def adopt_puppy(puppy_id):
"""Function to return a page to adopt a puppy.
Args:
puppy_id: ID of the puppy to adopt.
"""
puppy = db_session.query(Puppy)\
.filter_by(puppy_id=puppy_id).first()
if not puppy:
return render_template('404.html', headline_text='Puppy Not Found!')
if request.method == 'POST':
# Remove shelter_id and shelter from Puppy object, and add owner.
# Update Shelter's occupancy. Commit both objects to DB session.
shelter = db_session.query(Shelter)\
.filter_by(shelter_id=puppy.shelter_id).first()
if not shelter:
return render_template('404.html', headline_text='Shelter Not Found!')
puppy.owner = request.form['name']
puppy.shelter_id = ''
puppy.shelter = None
shelter.current_occupancy = shelter.current_occupancy - 1
db_session.add_all([puppy, shelter])
db_session.commit()
flash("{} has been adopted!".format(puppy.name))
return redirect(url_for('puppy_info', puppy_id=puppy_id))
else:
return render_template('adopt_puppy.html', puppy=puppy, shelter=puppy.shelter)
def edit_puppy(puppy_id):
"""Function to return a page to edit a puppy.
Args:
puppy_id: ID of the puppy to edit.
"""
puppy = db_session.query(Puppy)\
.filter_by(puppy_id=puppy_id).first()
if not puppy:
return render_template('404.html', headline_text='Puppy Not Found!')
# Get all available shelters. This is used in the template for
# populating the dropdown list of available shelters that have
# capacity available.
shelters = db_session.query(Shelter)\
.filter(Shelter.current_occupancy < Shelter.maximum_capacity).all()
if request.method == 'POST':
puppy.name = request.form['name']
puppy.picture = request.form['picture']
puppy.gender = request.form['gender']
puppy.weight = request.form['weight']
# The same form is used, but depending on the adoption status,
# it will sometimes have shelter_id info, and sometimes not.
if 'original_shelter_id' in request.form:
original_shelter_id = request.form['original_shelter_id']
shelter_id = request.form['shelter_id']
# If form shelter id doesn't match puppy's original shelter id,
# update both the shelter's and original shelter's occupancy.
if shelter_id != original_shelter_id:
puppy.shelter_id = shelter_id
shelter = db_session.query(Shelter)\
.filter_by(shelter_id=shelter_id).first()
original_shelter = db_session.query(Shelter)\
.filter_by(shelter_id=original_shelter_id).first()
if not shelter or not original_shelter:
return render_template('404.html', headline_text='Shelter Not Found!')
shelter.current_occupancy = shelter.current_occupancy + 1
original_shelter.current_occupancy = original_shelter.current_occupancy - 1
db_session.add_all([shelter, original_shelter])
db_session.commit()
else:
puppy.owner = request.form['owner']
db_session.add(puppy)
db_session.commit()
flash("{} updated!".format(puppy.name))
return redirect(url_for('puppy_info', puppy_id=puppy_id))
else:
return render_template('edit_puppy.html', puppy=puppy,
shelter=puppy.shelter, shelters=shelters)