This quick project was an exercise to parse PDF documents and store the parsed result in a database.
The entry file is app.js. It connects to the database, creates a server and uses the appropriate middleware such as fileUpload (see below), CORS and Json.
In order to use the data from uploaded files (files uploaded in the browser), we use the package express-fileupload. The file uploaded is then available on req.files.
A POST request to /add will parse the file and post the result to the database. The parse function (helper) uses the pdf-parse package to return a Js object that will be inserted in the database.
Calling the pdfParse function (the pdf-parse package), it outputs a buffer. We can read the data on the 'text' property (data.text) inside the promise. This property outputs a string that we can format.
In the case of this exercise, we need to remove the repeated white spaces that might be at the beginning of a line, split at the new line and add ;. We then convert the output string to an object and convert it to lower case.