128 lines
3.1 KiB
Go
128 lines
3.1 KiB
Go
package config
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import (
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"bytes"
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"encoding/json"
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"os"
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"os/exec"
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"reflect"
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"strconv"
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"time"
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)
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type config struct {
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LogLevel string `env:"LOG_LEVEL" json:"log_level"`
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Server server `json:"server"`
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Database database `json:"database"`
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Redis redis `json:"redis"`
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OnlineFix onlinefix `json:"online_fix"`
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Twitch twitch `json:"twitch"`
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DatabaseAvaliable bool
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OnlineFixAvaliable bool
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MegaAvaliable bool
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RedisAvaliable bool
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}
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type server struct {
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Port string `env:"SERVER_PORT" json:"port"`
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SecretKey string `env:"SERVER_SECRET_KEY" json:"secret_key"`
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AutoCrawl bool `env:"SERVER_AUTO_CRAWL" json:"auto_crawl"`
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}
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type database struct {
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Host string `env:"DATABASE_HOST" json:"host"`
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Port int `env:"DATABASE_PORT" json:"port"`
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User string `env:"DATABASE_USER" json:"user"`
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Password string `env:"DATABASE_PASSWORD" json:"password"`
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Database string `env:"DATABASE_NAME" json:"database"`
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}
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type twitch struct {
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ClientID string `env:"TWITCH_CLIENT_ID" json:"client_id"`
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ClientSecret string `env:"TWITCH_CLIENT_SECRET" json:"client_secret"`
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}
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type redis struct {
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Host string `env:"REDIS_HOST" json:"host"`
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Port int `env:"REDIS_PORT" json:"port"`
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Password string `env:"REDIS_PASSWORD" json:"password"`
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DBIndex int `env:"REDIS_DB" json:"db_index"`
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}
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type onlinefix struct {
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User string `env:"ONLINEFIX_USER" json:"user"`
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Password string `env:"ONLINEFIX_PASSWORD" json:"password"`
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}
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type runtimeConfig struct {
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ServerStartTime time.Time
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}
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var Config config
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var Runtime runtimeConfig
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func init() {
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Config = config{
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LogLevel: "info",
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Database: database{
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Port: 27017,
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User: "root",
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Password: "password",
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},
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MegaAvaliable: TestMega(),
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}
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if _, err := os.Stat("config.json"); err == nil {
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configData, err := os.ReadFile("config.json")
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if err != nil {
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panic(err)
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}
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err = json.Unmarshal(configData, &Config)
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if err != nil {
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panic(err)
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}
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}
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loadEnvVariables(&Config)
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Config.OnlineFixAvaliable = Config.OnlineFix.User != "" && Config.OnlineFix.Password != ""
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Config.RedisAvaliable = Config.Redis.Host != ""
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Config.DatabaseAvaliable = Config.Database.Database != "" && Config.Database.Host != ""
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}
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func loadEnvVariables(cfg interface{}) {
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v := reflect.ValueOf(cfg).Elem()
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t := v.Type()
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for i := 0; i < v.NumField(); i++ {
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field := t.Field(i)
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envTag := field.Tag.Get("env")
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if envTag == "" || envTag == "-" {
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if field.Type.Kind() == reflect.Struct {
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loadEnvVariables(v.Field(i).Addr().Interface())
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}
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continue
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}
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envValue := os.Getenv(envTag)
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if envValue == "" {
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continue
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}
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switch field.Type.Kind() {
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case reflect.String:
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v.Field(i).SetString(envValue)
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case reflect.Int:
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if value, err := strconv.Atoi(envValue); err == nil {
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v.Field(i).SetInt(int64(value))
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}
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case reflect.Bool:
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if value, err := strconv.ParseBool(envValue); err == nil {
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v.Field(i).SetBool(value)
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}
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}
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}
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}
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func TestMega() bool {
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cmd := exec.Command("mega-get", "--help")
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var out bytes.Buffer
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cmd.Stdout = &out
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err := cmd.Run()
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return err == nil
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}
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