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users.js
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users.js
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const { admin, db } = require("../util/admin");
const config = require("../util/config");
const { uuid } = require("uuidv4");
const firebase = require("firebase");
firebase.initializeApp(config);
const {
validateSignupData,
validateLoginData,
reduceUserDetails,
} = require("../util/validators");
// Sign users up
exports.signup = (req, res) => {
const newUser = {
email: req.body.email,
password: req.body.password,
confirmPassword: req.body.confirmPassword,
handle: req.body.handle,
};
const { valid, errors } = validateSignupData(newUser);
if (!valid) return res.status(400).json(errors);
const noImg = "no-img.png";
let token, userId;
db.doc(`/users/${newUser.handle}`)
.get()
.then((doc) => {
if (doc.exists) {
return res.status(400).json({ handle: "this handle is already taken" });
} else {
return firebase
.auth()
.createUserWithEmailAndPassword(newUser.email, newUser.password);
}
})
.then((data) => {
userId = data.user.uid;
return data.user.getIdToken();
})
.then((idToken) => {
token = idToken;
const userCredentials = {
handle: newUser.handle,
email: newUser.email,
createdAt: new Date().toISOString(),
//TODO Append token to imageUrl. Work around just add token from image in storage.
imageUrl: `https://firebasestorage.googleapis.com/v0/b/${config.storageBucket}/o/${noImg}?alt=media`,
userId,
};
return db.doc(`/users/${newUser.handle}`).set(userCredentials);
})
.then(() => {
return res.status(201).json({ token });
})
.catch((err) => {
console.error(err);
if (err.code === "auth/email-already-in-use") {
return res.status(400).json({ email: "Email is already is use" });
} else {
return res
.status(500)
.json({ general: "Something went wrong, please try again" });
}
});
};
// Log user in
exports.login = (req, res) => {
const user = {
email: req.body.email,
password: req.body.password,
};
const { valid, errors } = validateLoginData(user);
if (!valid) return res.status(400).json(errors);
firebase
.auth()
.signInWithEmailAndPassword(user.email, user.password)
.then((data) => {
return data.user.getIdToken();
})
.then((token) => {
return res.json({ token });
})
.catch((err) => {
console.error(err);
// auth/wrong-password
// auth/user-not-user
return res
.status(403)
.json({ general: "Wrong credentials, please try again" });
});
};
// Add user details
exports.addUserDetails = (req, res) => {
let userDetails = reduceUserDetails(req.body);
db.doc(`/users/${req.user.handle}`)
.update(userDetails)
.then(() => {
return res.json({ message: "Details added successfully" });
})
.catch((err) => {
console.error(err);
return res.status(500).json({ error: err.code });
});
};
// Get any user's details
exports.getUserDetails = (req, res) => {
let userData = {};
db.doc(`/users/${req.params.handle}`)
.get()
.then((doc) => {
if (doc.exists) {
userData.user = doc.data();
return db
.collection("screams")
.where("userHandle", "==", req.params.handle)
.orderBy("createdAt", "desc")
.get();
} else {
return res.status(404).json({ errror: "User not found" });
}
})
.then((data) => {
userData.screams = [];
data.forEach((doc) => {
userData.screams.push({
body: doc.data().body,
createdAt: doc.data().createdAt,
userHandle: doc.data().userHandle,
userImage: doc.data().userImage,
likeCount: doc.data().likeCount,
commentCount: doc.data().commentCount,
screamId: doc.id,
});
});
return res.json(userData);
})
.catch((err) => {
console.error(err);
return res.status(500).json({ error: err.code });
});
};
// Get own user details
exports.getAuthenticatedUser = (req, res) => {
let userData = {};
db.doc(`/users/${req.user.handle}`)
.get()
.then((doc) => {
if (doc.exists) {
userData.credentials = doc.data();
return db
.collection("likes")
.where("userHandle", "==", req.user.handle)
.get();
}
})
.then((data) => {
userData.likes = [];
data.forEach((doc) => {
userData.likes.push(doc.data());
});
return db
.collection("notifications")
.where("recipient", "==", req.user.handle)
.orderBy("createdAt", "desc")
.limit(10)
.get();
})
.then((data) => {
userData.notifications = [];
data.forEach((doc) => {
userData.notifications.push({
recipient: doc.data().recipient,
sender: doc.data().sender,
createdAt: doc.data().createdAt,
screamId: doc.data().screamId,
type: doc.data().type,
read: doc.data().read,
notificationId: doc.id,
});
});
return res.json(userData);
})
.catch((err) => {
console.error(err);
return res.status(500).json({ error: err.code });
});
};
// Upload a profile image for user
exports.uploadImage = (req, res) => {
const BusBoy = require("busboy");
const path = require("path");
const os = require("os");
const fs = require("fs");
const busboy = new BusBoy({ headers: req.headers });
let imageToBeUploaded = {};
let imageFileName;
// String for image token
let generatedToken = uuid();
busboy.on("file", (fieldname, file, filename, encoding, mimetype) => {
console.log(fieldname, file, filename, encoding, mimetype);
if (mimetype !== "image/jpeg" && mimetype !== "image/png") {
return res.status(400).json({ error: "Wrong file type submitted" });
}
// my.image.png => ['my', 'image', 'png']
const imageExtension = filename.split(".")[filename.split(".").length - 1];
// 32756238461724837.png
imageFileName = `${Math.round(
Math.random() * 1000000000000
).toString()}.${imageExtension}`;
const filepath = path.join(os.tmpdir(), imageFileName);
imageToBeUploaded = { filepath, mimetype };
file.pipe(fs.createWriteStream(filepath));
});
busboy.on("finish", () => {
admin
.storage()
.bucket()
.upload(imageToBeUploaded.filepath, {
resumable: false,
metadata: {
metadata: {
contentType: imageToBeUploaded.mimetype,
//Generate token to be appended to imageUrl
firebaseStorageDownloadTokens: generatedToken,
},
},
})
.then(() => {
// Append token to url
const imageUrl = `https://firebasestorage.googleapis.com/v0/b/${config.storageBucket}/o/${imageFileName}?alt=media&token=${generatedToken}`;
return db.doc(`/users/${req.user.handle}`).update({ imageUrl });
})
.then(() => {
return res.json({ message: "image uploaded successfully" });
})
.catch((err) => {
console.error(err);
return res.status(500).json({ error: "something went wrong" });
});
});
busboy.end(req.rawBody);
};
exports.markNotificationsRead = (req, res) => {
let batch = db.batch();
req.body.forEach((notificationId) => {
const notification = db.doc(`/notifications/${notificationId}`);
batch.update(notification, { read: true });
});
batch
.commit()
.then(() => {
return res.json({ message: "Notifications marked read" });
})
.catch((err) => {
console.error(err);
return res.status(500).json({ error: err.code });
});
};