Initial commit

.gitignore

@@ -0,0 +1 @@
+.idea

README.md

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+This is a simple CLI quiz game written in Go.
+
+![demo](demo.gif)
+
+Questions, correct answers and the points awarded for the correct answers are provided via a CSV file formatted like this:
+
+<pre>
+5*3,15,1
+44+54,98,2
+42/7,6,2
+</pre>

go.mod

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+module github.com/erdemolcay/quiz
+
+go 1.12
+
+require (
+	github.com/gookit/color v1.1.7 // indirect
+	github.com/mattn/go-runewidth v0.0.4 // indirect
+	github.com/olekukonko/tablewriter v0.0.1
+)

go.sum

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+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gookit/color v1.1.7 h1:WR5I/mhSHzemW2DzG54hTsUb7OzaREvkcmUG4/WST4Q=
+github.com/gookit/color v1.1.7/go.mod h1:R3ogXq2B9rTbXoSHJ1HyUVAZ3poOJHpd9nQmyGZsfvQ=
+github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
+github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
+github.com/olekukonko/tablewriter v0.0.1 h1:b3iUnf1v+ppJiOfNX4yxxqfWKMQPZR5yoh8urCTFX88=
+github.com/olekukonko/tablewriter v0.0.1/go.mod h1:vsDQFd/mU46D+Z4whnwzcISnGGzXWMclvtLoiIKAKIo=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=

main.go

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+package main
+
+import (
+	"github.com/erdemolcay/quiz/pkg/qns"
+	"log"
+	"os"
+
+	"github.com/erdemolcay/quiz/pkg/csv"
+)
+
+func main()  {
+	if len(os.Args) < 2 {
+		log.Fatalln("Please specify CSV file path as the first argument!")
+	}
+
+	filePath := os.Args[1]
+
+	if _, err := os.Stat(filePath); os.IsNotExist(err) {
+		log.Fatalf("File: %s does not exist!\n", filePath)
+	}
+
+	questions := csv.Read(filePath)
+
+	qns.Intro(questions)
+
+	qns.Score(qns.Ask(questions))
+}
+

pkg/csv/read.go

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+package csv
+
+import (
+	"encoding/csv"
+	"io"
+	"log"
+	"os"
+	"strconv"
+)
+
+type Question struct {
+	QnText string
+	CorrectAnswer string
+	Points int
+}
+
+func Read(filePath string) []Question {
+	file, err := os.Open(filePath)
+
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	reader := csv.NewReader(file)
+
+	questions := make([]Question, 0)
+
+	for {
+		record, err := reader.Read()
+		if err == io.EOF {
+			break
+		}
+		if err != nil {
+			log.Fatal(err)
+		}
+
+		qnText := record[0]
+		correctAnswer := record[1]
+		points, err := strconv.Atoi(record[2])
+		if err != nil {
+			points = 0
+		}
+
+		questions = append(questions, Question{qnText, correctAnswer, points})
+	}
+
+	return questions
+}

pkg/qns/ask.go

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+package qns
+
+import (
+	"fmt"
+	"github.com/erdemolcay/quiz/pkg/csv"
+	"log"
+)
+
+type Result struct {
+	Correct bool
+	Points int
+	UserAnswer string
+	CorrectAnswer string
+}
+
+func Ask(questions []csv.Question) ([]Result, int, int) {
+	results := make([]Result, 0)
+	correctAnswersNum := 0
+	totalScore := 0
+
+	for i, question := range questions  {
+		userAnswer := ""
+		fmt.Printf("\n%d) %s? ", i+1, question.QnText)
+		_, err := fmt.Scan(&userAnswer)
+		if err != nil {
+			log.Fatal(err.Error())
+		}
+
+		if userAnswer == question.CorrectAnswer {
+			results = append(results, Result{true, question.Points, userAnswer, question.CorrectAnswer})
+			correctAnswersNum++
+			totalScore += question.Points
+		} else {
+			results = append(results, Result{false, 0, userAnswer, question.CorrectAnswer})
+		}
+	}
+
+	return results, correctAnswersNum, totalScore
+}

pkg/qns/intro.go

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+package qns
+
+import (
+	"fmt"
+	"github.com/erdemolcay/quiz/pkg/csv"
+	"log"
+)
+
+func Intro(questions []csv.Question) {
+	fmt.Printf("You will be asked %d questions in this test.\n\nPress [Enter] when you are ready.", len(questions))
+	_, err := fmt.Scanln()
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+}

pkg/qns/score.go

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+package qns
+
+import "fmt"
+
+func Score(results []Result, correctAnswersNum, totalScore int)  {
+	fmt.Printf("\nYou answered %d questions correctly. You have earned %d points.\n", correctAnswersNum, totalScore)
+
+	Table(results)
+}

pkg/qns/table.go

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+package qns
+
+import (
+	"fmt"
+	"github.com/olekukonko/tablewriter"
+	"os"
+	"strconv"
+)
+
+func Table(results []Result) {
+	fmt.Println("\nYou can see your detailed results below:")
+
+	table := tablewriter.NewWriter(os.Stdout)
+	table.SetHeader([]string{"#", "Your answer", "Correct answer", "Result", "Points earned"})
+	for i, result := range results {
+		if result.Correct {
+			table.Append([]string{strconv.Itoa(i+1), result.UserAnswer, result.CorrectAnswer, "Right", strconv.Itoa(result.Points)})
+		} else {
+			table.Append([]string{strconv.Itoa(i+1), result.UserAnswer, result.CorrectAnswer, "Wrong", strconv.Itoa(result.Points)})
+		}
+	}
+
+	table.Render()
+}