Create database package (refactoring)

storage/migration.go

@@ -1,55 +0,0 @@
-// Copyright 2017 Frédéric Guillot. All rights reserved.
-// Use of this source code is governed by the Apache 2.0
-// license that can be found in the LICENSE file.
-
-package storage
-
-import (
-	"fmt"
-	"strconv"
-
-	"github.com/miniflux/miniflux/logger"
-	"github.com/miniflux/miniflux/sql"
-)
-
-const schemaVersion = 20
-
-// Migrate run database migrations.
-func (s *Storage) Migrate() {
-	var currentVersion int
-	s.db.QueryRow(`select version from schema_version`).Scan(&currentVersion)
-
-	fmt.Println("Current schema version:", currentVersion)
-	fmt.Println("Latest schema version:", schemaVersion)
-
-	for version := currentVersion + 1; version <= schemaVersion; version++ {
-		fmt.Println("Migrating to version:", version)
-
-		tx, err := s.db.Begin()
-		if err != nil {
-			logger.Fatal("[Storage:Migrate] %v", err)
-		}
-
-		rawSQL := sql.SqlMap["schema_version_"+strconv.Itoa(version)]
-		// fmt.Println(rawSQL)
-		_, err = tx.Exec(rawSQL)
-		if err != nil {
-			tx.Rollback()
-			logger.Fatal("[Storage:Migrate] %v", err)
-		}
-
-		if _, err := tx.Exec(`delete from schema_version`); err != nil {
-			tx.Rollback()
-			logger.Fatal("[Storage:Migrate] %v", err)
-		}
-
-		if _, err := tx.Exec(`insert into schema_version (version) values($1)`, version); err != nil {
-			tx.Rollback()
-			logger.Fatal("[Storage:Migrate] %v", err)
-		}
-
-		if err := tx.Commit(); err != nil {
-			logger.Fatal("[Storage:Migrate] %v", err)
-		}
-	}
-}