Split migrations folder (#21549)

There are too many files in `models/migrations` folder so that I split
them into sub folders.

models/migrations/v1_17/v223.go

@@ -0,0 +1,104 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package v1_17 // nolint
+
+import (
+	"context"
+	"fmt"
+
+	"code.gitea.io/gitea/models/migrations/base"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+
+	"xorm.io/xorm"
+)
+
+func RenameCredentialIDBytes(x *xorm.Engine) error {
+	// This migration maybe rerun so that we should check if it has been run
+	credentialIDExist, err := x.Dialect().IsColumnExist(x.DB(), context.Background(), "webauthn_credential", "credential_id")
+	if err != nil {
+		return err
+	}
+	if credentialIDExist {
+		credentialIDBytesExists, err := x.Dialect().IsColumnExist(x.DB(), context.Background(), "webauthn_credential", "credential_id_bytes")
+		if err != nil {
+			return err
+		}
+		if !credentialIDBytesExists {
+			return nil
+		}
+	}
+
+	err = func() error {
+		// webauthnCredential table
+		type webauthnCredential struct {
+			ID        int64 `xorm:"pk autoincr"`
+			Name      string
+			LowerName string `xorm:"unique(s)"`
+			UserID    int64  `xorm:"INDEX unique(s)"`
+			// Note the lack of INDEX here
+			CredentialIDBytes []byte `xorm:"VARBINARY(1024)"` // CredentialID is at most 1023 bytes as per spec released 20 July 2022
+			PublicKey         []byte
+			AttestationType   string
+			AAGUID            []byte
+			SignCount         uint32 `xorm:"BIGINT"`
+			CloneWarning      bool
+			CreatedUnix       timeutil.TimeStamp `xorm:"INDEX created"`
+			UpdatedUnix       timeutil.TimeStamp `xorm:"INDEX updated"`
+		}
+		sess := x.NewSession()
+		defer sess.Close()
+		if err := sess.Begin(); err != nil {
+			return err
+		}
+
+		if err := sess.Sync2(new(webauthnCredential)); err != nil {
+			return fmt.Errorf("error on Sync2: %w", err)
+		}
+
+		if credentialIDExist {
+			// if both errors and message exist, drop message at first
+			if err := base.DropTableColumns(sess, "webauthn_credential", "credential_id"); err != nil {
+				return err
+			}
+		}
+
+		switch {
+		case setting.Database.UseMySQL:
+			if _, err := sess.Exec("ALTER TABLE `webauthn_credential` CHANGE credential_id_bytes credential_id VARBINARY(1024)"); err != nil {
+				return err
+			}
+		case setting.Database.UseMSSQL:
+			if _, err := sess.Exec("sp_rename 'webauthn_credential.credential_id_bytes', 'credential_id', 'COLUMN'"); err != nil {
+				return err
+			}
+		default:
+			if _, err := sess.Exec("ALTER TABLE `webauthn_credential` RENAME COLUMN credential_id_bytes TO credential_id"); err != nil {
+				return err
+			}
+		}
+		return sess.Commit()
+	}()
+	if err != nil {
+		return err
+	}
+
+	// Create webauthnCredential table
+	type webauthnCredential struct {
+		ID              int64 `xorm:"pk autoincr"`
+		Name            string
+		LowerName       string `xorm:"unique(s)"`
+		UserID          int64  `xorm:"INDEX unique(s)"`
+		CredentialID    []byte `xorm:"INDEX VARBINARY(1024)"` // CredentialID is at most 1023 bytes as per spec released 20 July 2022
+		PublicKey       []byte
+		AttestationType string
+		AAGUID          []byte
+		SignCount       uint32 `xorm:"BIGINT"`
+		CloneWarning    bool
+		CreatedUnix     timeutil.TimeStamp `xorm:"INDEX created"`
+		UpdatedUnix     timeutil.TimeStamp `xorm:"INDEX updated"`
+	}
+	return x.Sync2(&webauthnCredential{})
+}