CS307-Team24/functions/handlers/users.js
2019-10-31 16:57:22 -04:00

345 lines
9.5 KiB
JavaScript
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/* eslint-disable promise/catch-or-return */
const { admin, db } = require("../util/admin");
const config = require("../util/config");
const { validateUpdateProfileInfo } = require("../util/validator");
const firebase = require("firebase");
firebase.initializeApp(config);
exports.signup = (req, res) => {
const newUser = {
email: req.body.email,
handle: req.body.handle,
password: req.body.password,
confirmPassword: req.body.confirmPassword,
createdAt: new Date().toISOString()
};
let errors = {};
const emailRegEx = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
// Email check
if (newUser.email.trim() === "") {
errors.email = "Email must not be blank.";
} else if (!newUser.email.match(emailRegEx)) {
errors.email = "Email is invalid.";
}
// handle check
if (newUser.handle.trim() === "") {
errors.handle = "Username must not be blank.";
} else if (newUser.handle.length < 4 || newUser.handle.length > 30) {
errors.handle = "Username must be between 4-30 characters long.";
}
// Password check
if (newUser.password.trim() === "") {
errors.password = "Password must not be blank.";
} else if (newUser.password.length < 8 || newUser.password.length > 20) {
errors.password = "Password must be between 8-20 characters long.";
}
// Confirm password check
if (newUser.confirmPassword !== newUser.password) {
errors.confirmPassword = "Passwords must match.";
}
// Overall check
if (Object.keys(errors).length > 0) {
return res.status(400).json(errors);
}
let token, userId;
db.doc(`/users/${newUser.handle}`)
.get()
.then(doc => {
if (doc.exists) {
return res
.status(400)
.json({ handle: "This username is already taken." });
}
return firebase
.auth()
.createUserWithEmailAndPassword(newUser.email, newUser.password);
})
.then(data => {
userId = data.user.uid;
return data.user.getIdToken();
})
.then(idToken => {
token = idToken;
const userCred = {
email: newUser.email,
handle: newUser.handle,
createdAt: newUser.createdAt,
userId,
followedTopics: []
};
return db.doc(`/users/${newUser.handle}`).set(userCred);
})
.then(() => {
return res.status(201).json({ token });
})
.catch(err => {
console.error(err);
if (err.code === "auth/email-already-in-use") {
return res.status(500).json({ email: "This email is already taken." });
}
return res.status(500).json({ error: err.code });
});
};
exports.login = (req, res) => {
const user = {
email: req.body.email,
password: req.body.password
};
// Auth validation
let errors = {};
const emailRegEx = /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/;
// Checks if email/username field is empty
if (user.email.trim() === "") {
errors.email = "Email must not be blank.";
}
// Checks if password field is empty
if (user.password.trim() === "") {
errors.password = "Password must not be blank.";
}
// Checks if any of the above two errors were found
if (Object.keys(errors).length > 0) {
return res.status(400).json(errors);
}
// Email/username field is username since it's not in email format
if (!user.email.match(emailRegEx)) {
var userDoc = db.collection("users").doc(`${user.email}`);
userDoc
.get()
.then(function(doc) {
if (doc.exists) {
user.email = doc.data().email;
} else {
return res
.status(403)
.json({ general: "Invalid credentials. Please try again." });
}
return;
})
.then(function() {
firebase
.auth()
.signInWithEmailAndPassword(user.email, user.password)
.then(data => {
return data.user.getIdToken();
})
.then(token => {
return res.status(200).json({ token });
})
.catch(err => {
console.error(err);
if (
err.code === "auth/user-not-found" ||
err.code === "auth/invalid-email" ||
err.code === "auth/wrong-password"
) {
return res
.status(403)
.json({ general: "Invalid credentials. Please try again." });
}
return res.status(500).json({ error: err.code });
});
return;
})
.catch(function(err) {
if (!doc.exists) {
return res
