question population spain

Arquisoft · Feb 23, 2024 · e454103 · e454103
1 parent d9bf7b4
commit e454103
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Showing 2 changed files with 32 additions and 1 deletion.
diff --git a/game/qgservice/qg-service.js b/game/qgservice/qg-service.js
@@ -2,7 +2,7 @@
 const express = require('express');
 const bodyParser = require('body-parser');
 const axios = require('axios');
-const { usaPopulationQuery } = require('./queries');
+const { usaPopulationQuery, spainPopulationQuery } = require('./queries');
 const { generateQuestionPopulation } = require('./questiongenerator');
 
 const app = express();
@@ -48,6 +48,24 @@ app.get('/usaPopulation', async (req, res) => {
   }
 });
 
+app.get('/spainPopulation', async (req, res) => {
+  try {
+    const sparqlResult = await executeSparqlQuery(spainPopulationQuery);
+    const cityPopulation = new Map();
+
+    sparqlResult.results.bindings.forEach(entry => {
+      const cityLabel = entry.cityLabel.value;
+      const population = parseFloat(entry.population.value);
+      cityPopulation.set(cityLabel, population);
+    });
+
+    const question = generateQuestionPopulation(cityPopulation);
+    res.json(question);
+  } catch (error) {
+    res.status(500).json({ error: 'Internal Server Error' });
+  }
+});
+
 app.get('/', (req, res) => {
   res.json({
     "hi": "question generator"

diff --git a/game/qgservice/queries.js b/game/qgservice/queries.js
@@ -11,6 +11,19 @@ SELECT DISTINCT ?city ?cityLabel ?population ?country ?countryLabel
   }
 `;
 
+const spainPopulationQuery = `
+SELECT DISTINCT ?city ?cityLabel ?population ?country ?countryLabel
+WHERE {
+  ?city wdt:P31/wdt:P279* wd:Q515.
+  ?city wdt:P17 ?country.
+  ?country wdt:P17 wd:Q29.
+  OPTIONAL { ?city wdt:P1082 ?population. }
+  FILTER (?population > 100000) # Filter for cities with population > 1,000,000
+  SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
+}
+`
+
 module.exports = {
   usaPopulationQuery,
+  spainPopulationQuery
 };