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refactored for pg pool

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This commit is contained in:
Mikayla Dobson
2022-07-05 11:59:37 -05:00
parent f54b4fc5d6
commit f1d964b092
8 changed files with 85 additions and 87 deletions
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9
db/Client.js
View File

@@ -1,9 +0,0 @@
const { Client } = require('pg');
require('dotenv').config({ path: './config.env' });
const connectionString = process.env.CONNECTION;
const client = () => {
return new Client(connectionString);
}
module.exports = client;

2
db/Pool.js
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@@ -5,7 +5,7 @@ const pool = new Pool({ connectionString: process.env.CONNECTION });
module.exports = {
// text = SQL query; params = array of values to inject
connect: async () => await pool.connect(),
connect: async () => await pool.connect().then(console.log("Connection successful.")),
query: (text, params) => pool.query(text, params),
end: async () => await pool.end()
}

1
loaders/passport.js
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@@ -1,6 +1,5 @@
const passport = require('passport');
const LocalStrategy = require('passport-local');
const client = require('../db/Client');
module.exports = (app) => {
app.use(passport.initialize());

1
routes/_experimental.js
View File

@@ -37,6 +37,7 @@ experimentRouter.route('/').put(async (req, res) => {
throw new Error(e);
} finally {
client.release();
console.log("Client disconnected.");
}
}
})

19
routes/login.js
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@@ -1,15 +1,13 @@
const loginRouter = require('express').Router();
const { connect } = require('../db/Pool');
const bcrypt = require('bcrypt');
const loginRouter = require('express').Router();
const client = require('../db/Client');
loginRouter.route('/').post(async (req, res) => {
const newClient = client();
const { email, password } = req.body;
const client = await connect();
try {
newClient.connect().then(console.log("Connection successful."));
let hash = await newClient.query("SELECT password FROM users WHERE email = ($1)", [email]);
let hash = await client.query("SELECT password FROM users WHERE email = ($1)", [email]);
hash = hash.rows[0].password;
const match = bcrypt.compare(password, hash);
@@ -19,7 +17,7 @@ loginRouter.route('/').post(async (req, res) => {
req.session.authenticated = true;
req.session.user = { email: email, password: password }
let fullUserProfile = await newClient.query("SELECT * FROM users WHERE email = ($1)", [email]);
let fullUserProfile = await client.query("SELECT * FROM users WHERE email = ($1)", [email]);
res.send({
session: req.session,
@@ -27,10 +25,11 @@ loginRouter.route('/').post(async (req, res) => {
});
}
} catch(e) {
console.log(e);
await client.query("ROLLBACK");
throw new Error(e);
} finally {
await newClient.end()
.then(console.log("Client disconnected."));
client.release()
console.log("Client disconnected.");
}
});

60
routes/products.js
View File

@@ -1,62 +1,64 @@
const express = require('express');
const productsRouter = express.Router();
const client = require('../db/Client');
const { connect } = require('../db/Pool');
// route to get all products
productsRouter.route('/').get(async (req, res) => {
const newClient = client();
const client = await connect();
try {
newClient.connect()
.then(console.log('Success'));
const result = await newClient.query("SELECT * FROM products");
res.send(result.rows);
await client.query("BEGIN");
const result = await client.query("SELECT * FROM products");
await client.query("COMMIT");
if (result) res.send(result.rows);
} catch(e) {
console.log(e);
await client.query("ROLLBACK");
throw new Error(e);
} finally {
newClient.end()
.then(console.log("Client disconnected."));
client.release();
console.log("Client disconnected.");
}
});
// route to get a product by id
productsRouter.route('/:id').get(async (req, res) => {
const { id } = req.params;
const newClient = client();
const client = await connect();
try {
newClient.connect().then(console.log("Connection successful."));
const result = await newClient.query(("SELECT * FROM products WHERE id = ($1)"), [id]);
res.send(result.rows[0]);
await client.query("BEGIN");
const result = await client.query(("SELECT * FROM products WHERE id = ($1)"), [id]);
await client.query("COMMIT");
if (result) res.send(result.rows[0]);
} catch(e) {
console.log(e);
await client.query("ROLLBACK");
throw new Error(e);
} finally {
await newClient.end()
.then(console.log("Client disconnected."));
client.release()
console.log("Client disconnected.");
}
});
// post a product from req.body
productsRouter.route('/').post(async (req, res) => {
const newClient = client();
const { name, description, category, categoryID, price } = req.body;
const input = `
INSERT INTO products (name, description, category, category_id, price)
VALUES ($1, $2, $3, $4, $5)
`
const client = await connect();
try {
newClient.connect((err) => {
if (err) {
throw err;
} else {
console.log("Connection successful.")
}
});
await newClient.query(("INSERT INTO products (name, description, category, category_id, price) VALUES ($1, $2, $3, $4, $5)"), [name, description, category, categoryID, price]);
await client.query("BEGIN");
await client.query(input, [name, description, category, categoryID, price]);
await client.query("COMMIT");
res.sendStatus(204);
} catch(e) {
console.log(e);
await client.query("ROLLBACK");
throw new Error(e);
} finally {
await newClient.end()
await client.release()
.then(console.log("Client disconnected."));
}
});

