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main.go
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main.go
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package main
import (
"database/sql"
"fmt"
"log"
"net/http"
"github.com/gorilla/mux"
"github.com/pedrocmart/leaderboard-service/coreservices"
httpHandlers "github.com/pedrocmart/leaderboard-service/handlers"
"github.com/pedrocmart/leaderboard-service/models"
"github.com/pedrocmart/leaderboard-service/utils"
_ "modernc.org/ql/driver"
)
func main() {
//first we will initialize core that needs a response writer attatched to it
core = coreservices.InitCore()
core.ConnectResponseWriter()
coreservices.NewCoreService(core)
createsInMemoryDB()
prepareConnectHTTP()
}
func prepareConnectHTTP() {
httpHandlers.ConnectBasic(router, core)
fmt.Printf("Listening and serving on Host: %s, Port: %s\n", host, port)
log.Fatal(http.ListenAndServe(fmt.Sprintf(":%s", port), router))
}
func createsInMemoryDB() {
//defining in memory database
mdb, err := sql.Open("ql-mem", "memory://mem.db")
if err != nil {
log.Fatal(err)
}
coreservices.NewStoreService(core, mdb)
tx, err := mdb.Begin()
if err != nil {
return
}
if _, err := tx.Exec("CREATE TABLE users (id INT, score INT);"); err != nil {
return
}
if err = tx.Commit(); err != nil {
return
}
}
var core *models.Core
var router = mux.NewRouter()
var host = utils.GetEnvOrDefault("HOST", "0.0.0.0")
var port = utils.GetEnvOrDefault("PORT", "8894")