Files
snippetbox/cmd/web/main.go
lbenedar e392f24256 ch4.5
2026-03-04 16:25:10 +03:00

70 lines
1.3 KiB
Go

package main
import (
"database/sql"
"flag"
"log"
"net/http"
"os"
"gitea.local.lab/Lbenedar/snippetbox/internal/models"
_ "github.com/go-sql-driver/mysql"
)
type application struct {
errorLog *log.Logger
infoLog *log.Logger
snippets *models.SnippetModel
}
type config struct {
addr string
staticDir string
dsn string
}
func main() {
var cfg config
flag.StringVar(&cfg.addr, "addr", ":4000", "HTTP network address")
flag.StringVar(&cfg.staticDir, "static-dir", "./ui/static", "Path to static assets")
flag.StringVar(&cfg.dsn, "dsn", "web:pass@/snippetbox?parseTime=true", "MySQL data source name")
flag.Parse()
errorLog := log.New(os.Stderr, "ERROR\t", log.Ldate|log.Ltime|log.Lshortfile)
infoLog := log.New(os.Stdout, "INFO\t", log.Ldate|log.Ltime)
db, err := openDB(cfg.dsn)
if err != nil {
errorLog.Fatal(err)
}
defer db.Close()
app := &application{
errorLog: errorLog,
infoLog: infoLog,
snippets: &models.SnippetModel{DB: db},
}
srv := &http.Server{
Addr: cfg.addr,
ErrorLog: errorLog,
Handler: app.routes(),
}
infoLog.Printf("Starting server on %s", cfg.addr)
err = srv.ListenAndServe()
errorLog.Fatal(err)
}
func openDB(dsn string) (*sql.DB, error) {
db, err := sql.Open("mysql", dsn)
if err != nil {
return nil, err
}
if err = db.Ping(); err != nil {
return nil, err
}
return db, nil
}