gantrim

 getUserProfileImageUrl() {
     if (this.user && this.user.profileImagePath) {
         this.storageRef.child(`users/${this.user.id + '/' + this.user.profileImagePath}`).getDownloadURL()
             .then(url => {
                 this.profileImageUrl = url;
             });
     }
 }

gantrim

/**
 * Save user to Firestore
 * If a profileImageFile was uploaded, save that to the Storage reference
 */
saveUser() {
    if (this.profileImageFile) {
        this.uploadTask = this.storageRef.child(`users/${this.user.id + '/' + this.filePath}`).put(this.profileImageFile);

        this.uploadTask.on('state_changed', (snapshot) => {
            const progress = (snapshot.bytesTransferred / snapshot.totalBytes) * 100;

gantrim

this.userRef = this.db.collection('users').doc(firebase.auth().currentUser.uid);

this.userRef.onSnapshot(doc => {
    this.user = { ...doc.data(),
        id: doc.id
    };

    // Get the image url whenever the user changes.
    this.getUserProfileImageUrl();
});

gantrim

postView(breweryId) {
    this.http.post('your-uri', {
            breweryId: breweryId
        })
        .subscribe((data: any) => {
            console.log(`You are viewer number ${data.views}`);
        });
}

gantrim

expressApp.post('/brewery-viewed', (req, res) => {
    const breweryId = req.body.breweryId;
    const docRef = admin.firestore().collection('breweries').doc(breweryId);

    return docRef.get()
        .then(doc => {
            const brewery = doc.data();
            const views = brewery.views ? brewery.views + 1 : 1;
            docRef.update({
                views: views

gantrim

module.exports.deleteUserReview = function(snapshot, context) {
    const reviewId = context.params.reviewId;
    const deletedReview = snapshot.data();
    const deleteBatch = admin.firestore().batch();

    const breweryReviewDocRef = admin.firestore()
        .collection('breweries')
        .doc(deletedReview.breweryId)
        .collection('reviews')
        .doc(reviewId);

gantrim

module.exports.deleteBreweryReview = function(snapshot, context) {
    const reviewId = context.params.reviewId;
    const deletedReview = snapshot.data();
    const userReviewDocRef = admin.firestore()
        .collection('users')
        .doc(deletedReview.uid)
        .collection('reviews')
        .doc(reviewId);

    return userReviewDocRef.delete()

gantrim

module.exports.updateUserReview = function(change, context) {
    const reviewId = context.params.reviewId;
    const previousValue = change.before.data();
    const newValue = change.after.data();

    const docRef = admin.firestore().collection('breweries').doc(newValue.breweryId);
    updateReview(docRef, newValue, previousValue, reviewId);
}

gantrim

function aggregateRatings(breweryId) {
    const docRef = admin.firestore().collection('breweries').doc(breweryId);

    return docRef.collection('reviews').get()
        .then(querySnapshot => {
            const numberReviews = querySnapshot.size;
            const totalRating = querySnapshot.docs.map(doc => doc.data().rating)
                .reduce((rating, total) => rating + total, 0);
            const averageRating = (totalRating / numberReviews).toFixed(2);
            return docRef.update({

gantrim

function updateReview(docRefToUpdate, newValue, previousValue, reviewId) {
    if (checkReviewChanged(newValue, previousValue)) {
        docRefToUpdate.collection('reviews').doc(reviewId).set(newValue);
    }
    else {
        return null;
    }


    if (newValue && previousValue && newValue.rating === previousValue.rating) {