Agrega cliente de Crisp y manejo de comunicaciones con el cliente

crisp.js

+var Crisp = require("node-crisp-api");
+var CrispClient = new Crisp();
+const config = require('config');
+
+var identifier = config.get('credenciales.crisp.identifier');
+var key = config.get('credenciales.crisp.key');
+let SIGUIENTE_PASO = 'siguiente_paso';
+
+let localData = {};
+
+CrispClient.authenticate(identifier, key);
+
+async function sendTextMessage(website_id, session_id, message) {
+    await CrispClient.websiteConversations.sendMessage(
+        website_id,
+        session_id, {
+            type: "text",
+            from: "operator",
+            origin: "chat",
+            content: message
+        }
+    );
+}
+
+async function sendPickerMessage(website_id, session_id, id, title, choices) {
+    await CrispClient.websiteConversations.sendMessage(
+        website_id,
+        session_id, {
+            type: "picker",
+            from: "operator",
+            origin: "chat",
+            content: {
+                "id": id,
+                "text": title,
+                "choices": choices //array
+            }
+        }
+    );
+}
+
+async function getSiguientePaso(website_id, session_id) {
+    let data = await getUserData(website_id, session_id);
+    return data[SIGUIENTE_PASO];
+}
+
+async function setSiguientePaso(website_id, session_id, siguientePaso, userData) {
+    if (userData == null) {
+        userData = await getUserData(website_id, session_id);
+    }
+    userData[SIGUIENTE_PASO] = siguientePaso;
+    return await updateUserData(website_id, session_id, userData);
+}
+
+async function getUserData(website_id, session_id) {
+    let data = localData[website_id.concat(session_id)];
+    if(data == null){
+        await updateUserData(website_id, session_id, {});
+        return getUserData(website_id, session_id);
+    }
+    return data;
+}
+
+async function updateUserData(website_id, session_id, data) {
+    localData[website_id.concat(session_id)] = data;
+}
+
+module.exports =
+    {
+        CrispClient: CrispClient,
+        sendTextMessage: sendTextMessage,
+        sendPickerMessage: sendPickerMessage,
+        getSiguientePaso: getSiguientePaso,
+        setSiguientePaso: setSiguientePaso,
+        getUserData: getUserData,
+        updateUserData: updateUserData
+    }
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