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server.go
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server.go
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package main
import (
"encoding/json"
"fmt"
"math/rand"
"os"
"time"
"database/sql"
"github.com/sfreiberg/gotwilio"
)
// Globals
var (
isHeroku = checkHeroku()
done = make(chan struct{})
configuration = loadConfig()
antidoseTwilio = loadTwilio()
db = loadDB()
)
func loadConfig() Configuration {
configuration := Configuration{}
if !isHeroku {
file, err := os.Open("./config/conf.json")
failOnError(err, "Config json not found. Make sure it is present.")
decoder := json.NewDecoder(file)
err = decoder.Decode(&configuration)
if err != nil {
fmt.Println("error:", err)
}
}
return configuration
}
func loadTwilio() *gotwilio.Twilio {
if isHeroku {
configuration.Twilio.Sid = os.Getenv("TWILIO_SID")
configuration.Twilio.Token = os.Getenv("TWILIO_TOKEN")
configuration.Twilio.Number = os.Getenv("TWILIO_NUMBER")
}
return gotwilio.NewTwilioClient(configuration.Twilio.Sid, configuration.Twilio.Token)
}
func loadDB() *sql.DB {
psqlInfo := fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=disable", configuration.DB.Host, configuration.DB.Port, configuration.DB.User, configuration.DB.Pass, configuration.DB.DbName)
db, err := sql.Open("postgres", psqlInfo)
if isHeroku {
db, err = sql.Open("postgres", os.Getenv("DATABASE_URL"))
}
failOnError(err, "Failed to open Postgres")
err = db.Ping()
failOnError(err, "Failed to ping Postgres")
return db
}
func main() {
rand.Seed(time.Now().UTC().UnixNano())
initRoutes()
<-done
}