def update_item(id):
"""Updates the requested item."""
if needs_login():
return redirect(url_for('oauth2callback'))
form = ItemForm(request.form)
item = models.Item.query.filter_by(id=id).first()
if not form.validate():
return render_template('edit_item.html', form=form, item=item)
# retain the old image path before populate_obj overwrites it with form
# data
old_image = item.image
form.populate_obj(item)
item.image = old_image
if form.image is not None:
image_data = request.files['image'].read()
if len(image_data) > 0:
# generate a random file name and save it to the image folder
filename = ''.join(random.choice(
string.ascii_uppercase + string.digits) for x in xrange(16))
ext = os.path.splitext(request.files['image'].filename)[1]
open(app.config['IMAGE_DIR'] +
filename + ext, 'w').write(image_data)
item.image = filename + ext
# if the user updates the image, delete the old one
if os.path.isfile(app.config['IMAGE_DIR'] + old_image):
os.remove(app.config['IMAGE_DIR'] + old_image)
db.session.add(item)
db.session.commit()
return render_template('generic.html',
title="Update Completed",
description="%s has been updated." % item.name,
redirect_to_index=True)
def item_edit(item_id):
"""
This creates a edits category only if the user is logged in
"""
if not logged_in():
flash('Please log in to edit items')
return redirect(url_for('category_list'))
item = Item.query.get(item_id)
user = get_current_user()
if item.user_id == user.id:
form = ItemForm(obj=item)
if form.validate_on_submit():
form.populate_obj(item)
db.session.add(item)
db.session.commit()
flash(item.title + ' updated successfully')
return redirect(
url_for('category_view', category_id=item.category_id))
return render_template('item_edit.html',
form=form,
category_id=item.category_id)
flash('You can not delete this Item its not created by you')
return redirect(url_for('category_view', category_id=item.category_id))
def edit_item(item):
u = User.query.get(session.get('uid', 0)) # User must exist
i = Item.query.filter_by(slug=item).first_or_404()
cats = Category.query.order_by(Category.name).all()
form = ItemForm(name=i.name,
description=i.description,
category_id=i.category_id)
form.category_id.choices = [(c.id, c.name) for c in cats]
if form.validate_on_submit():
if 'photos' in request.files:
photos = get_item_photo_list(i.id)
db.session.add_all(photos)
db.session.commit()
form.photos.data = ItemPhoto.query.filter_by(item_id=i.id).all()
form.populate_obj(i)
db.session.add(i)
db.session.commit()
c = i.category
return redirect(url_for('item', category=c.slug, item=i.slug))
return render_template('edit_item.html',
form=form,
user=u,
item=i,
categories=cats)
def editItem(category_name, item_title):
"""
editItem: form to edit a item
Args:
category_name (data type: str): category name to filter result
item_title (data type: str): item name to filter result
Returns:
return update a item and redirect to home or show form to edit a item
"""
if 'username' not in login_session:
return redirect(url_for('showLogin'))
try:
categories = session.query(Categories).order_by('name')
category = session.query(Categories)\
.filter_by(name=category_name).one()
if category is None:
flash('Error unable to retrive category')
return redirect(url_for('showHomepage'))
except Exception as error:
output = '<script>function myFunction(){'
output += 'alert("caught this error-cat: %s");}</script>'
output += '<body onload="myFunction()">' % (repr(error))
# return output
flash('Error cat')
return redirect(url_for('showHomepage'))
try:
item = session.query(Items).filter_by(title=item_title,
category_id=category.id).one()
if item is None:
flash('Error unable to retrive item')
return redirect(url_for('showHomepage'))
item = session.query(Items).filter_by(id=item.id).one()
except Exception as error:
output = '<script>function myFunction(){'
output += 'alert("caught this error-item: %s");}</script>'
output += '<body onload="myFunction()">' % (repr(error))
# return output
flash('Error item')
return redirect(url_for('showHomepage'))
try:
creator = getUserInfo(item.user_id)
form = ItemForm(obj=item)
form.category_id.choices = [(0, 'Select')]
form.category_id.choices += [(cat.id, cat.name) for
cat in categories]
print form.errors
"""
Validate form on submit
Gather user inputs and update the database
"""
if form.validate_on_submit():
form.populate_obj(item)
item.title = form.title.data
item.description = form.description.data
item.category_id = form.category_id.data
item.user_id = creator.id
session.add(item)
session.commit()
flash("Successfully updated item")
return redirect(url_for('showHomepage'))
return render_template('edititem.html',
form=form,
categories=categories,
category=category,
creator=creator,
login_session=login_session)
except Exception as error:
output = '<script>function myFunction(){'
output += 'alert("caught this error-2: %s");}</script>'
output += '<body onload="myFunction()">' % (repr(error))
# return output
flash('Error 2')
return redirect(url_for('showHomepage'))
