完成基本框架搭建及系统用户登录流程

internal/service/system/user_service.go

@@ -0,0 +1,40 @@
+package system
+
+import (
+	"errors"
+	"gin-admin/internal/auth"
+	"gin-admin/internal/core/config"
+	"gin-admin/internal/repository"
+	"gin-admin/pkg/encrypt"
+	"gorm.io/gorm"
+
+	systemrepository "gin-admin/internal/repository/system"
+)
+
+// @Author: yv1ing
+// @Author: me@yvling.cn
+// @Date: 2025/8/28 16:30
+// @Desc: 系统用户服务实现
+
+// SysUserLogin 系统用户登录
+func SysUserLogin(username, password string) (string, error) {
+	user, err := systemrepository.GetUserByUsername(repository.Repo.DB, username)
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return "", errors.New("系统内部错误")
+	}
+
+	if errors.Is(err, gorm.ErrRecordNotFound) || encrypt.Sha256String(password, config.Config.SecretKey) != user.Password {
+		return "", nil
+	}
+
+	if !user.IsActive {
+		return "", errors.New("用户已被禁用")
+	}
+
+	jwtToken, err := auth.CreateAccessToken(user.ID, user.Username, 3600)
+	if err != nil {
+		return "", errors.New("系统内部错误")
+	}
+
+	return jwtToken, nil
+}