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main.go
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main.go
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package main
import (
"log"
"schoolsystem/learninghub-api/core"
"schoolsystem/learninghub-api/db"
"schoolsystem/learninghub-api/middlewares"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/casbin/casbin"
"schoolsystem/learninghub-api/user"
userRepository "schoolsystem/learninghub-api/user/repository"
userUsecase "schoolsystem/learninghub-api/user/usecase"
"schoolsystem/learninghub-api/course"
courseRepository "schoolsystem/learninghub-api/course/repository"
courseUsecase "schoolsystem/learninghub-api/course/usecase"
"net/http"
"github.com/go-chi/chi"
"github.com/go-chi/chi/middleware"
"github.com/rs/cors"
)
var (
s3Server *s3.S3
)
func main() {
// setup logger
logger, err := core.NewLogger()
if err != nil {
logger.Panic(err.Error())
}
// setup config
conf, err := core.NewConfig()
if err != nil {
logger.Panic(err.Error())
}
log.Println(conf.String())
// database connection
dbConn, err := db.NewDatabaseConnection(conf.Database.URL)
if err != nil {
logger.Panic(err.Error())
}
log.Println("Successfully connected to mlab.")
defer dbConn.Close()
// setting up casbin authorization
e, err := casbin.NewEnforcerSafe(conf.CasbinConfPath+"model.conf", conf.CasbinConfPath+"policy.csv")
if err != nil {
logger.Panic(err.Error())
}
// setup routes and middleware
r := chi.NewRouter()
r.Use(middleware.StripSlashes)
r.Use(middlewares.Authorizer(e))
r.Use(middleware.RequestID)
r.Use(middleware.RealIP)
r.Use(middleware.Logger)
r.Use(middleware.Recoverer)
r.Use(middleware.SetHeader("Content-Type", "application/json"))
userRepo := userRepository.NewMongoUserRepository(dbConn)
userUsecase := userUsecase.NewUserUsecase(userRepo)
user.NewUserHttpHandler(r, userUsecase)
courseRepo := courseRepository.NewMongoCourseRepository(dbConn)
courseUsecase := courseUsecase.NewCourseUsecase(courseRepo)
course.NewCourseHttpHandler(r, courseUsecase)
r.HandleFunc("/p", func(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("learninghub-api"))
})
handler := cors.Default().Handler(r)
log.Printf("Server running on: %s", conf.BaseURL)
http.ListenAndServe(conf.BaseURL, handler)
}