Added questions of spain capitals and countries capitals

game/qgservice/qg-service.js

@@ -78,6 +78,42 @@ app.get('/spainPopulation', async (req, res) => {
   }
 });
 
+app.get('/worldCapitals', async (req, res) => {
+  try {
+    const sparqlResult = await executeSparqlQuery(worldCapitalQuery);
+    const countryCapitals = new Map();
+
+    sparqlResult.results.bindings.forEach(entry => {
+      const countryLabel = entry.countryLabel.value;
+      const capital = entry.capitalLabel.value;
+      countryCapitals.set(countryLabel, capital);
+    });
+
+    const question = generateQuestionCapital(countryCapitals);
+    res.json(question);
+  } catch (error) {
+    res.status(500).json({ error: 'Internal Server Error' });
+  }
+});
+
+app.get('/spainCapitals', async (req, res) => {
+  try {
+    const sparqlResult = await executeSparqlQuery(spainCapitalQuery);
+    const countryCapitals = new Map();
+
+    sparqlResult.results.bindings.forEach(entry => {
+      const countryLabel = entry.countryLabel.value;
+      const capital = entry.capitalLabel.value;
+      countryCapitals.set(countryLabel, capital);
+    });
+
+    const question = generateQuestionCapital(countryCapitals);
+    res.json(question);
+  } catch (error) {
+    res.status(500).json({ error: 'Internal Server Error' });
+  }
+});
+
 app.get('/', (req, res) => {
   res.json({
     "hi": "question generator"

game/qgservice/queries.js

@@ -23,6 +23,26 @@ WHERE {
 }
 `
 
+const worldCapitalQuery = `
+SELECT ?country ?countryLabel ?capital ?capitalLabel WHERE {
+  ?country wdt:P31 wd:Q6256;
+        wdt:P36 ?capital.
+  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
+}
+`
+
+// Utilizar country en vez de comunidad para poder reaprovechar codigo
+const spainCapitalQuery = `
+SELECT ?country ?countryLabel ?capital ?capitalLabel WHERE {
+  ?country wdt:P31 wd:Q10742;
+    wdt:P36 ?capital;
+    wdt:P17 wd:Q29.
+  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
+}
+`
+
+
+
 const chatgptPrompt = `
 Hi, I want you to generate trivia questions, with 1 correct answer and 3 incorrect. Please format them as:
 question: *question*

game/qgservice/questiongenerator.js

@@ -37,6 +37,43 @@ function generateQuestionPopulation(cityPopulationMap) {
   return question;
 }
 
+function generateQuestionCapital(countryCapitalMap) {
+  const countryCapitalArray = Array.from(countryCapitalMap);
+
+  const randomIndex = Math.floor(Math.random() * countryCapitalArray.length);
+  const [country, capital] = countryCapitalArray[randomIndex];
+
+  const incorrectAnswers = [];
+  while (incorrectAnswers.length < 3) {
+    const randomCountry = countryCapitalArray[Math.floor(Math.random() * countryCapitalArray.length)];
+    const [randomCountryName, randomCountryCapital] = randomCountry;
+    if (randomCountryName !== country && !incorrectAnswers.includes(randomCountryCapital)) {
+      incorrectAnswers.push(randomCountryCapital);
+    }
+  }
+
+  // Create the question object
+  const question = {
+    question: `What is the capital of ${country}?`,
+    correctAnswer: capital,
+    incorrectAnswer1: incorrectAnswers[0],
+    incorrectAnswer2: incorrectAnswers[1],
+    incorrectAnswer3: incorrectAnswers[2],
+  };
+
+  // Save the question to MongoDB
+  const newQuestion = new Question4Answers(question);
+  newQuestion.save()
+    .then(savedQuestion => {
+      console.log('Question saved to MongoDB:', savedQuestion);
+    })
+    .catch(error => {
+      console.error('Error saving question to MongoDB:', error.message);
+    });
+
+  return question;
+}
+
 module.exports = {
   generateQuestionPopulation,
 };