Worwae77 patch 2

bot.js

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+'use strict';
+
+// Weather Example
+// See https://wit.ai/sungkim/weather/stories and https://wit.ai/docs/quickstart
+const Wit = require('node-wit').Wit;
+const FB = require('./facebook.js');
+const Config = require('./const.js');
+
+const firstEntityValue = (entities, entity) => {
+  const val = entities && entities[entity] &&
+    Array.isArray(entities[entity]) &&
+    entities[entity].length > 0 &&
+    entities[entity][0].value;
+  if (!val) {
+    return null;
+  }
+  return typeof val === 'object' ? val.value : val;
+};
+
+// Bot actions
+const actions = {
+  say(sessionId, context, message, cb) {
+    console.log(message);
+	//console.log(sendGenericMessage(1234));  //test GenericMessage 
+    // Bot testing mode, run cb() and return
+    if (require.main === module) {
+      cb();
+      return;
+    }
+
+    // Our bot has something to say!
+    // Let's retrieve the Facebook user whose session belongs to from context
+    // TODO: need to get Facebook user name
+    const recipientId = context._fbid_;
+    if (recipientId) {
+      // Yay, we found our recipient!
+      // Let's forward our bot response to her.
+      FB.fbMessage(recipientId, message, (err, data) => {
+        if (err) {
+          console.log(
+            'Oops! An error occurred while forwarding the response to',
+            recipientId,
+            ':',
+            err
+          );
+        }
+        // Let's give the wheel back to our bot
+        cb();
+      });
+    } else {
+      console.log('Oops! Couldn\'t find user in context:', context);
+      // Giving the wheel back to our bot
+      cb();
+    }
+  },
+  merge(sessionId, context, entities, message, cb) {
+    // Retrieve the location entity and store it into a context field
+    const loc = firstEntityValue(entities, 'location');
+    if (loc) {
+      context.loc = loc; // store it in context
+    }
+
+    cb(context);
+  },
+
+  error(sessionId, context, error) {
+    console.log(error.message);
+  },
+
+  // fetch-weather bot executes
+  ['fetch-weather'](sessionId, context, cb) {
+    // Here should go the api call, e.g.:
+    // context.forecast = apiCall(context.loc)
+    context.forecast = 'sunny';
+    cb(context);
+  },
+};
+
+const getWit = () => {
+  return new Wit(Config.WIT_TOKEN, actions);
+};
+
+exports.getWit = getWit;
+
+// bot testing mode
+// http://stackoverflow.com/questions/6398196
+if (require.main === module) {
+  console.log("Bot testing mode.");
+
+  const client = getWit();
+  client.interactive();
+}

const.js

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+'use strict';
+
+// Wit.ai parameters
+//const WIT_TOKEN = process.env.WIT_TOKEN;
+const WIT_TOKEN = "YVTD4SSYSXSSYNHGY3TZOG6PTQMP7UWF";
+if (!WIT_TOKEN) {
+  throw new Error('missing WIT_TOKEN');
+}
+
+// Messenger API parameters
+const FB_PAGE_TOKEN = process.env.FB_PAGE_TOKEN;
+
+var FB_VERIFY_TOKEN = process.env.FB_VERIFY_TOKEN;
+if (!FB_VERIFY_TOKEN) {
+  FB_VERIFY_TOKEN = "just_do_it";
+}
+
+module.exports = {
+  WIT_TOKEN: WIT_TOKEN,
+  FB_PAGE_TOKEN: FB_PAGE_TOKEN,
+  FB_VERIFY_TOKEN: FB_VERIFY_TOKEN,
+};

facebook.js

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+'use strict';
+
+// See the Send API reference
+// https://developers.facebook.com/docs/messenger-platform/send-api-reference
+const request = require('request');
+const Config = require('./const.js');
+
+const fbReq = request.defaults({
+  uri: 'https://graph.facebook.com/me/messages',
+  method: 'POST',
+  json: true,
+  qs: {
+    access_token: Config.FB_PAGE_TOKEN
+  },
+  headers: {
+    'Content-Type': 'application/json'
+  },
+});
+
+
+const fbMessage = (recipientId, msg, cb) => {
+  const opts = {
+    form: {
+      recipient: {
+        id: recipientId,
+      },
+      message: {
+        text: msg,
+      },
+    },
+  };
+
+  fbReq(opts, (err, resp, data) => {
+    if (cb) {
+      cb(err || data.error && data.error.message, data);
+    }
+  });
+};
+
+
+// See the Webhook reference
+// https://developers.facebook.com/docs/messenger-platform/webhook-reference
+const getFirstMessagingEntry = (body) => {
+  const val = body.object === 'page' &&
+    body.entry &&
+    Array.isArray(body.entry) &&
+    body.entry.length > 0 &&
+    body.entry[0] &&
+    body.entry[0].messaging &&
+    Array.isArray(body.entry[0].messaging) &&
+    body.entry[0].messaging.length > 0 &&
+    body.entry[0].messaging[0];
+
+  return val || null;
+};
+
+
+
+module.exports = {
+  getFirstMessagingEntry: getFirstMessagingEntry,
+  fbMessage: fbMessage,
+  fbReq: fbReq
+};