/
views.py
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/
views.py
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#views.py
#################
#### imports ####
#################
from flask import Flask, flash, redirect, render_template, session, url_for, request, make_response
from flask.ext.sqlalchemy import SQLAlchemy
from sqlalchemy.exc import IntegrityError
from forms import AddItemForm, LoginForm, RegisterForm
from functools import wraps
import pdb
################
#### config ####
################
app = Flask(__name__)
app.config.from_object('config')
db = SQLAlchemy(app)
from models import Item, User
################
#### routes ####
################
def flash_errors(form):
for field, errors in form.errors.items():
for error in errors:
flash(u"Error in the %s field - %s" % (
getattr(form, field).label.text, error), 'error')
@app.route('/') #, methods=['GET'] # redundant
def holding():
return redirect(url_for('login'))
@app.route('/register/', methods=['GET', 'POST'])
def register():
#pdb.set_trace()
error = None
form = RegisterForm(request.form)
if form.validate_on_submit():
new_user = User(username=form.name.data)
new_user.hash_password(form.password.data)
try:
db.session.add(new_user)
db.session.commit()
flash('Thanks for registering. Please login.')
return redirect(url_for('login'))
except IntegrityError:
error = 'Oh no! That username already exists. Please try again.'
return render_template('register.html', form=form, error=error)
else:
return render_template('register.html', form=form, error=error)
@app.route('/login/', methods=['GET', 'POST'])
def login():
#pdb.set_trace()
error = None
form = LoginForm(request.form)
if request.method == 'POST':
user = User.query.filter_by(username=form.name.data).first()
if user is None:
error = 'Invalid username or password.'
return render_template(
"login.html",
form=form,
error=error
)
elif user.verify_password(form.password.data):
session['logged_in'] = True
session['username'] = user.username
flash('You are logged in. Go Crazy.')
return redirect(url_for('items'))
if request.method == 'GET':
return render_template('login.html', form=form)
@app.route('/logout/')
def logout():
session.pop('logged_in', None)
session.pop('username', None)
flash('You are logged out. Bye. :(')
return redirect (url_for('login'))
def login_required(test):
@wraps(test)
def wrap(*args, **kwargs):
if 'logged_in' in session:
return test(*args, **kwargs)
else:
flash('You need to login first.')
return redirect(url_for('login'))
return wrap
####################
#### Item views ####
####################
# all my item views require a login.
# however my API views are wide open!!
@app.route('/delete/<int:item_id>/')
@login_required
def delete_item(item_id):
delete_id = item_id
db.session.query(Item).filter_by(item_id=delete_id).delete()
db.session.commit()
flash('The item was deleted.')
return redirect(url_for('items'))
@app.route('/modify/<int:item_id>/')
@login_required
def modify_item(item_id):
form = AddItemForm(request.form)
modify_id = item_id
result = db.session.query(Item).filter_by(item_id=item_id).first()
form.name.data = result.name
form.item_details.data = result.item_details
form.item_id.data = result.item_id
return render_template('items.html', form=form, modify_item = modify_item)
@app.route('/items/')
@login_required
def items():
error = None
form = AddItemForm(request.form)
all_items = db.session.query(Item).all()
if request.method == 'GET':
return render_template('items.html', form=form, all_items = all_items)
@app.route('/add/', methods=['GET', 'POST'])
@login_required
def add_item():
import datetime
error = None
form = AddItemForm(request.form)
if request.method == 'POST':
if form.validate_on_submit():
new_item = Item(
form.name.data,
form.item_details.data,
datetime.datetime.utcnow(),
)
db.session.add(new_item)
db.session.commit()
flash('New entry was successfully posted. Thanks.')
return redirect(url_for('items'))
else:
return render_template('items.html', form=form, error=error)
else:
return redirect(url_for('items'))
@app.route('/modify/', methods=['GET', 'POST'])
@login_required
def save_modify():
error = None
form = AddItemForm(request.form)
if request.method == 'POST':
print form.item_id.data
if form.validate_on_submit():
db.session.query(Item).filter_by(item_id=form.item_id.data).update({
"name":form.name.data,
"item_details":form.item_details.data
})
db.session.commit()
flash('Item was updated')
return redirect(url_for('items'))
else:
return render_template('items.html', form=form, error=error)
else:
return redirect(url_for('items'))
#####################
#### Error Views ####
#####################
@app.errorhandler(500)
def internal_error(error):
db.session.rollback()
return render_template('500.html'), 500
@app.errorhandler(404)
def internal_error(error):
return render_template('404.html'), 404
################
#### apis ####
################
import api