Initial commit: Basic project structure and dependencies

internal/config/config.go

@@ -0,0 +1,166 @@
+package config
+
+import (
+	"time"
+)
+
+// Config 应用程序总配置
+type Config struct {
+	Server      ServerConfig      `mapstructure:"server"`
+	Database    DatabaseConfig    `mapstructure:"database"`
+	Redis       RedisConfig       `mapstructure:"redis"`
+	Cache       CacheConfig       `mapstructure:"cache"`
+	Logger      LoggerConfig      `mapstructure:"logger"`
+	JWT         JWTConfig         `mapstructure:"jwt"`
+	RateLimit   RateLimitConfig   `mapstructure:"ratelimit"`
+	Monitoring  MonitoringConfig  `mapstructure:"monitoring"`
+	Health      HealthConfig      `mapstructure:"health"`
+	Resilience  ResilienceConfig  `mapstructure:"resilience"`
+	Development DevelopmentConfig `mapstructure:"development"`
+	App         AppConfig         `mapstructure:"app"`
+}
+
+// ServerConfig HTTP服务器配置
+type ServerConfig struct {
+	Port         string        `mapstructure:"port"`
+	Mode         string        `mapstructure:"mode"`
+	Host         string        `mapstructure:"host"`
+	ReadTimeout  time.Duration `mapstructure:"read_timeout"`
+	WriteTimeout time.Duration `mapstructure:"write_timeout"`
+	IdleTimeout  time.Duration `mapstructure:"idle_timeout"`
+}
+
+// DatabaseConfig 数据库配置
+type DatabaseConfig struct {
+	Host            string        `mapstructure:"host"`
+	Port            string        `mapstructure:"port"`
+	User            string        `mapstructure:"user"`
+	Password        string        `mapstructure:"password"`
+	Name            string        `mapstructure:"name"`
+	SSLMode         string        `mapstructure:"sslmode"`
+	Timezone        string        `mapstructure:"timezone"`
+	MaxOpenConns    int           `mapstructure:"max_open_conns"`
+	MaxIdleConns    int           `mapstructure:"max_idle_conns"`
+	ConnMaxLifetime time.Duration `mapstructure:"conn_max_lifetime"`
+}
+
+// RedisConfig Redis配置
+type RedisConfig struct {
+	Host         string        `mapstructure:"host"`
+	Port         string        `mapstructure:"port"`
+	Password     string        `mapstructure:"password"`
+	DB           int           `mapstructure:"db"`
+	PoolSize     int           `mapstructure:"pool_size"`
+	MinIdleConns int           `mapstructure:"min_idle_conns"`
+	MaxRetries   int           `mapstructure:"max_retries"`
+	DialTimeout  time.Duration `mapstructure:"dial_timeout"`
+	ReadTimeout  time.Duration `mapstructure:"read_timeout"`
+	WriteTimeout time.Duration `mapstructure:"write_timeout"`
+}
+
+// CacheConfig 缓存配置
+type CacheConfig struct {
+	DefaultTTL      time.Duration `mapstructure:"default_ttl"`
+	CleanupInterval time.Duration `mapstructure:"cleanup_interval"`
+	MaxSize         int           `mapstructure:"max_size"`
+}
+
+// LoggerConfig 日志配置
+type LoggerConfig struct {
+	Level       string `mapstructure:"level"`
+	Format      string `mapstructure:"format"`
+	Output      string `mapstructure:"output"`
+	FilePath    string `mapstructure:"file_path"`
+	MaxSize     int    `mapstructure:"max_size"`
+	MaxBackups  int    `mapstructure:"max_backups"`
+	MaxAge      int    `mapstructure:"max_age"`
+	Compress    bool   `mapstructure:"compress"`
+}
+
+// JWTConfig JWT配置
+type JWTConfig struct {
+	Secret           string        `mapstructure:"secret"`
+	ExpiresIn        time.Duration `mapstructure:"expires_in"`
+	RefreshExpiresIn time.Duration `mapstructure:"refresh_expires_in"`
+}
+
+// RateLimitConfig 限流配置
+type RateLimitConfig struct {
+	Requests int           `mapstructure:"requests"`
+	Window   time.Duration `mapstructure:"window"`
+	Burst    int           `mapstructure:"burst"`
+}
+
+// MonitoringConfig 监控配置
+type MonitoringConfig struct {
+	MetricsEnabled  bool    `mapstructure:"metrics_enabled"`
+	MetricsPort     string  `mapstructure:"metrics_port"`
+	TracingEnabled  bool    `mapstructure:"tracing_enabled"`
+	TracingEndpoint string  `mapstructure:"tracing_endpoint"`
+	SampleRate      float64 `mapstructure:"sample_rate"`
+}
+
+// HealthConfig 健康检查配置
+type HealthConfig struct {
+	Enabled  bool          `mapstructure:"enabled"`
+	Interval time.Duration `mapstructure:"interval"`
+	Timeout  time.Duration `mapstructure:"timeout"`
+}
+
+// ResilienceConfig 容错配置
+type ResilienceConfig struct {
+	CircuitBreakerEnabled   bool          `mapstructure:"circuit_breaker_enabled"`
+	CircuitBreakerThreshold int           `mapstructure:"circuit_breaker_threshold"`
+	CircuitBreakerTimeout   time.Duration `mapstructure:"circuit_breaker_timeout"`
+	RetryMaxAttempts        int           `mapstructure:"retry_max_attempts"`
+	RetryInitialDelay       time.Duration `mapstructure:"retry_initial_delay"`
+	RetryMaxDelay           time.Duration `mapstructure:"retry_max_delay"`
+}
+
+// DevelopmentConfig 开发配置
+type DevelopmentConfig struct {
+	Debug           bool   `mapstructure:"debug"`
+	EnableProfiler  bool   `mapstructure:"enable_profiler"`
+	EnableCors      bool   `mapstructure:"enable_cors"`
+	CorsOrigins     string `mapstructure:"cors_allowed_origins"`
+	CorsMethods     string `mapstructure:"cors_allowed_methods"`
+	CorsHeaders     string `mapstructure:"cors_allowed_headers"`
+}
+
+// AppConfig 应用程序配置
+type AppConfig struct {
+	Name    string `mapstructure:"name"`
+	Version string `mapstructure:"version"`
+	Env     string `mapstructure:"env"`
+}
+
+// GetDSN 获取数据库DSN连接字符串
+func (d DatabaseConfig) GetDSN() string {
+	return "host=" + d.Host +
+		" user=" + d.User +
+		" password=" + d.Password +
+		" dbname=" + d.Name +
+		" port=" + d.Port +
+		" sslmode=" + d.SSLMode +
+		" TimeZone=" + d.Timezone
+}
+
+// GetRedisAddr 获取Redis地址
+func (r RedisConfig) GetRedisAddr() string {
+	return r.Host + ":" + r.Port
+}
+
+// IsProduction 检查是否为生产环境
+func (a AppConfig) IsProduction() bool {
+	return a.Env == "production"
+}
+
+// IsDevelopment 检查是否为开发环境
+func (a AppConfig) IsDevelopment() bool {
+	return a.Env == "development"
+}
+
+// IsStaging 检查是否为测试环境
+func (a AppConfig) IsStaging() bool {
+	return a.Env == "staging"
+}