better castle

server/db/db.go

@@ -0,0 +1,67 @@
+package db
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/alexedwards/argon2id"
+)
+
+var DB map[string]interface{}
+
+type GetService struct{}
+var Get = GetService{}
+	
+func (g GetService) User(id string) (map[string]interface{}, error) {
+	raw, ok := DB[id]
+	if !ok {
+		return nil, errors.New("user not found")
+	}
+
+	userData, ok := raw.(map[string]interface{})
+	log.Println(userData)
+	if !ok {
+		return nil, errors.New("user data is not in expected format")
+	}
+
+	return userData, nil
+}
+
+func InitDB() error {
+	file, err := os.Open("../db/users.json")
+	if err != nil {
+		fmt.Println("Error opening file:", err)
+		return errors.New("Failed to read db")
+	}
+	defer file.Close()
+
+	var data interface{}
+
+	err = json.NewDecoder(file).Decode(&data)
+	if err != nil {
+		fmt.Println("Error decoding JSON:", err)
+		return errors.New("Failed to decode db")
+	}
+
+	result, ok := data.(map[string]interface{})
+	if !ok {
+		fmt.Println("Data is not a JSON object (map)")
+		return errors.New("Db is in the wrong format")
+	}
+
+	DB = result
+
+	// Use default recommended parameters
+	hash, err := argon2id.CreateHash("hunter2", argon2id.DefaultParams)
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	fmt.Println("Argon2 Hash:")
+	fmt.Println(hash)
+
+	return nil
+}