333 lines
8.7 KiB
Go
333 lines
8.7 KiB
Go
package app
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import (
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"go.uber.org/zap"
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"gorm.io/gorm"
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"tyapi-server/internal/config"
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"tyapi-server/internal/container"
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"tyapi-server/internal/domains/user/entities"
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// 认证域实体
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certEntities "tyapi-server/internal/domains/certification/entities"
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// 财务域实体
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financeEntities "tyapi-server/internal/domains/finance/entities"
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// 产品域实体
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productEntities "tyapi-server/internal/domains/product/entities"
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// 文章域实体
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articleEntities "tyapi-server/internal/domains/article/entities"
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apiEntities "tyapi-server/internal/domains/api/entities"
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"tyapi-server/internal/infrastructure/database"
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)
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// Application 应用程序结构
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type Application struct {
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container *container.Container
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config *config.Config
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logger *zap.Logger
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}
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// NewApplication 创建新的应用程序实例
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func NewApplication() (*Application, error) {
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// 加载配置
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cfg, err := config.LoadConfig()
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if err != nil {
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return nil, fmt.Errorf("failed to load config: %w", err)
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}
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// 创建日志器
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logger, err := createLogger(cfg)
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if err != nil {
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return nil, fmt.Errorf("failed to create logger: %w", err)
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}
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// 创建容器
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cont := container.NewContainer()
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return &Application{
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container: cont,
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config: cfg,
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logger: logger,
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}, nil
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}
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// Run 运行应用程序
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func (a *Application) Run() error {
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// 打印启动信息
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a.printBanner()
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// 检查是否需要自动迁移
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if a.config.Database.AutoMigrate {
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a.logger.Info("Auto migration is enabled, running database migrations...")
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if err := a.RunMigrations(); err != nil {
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a.logger.Error("Auto migration failed", zap.Error(err))
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return fmt.Errorf("auto migration failed: %w", err)
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}
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a.logger.Info("Auto migration completed successfully")
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}
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// 启动容器
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a.logger.Info("Starting application container...")
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if err := a.container.Start(); err != nil {
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a.logger.Error("Failed to start container", zap.Error(err))
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return err
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}
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a.logger.Info("Container started successfully, setting up graceful shutdown...")
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// 设置优雅关闭
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a.setupGracefulShutdown()
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a.logger.Info("Application started successfully",
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zap.String("version", a.config.App.Version),
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zap.String("environment", a.config.App.Env),
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zap.String("port", a.config.Server.Port))
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// 等待信号
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return a.waitForShutdown()
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}
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// RunMigrations 运行数据库迁移
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func (a *Application) RunMigrations() error {
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a.logger.Info("Running database migrations...")
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// 创建数据库连接
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db, err := a.createDatabaseConnection()
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if err != nil {
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return fmt.Errorf("failed to create database connection: %w", err)
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}
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// 自动迁移
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if err := a.autoMigrate(db); err != nil {
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return fmt.Errorf("failed to run migrations: %w", err)
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}
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a.logger.Info("Database migrations completed successfully")
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return nil
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}
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// printBanner 打印启动横幅
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func (a *Application) printBanner() {
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banner := fmt.Sprintf(`
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╔══════════════════════════════════════════════════════════════╗
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║ %s
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║ Version: %s
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║ Environment: %s
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║ Port: %s
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╚══════════════════════════════════════════════════════════════╝
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`,
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a.config.App.Name,
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a.config.App.Version,
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a.config.App.Env,
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a.config.Server.Port,
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)
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fmt.Println(banner)
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}
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// setupGracefulShutdown 设置优雅关闭
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func (a *Application) setupGracefulShutdown() {
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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go func() {
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<-c
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a.logger.Info("Received shutdown signal, starting graceful shutdown...")
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// 停止容器
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if err := a.container.Stop(); err != nil {
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a.logger.Error("Error during container shutdown", zap.Error(err))
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}
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a.logger.Info("Application shutdown completed")
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os.Exit(0)
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}()
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}
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// waitForShutdown 等待关闭信号
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func (a *Application) waitForShutdown() error {
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// 创建一个通道来等待关闭
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done := make(chan bool, 1)
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// 启动一个协程来监听信号
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go func() {
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c := make(chan os.Signal, 1)
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signal.Notify(c, os.Interrupt, syscall.SIGTERM)
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<-c
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done <- true
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}()
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// 等待关闭信号
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<-done
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return nil
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}
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// createDatabaseConnection 创建数据库连接
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func (a *Application) createDatabaseConnection() (*gorm.DB, error) {
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dbCfg := database.Config{
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Host: a.config.Database.Host,
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Port: a.config.Database.Port,
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User: a.config.Database.User,
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Password: a.config.Database.Password,
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Name: a.config.Database.Name,
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SSLMode: a.config.Database.SSLMode,
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Timezone: a.config.Database.Timezone,
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MaxOpenConns: a.config.Database.MaxOpenConns,
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MaxIdleConns: a.config.Database.MaxIdleConns,
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ConnMaxLifetime: a.config.Database.ConnMaxLifetime,
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}
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db, err := database.NewConnection(dbCfg)
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if err != nil {
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return nil, err
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}
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return db.DB, nil
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}
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// autoMigrate 自动迁移
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func (a *Application) autoMigrate(db *gorm.DB) error {
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a.logger.Info("Starting database auto migration...")
