latest build

public/index.js

@@ -0,0 +1,109 @@
+'use strict';
+
+const alexa = require('alexa-app');
+const endpoint = require('./src/api/endpoints');
+const getData = require('./src/helpers/get-data').getData;
+const modelData = require('./src/helpers/model-data').modelData;
+
+const app = new alexa.app('passport');
+
+//  Launch welcome
+
+app.launch((request, response) => {
+  response.say('Welcome to Passport, an unofficial skill, where you can get ask about info on current travel warnings and alerts issued by the U.S. State Department. You can ask things like: "Is it safe in Syria?" or "What is the status of Sudan?". You can even get information explaining the different advisories, by asking things like, "What is the difference between a warning and an alert?". Go ahead, ask away.');
+});
+
+// //  Get definition for travel warning
+
+app.intent('GetWarningDefinition', {
+  utterances: ['what is a travel warning']
+}, (request, response) => {
+  return Promise.all([getData(endpoint.warningsURL)]).then(res => modelData(res)).then(res => {
+    response.say(`${res.warnings.description}`);
+  }).catch(error => {
+    response.say(`I'm sorry, but I'm having a little trouble with your request. It seems that there is the following error: ${error}.`);
+  });
+});
+
+//  Definition for a travel alert
+
+app.intent('GetAlertDefinition', {
+  utterances: ['what is a travel alert']
+}, (request, response) => {
+  return Promise.all([getData(endpoint.alertsURL)]).then(res => modelData(res)).then(res => {
+    response.say(`${res.alerts.description}`);
+  }).catch(error => {
+    response.say(`I'm sorry, but I'm having a little trouble with your request. It seems that there is the following error: ${error}.`);
+  });
+});
+
+// Difference between a travel warning and travel alert (definitions)
+
+app.intent('GetAlertAndWarningDefinition', {
+  utterances: ['what is the difference between a warning and an alert']
+}, (request, response) => {
+  return Promise.all([getData(endpoint.warningsURL), getData(endpoint.alertsURL)]).then(res => modelData(res)).then(res => {
+    response.say(`${res.warnings.description}. meanwhile, ${res.alerts.description}.`);
+  }).catch(error => {
+    response.say(`I'm sorry, but I'm having a little trouble with your request. It seems that there is the following error: ${error}.`);
+  });
+});
+
+// Find country status
+
+app.intent('GetCountryStatus', {
+  slots: { country: 'AMAZON.Country' },
+  utterances: ['is it safe in {-|country}', 'should I visit {-|country}', 'is it ok to visit {-|country}', 'is it dangerous in {-|country}', 'how are things in {-|country}', 'what is the status of {-|country}', 'what is going on in {-|country}', 'is there any reason to not visit {-|country}', 'does {-|country} have any warnings or alerts']
+}, (request, response) => {
+  const phrase = request.slot('country').toLowerCase();
+
+  return Promise.all([getData(endpoint.warningsURL), getData(endpoint.alertsURL)]).then(res => modelData(res)).then(res => {
+    let searchResult = null;
+
+    res.warnings.list.forEach(item => {
+      if (item.country.includes(phrase)) {
+        searchResult = {
+          type: 'warning',
+          details: item
+        };
+      }
+    });
+
+    res.alerts.list.forEach(item => {
+      if (item.country.includes(phrase)) {
+        searchResult = {
+          type: 'warning',
+          details: item
+        };
+      }
+    });
+
+    if (searchResult) {
+      response.say(`There is currently a travel ${searchResult.type} in effect for ${searchResult.details.country}. This travel ${searchResult.type} was issued on ${searchResult.details.issuedAt}. ${searchResult.details.description}. For the most accurate and up to date travel advisories, please visit the U.S. State Department's web site at www.state.gov or by calling the State Department directly at (202) 647-6575.`);
+    } else {
+      response.say(`I don't see any current travel warnings or alerts for ${phrase}, however, for the most accurate and up to date travel advisories, please visit the U.S. State Department's web site at www.state.gov or by calling the State Department directly at (202) 647-6575.`);
+    }
+  }).catch(error => {
+    response.say(`I'm sorry, but I'm having a little trouble with your request. It seems that there is the following error: ${error}.`);
+  });
+});
+
+//  Find number of total warnings and alerts
+
+app.intent('GetCount', {
+  utterances: ['how many alerts are there', 'how many alerts are issued', 'how many warnings are there', 'how many warnings are issued']
+}, (request, response) => {
+  return Promise.all([getData(endpoint.warningsURL), getData(endpoint.alertsURL)]).then(res => modelData(res)).then(res => {
+    const warningPlaces = [];
+    const alertPlaces = [];
+
+    res.alerts.list.forEach(item => alertPlaces.push(item.country));
+    res.warnings.list.forEach(item => warningPlaces.push(item.country));
+
+    response.say(`The U.S. State Department currently has ${res.alerts.list.length} issued travel alerts and ${res.warnings.list.length} issued travel warnings. Travel alerts have been issued for the following reasons: ${alertPlaces.join(', ')}. Travel warnings have been issued for the following ${res.warnings.list.length} countries: ${warningPlaces.join(', ').sort()}`);
+  }).catch(error => {
+    response.say(`I'm sorry, but I'm having a little trouble with your request. It seems that there is the following error: ${error}.`);
+  });
+});
+
+exports.handler = app.lambda();

public/src/api/endpoints.js

@@ -0,0 +1,7 @@
+const warningsURL = 'https://travel.state.gov/_res/rss/TWs.xml';
+const alertsURL = 'https://travel.state.gov/_res/rss/TAs.xml';
+
+module.exports = {
+  warningsURL,
+  alertsURL
+};

public/src/helpers/get-data.js

@@ -0,0 +1,11 @@
+const fetch = require('node-fetch');
+
+const getData = url => {
+  return new Promise((resolve, reject) => {
+    fetch(url).then(res => {
+      res.status === 200 ? resolve(res.text()) : reject(res.status);
+    });
+  });
+};
+
+module.exports = { getData };

public/src/helpers/model-data.js

@@ -0,0 +1,29 @@
+const parseString = require('xml2js').parseString;
+
+const modelData = data => {
+  const notices = {
+    warnings: {},
+    alerts: {}
+  };
+
+  data.forEach(dataObj => {
+    parseString(dataObj, (err, res) => {
+      const advisory = res.rss.channel[0];
+      const title = advisory.title[0];
+      const type = title.toLowerCase().includes('warning') ? 'warnings' : 'alerts';
+      notices[type].title = `travel ${type}`;
+      notices[type].description = advisory.description[0].toLowerCase();
+      notices[type].list = [];
+      advisory.item.forEach(detail => {
+        notices[type].list.push({
+          country: detail.title[0].toLowerCase().replace(/ travel (warning|alert)/g, ''),
+          issuedAt: detail.pubDate[0].replace(/EST/, 'Eastern Standard Time').toLowerCase(),
+          description: detail.description[0].toLowerCase().replace(/\\n/g, ' ').replace(/\<.*?\>\s?/g, ' ').replace(/\&.*?\;\s?/g, ' ')
+        });
+      });
+    });
+  });
+  return notices;
+};
+
+module.exports = { modelData };