sq.PP{"sid": subid})
if err != nil {
return models.Subscription{}, err
}
sub, err := models.DecodeSubscription(rows)
if err != nil {
return models.Subscription{}, err
}
return sub, nil
}
func (db *Database) GetSubscriptionBySubscriber(ctx db.TxContext, subscriberId models.UserID, channelId models.ChannelID) (*models.Subscription, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
rows, err := tx.Query(ctx, "SELECT * FROM subscriptions WHERE subscriber_user_id = :suid AND channel_id = :cid LIMIT 1", sq.PP{
"suid": subscriberId,
"cid": channelId,
})
if err != nil {
return nil, err
}
user, err := models.DecodeSubscription(rows)
if errors.Is(err, sql.ErrNoRows) {
return nil, nil
}
if err != nil {
return nil, err
}
return &user, nil
}
func (db *Database) DeleteSubscription(ctx db.TxContext, subid models.SubscriptionID) error {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return err
}
_, err = tx.Exec(ctx, "DELETE FROM subscriptions WHERE subscription_id = :sid", sq.PP{"sid": subid})
if err != nil {
return err
}
return nil
}
func (db *Database) UpdateSubscriptionConfirmed(ctx db.TxContext, subscriptionID models.SubscriptionID, confirmed bool) error {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return err
}
_, err = tx.Exec(ctx, "UPDATE subscriptions SET confirmed = :conf WHERE subscription_id = :sid", sq.PP{
"conf": confirmed,
"sid": subscriptionID,
})
if err != nil {
return err
}
return nil
}