feat: export guilds from old bot and import into new one

go-exporter/guild.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/diamondburned/arikawa/v3/discord"
+	"github.com/georgysavva/scany/pgxscan"
+)
+
+type Guild struct {
+	ID              uint64
+	Channels        map[string]discord.Snowflake
+	Redirects       map[string]discord.Snowflake
+	IgnoredChannels []uint64
+	BannedSystems   []string
+	KeyRoles        []uint64
+	IgnoredUsers    []uint64
+}
+
+type Invite struct {
+	GuildID uint64
+	Code    string
+	Name    string
+}
+
+type WatchlistEntry struct {
+	GuildID   uint64
+	UserID    uint64
+	Moderator uint64
+	Added     time.Time
+	Reason    string
+}
+
+type GuildsExport struct {
+	Guilds    []Guild
+	Invites   []Invite
+	Watchlist []WatchlistEntry
+}
+
+func exportGuilds() error {
+	var guilds []Guild
+	err := pgxscan.Select(ctx, conn, &guilds, "SELECT * FROM guilds")
+	if err != nil {
+		return err
+	}
+
+	var invites []Invite
+	err = pgxscan.Select(ctx, conn, &invites, "SELECT * FROM invites")
+	if err != nil {
+		return err
+	}
+
+	var watchlist []WatchlistEntry
+	err = pgxscan.Select(ctx, conn, &watchlist, "SELECT * FROM watchlist")
+	if err != nil {
+		return err
+	}
+
+	b, err := json.Marshal(GuildsExport{guilds, invites, watchlist})
+	if err != nil {
+		return err
+	}
+
+	filename := fmt.Sprintf("guilds-%v.json", time.Now().Unix())
+
+	err = os.WriteFile(filename, b, 0o755)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}