chore: refactroing of code

Commenting code for enhancing readability

internal/jwt.go

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2024 Jonas Kaninda
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package pkg
+
+import (
+	"github.com/golang-jwt/jwt"
+	"time"
+)
+
+// createJWT create JWT token
+func createJWT(email, jwtSecret string) (string, error) {
+	// Define JWT claims
+	claims := jwt.MapClaims{
+		"email": email,
+		"exp":   jwt.TimeFunc().Add(time.Hour * 24).Unix(), // Token expiration
+		"iss":   "Goma-Gateway",                            // Issuer claim
+	}
+
+	// Create a new token with HS256 signing method
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+
+	// Sign the token with a secret
+	signedToken, err := token.SignedString([]byte(jwtSecret))
+	if err != nil {
+		return "", err
+	}
+
+	return signedToken, nil
+}