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// 如果需要删除某些表，可以在这里手动删除
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// 注意：这会永久删除数据，请谨慎使用！
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/*
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// 删除不再需要的表（示例，请根据实际情况使用）
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if err := db.Migrator().DropTable(&entities.FavoriteItem{}); err != nil {
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a.logger.Warn("Failed to drop table", zap.Error(err))
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// 继续执行，不阻断迁移
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}
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*/
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// 自动迁移所有实体
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return db.AutoMigrate(
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// 用户域
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&entities.User{},
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&entities.SMSCode{},
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&entities.EnterpriseInfo{},
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&entities.ContractInfo{},
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// 认证域
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&certEntities.Certification{},
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&certEntities.EnterpriseInfoSubmitRecord{},
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&certEntities.EsignContractGenerateRecord{},
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&certEntities.EsignContractSignRecord{},
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// 财务域
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&financeEntities.Wallet{},
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&financeEntities.WalletTransaction{},
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&financeEntities.RechargeRecord{},
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&financeEntities.AlipayOrder{},
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&financeEntities.InvoiceApplication{},
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&financeEntities.UserInvoiceInfo{},
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// 产品域
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&productEntities.Product{},
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&productEntities.ProductPackageItem{},
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&productEntities.ProductCategory{},
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&productEntities.Subscription{},
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&productEntities.ProductDocumentation{},
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&productEntities.ProductApiConfig{},
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// 文章域
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&articleEntities.Article{},
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&articleEntities.Category{},
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&articleEntities.Tag{},
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// api
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&apiEntities.ApiUser{},
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&apiEntities.ApiCall{},
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)
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}
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// createLogger 创建日志器
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func createLogger(cfg *config.Config) (*zap.Logger, error) {
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level, err := zap.ParseAtomicLevel(cfg.Logger.Level)
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if err != nil {
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level = zap.NewAtomicLevelAt(zap.InfoLevel)
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}
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config := zap.Config{
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Level: level,
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Development: cfg.App.IsDevelopment(),
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Encoding: cfg.Logger.Format,
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EncoderConfig: zap.NewProductionEncoderConfig(),
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OutputPaths: []string{cfg.Logger.Output},
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ErrorOutputPaths: []string{"stderr"},
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}
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if cfg.Logger.Format == "" {
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config.Encoding = "json"
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}
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if cfg.Logger.Output == "" {
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config.OutputPaths = []string{"stdout"}
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}
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return config.Build()
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}
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// GetConfig 获取配置
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func (a *Application) GetConfig() *config.Config {
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return a.config
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}
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// GetLogger 获取日志器
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func (a *Application) GetLogger() *zap.Logger {
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return a.logger
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}
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// HealthCheck 应用程序健康检查
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func (a *Application) HealthCheck() error {
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// 这里可以添加应用程序级别的健康检查逻辑
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return nil
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}
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// GetVersion 获取版本信息
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func (a *Application) GetVersion() map[string]string {
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return map[string]string{
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"name": a.config.App.Name,
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"version": a.config.App.Version,
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"environment": a.config.App.Env,
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"go_version": "1.23.4+",
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}
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}
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// RunCommand 运行特定命令
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func (a *Application) RunCommand(command string, args ...string) error {
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switch command {
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case "migrate":
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return a.RunMigrations()
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case "version":
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version := a.GetVersion()
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fmt.Printf("Name: %s\n", version["name"])
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fmt.Printf("Version: %s\n", version["version"])
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fmt.Printf("Environment: %s\n", version["environment"])
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fmt.Printf("Go Version: %s\n", version["go_version"])
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return nil
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case "health":
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if err := a.HealthCheck(); err != nil {
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fmt.Printf("Health check failed: %v\n", err)
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return err
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}
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fmt.Println("Application is healthy")
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return nil
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default:
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return fmt.Errorf("unknown command: %s", command)
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}
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}
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// GetArticleService 获取文章服务 (用于 Worker)
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func (app *Application) GetArticleService() interface{} {
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// 这里需要从容器中获取文章服务
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// 由于循环导入问题，暂时返回 nil
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// 实际使用时需要通过其他方式获取
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return nil
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}
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