23
routes/register.js
View File

@@ -1,26 +1,27 @@
const registerRouter = require('express').Router();
const { connect } = require('../db/Pool');
const bcrypt = require('bcrypt');
const registerRouter = require('express').Router();
const client = require('../db/Client');
registerRouter.route('/').post(async (req, res) => {
const newClient = client();
const { firstName, lastName, email, password } = req.body;
const input = "INSERT INTO users (first_name, last_name, email, password) values ($1, $2, $3, $4)";
const salt = await bcrypt.genSalt(10);
const hash = await bcrypt.hash(password, salt);
const client = await connect();
try {
newClient.connect().then(console.log("Connection successful."));
await newClient.query(
"INSERT INTO users (first_name, last_name, email, password) values ($1, $2, $3, $4)",
[firstName, lastName, email, hash]);
await client.query("BEGIN");
await client.query(input, [firstName, lastName, email, hash]);
await client.query("COMMIT");
res.sendStatus(200);
} catch(e) {
console.log(e);
await client.query("ROLLBACK");
throw new Error(e);
} finally {
await newClient.end()
.then(console.log("Client disconnected."));
client.release();
console.log("Client disconnected.");
}
});

57
routes/user.js
View File

@@ -1,38 +1,41 @@
const express = require('express');
const userRouter = express.Router();
const client = require('../db/Client');
// const client = require('../db/Client');
const { connect } = require('../db/Pool');
// get a list of all users, or a single user matching an email passed in as a query param
userRouter.route('/').get(async (req, res) => {
const newClient = client();
const { email } = req.query;
const client = await connect()
.then(console.log('Connection successful.'))
.catch(e => console.log(e));
if (!email) {
try {
await newClient.connect()
.then(console.log('Connection successful.'));
const results = await newClient.query("SELECT * FROM users");
res.send(results.rows);
await client.query("BEGIN");
const results = await client.query("SELECT * FROM users");
await client.query("COMMIT");
if (results) res.send(results.rows);
} catch(e) {
console.log(e);
await client.query('ROLLBACK');
throw new Error(e);
} finally {
await newClient.end();
await client.release();
console.log("Client disconnected.");
}
} else {
try {
await newClient.connect()
.then(console.log("Connection successful."));
const result = await newClient.query(("SELECT * FROM users WHERE email = ($1)"), [email])
res.send(result.rows);
await client.query("BEGIN");
const result = await client.query(("SELECT * FROM users WHERE email = ($1)"), [email])
await client.query("COMMIT");
if (result) res.send(result.rows);
} catch(e) {
console.log(e);
await client.query('ROLLBACK');
throw new Error(e);
} finally {
await newClient.end()
.then(console.log("Client disconnected."));
await client.release();
console.log("Client disconnected.");
}
}
});
@@ -40,19 +43,21 @@ userRouter.route('/').get(async (req, res) => {
// post a new user to the database
userRouter.route('/').post(async (req, res) => {
const { name, email } = req.body;
const newClient = client();
const client = await connect()
.then(console.log('Connection successful.'));
const input = "INSERT INTO users (name, email) VALUES ($1, $2)";
try {
await newClient.connect()
.then(console.log("Connection successful."));
await newClient.query(("INSERT INTO users (name, email) VALUES ($1, $2)"), [name, email])
.then(res.sendStatus(204));
await client.query("BEGIN");
await client.query(input, [name, email]);
await client.query("COMMIT");
res.sendStatus(200);
} catch(e) {
console.log(e);
await client.query('ROLLBACK');
throw new Error(e);
} finally {
await newClient.end()
.then(console.log("Client disconnected."));
await client.release();
console.log("Client disconnected.");
}
});