refactor(auth): modularize auth plugin with physical subpackages and decoupled services

backend/plugins/domain/auth/dao/user_bridge.go

@@ -0,0 +1,91 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+// Package dao provides data access objects and caching for the auth domain plugin.
+package dao
+
+import (
+	"Wavelet/core/contracts"
+	"Wavelet/pkg/util"
+	"Wavelet/plugins/domain/auth/model/do"
+	"context"
+	"time"
+)
+
+// GetAccessTokenByHash 按令牌哈希读取访问令牌记录（仅取鉴权所需字段）
+func (d *DAO) GetAccessTokenByHash(ctx context.Context, tokenHash string) (*do.CachedToken, error) {
+	var row struct {
+		ID      uint64
+		UserID  uint64
+		IsAdmin bool
+	}
+	if err := d.DB(ctx).Table("w_access_tokens").Where("token_hash = ?", tokenHash).First(&row).Error; err != nil {
+		return nil, err
+	}
+	return &do.CachedToken{
+		ID:      row.ID,
+		UserID:  row.UserID,
+		IsAdmin: row.IsAdmin,
+	}, nil
+}
+
+// GetActiveUserByID 读取仍处于启用状态的用户
+func (d *DAO) GetActiveUserByID(ctx context.Context, userID uint64) (*contracts.UserDTO, error) {
+	var user contracts.UserDTO
+	if err := d.DB(ctx).Table("w_users").Where("id = ? AND is_active = ?", userID, true).First(&user).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+// GetUserByID 按 ID 读取用户（不限制启用状态）
+func (d *DAO) GetUserByID(ctx context.Context, userID uint64) (*contracts.UserDTO, error) {
+	var user contracts.UserDTO
+	if err := d.DB(ctx).Table("w_users").Where("id = ?", userID).First(&user).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+// InsertUser 新建用户记录
+func (d *DAO) InsertUser(ctx context.Context, user *contracts.UserDTO) error {
+	return d.DB(ctx).Table("w_users").Create(user).Error
+}
+
+// TouchUserLastLogin 刷新用户最后登录时间
+func (d *DAO) TouchUserLastLogin(ctx context.Context, userID uint64, at time.Time) error {
+	return d.DB(ctx).Table("w_users").Where("id = ?", userID).Update("last_login_at", at).Error
+}
+
+// ListSimilarUsernames 查询与基础用户名相同或带 `-序号` 后缀的用户名（用于用户名去重）
+func (d *DAO) ListSimilarUsernames(ctx context.Context, base string) ([]string, error) {
+	var existingUsernames []string
+	if err := d.DB(ctx).Table("w_users").
+		Where("username = ? OR username LIKE ? ESCAPE '\\'", base, util.EscapeLike(base)+"-%").
+		Pluck("username", &existingUsernames).Error; err != nil {
+		return nil, err
+	}
+	return existingUsernames, nil
+}
+
+// GetSystemConfigValue 读取系统配置项原始值
+func (d *DAO) GetSystemConfigValue(ctx context.Context, key string) (string, error) {
+	var val string
+	if err := d.DB(ctx).Table("w_system_configs").Where("key = ?", key).Pluck("value", &val).Error; err != nil {
+		return "", err
+	}
+	return val, nil
+}
+
+// ListSystemConfigsByKeys 按键批量读取系统配置项
+func (d *DAO) ListSystemConfigsByKeys(ctx context.Context, keys []string) ([]do.CapConfigRecord, error) {
+	var records []do.CapConfigRecord
+	db := d.DB(ctx)
+	if db == nil {
+		return nil, nil
+	}
+	if err := db.Table("w_system_configs").Where("key IN ?", keys).Find(&records).Error; err != nil {
+		return nil, err
+	}
+	return records, nil
+}