handler.go

package handler

import (
    "database/sql"
    "fmt"
    "nama_npm_pert4/model" //sesuaikan dengan nama folder (case sensitive)
    "net/http"
    "strings"
)

var username, password, host, namaDB, defaultDB string
var db *sql.DB
var err error

func init() {
    username = "root" //Misal : CPC21
    password = ""
    host = "localhost"
    namaDB = "db_npm_pert4" //Misal : db_13116429
    defaultDB = "mysql"
}
func API(w http.ResponseWriter, r *http.Request) {
    db, err = model.Connect(username, password, host, namaDB)
    if err != nil {
        return
    }
    defer db.Close()

    w.Header().Set("Content-Type", "text-html; charset=utf-8; application/json")
    dataURL := strings.Split(fmt.Sprintf("%s", r.URL.Path), "/")
    switch dataURL[2] {
    case "mahasiswa":
        switch r.Method {
        case "GET":
            HandlerMahasiswaGet(w, r)
        case "POST":
            HandlerMahasiswaPost(w, r)
        case "PUT":
            HandlerMahasiswaPut(w, r)
        case "DELETE":
            HandlerMahasiswaDelete(w, r)
        default:
            w.Write([]byte("method tidak ditemukan"))
        }

    case "matkul":
        switch r.Method {
        case "GET":
            HandlerMatkulGet(w, r)
        case "POST":
            HandlerMatkulPost(w, r)
        case "PUT":
            HandlerMatkulPut(w, r)
        case "DELETE":
            HandlerMatkulDelete(w, r)
        default:
            w.Write([]byte("method tidak ditemukan"))
        }

    case "nilai":
        switch r.Method {
        case "GET":
            HandlerNilaiGet(w, r)
        case "POST":
            HandlerNilaiPost(w, r)
        case "PUT":
            HandlerNilaiPut(w, r)
        case "DELETE":
            HandlerNilaiDelete(w, r)
        default:
            w.Write([]byte("method tidak ditemukan"))
        }

    default:
        w.Write([]byte("request tidak ditemukan"))
    }
}