from flask_wtf import FlaskForm
from flask_wtf.file import FileAllowed, FileField
from wtforms import (
    SubmitField,
    validators,
)

class PdfUploadForm(FlaskForm):
    """Pdf upload form."""
    pdf = FileField(
        "Pdf of the book:",
        validators=[FileAllowed(["pdf"], "Only pdf uploads supported")],
    )
    submit = SubmitField("Submit")