106 lines
1.9 KiB
Go
106 lines
1.9 KiB
Go
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package main
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import (
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"database/sql"
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"fmt"
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"io/ioutil"
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"log"
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"os"
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"path/filepath"
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"strings"
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_ "modernc.org/sqlite"
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)
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func main() {
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if len(os.Args) < 2 {
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log.Fatal("Usage: go run cmd/migrate/main.go [up|down]")
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}
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command := os.Args[1]
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dbPath := "./messenger.db"
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db, err := sql.Open("sqlite", dbPath)
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if err != nil {
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log.Fatal(err)
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}
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defer db.Close()
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switch command {
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case "up":
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if err := migrateUp(db); err != nil {
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log.Fatal(err)
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}
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fmt.Println("Migrations completed successfully")
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case "down":
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if err := migrateDown(db); err != nil {
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log.Fatal(err)
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}
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fmt.Println("Rollback completed successfully")
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default:
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log.Fatal("Unknown command. Use 'up' or 'down'")
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}
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}
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func migrateUp(db *sql.DB) error {
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files, err := filepath.Glob("migrations/*.up.sql")
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if err != nil {
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return err
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}
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for _, file := range files {
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fmt.Printf("Applying migration: %s\n", file)
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content, err := ioutil.ReadFile(file)
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if err != nil {
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return err
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}
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// Разделяем по ";"
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statements := strings.Split(string(content), ";")
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for _, stmt := range statements {
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stmt = strings.TrimSpace(stmt)
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if stmt == "" {
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continue
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}
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if _, err := db.Exec(stmt); err != nil {
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return fmt.Errorf("failed to execute %s: %v\nStatement: %s", file, err, stmt)
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}
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}
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}
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return nil
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}
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func migrateDown(db *sql.DB) error {
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files, err := filepath.Glob("migrations/*.down.sql")
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if err != nil {
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return err
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}
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for _, file := range files {
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fmt.Printf("Rolling back: %s\n", file)
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content, err := ioutil.ReadFile(file)
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if err != nil {
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return err
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}
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statements := strings.Split(string(content), ";")
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for _, stmt := range statements {
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stmt = strings.TrimSpace(stmt)
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if stmt == "" {
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continue
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}
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if _, err := db.Exec(stmt); err != nil {
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return fmt.Errorf("failed to execute %s: %v", file, err)
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}
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}
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}
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return nil
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}
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