from flask import Flask, request
from flask_restx import Resource, Api, Namespace, fields
from werkzeug.datastructures import FileStorage


app = Flask(__name__)
api = Api(app)

ns = Namespace(name="Upload files", path='/')

file_upload_parser = ns.parser()
file_upload_parser.add_argument(
    'files[]', 
    location='files', 
    type=FileStorage, 
    required=True, 
    action="append",
    help="Upload some files"
)

upload_files_model = ns.model("files", {
    'Files uploaded': fields.Integer
})


@ns.route('/upload-files')    
@ns.expect(file_upload_parser)
@ns.response(code=200, description="Number of files uploaded", model=upload_files_model)
class UploadFiles(Resource):
    
    def post(self):
        
        files = request.files.getlist("files[]")
        
        print("List of files", files, request.files)
        
        return {'Files uploaded': len(files)}





api.add_namespace(ns)


if __name__ == '__main__':
    app.run(debug=True)