archivechannel.go

package database

import (
	"context"
	"github.com/jackc/pgx/v4"
	"github.com/jackc/pgx/v4/pgxpool"
)

type ArchiveChannel struct {
	*pgxpool.Pool
}

func newArchiveChannel(db *pgxpool.Pool) *ArchiveChannel {
	return &ArchiveChannel{
		db,
	}
}

func (c ArchiveChannel) Schema() string {
	return `
CREATE TABLE IF NOT EXISTS archive_channel(
	"guild_id" int8 NOT NULL UNIQUE,
	"channel_id" int8,
	PRIMARY KEY("guild_id")
);`
}

func (c *ArchiveChannel) Get(ctx context.Context, guildId uint64) (archiveChannel *uint64, e error) {
	query := `SELECT "channel_id" from archive_channel WHERE "guild_id" = $1;`

	if err := c.QueryRow(ctx, query, guildId).Scan(&archiveChannel); err != nil && err != pgx.ErrNoRows {
		e = err
	}

	return
}

func (c *ArchiveChannel) Set(ctx context.Context, guildId uint64, archiveChannel *uint64) (err error) {
	query := `
INSERT INTO archive_channel("guild_id", "channel_id")
VALUES($1, $2)
ON CONFLICT("guild_id") DO UPDATE SET "channel_id" = $2;
`

	_, err = c.Exec(ctx, query, guildId, archiveChannel)
	return
}

func (c *ArchiveChannel) DeleteByGuild(ctx context.Context, guildId uint64) (err error) {
	_, err = c.Exec(ctx, `DELETE FROM archive_channel WHERE "guild_id" = $1;`, guildId)
	return
}

func (c *ArchiveChannel) DeleteByChannel(ctx context.Context, channelId uint64) (err error) {
	_, err = c.Exec(ctx, `DELETE FROM archive_channel WHERE "channel_id" = $1;`, channelId)
	return
}