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index.js
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index.js
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const express = require("express");
const bodyParser = require("body-parser");
const app = express();
const nodemailer = require("nodemailer"),
transporter = nodemailer.createTransport({
host: "smtp.zoho.in",
port: 465,
secure: true,
auth: {
user: "[email protected]",
pass: process.env.EMAIL_PASS
}
}),
EmailTemplate = require("email-templates").EmailTemplate,
path = require("path"),
Promise = require("bluebird");
app.use(bodyParser.json());
function sendEmail(obj) {
return transporter.sendMail(obj);
}
function loadTemplate(templateName, contexts) {
let template = new EmailTemplate(
path.join(__dirname, "templates", templateName)
);
return Promise.all(
contexts.map(context => {
return new Promise((resolve, reject) => {
template.render(context.new, (err, result) => {
if (err) reject(err);
else
resolve({
email: result,
context
});
});
});
})
);
}
function echo(payload) {
if (payload.trigger.name === "test") {
let responseBody = "";
if (payload.event.op === "INSERT") {
responseBody = `New user ${payload.event.data.new.id} inserted, with data: ${
payload.event.data.new.name
}`;
loadTemplate("welcome", [payload.event.data])
.then(results => {
return Promise.all(
results.map(result => {
sendEmail({
to: result.context.new.email,
from: "[email protected]",
subject: result.email.subject,
html: result.email.html,
text: result.email.text
});
})
);
})
.catch(e => {
console.log("Error Found: ", e);
});
} else if (payload.event.op === "UPDATE") {
responseBody = `User ${payload.event.data.new.id} updated, with data: ${
payload.event.data.new.name
}`;
} else if (payload.event.op === "DELETE") {
responseBody = `User ${payload.event.data.old.id} deleted, with data: ${
payload.event.data.old.name
}`;
}
return responseBody;
}
else if (payload.trigger.name === "add_project") {
let responseBody = "";
if (payload.event.op === "INSERT") {
responseBody = `New project ${payload.event.data.new.id} inserted, with data: ${
payload.event.data.new.project_name} with senderEmail: ${payload.event.session_variables['x-hasura-email']
}`;
loadTemplate("Add_Project", [payload.event])
.then(results => {
return Promise.all(
results.map(result => {
sendEmail({
to: result.context.session_variables['x-hasura-email'],
from: "[email protected]",
subject: result.email.subject,
html: result.email.html,
text: result.email.text
});
})
);
})
.catch(e => {
console.log("Error Found: ", e);
});
} else if (payload.event.op === "UPDATE") {
responseBody = `User ${payload.event.data.new.id} updated, with data: ${
payload.event.data.new.project_name
}`;
} else if (event.op === "DELETE") {
responseBody = `User ${payload.event.data.old.id} deleted, with data: ${
payload.event.data.old.project_name
}`;
}
return responseBody;
}
}
app.post("/", function (req, res) {
try {
let payload = req.body;
let result = echo(payload);
res.json(result);
} catch (e) {
console.log(e);
res.status(500).json(e.toString());
}
});
app.post("/addproject", function (req, res) {
try {
let payload = req.body;
let result1 = echo(payload);
res.json(result1);
// console.log(res);
} catch (e) {
console.log(e);
res.status(500).json(e.toString());
}
});
app.get("/", function (req, res) {
res.send("Hello World - For Add User Event Triggers, try a POST request?");
});
app.get("/addproject", function (req, res) {
res.send("Hello World - For Add Project Event Triggers, try a POST request?");
});
let server = app.listen(process.env.PORT || 5000, function(err) {
if(!err) {
console.log("Server Listening on PORT " + server.address().port);
} else {
console.log(err);
}
});