feat: 自动更新、系统设置、安全修复
后端: - 新增 GET /version 版本检查端点(version.go + version.yaml) - 新增 GET /license/info 接口,返回门店授权信息 - 修复 GenerateOrderNo 并发重复单号:事务内加 FOR UPDATE 行锁 - 修复 ApproveStockOut 超卖竞态:预检和库存更新均加 FOR UPDATE - 修复 Product Create 并发 code 冲突:加重试逻辑,schema 加 UNIQUE KEY - 修复 Product Update 全字段覆盖:改用 selective Updates() - 挂载 ReadOnly 中间件(全局)+ AdminOnly(用户管理路由) - version.go 配置缺失时返回 500 而非静默降级 前端: - 新增自动更新检测(update_provider.dart)+ shell 更新 banner/弹窗 - 新增系统设置"关于"标签页:版本、授权、开发信息、意见反馈 - 新增离线缓存:所有 AsyncNotifierProvider 支持断网浏览历史数据 - 新增门店信息弹窗(点击左上角 logo 或右上角门店号触发) - 提取 AppConfig 统一管理 BASE_URL,支持 --dart-define 注入 - update_provider.dart 加 kIsWeb 保护,修复 Web 平台崩溃 - dev.sh 新增 stop 命令,修复 stop 误杀前端进程问题 Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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package handler
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import (
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"log"
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"net/http"
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"os"
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"path/filepath"
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"runtime"
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"github.com/gin-gonic/gin"
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"gopkg.in/yaml.v3"
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)
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type versionConfig struct {
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Version string `yaml:"version"`
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BuildNumber int `yaml:"build_number"`
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ForceUpdate bool `yaml:"force_update"`
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ReleaseNotes string `yaml:"release_notes"`
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DownloadURLs map[string]string `yaml:"download_urls"`
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}
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// GetVersion GET /version
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func GetVersion(c *gin.Context) {
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cfg, err := loadVersionConfig()
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if err != nil {
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log.Printf("[version] failed to load version config: %v", err)
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c.JSON(http.StatusInternalServerError, gin.H{"error": "version config unavailable"})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"version": cfg.Version,
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"build_number": cfg.BuildNumber,
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"force_update": cfg.ForceUpdate,
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"release_notes": cfg.ReleaseNotes,
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"download_urls": cfg.DownloadURLs,
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})
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}
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func loadVersionConfig() (*versionConfig, error) {
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// 查找 config/version.yaml,相对于可执行文件或源码目录
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candidates := []string{
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"config/version.yaml",
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filepath.Join(sourceDir(), "config/version.yaml"),
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}
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for _, path := range candidates {
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data, err := os.ReadFile(path)
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if err != nil {
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continue
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}
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var cfg versionConfig
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if err := yaml.Unmarshal(data, &cfg); err != nil {
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return nil, err
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}
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return &cfg, nil
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}
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return nil, os.ErrNotExist
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}
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// sourceDir 返回当前源文件所在目录的上两级(backend 根目录)
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func sourceDir() string {
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_, filename, _, ok := runtime.Caller(0)
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if !ok {
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return "."
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}
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// handler/ → internal/ → backend/
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return filepath.Join(filepath.Dir(filename), "..", "..")
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}
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