init

internal/core/utils/convert.go

@@ -0,0 +1,9 @@
+package utils
+
+import (
+	"strings"
+)
+
+func Str2StrSlice(value string) []string {
+	return strings.Split(strings.ReplaceAll(value, " ", ""), ",")
+}

internal/core/utils/os.go

@@ -0,0 +1,15 @@
+package utils
+
+import "os"
+
+func ExitErr() {
+	os.Exit(1)
+}
+
+func GetEnvOrDefault(key, defaultValue string) string {
+	value := os.Getenv(key)
+	if value == "" {
+		return defaultValue
+	}
+	return value
+}

internal/core/utils/password.go

@@ -0,0 +1,26 @@
+package utils
+
+import (
+	"golang.org/x/crypto/bcrypt"
+)
+
+// HashPassword hashes password and returns hashed password or error
+func HashPassword(password string) (string, error) {
+	hashedPassword, err := bcrypt.GenerateFromPassword(
+		[]byte(password),
+		bcrypt.DefaultCost,
+	)
+	if err != nil {
+		return "", err
+	}
+
+	return string(hashedPassword), nil
+}
+
+// ComparePassword compares password with hashed password and returns error if they don't match or nil if they do
+func ComparePassword(password, hashedPassword string) error {
+	return bcrypt.CompareHashAndPassword(
+		[]byte(hashedPassword),
+		[]byte(password),
+	)
+}

internal/core/utils/time.go

@@ -0,0 +1,7 @@
+package utils
+
+import "time"
+
+func GetNow() time.Time {
+	return time.Now()
+}