flask_crud_app/routes/create.py

from flask import Blueprint, request, render_template, redirect
from definitions.models import Asset, db
from config import item_attributes
from sqlalchemy import exc  # Import exc for database exceptions

addasset_bp = Blueprint('addasset', __name__)

@addasset_bp.route('/create/', methods=['GET', 'POST'])
def create():
    if request.method == 'GET':
        # Render the "add item" form
        return render_template('create.html', item_attributes=item_attributes)

    # Process submitted form
    if request.method == 'POST':
        # Get data from form
        form_data = {attrib: request.form[attrib] for attrib in item_attributes}
        try:
            primary_attr = next((attrib_name for attrib_name, attrib in item_attributes.items() if attrib.primary), None)
        except ValueError:
            return render_template('create.html', item_attributes=item_attributes, exc=primary_attr)

        item = Asset(**form_data)

        try:
            db.session.add(item)
            db.session.commit()
        except exc.IntegrityError:
            return render_template('create.html', item_attributes=item_attributes, exc='integrity')
        except exc.StatementError:
            return render_template('create.html', item_attributes=item_attributes, exc='status')

        return redirect('/viewall')