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Now that we have the user class, we can go ahead and use user, so let's import user here, which is

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our models.

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So instead of models.

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And not the user that we get from Firestorm.

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It's important that we use the right one here.

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So now what I want to do is I want to register the user right in this function, but what we need,

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therefore, is our M store collection.

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So I'm going to create a new collection, which is going to be called users.

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OK, so it's going to be something like this or something like this.

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But the thing is, I'm using a magic string here.

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That's something that I shouldn't do.

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I think it's better if I go ahead and create a new.

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Class, which will be or new file, which will be Constance.

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This will just be a constant object.

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Which will for now just have one constant contact, all users string, which will be users.

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All right, so now we can use this constant that we prepared.

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So Constance thought user or users.

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So this is just a cold way to do the same thing as if we just created a new collection here, which

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is called Users.

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OK, so here, creating a collection or start collection, and we called this one, for example, users,

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and then we click next and now it becomes interesting because the document ID and all of the different

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fields, that's what we do next in the code.

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So we know go ahead and create a document, right, so that document.

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And here we need to get the current user ID, so we want to create a new document for every single user

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that we have because we want to store details about every single user.

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Right.

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So it would be good if we could get the user ID, which is this unique user I.D. So how do we get that?

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Well, we need to function for that.

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So let's create a new function, which is just going to give us the current user ID, get current user

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I.D., which will return a string, which then will simply return firebase of.

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Firebase Horth, get instant's current user.

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You ID.

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OK, so that will give us, as to current users, unique ID, which is.

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This year, you ID this one here, so it's going to give us this one and we want to use that as the

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document inside of our collection.

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So we'll create a new collection, which we call users.

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Then we have a new document which is going to be called this weird number or this weird add value that

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we just saw for every single user.

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So every user will have his own collection or the collection, but every user will have his own document.

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OK, so we have collections in collections, we have documents and then we have all of those fields

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and the fields will be the one that we have in our user class, which is ID, name, email, image for

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mobile and so forth.

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So we don't want to create all of that stuff manually, but we want to do it in a code.

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That's exactly what we do now.

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So now let's go ahead and pass in the user, the current user, so get current user ID, then we want

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to set the user info to be set options Merche.

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So it's going to merge the user info, whatever user info is passed to us.

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And then we need to finally add in on success listener, so did it work, Ed, on success a listener

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and if it did work, well, then we want to execute some code.

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So we want to run the activity that is passed to this function, this registered user function, which

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is to sign up activity.

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And we dare want to call the user registered.

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Success, so user registered success.

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So it doesn't exist, so let's go over to the sign up activity and created.

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For now, it's just going to be a new function user registered.

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Success, which will show a toast, so let's see if we find a toast somewhere.

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I'm just going to use this toast here and actually I want to do the same thing as I did here.

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So where is it?

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It's up here, so let's write this little toast without the name and the email you have successfully

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registered.

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Something like that.

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And here.

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We should also highlight the progress bar, so hide.

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Progress.

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Thilak.

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So here, make tax, something is wrong with make text.

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It still needs the length here.

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So that's because I forgot to add a little quotation mark here.

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So hi, progress dialogue at that point and then lock the user out.

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By the way, if we now used to hide progress, dialogue, function here, we won't need it anymore in

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our registered user because we also did that somewhere in here.

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And that is right here, so we won't need it here anymore.

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And now at that point, we need to make sure that when we are registering a user that we call the fast

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or class function, which is called registry user.

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So the thing is, we're registering the user on two levels.

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Right.

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So one is we actually create the new authentication entry for him.

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And the other one is that we create a new entry in the collection of users, which is a new documentation

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or a document.

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Right.

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And this will is a little abstract still, but it will make a lot more sense once we actually run the

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code and we see what it does with our entry in the fire store database.

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OK, so at this point, there's one little thing left to do.

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And that is to get rid of this toast here.

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We won't need it anymore in here and we also don't need to sign out here anymore.

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But what we want to do is we want to create a new user.

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Right.

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So here we just go ahead and say what user is going to be a new user, which is going to be a firebase

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user?

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Thought you I.D. is what are we going to pass there?

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We passed a name and we passed a registered email.

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OK, so let's go ahead and import user.

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This time it's also our models here.

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So we'll create this new user object and now we can pass that user object to our first class function,

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which is this registered user.

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So we need to pass on an activity which is going to be this, and then we pass in the user, which is

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the user that we just created in our sign up activity.

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So now we can go ahead and say fires to class, dot register user.

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And here we pass on this and we pass in our register or our user that we prepare.

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And then, of course, I need the brackets here because I'm not using a first class object.

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I'm using the actual class here.

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So I need the brackets in order to call its function.

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All right.

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So at this point, let's test our application and see if it's going to do what we need from it.

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And by the way, while it's loading, let's go to authentication and get rid of those two users, because

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those two day would cause problems later on.

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Because otherwise, well, we will try to access their information as users, but they don't exist,

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right, because we changed everything.

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So they just didn't exist in the database to exist in the authentication, but they don't exist in the

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database.

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So if we want to access anything from the database, that would cause problems.

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All right, and at that point, we can test it, there's only one little thing that I noticed when I

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ran into an issue testing it, and it's not really the code itself.

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The code is fine as it is now.

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There's just one duplicate that I have here, which is activity finish, which I run here once again

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in the Firestone class, even though it's necessary because an user registered success, we already

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run finish.

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Okay, so it's not really necessary also when testing it.

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And by the way, now it works.

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So the code is fine and I had to test it on another machine in order to make sure that the code is fine.

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But it still didn't work for me.

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So registering the user did work for me, but creating the collection for some reason didn't work.

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So what I needed to do is I needed to restart my computer and then run it again and then it worked.

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So if you have the problem that it doesn't work for you, then just try to do these kind of things,

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such as restarting your computer or closing Android studio and opening it up again, or even deleting

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the different folders that are inside of this project folder.

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So the build cradle an idea and also the build folder in here, you could delete them and then run the

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application again.

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I'm telling you this, because this issue, which is super funny, it didn't happen on other machines,

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but for me it did.

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That's why I wanted to talk about it real quick so that, you know, if something like that happens,

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that sometimes it's not the code, sometimes it's some unknown force.

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That's how I'm going to call it, because I have no idea where it comes from sometimes.

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All right.

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So let's sign sign up now.

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Therefore, I go here, I create a new user, and by the way, I deleted all the other ones, as you

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have seen, and now let's add this user here.

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And sign up, please wait, and you've successfully registered.

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So now let's go back to the authentication.

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And just refresh the page just to see if we have new users.

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And we can see we have them, of course, I could have pressed reload button that probably would have

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been faster and done in the database.

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Let's see if we have something in Project Manaj.

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We have this collection called Users.

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Then we have the user with this unique ID and we have all of this information.

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So we have this email system token nothing yet.

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ID Yes.

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Image nothing.

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Amabel zero a name doneness.

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All right.

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So it worked.

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We have passed an object into our database has fields I guess so we have this object.

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Is this the object, the user object.

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And these are all of the features of the user object.

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So all of the variables that the user class has and all of the details that we have with it.

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All right.

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So now you know how to create a collection, how to add a value in there and store data inside of the

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database.

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And we will, of course, have to check how to retrieve the data and we will work with all of those

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things in the next video.

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So see you there.