def delete_course(id):
# Get course from db or 404
course = Course.get_or_404(id)
if request.method == 'POST':
course.delete()
flash('Course successfully deleted')
return redirect(url_for('view_all_courses'))
return render_template('delete_course.html', course=course)
def view_course_json(id):
# Get course from db, or 404
course = Course.get_or_404(id)
# Extract data needed for JSON
course_json = {
'id': course.id,
'name': course.name,
'url': course.url,
'school': course.school.name,
'category': course.category.name
}
return jsonify(course_json)
def edit_course(id):
# Get course from db or 404
course = Course.get_or_404(id)
# Start with no errors
errors = None
# Get categories and schools to populate dropdowns
categories = Category.get_all()
schools = School.get_all()
if request.method == 'POST':
fields = {
'name': request.form['name'],
'url': request.form['url'],
'school': request.form.get('school', ''),
'category': request.form.get('category', '')
}
# Validations that checks that no fields are blank
errors = check_no_blanks(fields=fields)
if not errors:
# Check that new course name does not exist already for this school
school_courses = School.get_by_id(fields['school']).courses
for school_course in school_courses:
# If name isn't changed, will exist so allow this
if school_course.name == fields['name'] and \
school_course.id != course.id:
errors['name_exists'] = True
if not errors:
course.edit(name=fields['name'],
url=fields['url'],
school_id=fields['school'],
category_id=fields['category'])
flash('Course edited')
return redirect(url_for('view_course', id=course.id))
# If it is not a POST request, populate input values from database
else:
fields = {
'name': course.name,
'url': course.url,
'school': course.school.id,
'category': course.category.id
}
return render_template('edit_course.html',
fields=fields,
errors=errors,
categories=categories,
schools=schools)
def view_course(id):
# Get course from db, or 404
course = Course.get_or_404(id)
return render_template('view_course.html', course=course)