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from flask import (
Blueprint, flash, g, redirect, render_template, request, url_for
)
from werkzeug.exceptions import abort
from .auth import login_required
from .models import Item
bp = Blueprint('items', __name__)
def get_item(id):
try:
item = Item.objects.get_or_404(id=id)
except Exception as exc:
print("Error getting item:", exc)
abort(404)
if item.seller == g.user:
return item
abort(403)
@bp.route('/')
def index():
items = Item.objects.all()
return render_template('items/index.html',
items=items
)
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@bp.route('/sell', methods=('GET', 'POST'))
@login_required
def sell():
if request.method == 'POST':
title = request.form['title']
description = request.form['description']
starting_bid = int(request.form['starting_bid'])
error = None
if not title:
error = 'Title is required.'
if not starting_bid or starting_bid < 1:
error = 'Starting bid must be greater than 0.'
if error is None:
try:
item = Item(
title=title,
description=description,
starting_bid=starting_bid,
seller=g.user,
closes_at=datetime.utcnow() + timedelta(days=1)
)
item.save()
except Exception as exc:
error = f"Error creating item: {exc!s}"
else:
return redirect(url_for('items.index'))
print(error)
flash(error)
return render_template('items/sell.html')
@bp.route('/item/<id>/update', methods=('GET', 'POST'))
@login_required
def update(id):
item = get_item(id)
if request.method == 'POST':
title = request.form['title']
description = request.form['description']
error = None
if not title:
error = 'Title is required.'
try:
item.title = title
item.description = description
item.save()
except Exception as exc:
error = f"Error updating item: {exc!s}"
else:
flash("Item updated successfully!")
return redirect(url_for('items.index'))
print(error)
flash(error)
return render_template('items/update.html', item=item)
@bp.route('/item/<id>/delete', methods=('POST',))
@login_required
def delete(id):
item = get_item(id)
try:
item.delete()
except Exception as exc:
error = f"Error deleting item: {exc!s}"
print(error)
flash(error)
else:
flash("Item deleted successfully!")
return redirect(url_for('items.index'))