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All right.

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Up next, let's work on update user functionality.

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And this one is going to be extremely similar to update job.

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However, we're not looking for the ID in req.params.

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It's actually going to be available in rec, dot user user ID and also we won't send back the.

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Updated user essentially in order to check the changes.

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We'll call get current user, which gets the current user because that's how our front end is going

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to work.

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So let's try it out.

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I'm going to go to user controller.

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We're looking for this one over here.

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And essentially let's go with const updated.

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User.

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That is going to be equal to a.

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Then user find by ID and update and let's pass in req dot user, user id, comma and then rec dot body.

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So essentially this is where we'll provide all of the values.

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And again, we're not going to be sending back this updated user.

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So in order to check the changes, we will use get current user and also in the Readme, we added Json.

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So that way you can speed this up a little bit as far as providing the values in the body.

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So now let's go to update user request and like I said, I'm just going to copy and paste.

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I believe I'm changing here the location from my city to Florida.

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So let me send if everything is correct.

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We can move on to the next step where we want to get the current user.

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So this is basically, John, before we updated the user and once I send it, notice now the location

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is Florida and everything is awesome, but there is a major piece missing and that is validation because

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keep in mind, just like when we registered the user, also when we update, we want to make sure that

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the values that are coming in are exactly what we're expecting.

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So now let's quickly navigate to validation middleware and let's create a new one.

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Now the good news is that we already have validation for register and most of the stuff is going to

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be exactly the same.

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So first we just want to come up with the value and let's go here with Validate and I'm going to call

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this update user input.

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Remember, we want to invoke our function.

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And as far as the values, let's just scroll up.

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We're looking for a registered one.

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Let's grab all of these.

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Lines of code, copy and paste.

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So the only thing we're going to change here is the logic for email.

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We'll use a different approach.

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And also, when it comes to a password, we're actually not going to check it.

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So for now, we have location, last name, also name and email.

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So all of this stays the same.

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The only thing we'll change is the custom one.

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And as far as the logic, this line will stay exactly the same.

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But here in the condition, we'll add some logic.

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Basically, I'm going to go with and then I'll look for user underscore ID, Then I'll transfer this

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one to string and then I'll say if it's not equal to req dot user user ID.

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Now, why do we need to add this line of code?

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Well, because remember, this deals with that unique email.

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Correct.

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And of course, if I'm sending in John at gmail.com, if I'll just check whether a user exists based

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on this email, of course it's going to be a user.

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It's me.

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So with this line of code, we're just making sure that user exists.

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But the user is not us.

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So essentially, if I'm sending in some kind of email address, I'm checking for other users and whether

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they are not already using this email address.

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Hopefully that makes sense.

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So this stays the same.

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Again, we'll send back the error.

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We just want to quickly jump to a router, I believe.

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So let's go to user router and we want to add here this validate.

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So right before the update user, we're going to go with validate, update user input.

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And now let's try it out.

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So I'm going to navigate to update user.

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And you know what?

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Let's go with.

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No last name.

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So let me remove it here.

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Let me send a notice.

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Last name is required.

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Now, please keep in mind that again, on the front end, everything is going to be set up where we

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are sending these values.

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We just have validations in place so we get the correct ones.

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And for example, if I'm going to go here with Peter at gmail.com, I'm going to get back the bad request.

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Why?

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Well, because peter@gmail.com is already used by another user.

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That's why we added that additional logic over here.

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However, if I go with John, of course the user already exists, but that user is me.

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So of course that is allowed.

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And the last thing that I want to do.

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As far as the user controller, I just want to remove from the body the password since I don't have

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any validation and I don't want the user to update password with this particular controller.

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How we can do that?

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Well, first we need to come up with some kind of value.

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In my case, again, I'm going to go with Object over here.

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Then we will spread out all of the properties we have in Req.body.

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So we're going to go with dot, dot, dot then req dot body.

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And then let's go with object.

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And remember the keyword was delete.

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So pretty much just like we did over here.

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When we were setting up that instance.

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One.

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I just want to remove this property just in case it's being passed.

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So let's go with password just in case it exists.

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And then instead of req.body.

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We're just going to pass in the object over here.

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So that's the last thing that I want to actually check it out.

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Let me log what I have as far as the object.

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And let me add here this password.

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So we're going to go here with password and let's set it equal to secret.

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We also need to add a comma.

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Let me send it over here.

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And then if everything is correct, notice we don't have this password.

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So essentially, we just make sure that the password value doesn't get added to our.

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Update user functionality.

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And with this in place, we can move on to the next step.