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skyeng-login.js
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skyeng-login.js
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'use strict';
const lexResponses = require('lex-responses');
const richMessages = require('rich-messages');
const skyEngApi = require('skyeng-api');
const db = require('db');
exports.handle = function (intentRequest, callback) {
db.findUser(intentRequest.userId)
.then(user => {
console.log(`User found: ${JSON.stringify(user)}`);
if (user !== null) {
handleLoginIntent(intentRequest, callback);
} else {
handleUnknownUser(callback);
}
}
).catch(e => {
console.error(e);
callback(
lexResponses.close(
{},
'Fulfilled',
{
contentType: 'PlainText',
content: richMessages.json([
richMessages.text('Something went wrong', [
richMessages.option('Test', 'Test'),
richMessages.option('Learn', 'Learn'),
])
])
}
)
);
}
);
};
function handleLoginIntent(intentRequest, callback) {
if ('Email' in intentRequest.currentIntent.slots && intentRequest.currentIntent.slots['Email'] !== null) {
if ('Token' in intentRequest.currentIntent.slots && intentRequest.currentIntent.slots['Token'] !== null) {
// TODO save to database
callback(
lexResponses.close(
{},
'Fulfilled',
{
contentType: 'PlainText',
content: richMessages.json([
richMessages.text('SkyEng information saved', [
richMessages.option('Learn', 'Learn'),
richMessages.option('Test', 'Test'),
])
])
}
)
);
} else {
skyEngApi.requestToken(intentRequest.currentIntent.slots.Email);
callback(elicitToken(intentRequest));
}
} else {
callback(elicitEmail(intentRequest));
}
}
function elicitEmail(intentRequest) {
return lexResponses.elicitSlot(
{
},
intentRequest.currentIntent.name,
{
Email: null,
Token: null
},
'Email',
{
contentType: 'PlainText',
content: 'What is your email?'
}
)
}
function elicitToken(intentRequest) {
return lexResponses.elicitSlot(
{
},
intentRequest.currentIntent.name,
{
Email: intentRequest.currentIntent.slots['Email'],
Token: null
},
'Token',
{
contentType: 'PlainText',
content: richMessages.json([
richMessages.text('I sent you an email with a token'),
richMessages.text('Could you please enter it?')
])
}
)
}
function handleUnknownUser(callback) {
callback(
lexResponses.close(
{},
'Fulfilled',
{
contentType: 'PlainText',
content: richMessages.json([
richMessages.text(`Please learn some words first!`, [
richMessages.option('Learn', 'Learn'),
richMessages.option('Stop', 'Stop')
])
])
}
)
);
}