big ole refactor

internal/db/migrations/20250124000001_initial_schema.go

@@ -0,0 +1,47 @@
+package migrations
+
+import (
+	"context"
+
+	"git.haelnorr.com/h/oslstats/internal/db"
+	"github.com/uptrace/bun"
+)
+
+func init() {
+	Migrations.MustRegister(
+		// UP: Create initial tables (users, discord_tokens)
+		func(ctx context.Context, conn *bun.DB) error {
+			// Create users table
+			_, err := conn.NewCreateTable().
+				Model((*db.User)(nil)).
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Create discord_tokens table
+			_, err = conn.NewCreateTable().
+				Model((*db.DiscordToken)(nil)).
+				Exec(ctx)
+			return err
+		},
+		// DOWN: Drop tables in reverse order
+		func(ctx context.Context, conn *bun.DB) error {
+			// Drop discord_tokens first (has foreign key to users)
+			_, err := conn.NewDropTable().
+				Model((*db.DiscordToken)(nil)).
+				IfExists().
+				Exec(ctx)
+			if err != nil {
+				return err
+			}
+
+			// Drop users table
+			_, err = conn.NewDropTable().
+				Model((*db.User)(nil)).
+				IfExists().
+				Exec(ctx)
+			return err
+		},
+	)
+}