76 lines
1.1 KiB
Go
76 lines
1.1 KiB
Go
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// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"bufio"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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func main() {
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games := load()
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byID := indexByID(games)
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fmt.Printf("Inanc's game store has %d games.\n", len(games))
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in := bufio.NewScanner(os.Stdin)
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for {
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fmt.Printf(`
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> list : lists all the games
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> id N : queries a game by id
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> quit : quits
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`)
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if !in.Scan() {
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break
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}
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fmt.Println()
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cmd := strings.Fields(in.Text())
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if len(cmd) == 0 {
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continue
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}
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switch cmd[0] {
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case "quit":
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fmt.Println("bye!")
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return
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case "list":
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for _, g := range games {
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printGame(g)
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}
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case "id":
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if len(cmd) != 2 {
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fmt.Println("wrong id")
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continue
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}
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id, err := strconv.Atoi(cmd[1])
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if err != nil {
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fmt.Println("wrong id")
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continue
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}
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g, ok := byID[id]
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if !ok {
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fmt.Println("sorry. i don't have the game")
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continue
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}
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printGame(g)
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}
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}
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}
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