76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
package db
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import (
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"context"
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"github.com/lib/pq"
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"gitea.theedgeofrage.com/TheEdgeOfRage/ytrssil-api/models"
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)
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var createChannelQuery = `INSERT INTO channels (id, name) VALUES ($1, $2)`
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func (d *postgresDB) CreateChannel(ctx context.Context, channel models.Channel) error {
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_, err := d.db.ExecContext(ctx, createChannelQuery, channel.ID, channel.Name)
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if err != nil {
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if pgerr, ok := err.(*pq.Error); ok {
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if pgerr.Code == "23505" {
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return ErrChannelExists
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}
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}
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d.l.Log("level", "ERROR", "function", "db.CreateChannel", "error", err)
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return err
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}
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return nil
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}
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var listChannelsQuery = `SELECT id, name FROM channels`
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func (d *postgresDB) ListChannels(ctx context.Context) ([]models.Channel, error) {
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rows, err := d.db.QueryContext(ctx, listChannelsQuery)
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if err != nil {
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d.l.Log("level", "ERROR", "function", "db.ListChannels", "call", "sql.QueryContext", "error", err)
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return nil, err
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}
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defer rows.Close()
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channels := make([]models.Channel, 0)
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for rows.Next() {
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var channel models.Channel
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err = rows.Scan(&channel.ID, &channel.Name)
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if err != nil {
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d.l.Log("level", "ERROR", "function", "db.ListChannels", "call", "sql.Scan", "error", err)
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return nil, err
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}
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channels = append(channels, channel)
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}
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return channels, nil
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}
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var getChannelSubscribersQuery = `SELECT username FROM user_subscriptions WHERE channel_id = $1`
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func (d *postgresDB) GetChannelSubscribers(ctx context.Context, channelID string) ([]string, error) {
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rows, err := d.db.QueryContext(ctx, getChannelSubscribersQuery, channelID)
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if err != nil {
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d.l.Log("level", "ERROR", "function", "db.GetChannelSubscribers", "call", "sql.QueryContext", "error", err)
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return nil, err
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}
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defer rows.Close()
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subs := make([]string, 0)
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for rows.Next() {
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var sub string
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err = rows.Scan(&sub)
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if err != nil {
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d.l.Log("level", "ERROR", "function", "db.GetChannelSubscribers", "call", "sql.Scan", "error", err)
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return nil, err
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}
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subs = append(subs, sub)
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}
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return subs, nil
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}
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