add: Admin creation

internal/database/db.go

@@ -1,9 +1,14 @@
 package database
 
 import (
+	"GoMembership/internal/constants"
 	"GoMembership/internal/models"
 	"GoMembership/pkg/logger"
+	"crypto/rand"
+	"encoding/hex"
+	"time"
 
+	"github.com/alexedwards/argon2id"
 	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 )
@@ -29,6 +34,9 @@ func Open(dbPath string) error {
 	DB = db
 
 	logger.Info.Print("Opened DB")
+	if err := seedDatabase(); err != nil {
+		return err
+	}
 	return nil
 }
 
@@ -40,3 +48,42 @@ func Close() error {
 	}
 	return db.Close()
 }
+
+func seedDatabase() error {
+	var count int64
+	DB.Model(&models.User{}).Count(&count)
+	if count == 0 {
+		bytes := make([]byte, 12)
+		_, err := rand.Read(bytes)
+		if err != nil {
+			return err
+		}
+		password := hex.EncodeToString(bytes)
+		hash, err := argon2id.CreateHash(password, argon2id.DefaultParams)
+		if err != nil {
+			return err
+		}
+
+		admin := models.User{
+			FirstName:   "ad",
+			LastName:    "min",
+			DateOfBirth: time.Now(),
+			Password:    hash,
+			Address:     "Downhill 4",
+			ZipCode:     "9999",
+			City:        "TechTown",
+			Status:      constants.ActiveStatus,
+			RoleID:      constants.Roles.Editor,
+		}
+
+		result := DB.Create(&admin)
+		if result.Error != nil {
+			return result.Error
+		}
+		logger.Error.Print("==============================================================")
+		logger.Error.Printf("Admin Password: %v", password)
+		logger.Error.Print("==============================================================")
+	}
+
+	return nil
+}