Basic file route
The first steps for managing files.
Let's go back to the ProductsController
and add a new route, responsible for uploading an image
of a product. The files section has many nuances, so let's proceed slowly so that we don't get lost in the process. We'll begin by creating a very simple route, and gradually add to its structure.
We now have a route for this purpose. Let's then allow a file upload. To extract files in the route, the process is a bit similar to extracting path/query params. First, we should use the FileInterceptor
, which has as parameter the name of the field that contains the file.
Then, pass as argument to the route handler, the decorator @UploadedFile()
, which will actually extract the file. We also use the types package installed previously to type the file.
And we're done. We may even return the file to see its fields, obtaining the following result:
Commit - Using multer to extract files
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