onSavePost() {
    const title = this.postForm.get('title').value;
    const description = this.postForm.get('description').value;

    const arrayPath = this.postForm.get('post').value.split("\\"); // arrayPath[2] is our post's name ;)
    console.log(arrayPath);

    //var postUrl = 'empty';
    const storageRef = firebase.storage().ref();
    console.log(storageRef);
    const postRef = storageRef.child('/posts/' + arrayPath[2]);
    console.log(postRef);

    postRef.getDownloadURL().then( (url) => {
      this.postUrl = url.toString();
      console.log(this.postUrl);
      this.newPost = new Post(title,this.postUrl,0,0,[],description);
      this.currentArtistId = this.route.snapshot.params['id']; // get the Id of the artist that I'm looking at
      this.postService.createNewPost(this.newPost,this.currentArtistId); // create the new post under the current artist
      this.router.navigate(['/artists',this.currentArtistId,'posts']);

    }).catch(function (error) {
        // Handle any errors
         console.log("error in getting download url.." + error);
       });
  }