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config.go
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config.go
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package mongo_client
import (
"flag"
"os"
"time"
)
type Config struct {
Uri string
ConnectTimeout time.Duration
ReadWriteTimeout time.Duration
}
var (
globalMongoUri *string
globalMongoConnectTimeout *time.Duration
globalMongoReadWriteTimeout *time.Duration
)
func getTimeout(env string, fallback time.Duration) (result time.Duration) {
env, ok := os.LookupEnv(env)
if !ok {
return fallback
}
result, err := time.ParseDuration(env)
if err != nil {
return fallback
}
return result
}
// LoadConfig loads Configurations from environmental variables or config file in PHP.
// Environmental variables takes priority.
func LoadConfig() Config {
if !flag.Parsed() {
flag.Parse()
}
return Config{
*globalMongoUri,
*globalMongoConnectTimeout,
*globalMongoReadWriteTimeout,
}
}