feat: 实现数据库备份与恢复

server/internal/db/application/application.go

@@ -1,17 +1,57 @@
 package application
 
 import (
+	"fmt"
+	"mayfly-go/internal/db/domain/repository"
 	"mayfly-go/internal/db/infrastructure/persistence"
 	tagapp "mayfly-go/internal/tag/application"
+	"sync"
 )
 
 var (
-	instanceApp  Instance  = newInstanceApp(persistence.GetInstanceRepo())
-	dbApp        Db        = newDbApp(persistence.GetDbRepo(), persistence.GetDbSqlRepo(), instanceApp, tagapp.GetTagTreeApp())
-	dbSqlExecApp DbSqlExec = newDbSqlExecApp(persistence.GetDbSqlExecRepo())
-	dbSqlApp     DbSql     = newDbSqlApp(persistence.GetDbSqlRepo())
+	instanceApp         Instance
+	dbApp               Db
+	dbSqlExecApp        DbSqlExec
+	dbSqlApp            DbSql
+	dbBackupApp         *DbBackupApp
+	dbBackupHistoryApp  *DbBackupHistoryApp
+	dbRestoreApp        *DbRestoreApp
+	dbRestoreHistoryApp *DbRestoreHistoryApp
 )
 
+var repositories *repository.Repositories
+
+func Init() {
+	sync.OnceFunc(func() {
+		repositories = &repository.Repositories{
+			Instance:       persistence.GetInstanceRepo(),
+			Backup:         persistence.NewDbBackupRepo(),
+			BackupHistory:  persistence.NewDbBackupHistoryRepo(),
+			Restore:        persistence.NewDbRestoreRepo(),
+			RestoreHistory: persistence.NewDbRestoreHistoryRepo(),
+			Binlog:         persistence.NewDbBinlogRepo(),
+			BinlogHistory:  persistence.NewDbBinlogHistoryRepo(),
+		}
+		var err error
+		instanceRepo := persistence.GetInstanceRepo()
+		instanceApp = newInstanceApp(instanceRepo)
+		dbApp = newDbApp(persistence.GetDbRepo(), persistence.GetDbSqlRepo(), instanceApp, tagapp.GetTagTreeApp())
+		dbSqlExecApp = newDbSqlExecApp(persistence.GetDbSqlExecRepo())
+		dbSqlApp = newDbSqlApp(persistence.GetDbSqlRepo())
+
+		dbBackupApp, err = newDbBackupApp(repositories)
+		if err != nil {
+			panic(fmt.Sprintf("初始化 dbBackupApp 失败: %v", err))
+		}
+		dbRestoreApp, err = newDbRestoreApp(repositories)
+		if err != nil {
+			panic(fmt.Sprintf("初始化 dbRestoreApp 失败: %v", err))
+		}
+		dbBackupHistoryApp, err = newDbBackupHistoryApp(repositories)
+		dbRestoreHistoryApp, err = newDbRestoreHistoryApp(repositories)
+	})()
+}
+
 func GetInstanceApp() Instance {
 	return instanceApp
 }
@@ -27,3 +67,19 @@ func GetDbSqlApp() DbSql {
 func GetDbSqlExecApp() DbSqlExec {
 	return dbSqlExecApp
 }
+
+func GetDbBackupApp() *DbBackupApp {
+	return dbBackupApp
+}
+
+func GetDbBackupHistoryApp() *DbBackupHistoryApp {
+	return dbBackupHistoryApp
+}
+
+func GetDbRestoreApp() *DbRestoreApp {
+	return dbRestoreApp
+}
+
+func GetDbRestoreHistoryApp() *DbRestoreHistoryApp {
+	return dbRestoreHistoryApp
+}