working commit

app/maindb/maindb.go

@@ -0,0 +1,48 @@
+package maindb
+
+import (
+	"fmt"
+	"path/filepath"
+
+	"mstore/app/logger"
+
+	"github.com/jmoiron/sqlx"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+
+type Database struct {
+	datapath string
+	log      *logger.Logger
+	db       *sqlx.DB
+}
+
+func NewDatabase(datapath string) *Database {
+	return &Database{
+		datapath: datapath,
+		log:      logger.NewLogger("maindb"),
+	}
+}
+
+func (db *Database) OpenDatabase() error {
+	var err error
+	dbPath := filepath.Join(db.datapath, "mstore.db")
+	db.db, err = sqlx.Open("sqlite3", fmt.Sprintf("%s?cache=shared&mode=rwc&_journal_mode=WAL", dbPath))
+	if err != nil {
+		return fmt.Errorf("Open database error: %v", err)
+	}
+	err = db.db.Ping()
+	if err != nil {
+		return fmt.Errorf("Ping database error: %v", err)
+	}
+	return err
+}
+
+func (db *Database) InitDatabase() error {
+	var err error
+	_, err = db.db.Exec(schema)
+	if err != nil {
+		return fmt.Errorf("Init database error: %v", err)
+	}
+	return err
+}