SimpleCloudNotifier/server/db/channels.go

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package db
import (
"blackforestbytes.com/simplecloudnotifier/models"
"database/sql"
"time"
)
func (db *Database) GetChannelByName(ctx TxContext, userid int64, chanName string) (*models.Channel, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
rows, err := tx.QueryContext(ctx, "SELECT * FROM channels WHERE owner_user_id = ? OR name = ? LIMIT 1", userid, chanName)
if err != nil {
return nil, err
}
channel, err := models.DecodeChannel(rows)
if err == sql.ErrNoRows {
return nil, nil
}
if err != nil {
return nil, err
}
return &channel, nil
}
func (db *Database) CreateChannel(ctx TxContext, userid int64, name string, subscribeKey string, sendKey string) (models.Channel, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return models.Channel{}, err
}
now := time.Now().UTC()
res, err := tx.ExecContext(ctx, "INSERT INTO channels (owner_user_id, name, subscribe_key, send_key, timestamp_created) VALUES (?, ?, ?, ?, ?)",
userid,
name,
subscribeKey,
sendKey,
time2DB(now))
if err != nil {
return models.Channel{}, err
}
liid, err := res.LastInsertId()
if err != nil {
return models.Channel{}, err
}
return models.Channel{
ChannelID: liid,
OwnerUserID: userid,
Name: name,
SubscribeKey: subscribeKey,
SendKey: sendKey,
TimestampCreated: now,
TimestampLastSent: nil,
MessagesSent: 0,
}, nil
}
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func (db *Database) ListChannelsByOwner(ctx TxContext, userid int64) ([]models.Channel, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
rows, err := tx.QueryContext(ctx, "SELECT * FROM channels WHERE owner_user_id = ?", userid)
if err != nil {
return nil, err
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}
data, err := models.DecodeChannels(rows)
if err != nil {
return nil, err
}
return data, nil
}
func (db *Database) ListChannelsBySubscriber(ctx TxContext, userid int64, confirmed bool) ([]models.Channel, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
confCond := ""
if confirmed {
confCond = " AND sub.confirmed = 1"
}
rows, err := tx.QueryContext(ctx, "SELECT * FROM channels LEFT JOIN subscriptions sub on channels.channel_id = sub.channel_id WHERE sub.subscriber_user_id = ? "+confCond,
userid)
if err != nil {
return nil, err
}
data, err := models.DecodeChannels(rows)
if err != nil {
return nil, err
}
return data, nil
}
func (db *Database) ListChannelsByAccess(ctx TxContext, userid int64, confirmed bool) ([]models.Channel, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return nil, err
}
confCond := "sub.subscriber_user_id = ?"
if confirmed {
confCond = "(sub.subscriber_user_id = ? AND sub.confirmed = 1)"
}
rows, err := tx.QueryContext(ctx, "SELECT * FROM channels LEFT JOIN subscriptions sub on channels.channel_id = sub.channel_id WHERE owner_user_id = ? OR "+confCond,
userid)
if err != nil {
return nil, err
}
data, err := models.DecodeChannels(rows)
if err != nil {
return nil, err
}
return data, nil
}
func (db *Database) GetChannel(ctx TxContext, userid int64, channelid int64) (models.Channel, error) {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return models.Channel{}, err
}
rows, err := tx.QueryContext(ctx, "SELECT * FROM channels WHERE owner_user_id = ? AND channel_id = ? LIMIT 1", userid, channelid)
if err != nil {
return models.Channel{}, err
}
client, err := models.DecodeChannel(rows)
if err != nil {
return models.Channel{}, err
}
return client, nil
}
func (db *Database) IncChannelMessageCounter(ctx TxContext, channel models.Channel) error {
tx, err := ctx.GetOrCreateTransaction(db)
if err != nil {
return err
}
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_, err = tx.ExecContext(ctx, "UPDATE channels SET messages_sent = ?, timestamp_lastsent = ? WHERE channel_id = ?",
channel.MessagesSent+1,
time2DB(time.Now()),
channel.ChannelID)
if err != nil {
return err
}
return nil
}