.status(403)
.json({ general: "Invalid credentials. Please try again." });
}
return res.status(500).send(err);
});
}
// Email/username field is username
else {
firebase
.auth()
.signInWithEmailAndPassword(user.email, user.password)
.then(data => {
return data.user.getIdToken();
})
.then(token => {
return res.status(200).json({ token });
})
.catch(err => {
console.error(err);
if (
err.code === "auth/user-not-found" ||
err.code === "auth/invalid-email" ||
err.code === "auth/wrong-password"
) {
return res
.status(403)
.json({ general: "Invalid credentials. Please try again." });
}
return res.status(500).json({ error: err.code });
});
}
};
//Deletes user account
exports.deleteUser = (req, res) => {
var currentUser;
firebase.auth().onAuthStateChanged(function(user) {
currentUser = user;
if (currentUser) {
var post_query = db
.collection("posts")
.where("userHandle", "==", req.user.handle);
post_query
.get()
.then(function(myPosts) {
myPosts.forEach(function(doc) {
doc.ref.delete();
});
return;
})
.then(function() {
res
.status(200)
.send("Successfully removed all user's posts from database.");
return;
})
.catch(function(err) {
res
.status(500)
.send("Failed to remove all user's posts from database.", err);
});
db.collection("users")
.doc(`${req.user.handle}`)
.delete()
.then(function() {
res.status(200).send("Sucessfully removed user from database.");
return;
})
.catch(function(err) {
res.status(500).send("Failed to remove user from database.", err);
});
currentUser
.delete()
.then(function() {
console.log("Successfully deleted user.");
res.status(200).send("Sucessfully deleted user.");
return;
})
.catch(function(err) {
console.log("Failed to delete user.", err);
res.status(500).send("Failed to delete user.");
});
} else {
console.log("Failed to deleter user or cannot get user.");
res.status(500).send("Failed to deleter user or cannot get user.");
}
});
};
// Returns all data in the database for the user who is currently signed in
exports.getProfileInfo = (req, res) => {
db.collection("users")
.doc(req.user.handle)
.get()
.then(data => {
return res.status(200).json(data.data());
})
.catch(err => {
console.error(err);
return res.status(500).json(err);
});
};
// Updates the data in the database of the user who is currently logged in
exports.updateProfileInfo = (req, res) => {
// Data validation
const { valid, errors, profileData } = validateUpdateProfileInfo(req);
if (!valid) return res.status(400).json(errors);
// Update the database entry for this user
db.collection("users")
.doc(req.user.handle)
.set(profileData, { merge: true })
.then(() => {
console.log(`${req.user.handle}'s profile info has been updated.`);
return res.status(201).json({
general: `${req.user.handle}'s profile info has been updated.`
});
})
.catch(err => {
console.error(err);
return res.status(500).json({
error: "Error updating profile data"
});
});
};
exports.getUserDetails = (req, res) => {
let userData = {};
db.doc(`/users/${req.body.handle}`)
.get()
.then(doc => {
if (doc.exists) {
userData = doc.data();
return res.status(200).json({ userData });
} else {
return res.status(400).json({ error: "User not found." });
}
})
.catch(err => {
console.error(err);
return res.status(500).json({ error: err.code });
});
};
exports.getAuthenticatedUser = (req, res) => {
let credentials = {};
db.doc(`/users/${req.user.handle}`)
.get()
.then(doc => {
if (doc.exists) {
credentials = doc.data();
return res.status(200).json({ credentials });
} else {
return res.status(400).json({ error: "User not found." });
}
})
.catch(err => {
console.error(err);
return res.status(500).json({ error: err.code });
});
};
exports.getUserHandles = (req, res) => {
admin
.firestore()
.collection("users")
.get()
.then(data => {
let users = [];
data.forEach(function(doc) {
users.push(doc.data().handle);
});
return res.status(200).json(users);
})
.catch(err => {
console.error(err);
return res.status(500).json({ error: "Failed to get all user handles." });
});
};