8 changed files with 276 additions and 48 deletions
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import testQuestions from "../data/test" |
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import aerodynamicsQuestions from "../data/aerodynamics" |
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import firstAidQuestions from "../data/firstAid" |
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import flightSafetyQuestions from "../data/flightSafety" |
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import instrumentsQuestions from "../data/instruments" |
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import legislationQuestions from "../data/legislation" |
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import materialsQuestions from "../data/materials" |
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import meteorologyQuestions from "../data/meteorology" |
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import physiopathologyQuestions from "../data/physiopathology" |
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import pilotingTechniquesQuestions from "../data/pilotingTechniques" |
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import { examScheme } from "../components/Variables" |
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let tmpQuestions = [] |
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const allQuestions = { |
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aerodynamics: aerodynamicsQuestions, |
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firstAid: firstAidQuestions, |
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flightSafety: flightSafetyQuestions, |
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instruments: instrumentsQuestions, |
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legislation: legislationQuestions, |
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materials: materialsQuestions, |
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meteorology: meteorologyQuestions, |
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physiopathology: physiopathologyQuestions, |
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pilotingTechniques: pilotingTechniquesQuestions |
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} |
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const generateQuestions = () => { |
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examScheme.forEach( (elem) => { |
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let currentSection = allQuestions[elem.section] |
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for(let i=0; i<elem.questions; i++) { |
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const currentIndex = Math.floor(Math.random() * elem.questions) |
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//currentSection[currentIndex].question = elem.section + currentSection[currentIndex].question
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tmpQuestions.push(currentSection[currentIndex]) |
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currentSection = currentSection.filter( (item, index) => index != currentIndex) |
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} |
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}) |
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} |
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generateQuestions() |
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export const examQuestions = tmpQuestions |
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import React from "react" |
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import { View, ScrollView, StyleSheet, StatusBar, Text, SafeAreaView } from "react-native" |
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import { Button, ButtonContainer } from "../components/Button" |
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import { Alert } from "../components/Alert" |
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import { Results } from "../components/Results" |
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import { colors } from "../components/Variables" |
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const styles = StyleSheet.create({ |
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container: { |
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backgroundColor: colors.blue, |
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flex: 1, |
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paddingHorizontal: 20 |
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}, |
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text: { |
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color: colors.white, |
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fontSize: 20, |
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textAlign: "center", |
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fontWeight: "600", |
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paddingVertical: 20, |
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marginTop: 20, |
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}, |
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timer: { |
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color: colors.white, |
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fontSize: 30, |
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textAlign: "center", |
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fontWeight: "600", |
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paddingVertical: 10, |
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marginTop: 10, |
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}, |
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safearea: { |
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flex: 1, |
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marginTop: 20, |
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justifyContent: "space-between" |
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} |
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}) |
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let interval = null |
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const maxTime = 10 // 1800
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class Exam extends React.Component { |
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state = { |
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correctCount: 0, |
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wrongCount: 0, |
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totalCount: this.props.navigation.getParam("questions", []).length, |
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availableIds: this.props.navigation.getParam("questions", []).map(a => a.id), |
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activeQuestionId: this.props.navigation.getParam("questions", [])[ |
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Math.floor(Math.random() * this.props.navigation.getParam("questions", []).length) |
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].id, |
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answered: false, |
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answerCorrect: false, |
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results: false, |
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timer: maxTime |
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} |
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answer = correct => { |
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this.setState( |
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state => { |
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const nextState = { answered: true } |
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if (correct) { |
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nextState.correctCount = state.correctCount + 1 |
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nextState.answerCorrect = true |
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} else { |
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nextState.wrongCount = state.wrongCount + 1 |
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nextState.answerCorrect = false |
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} |
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return nextState |
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}, |
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() => { |
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setTimeout(() => this.nextQuestion(), 750) |
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} |
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) |
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} |
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nextQuestion = () => { |
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this.setState( (state) => { |
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const updatedIndexes = state.availableIds.filter( item => item != state.activeQuestionId) |
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const nextId = updatedIndexes[Math.floor(Math.random() * updatedIndexes.length)] |
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let resultsShow = this.state.timer <= 1 || false |
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if (!updatedIndexes.length) { |
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resultsShow = true |
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setTimeout( () => { |
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this.props.navigation.popToTop() |
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}, 5000) |
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} |
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return { |
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availableIds: updatedIndexes, |
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activeQuestionId: nextId, |
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answered: false, |
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results: resultsShow |
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} |
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}) |
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} |
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render() { |
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const questions = this.props.navigation.getParam("questions", []) |
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const question = questions.filter(item => item.id == this.state.activeQuestionId)[0] || questions[0] |
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if(this.state.timer==maxTime) { |
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interval = setInterval( () => { |
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this.setState( (state) => { |
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return { |
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timer: this.state.timer-1, |
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results: this.state.timer <= 1 || false |
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} |
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}) |
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}, 1000) |
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} |
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if(this.state.timer < 1) { |
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clearInterval(interval) |
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setTimeout( () => { |
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this.props.navigation.popToTop() |
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}, 5000) |
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} |
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return ( |
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<ScrollView style={[ |
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styles.container, |
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{ backgroundColor: this.props.navigation.getParam("color") } |
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]} |
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> |
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<StatusBar barStyle="light-content" /> |
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<SafeAreaView style={styles.safearea}> |
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<Text style={styles.timer}>{new Date(this.state.timer * 1000).toISOString().substr(11, 8)}</Text> |
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<View> |
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<Text style={styles.text}>{question.question}</Text> |
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<ButtonContainer> |
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{question.answers.map(answer => ( |
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<Button |
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key={answer.id} |
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text={answer.text} |
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onPress={() => this.answer(answer.correct)} |
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/> |
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))} |
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</ButtonContainer> |
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</View> |
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<Text style={styles.text}> |
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{`${this.state.correctCount+this.state.wrongCount}/${this.state.totalCount}`} |
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</Text> |
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</SafeAreaView> |
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<Alert |
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correct={this.state.answerCorrect} |
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visible={this.state.answered} |
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/> |
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<Results |
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total={this.state.totalCount} |
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correct={this.state.correctCount} |
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wrong={this.state.wrongCount} |
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visible={this.state.results} |
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/> |
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</ScrollView> |
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) |
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} |
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} |
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export default Exam |
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