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Wonderful.

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I think our local upload functionality works really well, but before we start tackling Cloud9, let's

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add some checks in our controller where I want to check if the image exists.

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So if the user is actually sending a file, if the file of users is an image file.

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And lastly, make sure that the size of the file is not bigger than specified and we're going to start

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by importing the errors.

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So the main error from the IRS, because if the check fails, then we're sending back the bad request

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response.

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So let's start over here.

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And unlike the previous project where I was the structuring of the errors, where I said, yep, I like

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to get the bad request, one or not found one in this case, I'm just going to get the entire object

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and then we'll use the dot to get the specific one.

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It's really up to you.

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If you want to use the structure method, you can definitely do so.

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In my case, for this project and probably for the remaining project, I'll just switch around and I'll

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get the entire object and then I'll specifically look for one of these options in the controller.

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And if this is blurry, you'll see that the second basically I want to come up with some kind of variable.

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In this case, I'm going to go with custom error and that is equal to require.

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And we're looking in the errors.

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So let me check over here errors.

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And then since I have the index, I don't have to specify anything.

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OK, awesome.

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And then let's start here by checking if the file exists now, how we can do that?

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Well, if we're going to log our files and if we go back here and just try to send something, we should

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see this object correct.

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But if the user is going to send a request without the file, then this one will be undefined.

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Basically, it's going to be empty.

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And the way we can check that, we can simply say if and will go with not.

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So if that Iraq files doesn't exist, then let's throw a customer.

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So let's just say here, throw new and we're looking for custom.

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And then like I said, since I'm getting the entire object, I'm just going to use the DOT syntax where

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I'm going to look for bad request error.

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I will say no file, upload it.

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And the way I'm going to do that in this video, I'll set up all the checks and then one by one will

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test them out in the postman.

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Otherwise, I think that she's going to be too much screen switching.

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So let's take a look at the terminal now and next.

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I want to check the format.

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And if I take a look at the image object in there, bunch of useful properties and the one that I'm

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looking for is the Monotype.

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And essentially I just want to check whether user is sending the image.

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So let me go below product image and I'll send in between the videos I just switched from to no big

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deal.

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I think I did it by mistake to begin with, so I just switched it back to const and then here.

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Let's go with Jeff and again will say, if not so, we're looking for product image, mime type, and

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then we'll use the starts with, which is just vanilla dress property that we can use on a string and

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also image.

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So if the mime type does not start with an image, what are we gonna do?

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Yep.

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You guessed that we want to send back the R and this case will say, please upload an image, let's

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it.

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And lastly, let's check for size, where essentially if we take a look at the image property monitors

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the size, the size is invite's and I'll start very small.

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I'll go with one km.

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But of course eventually I'll change that around to something more realistic.

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But just so we fail, I'm going to go with one Kalabi.

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And the way we do that, I mean, we don't have to come up with a variable.

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We can actually set it up in the entry as well if you want that max size.

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But in my case, I'm going to do it over here.

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I'll say max size is equal.

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And like I said, it's not very drastic with just one kilobyte and another check.

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I'll say if product image size is bigger than the max, then what are we do we send back the response.

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And in this case, let's just say please upload image.

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Emerge smaller.

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Smaller than and I think I'm going to go with one kilobyte, correct, so let's save it over here and

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then swing back to the postman removed from still locking up.

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I don't need that log anymore.

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And let's just try simply by sending an empty request where there is no file.

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So save it over here and we can see that we have no file uploaded.

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So that works.

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Then I want to send the doc file.

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So let me look at the documents.

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I'm going to go with the work course outlines and I'm looking for stock components.

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One centered over here.

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Yep, I have.

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Please upload image.

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And lastly, since I have that drastic file size, even if I go with correct image and I think in this

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case I'm going to go with image number six, I'll still get the response beforehand where I'll see the

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please upload image smaller than one gigabyte.

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So let me change it around to one megabyte.

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So let me do it over here where I have a thousand multiplied by one thousand twenty four.

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And now if I send the image, everything should be correct where I can see the path of uploads and whatever

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is the filename.

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And that's how we can set up a basic file upload on the server using the package by the name of Xpress

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file upload.