WEBVTT

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Heart, everyone.

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In this video, let's create a service for Mac Send request.

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Okay, so right now let me build up inside the frame service.

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Inside the create method.

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Okay.

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Let me we can change the name into the send friend request.

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But I think I will give it will be the create right here.

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Well we need to put the some parameter.

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The first will be current user okay.

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And the second one will be the receivers.

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Uh, Eddie?

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Right.

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Uh, this is the.

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Let me say the sender.

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The sender is the current user.

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And receiver will be, uh, will be stuck right here.

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Let me and let me show you how it can be passed then on the controller.

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In here, we have a create method.

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Right.

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I will change the name of the method a little bit.

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We will send.

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Write request.

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Okay.

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Send friend request.

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And we don't need any detail right now with a current user.

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And now we need the one more param.

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We will.

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Receive our array.

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Over here.

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Right.

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And right here.

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We need to make sure this is a valid.

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Object array.

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Okay.

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And we need to change the URL a bit.

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Firstly let's change the controller into the frames.

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And what it will have a URL like this frame slash

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Or.

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And.

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This is okay.

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This will be something like that.

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So for this guy I will put a request and slot receiver array.

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Okay.

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Something like that.

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And inside the create method let write logic okay.

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Let me say firstly we want to store the receiver user okay.

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In the prevent send a.

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Request to yourself.

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And prevent duplicate.

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The same way.

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The same rate.

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Okay.

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We will talk about us.

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Right?

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We want to make sure is a useful asset.

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We need to ensure that our user service.

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Right.

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We need to inject us.

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Uh, for a reason.

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This guy is a different module.

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We need to import.

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The user module.

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And activities that a user module we already explored.

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Okay.

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And after that go back to the here And let me copy something.

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Inside the reaction reactions of it.

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Let me copy some constructor because I'm.

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I'm not memorized us.

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Right.

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Request.

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One.

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Request.

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Model.

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Right.

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Request.

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Okay.

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And we need to inject the users.

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Sorry.

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Okay.

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And let me find.

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User submitted file one and would receive it over here.

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Now let's let's say instead of file one right here.

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We already checked right here.

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Right.

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So we we don't need to check over here also.

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Let's see.

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And we need to prevent send request to yourself.

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So what I will do it if the current user.id equal with receiver ID over here we will throw new request

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exception.

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Cannot send a

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Run.

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Request to your.

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Staff.

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Over here.

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Right here.

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We can take a look at the receiver.

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Right here.

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Or receiver over here.

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Okay.

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Dot.

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toString.

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It's totally the same.

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And after we reach out over here, we need to prevent the duplicate.

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Okay.

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So for that we will find the existing.

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Uh, write.

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Request.

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Okay.

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We need to find existing friend request this dot request.

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Model the file one.

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Right.

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We need to find the.

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Sender.

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We will call the user.

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Oh, sorry.

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Now let's go and receiver.

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And ask.

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Okay.

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If we already have an existing request we need to throw the error.

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So.

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The send request.

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Already said.

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Something like that.

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And after we are done with this thing we did so quickly.

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That's right.

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Now we need to move some stuff over here.

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But as.

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You.

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Progress over until the last and after we already have a friend request we to return friend request

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not save.

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Okay, so that's for the friend request over here.

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Let me test that.

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Okay, now I will duplicate entire authentication.

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Hello.

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And change the folder to friend.

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Move it over here and change it to send friend request.

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And delete the sign over here.

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And let me say.

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I will log in with this account.

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And, uh.

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Right here, right here.

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You can say when I sign, I will go to this type.

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Right.

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And, uh, request.

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And receive.

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Right.

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Here.

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And what is the receiver ID?

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Let let me slide over here.

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When we find one we already checked its update will be true, right?

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So for that reason, in this case we go back to the database, go back to the users.

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Okay.

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And let change is active right here.

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So true.

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Okay.

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But what about if I not uh, Gentle Joe, let's say if I send right here, we don't have anybody.

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Right.

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Let's say user does not exist, right?

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So for that reason, from here, I will check back to Joe's and update.

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Okay.

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After us, let's make let's say we have our internal server error.

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Let me double check.

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Cannot read property Only provide a current user.

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Okay.

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The reason?

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Because I forgot this authentication rule.

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Okay.

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So in order to use the current user Maxwell, we use your first.

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Last May set.

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However here we already set which sender receiver and some state dot over here.

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Okay.

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So with the pending let me double check the friend request.

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Okay.

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So it already, uh, work.

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And I think that will be enough for the video.

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And I will see you in the next one.