learngo/interfaces/11-reflection-decoder/main.go

// For more tutorials: https://blog.learngoprogramming.com
//
// Copyright © 2018 Inanc Gumus
// Learn Go Programming Course
// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
//

package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
)

func main() {
	var store list

	// db := database{list: &store}
	// db.register("book", new(book))
	// db.register("game", new(game))
	// db.register("puzzle", new(puzzle))
	// db.register("toy", new(toy))

	// if err := db.load(); err != nil {
	// 	log.Fatalln(err)
	// }

	data, err := ioutil.ReadFile("database.json")
	if err != nil {
		log.Fatalln(err)
	}

	if err = json.Unmarshal(data, &store); err != nil {
		log.Fatalln(err)
	}

	fmt.Print(store)

	/*
		store := list{
			&book{product{"moby dick", 10}, toTimestamp(118281600)},
			&book{product{"odyssey", 15}, toTimestamp("733622400")},
			&book{product{"hobbit", 25}, unknown},
			&puzzle{product{"rubik's cube", 5}},
			&game{product{"minecraft", 20}},
			&game{product{"tetris", 5}},
			&toy{product{"yoda", 150}},
		}

		db := &database{list: &store}
		if err := db.save(); err != nil {
			log.Fatalln(err)
		}

		// out, err := json.MarshalIndent(db, "", "\t")
		// if err != nil {
		// 	log.Fatalln(err)
		// }
		// fmt.Println(string(out))
	*/
}