mirror of
https://github.com/Rain-kl/OpenFlare.git
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ryan
104 lines
2.4 KiB
Go
104 lines
2.4 KiB
Go
// Copyright 2025 linux.do
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// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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// Package migrator 提供数据库迁移功能
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package migrator
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import (
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"context"
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"embed"
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"log"
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"github.com/Rain-kl/Wavelet/internal/config"
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"github.com/Rain-kl/Wavelet/internal/db"
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"github.com/Rain-kl/Wavelet/internal/repository"
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"github.com/pressly/goose/v3"
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)
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// migrationFS contains SQL migrations under goose/<dialect>.
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//
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//go:embed goose/postgres/*.sql goose/sqlite/*.sql
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var migrationFS embed.FS
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// dbType 返回当前数据库类型名称（用于日志输出）
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func dbType() string {
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if !config.Config.Database.Enabled {
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return "SQLite"
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}
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return "PostgreSQL"
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}
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const (
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dialectSqlite = "sqlite3"
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dialectPostgres = "postgres"
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cascadeSuffix = " CASCADE"
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)
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// Report describes the database migration state observed during startup.
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type Report struct {
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Backend string
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Enabled bool
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Version int64
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Applied bool
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}
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func gooseDialect() string {
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if !config.Config.Database.Enabled {
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return dialectSqlite
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}
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return dialectPostgres
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}
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func migrationDir() string {
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if !config.Config.Database.Enabled {
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return "goose/sqlite"
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}
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return "goose/postgres"
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}
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// Migrate 执行数据库迁移
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func Migrate() Report {
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gormDB := db.DB(context.Background())
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if gormDB == nil {
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log.Fatalf("[%s] database not initialized\n", dbType())
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}
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sqlDB, err := gormDB.DB()
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if err != nil {
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log.Fatalf("[%s] load sql db failed: %v\n", dbType(), err)
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}
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goose.SetBaseFS(migrationFS)
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if err := goose.SetDialect(gooseDialect()); err != nil {
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log.Fatalf("[%s] set goose dialect failed: %v\n", dbType(), err)
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}
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previousVersion, err := goose.GetDBVersion(sqlDB)
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if err != nil {
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log.Fatalf("[%s] get goose version failed: %v\n", dbType(), err)
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}
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if err := goose.Up(sqlDB, migrationDir()); err != nil {
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log.Fatalf("[%s] goose migrate failed: %v\n", dbType(), err)
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}
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clearSystemConfigCache()
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currentVersion, err := goose.GetDBVersion(sqlDB)
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if err != nil {
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log.Fatalf("[%s] get migrated goose version failed: %v\n", dbType(), err)
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}
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log.Printf("[%s] goose migrate success\n", dbType())
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return Report{
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Backend: dbType(),
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Enabled: true,
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Version: currentVersion,
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Applied: currentVersion != previousVersion,
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}
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}
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func clearSystemConfigCache() {
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if err := repository.InvalidateAllSystemConfigCaches(context.Background()); err != nil {
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log.Printf("[%s] clear system config cache failed: %v\n", dbType(), err)
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}
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}
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