set up database migrations

go.mod

@@ -4,6 +4,14 @@ go 1.22.4
 
 require github.com/joho/godotenv v1.5.1
 
-require github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
+require (
+	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
+	github.com/golang-migrate/migrate/v4 v4.18.1
+	github.com/mattn/go-sqlite3 v1.14.24
+)
 
-require github.com/mattn/go-sqlite3 v1.14.24 // indirect
+require (
+	github.com/hashicorp/errwrap v1.1.0 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	go.uber.org/atomic v1.11.0 // indirect
+)

go.sum

@@ -1,6 +1,25 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc=
 github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8=
+github.com/golang-migrate/migrate/v4 v4.18.1 h1:JML/k+t4tpHCpQTCAD62Nu43NUFzHY4CV3uAuvHGC+Y=
+github.com/golang-migrate/migrate/v4 v4.18.1/go.mod h1:HAX6m3sQgcdO81tdjn5exv20+3Kb13cmGli1hrD6hks=
+github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
+github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
+github.com/hashicorp/go-multierror v1.1.1 h1:H5DkEtf6CXdFp0N0Em5UCwQpXMWke8IA0+lD48awMYo=
+github.com/hashicorp/go-multierror v1.1.1/go.mod h1:iw975J/qwKPdAO1clOe2L8331t/9/fmwbPZ6JB6eMoM=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
 github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/lib/pq v1.10.9 h1:YXG7RB+JIjhP29X+OtkiDnYaXQwpS4JEWq7dtCCRUEw=
+github.com/lib/pq v1.10.9/go.mod h1:AlVN5x4E4T544tWzH6hKfbfQvm3HdbOxrmggDNAPY9o=
 github.com/mattn/go-sqlite3 v1.14.24 h1:tpSp2G2KyMnnQu99ngJ47EIkWVmliIizyZBfPrBWDRM=
 github.com/mattn/go-sqlite3 v1.14.24/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+go.uber.org/atomic v1.11.0 h1:ZvwS0R+56ePWxUNi+Atn9dWONBPp/AUETXlHW0DxSjE=
+go.uber.org/atomic v1.11.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

main.go

@@ -9,6 +9,9 @@ import (
 	"strings"
 
 	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+	"github.com/golang-migrate/migrate/v4"
+	"github.com/golang-migrate/migrate/v4/database/sqlite3"
+	_ "github.com/golang-migrate/migrate/v4/source/file"
 	"github.com/joho/godotenv"
 	_ "github.com/mattn/go-sqlite3"
 )
@@ -38,16 +41,19 @@ func main() {
 	}
 	defer db.Close()
 
-	createTableQuery := `
-    CREATE TABLE IF NOT EXISTS messages (
-        id INTEGER PRIMARY KEY AUTOINCREMENT,
-        user_id INTEGER,
-        username TEXT,
-        message TEXT,
-        answered INTEGER DEFAULT 0
-    );`
-	if _, err := db.Exec(createTableQuery); err != nil {
-		log.Fatalf("Ошибка создания базы данных: %v", err)
+	driver, err := sqlite3.WithInstance(db, &sqlite3.Config{})
+	if err != nil {
+		log.Fatalf("Ошибка создания миграционного драйвера: %v", err)
+	}
+
+	m, err := migrate.NewWithDatabaseInstance("file://migrations", "sqlite3", driver)
+	if err != nil {
+		log.Fatalf("Ошибка инициализации миграции: %v", err)
+	}
+
+	err = m.Up()
+	if err != nil && err != migrate.ErrNoChange {
+		log.Fatalf("Ошибка миграции: %v", err)
 	}
 
 	bot, err := tgbotapi.NewBotAPI(token)

migrations/001_create_table_messages.down.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS messages;

migrations/001_create_table_messages.up.sql

@@ -0,0 +1,7 @@
+CREATE TABLE IF NOT EXISTS messages (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    user_id INTEGER,
+    username TEXT,
+    message TEXT,
+    answered INTEGER DEFAULT 0
+);

migrations/002_add_answer_column.down.sql

@@ -0,0 +1 @@
+ALTER TABLE messages DROP COLUMN answer;

migrations/002_add_answer_column.up.sql

@@ -0,0 +1 @@
+ALTER TABLE messages ADD COLUMN answer TEXT;