Add cursor rules and initial configuration for Tender Management Go Backend

infra/config.go

@@ -0,0 +1,142 @@
+package infra
+
+import (
+	"time"
+
+	"github.com/spf13/viper"
+)
+
+// Config holds all configuration for the application
+type Config struct {
+	Server    ServerConfig    `mapstructure:"server"`
+	Database  DatabaseConfig  `mapstructure:"database"`
+	Cache     CacheConfig     `mapstructure:"cache"`
+	Queue     QueueConfig     `mapstructure:"queue"`
+	Search    SearchConfig    `mapstructure:"search"`
+	Auth      AuthConfig      `mapstructure:"auth"`
+	AI        AIConfig        `mapstructure:"ai"`
+	Scraping  ScrapingConfig  `mapstructure:"scraping"`
+	Logging   LoggingConfig   `mapstructure:"logging"`
+	RateLimit RateLimitConfig `mapstructure:"rate_limiting"`
+}
+
+type ServerConfig struct {
+	Host         string        `mapstructure:"host"`
+	Port         int           `mapstructure:"port"`
+	Timeout      time.Duration `mapstructure:"timeout"`
+	ReadTimeout  time.Duration `mapstructure:"read_timeout"`
+	WriteTimeout time.Duration `mapstructure:"write_timeout"`
+}
+
+type DatabaseConfig struct {
+	MongoDB MongoConfig `mapstructure:"mongodb"`
+}
+
+type MongoConfig struct {
+	URI         string        `mapstructure:"uri"`
+	Name        string        `mapstructure:"name"`
+	Timeout     time.Duration `mapstructure:"timeout"`
+	MaxPoolSize int           `mapstructure:"max_pool_size"`
+}
+
+type CacheConfig struct {
+	Redis RedisConfig `mapstructure:"redis"`
+}
+
+type RedisConfig struct {
+	Host     string `mapstructure:"host"`
+	Port     int    `mapstructure:"port"`
+	Password string `mapstructure:"password"`
+	DB       int    `mapstructure:"db"`
+	PoolSize int    `mapstructure:"pool_size"`
+}
+
+type QueueConfig struct {
+	RabbitMQ RabbitMQConfig `mapstructure:"rabbitmq"`
+}
+
+type RabbitMQConfig struct {
+	URL      string            `mapstructure:"url"`
+	Exchange string            `mapstructure:"exchange"`
+	Queues   map[string]string `mapstructure:"queues"`
+}
+
+type SearchConfig struct {
+	Elasticsearch ElasticsearchConfig `mapstructure:"elasticsearch"`
+}
+
+type ElasticsearchConfig struct {
+	URLs        []string `mapstructure:"urls"`
+	Username    string   `mapstructure:"username"`
+	Password    string   `mapstructure:"password"`
+	IndexPrefix string   `mapstructure:"index_prefix"`
+}
+
+type AuthConfig struct {
+	JWT JWTConfig `mapstructure:"jwt"`
+}
+
+type JWTConfig struct {
+	Secret               string        `mapstructure:"secret"`
+	AccessTokenDuration  time.Duration `mapstructure:"access_token_duration"`
+	RefreshTokenDuration time.Duration `mapstructure:"refresh_token_duration"`
+}
+
+type AIConfig struct {
+	OpenAI OpenAIConfig `mapstructure:"openai"`
+}
+
+type OpenAIConfig struct {
+	APIKey    string `mapstructure:"api_key"`
+	Model     string `mapstructure:"model"`
+	MaxTokens int    `mapstructure:"max_tokens"`
+}
+
+type ScrapingConfig struct {
+	UserAgent            string        `mapstructure:"user_agent"`
+	Timeout              time.Duration `mapstructure:"timeout"`
+	MaxRetries           int           `mapstructure:"max_retries"`
+	DelayBetweenRequests time.Duration `mapstructure:"delay_between_requests"`
+}
+
+type LoggingConfig struct {
+	Level  string        `mapstructure:"level"`
+	Format string        `mapstructure:"format"`
+	Output string        `mapstructure:"output"`
+	File   LogFileConfig `mapstructure:"file"`
+}
+
+type LogFileConfig struct {
+	Path       string `mapstructure:"path"`
+	MaxSize    int    `mapstructure:"max_size"` // MB
+	MaxBackups int    `mapstructure:"max_backups"`
+	MaxAge     int    `mapstructure:"max_age"` // days
+	Compress   bool   `mapstructure:"compress"`
+}
+
+type RateLimitConfig struct {
+	RequestsPerMinute int `mapstructure:"requests_per_minute"`
+	Burst             int `mapstructure:"burst"`
+}
+
+// LoadConfig loads configuration from file and environment variables
+func LoadConfig(path string) (*Config, error) {
+	viper.SetConfigName("config")
+	viper.SetConfigType("yaml")
+	viper.AddConfigPath(path)
+
+	// Enable reading from environment variables
+	viper.AutomaticEnv()
+
+	// Read configuration file
+	if err := viper.ReadInConfig(); err != nil {
+		return nil, err
+	}
+
+	var config Config
+	if err := viper.Unmarshal(&config); err != nil {
+		return nil, err
+	}
+
+	return &config, nil
+}